Book 300

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Training Guide

Nomenclature

Workbook 300

December 2006

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All rights reserved.No part of this book may be reproduced or utilized in any form, or by any means, electronic or mechanical,

including photocopying, recording, or by any information storage or retrieval system, without permission inwriting from SEW-Eurodrive, Inc.

Printed in USA

Copyright2006SEW-Eurodrive, Inc.

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Nomenclature

i

Contents

Introduction ....................................................................................................................... i

Chapter 1: Overview and Rules ................................................................................. 1Sequence and Fields ........................................................................................................ 4Rules ................................................................................................................................ 6

Chapter 2: Gear Reducers and Gear Motors ............................................................ 9Gearmotor Fields .............................................................................................................. 10

Options - Summary........................................................................................................... 11Gear Type ......................................................................................................................... 14

Shaft Style ........................................................................................................................ 15Mounting Flange ............................................................................................................... 16Gearbox Size .................................................................................................................... 16

Gearbox Options ............................................................................................................... 17Mechanical Variable Speed ............................................................................................... 19

Input Adapters ................................................................................................................... 22

Motor ................................................................................................................................ 26Motor Poles/RPM ............................................................................................................. 27Motor Options ................................................................................................................... 28Encoder ............................................................................................................................ 32

Movimot .......................................................................................................................... 34Option Packages .............................................................................................................. 38

Examples ......................................................................................................................... 42Practice Exercises ........................................................................................................... 47

Chapter 3: Mechanical Variable Speed without Gear Reducer ............................... 57Variable Speed Fields ....................................................................................................... 58

Options - Summary........................................................................................................... 59Flange/Shaft Combinations ............................................................................................... 60Variable Speed Type ......................................................................................................... 62

Variable Speed Options..................................................................................................... 63Motor ................................................................................................................................ 65

Motor Speed ..................................................................................................................... 65Motor Options ................................................................................................................... 66

Option Package ................................................................................................................ 68Examples ......................................................................................................................... 70Practice Exercises ........................................................................................................... 72

Chapter 4: Motor without Gear Reducer ................................................................... 75Motor Fields ...................................................................................................................... 76

Options Summary............................................................................................................. 77

Flange/Shaft Combinations ............................................................................................... 79Motor Type ........................................................................................................................ 81Motor Poles/RPM ............................................................................................................. 84

Motor Options ................................................................................................................... 84Encoder ............................................................................................................................ 85Movimot Inverter ................................................................................................................ 85

Option Packages .............................................................................................................. 86

Chapter 5: Answers .................................................................................................... 89Chapter 2 .......................................................................................................................... 90Chapter 3 .......................................................................................................................... 97

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Nomenclature

ii

Introduction

This training guide provides a step-by-step procedure for identifying the nomenclature forSEW products. An understanding of nomenclature is essential for several reasons:

To identify existing products in the field

To reduce miscommunications upon ordering

To help identify spare units in inventory

Goal

The goal of this manual is to familarize the reader with available options, and with the logicused to generate nomenclature. Wherever possible, graphics are included to illustrate

particular features or concepts.

Audience

This manual is essential for salesmen, distributors, purchasing agents, and anyone else

who specifies SEW products. Since it eliminates memorization, it is particularly useful for

the novice person who infrequently orders SEW products. It is also very useful for any

person who wants to know the particular features on the SEW products within his/her

plant.

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Nomenclature

2 Overview and Rules

Nameplates

SEW identifies products and most options by either

a letter, a number, or a letter/number combination.

The sum of all letters and numbers is called theproducts model number, or nomenclature. It

appears on the stainless steel nameplate attached

to the gear reducer and/or motor.

SEW products contain either one or two

nameplates. An integral gearmotor consisting of a

gear reducer and an SEW integral motor has two

nameplates - one on the gear reducer, and one on

the motor, as shown in Figure 1.

A gearbox without a motor (such as a C-Face gearreducer) has only one nameplate, as shown in

Figure 2.

Motor

NameplateReducer Nameplate

ReducerNameplate

Figure 1- Gearmotor

Figure 2- Reducer

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3Overview and Rules

Nomenclature

Figures 3 and 4 are pictures of both nameplates.The first line is the Type field, which displays thenomenclature described within this book.

The second line contains an SO#, or Sales Ordernumber. Even though the two nameplates havethe same SO#, the nomenclature on the reducer

nameplate differs from the nomenclature on themotor nameplate.

The Motornameplate does not contain

information about the gearbox. However, it doescontains all of the electrical data about the motor.Therefore, the motor nameplate is widely used

during installation.

The Reducer nameplate contains motornomenclature, but no motor data. However, it

contains all gearbox data. Thus, SEWrecommends using the reducer nameplate whenordering replacement parts, spares, etc.

Figure 3- Reducer Nameplate Figure 4- Motor Nameplate

Nomenclature

SO#

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Nomenclature


Sequence and Fields

This section explains the proper sequence in which to

place the letters or numbers within the nomenclature.

Nomenclature begins at the output shaft of the gearreducer and ends at the motor.

To understand the logic, products are divided into fieldswith names. Figure 5 below is the diagram of agearmotor from Chapter 2. Notice that it has 13 fields.

The names of the fields are listed below the picture.

5

4

3

2

1 Gear Type

Shaft Type

Mounting Flange

Gearbox Size

Gearbox Options

Mechanical Variable Speed

Input Adapters

6

11

10

9

8 Motor

Motor Speed

Motor Options

Encoder

MovimotInverter

Option Packages

12

13

7

Figure 5- Gearmotor Fields

ENDBEGIN

5

1

1110

12 13

9

8

3

2

4

6

7

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5Overview and Rules

Nomenclature

What is a field?

A field is a category that contains a list of options fromwhich to choose. Each option has either a letter,

multiple letters, or a combination of letters/numbersassigned to it.

For example, Field #1 represents the Gear Typecategory that has six options: Helical-Parallel (x2),theSnuggler, Helical-bevel, Helical-worm, and Hypoid.Each of these options has either one or two lettersassigned to it. The letter F denotes theSnuggler.

For theSnuggler, begin by aligning all 13 fields into arow. Next, place the letter, F, in Field #1, as shown

below.

To establish the entire nomenclature, fill in each fieldwith all required options, as shown in the following

example.

Note: Blank fields are acceptable. Refer to Rule 1 on

the next page.

When finished, add the letters and numbers together,eliminating all blanks, to obtain the following:

1 2 3 4 5 6 7 9 10 11 12 138

F

F A Z 47 D26HSB DT100LS 4 -KS

1 2 3 4 5 8 9 10 11 12 13

FAZ47D26HSBDT100LS4-KS

6 7

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Nomenclature


Rules

The following rules ensure that all options appear in the proper sequence.

Rule 1: Skip a field and leave it blank if none of its options are needed.

Mechanical Variable Speed(Select all that apply)

Rule 3: Place the letters in the order as they appear on the page.

In the fields that allow multiple options, place the letters in the order as they

appear on the page. The correct order is down and across the page, as

illustrated in Figure 6 below. When there are too many options to show on onepage, the field number contains a letter after it to indicate multiple pages. Forexample, the Mechanical Variable Speed field contains four pages, labeled 6a, 6b,

6c and 6d.

6a 6b

Rule 2: Choose only one option from each field, unless otherwise noted.

In most fields, it is physically impossible to combine more than one option within

the same field, such as a hollowshaft and a solid shaft. However, there are a fewfields where multiple options are possible, such as the Mechanical VariableSpeed (Field #6).

Multiple options are available when the field contains the words, Select all thatapply beneath it, as shown below.

Figure 6- Correct Order for Options

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7Overview and Rules

Nomenclature

Depending upon the type of gear reducerin Field #1, some options may not be

available. For example, with a type Rgearmotor shown in Figure 7, it is notpossible to receive a hollowshaft.

Therefore, in order for you to know whichgearbox accepts which option, the lowerright corner of the option block contains

letters, as shown in Figure 8.

As another example, notice that the TorqueArm option in Figure 9 contains the letters

S and K in the lower right corner. There-fore, this option is available for a type Sreducer (Helical-worm) and a type Kreducer (Helical-bevel).

However, neither an F nor an R appearin the lower right of the torque arm option.Thus, it is not available for a type F

(theSnuggler) or a type R (Helical-Parallel).

Rule 4: Select only the options that are available for your reducer.

A Hollowshaft + Key These letters correspond to the typesof reducers that accept the option.

This hollowshaft option, for example,does not have a letter R in the lowerright corner. Therefore, a hollowshaftis not available with a type R gearreducer.

F K S W

Torque Arm

KA77T..

SA67T..

K S

T

NOTE: If the lower right corner is blank (no letters), then the

option is available on all gear reducer types.

Figure 7- Type R

Figure 8- Hollowshaft

Figure 9- Torque Arm

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Nomenclature


Rule 5: Identify in which Chapter of this book to begin.

Each chapter contains different products, along with different fields and options.

It is important to know in which chapter of the book to begin. The title of each chapterappropriately identifies the products contained within it. However, the following stepsalso provide guidance, when performed in the proper order.

New Units:YES NO

Step 1: Is a gear reducer needed? See Chapter 2 Go to Step 2

Step 2: Is mechanical variable speed See Chapter 3 Go to Step 3 needed?

Step 3: Is an SEW motor needed? See Chapter 4

Existing Units:

The nameplate of an existing unitdisplays the nomenclature in theType field. Use the chart at right todetermine the proper chapter that

gives an explanation of the letters andnumbers in the nomenclature.

When the model begins with D, useall of the beginning letters whenmaking a selection from the chart. Forexample, if the model number reads

DFV132S4, use DFVin the chart, notD or DF. The correct answer isChapter 4, not Chapter 3.

An another example, suppose thenameplate of an SEW product says,

DF26BEFDT90L4. Since the unitbegins with DF, begin in Chapter 3.

FirstLetter(s)

Begin Here

CFT or CT Chapter 4

D or DF Chapter 3

DFT or DFV Chapter 4

DFS or DFY Chapter 4

DT Chapter 4

DV Chapter 4

F Chapter 2

K Chapter 2

R Chapter 2

S Chapter 2

SDT or SDV Chapter 4

VU or VUF Chapter 3

VZ or VZF Chapter 3

W Chapter 2

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9Gear Reducers and Gearmotors

Nomenclature

Chapter 2

Gear Reducers and Gearmotors

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Nomenclature

10 Gear Reducers and Gearmotors

Gearmotor Fields

This chapter explains nomenclature for all units containing a gear reducer. Refer to chapter 3 formechanical variable speed units without a reducer or to chapter 4 for motors without a reducer.

Figure 10 graphically illustrates the 13 fields of a gearmotor. Below the graphic is the name of eachfield. Refer to the next page for a summary of the options within each field. For a detaileddescription and a picture of each option, refer to page 14.

5

4

3

2

1 Gear Type

Shaft Type

Mounting Flange

Gearbox Size

Gearbox Options


Input Adapters

6

11

10

9

8 Motor

Motor Speed

Motor Options

Encoder

MovimotInverter

Option Packages

12

13

7

ENDBEGIN

Figure 10- Gearmotor Fields

5

1

1110

12 13

9

8

3

2

4

6

7

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Nomenclature

54321

R - Helical

RX- Helical

F - Snuggler

K- Bevel

S- Worm

W- Hypoid

- Solid

A - Hollow +

Keyway

H - Shrink

Disc

T - TorqLOC

V- Hollow +Spline

F - B5 Flange

FF- B5 FlangeBoth Sides

Z - B14

Flange

M- Agitator

Extension

__ 7

__ 0

R - Reduced

Backlash

B - Rail holes

B - Feet

T - Torque Arm

G - RubberBushings

F - Feet & Flange

R __ - Additional

Gear Reducer

Type Shaft Flange Size Gear Options

6


Options - Summary

H - Handwheel@ 90o from

motor axis

S - Position Dial

HS - 90o H/W +Position Dial

BMG - Brake on

Pulley Shaft

B - Nitrated

Pulleys(Varigear)

B - Chrome Disc

(Varimot)

N - No Handwheel

EF - RemoteSpeed Control

DA - Digital Meter

IG - Pickupw/o meter

U - No Vents onVarigear

AM- C-face Inputon Varigear

GH- Gear Half of

Varimot

D__ - VarimotDisc Drive

VU__ - VarigearBelt Drive

U-Flow

VZ__ - Varigear

Belt DriveZ-Flow

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Nomenclature


7

CT__ - AsynchronousCV__ Servo

DT__ - Standard ACDV__ Induction

SDT__ - 2-SpeedSDV__ (40/100% Duty)

DS__DY__ - SynchronousCM__ Servo

Input Adapters

10

Motor Options

BMG__ - Motor Brake

(71 - 132S)

BM__ - Motor Brake(132M +)

B- Servo Brake

HF- Screw TypeBrake Release

HR- Lever Type

Brake Release

Motor Options continuedon next page

2 - 3600

4 - 1800

6 - 1200

8 - 900

4/2 - 1800/3600

8/4 - 900/1800

6/2 - 1200/3600

8/2 - 900/3600

12/2 - 600/3600

8

Motor Motor Poles / RPM (60 Hz)

9

AM__ - NEMA or IEC

Motor Adapter

AM__RS - NEMA or IECMotor Adapter

& Backstop

AR__ - TorqueLimit Coupling

AR__W- Torque Limit

Coupling& SpeedMonitor

AR__WS- Torque Limit

Coupling& SlipMonitor

__ Designates size (Ex: AD1, VU5)

AQA__

AQH__

AT__ - CentrifugalCoupling

AT__RS- CentrifugalCoupling &Backstop

AT__BM- CentrifugalCoupling &

Brake

- Servo InputA - No Input

AD__ - Input Shaft

AD__P - InputShaft &

MotorPlatform

AD__RS- Input

Shaft &

Backstop

AD__ZR- InputShaft & Shoulder

AD__ZS- Input

Shaft & Scoop

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Nomenclature

11

ES1_ - Incremental (71 - 100)

ES2_ - Incremental (112 - 132S)

EV1_ - Incremental With Coupling (132M - up)

AV1_ - Absolute + Incremental

XH_ _ - Non Standard

NV_ _ - Proximity

Sensor

Encoder

12 13

- IO1- Industry Option Package for Food

- IO2- Screw Conveyor

Drive Package

- KS - Severe Duty

Washdown

Movimot Option Packages

MM03B - .5 HPMM03C

MM05B - .75 HP

MM05C

MM07B - 1.0 HPMM07C

MM11B - 1.5 HP

MM11C

MM15B - 2.0 HPMM15C

MM22B - 3.0 HPMM22C

MM30C - 5.0 HP

Motor Options (cont.)

10

C - Canopy

U - TENV

Z - Cast Iron Fan

(High Inertia)

V - Vent Fan 3 Ph

VS - Vent Fan 1 Ph

VR - Vent Fan 24V

VY - Vent Fan Servo

TF - Thermistors

TH - Thermostats

RA1A - Modular

RB1A Conduit Boxes

RE1A

RA2A

RB2A

RE2A

BGM - Brake

BSMRectifiers

URM

ASA3 - Plug Connectors

AVR1

AVT1

ACA_ - Harting-Type Han 10E

ACB_ Connector (2 short)

ASA_ - Harting-type Han 10ES

ASB_ Connector

ABC8 - Harting-type Han ModularAXC8 Connector

AFL_AFM_ - Brad Power Connector

AFQ_AFP_

IS - SEW Plug Connector

RS - Backstop

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Nomenclature


Helical -Parallel

Helical -Bevel

theSnuggler

(Helical)

Helical -

Worm

Spiroplan

(Hypoid)

Gear Type

1

RX =

1 gearstage

RRX

F

K

S

W

Options - Details

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Nomenclature

A Hollow Shaft+ Key

V Hollow Spline

H Shrink Disc

F K S W

F K S

F K

No keyway. Corrosion is minimizeddue to high clamping force on one

side and a bronze bushing on other.

Solid ShaftBlank

Conforms to

DIN 5480

standards.

2

T

Shaft Style

No Keyway.

Stainless Steelor Nickel Plated

TorqLOCTM

Taper

Bushing

F K S

(Leave Field blank)

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Nomenclature


Mounting Flange

M Agitator Extension

F B5 Flange+ Through

Holes

+ Pilot

State flange size upon ordering. When using an R-boxwith flange andfeet, leave this field blank and use theF option in field #5 on next page.

R

F K S

ZB14 Flange + Threaded

Holes

B5 Flange

on Two

Sides

K S

+

Pilot

forCentering

Extended bearing handles large overhungloads for use in mixers and agitators.

3

FF

R F S K

Gearbox Size

1998

and prior(2 & 3

stages)

+ current

Spiroplan

1989

to

1998/99

(2 stages)

1989

to1998/99

(3 stages)

1989to

1997

1997

to

present(2 & 3

stages)

_7

_ _7

_6_ _6

_0

_ _0

_2

_ _2

_3

_ _3

K

R

R S

4

Ex: R67..

Ex: K107..

Ex: W20..

Ex: K76..

Ex: R93..

Ex: S42..

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Nomenclature

F Feet and Flange

B Housing withtapped rail and

face holes

B Housing withfeet

K

Optional on FA,

FH, FV, and FT.Standard on allothers.

Only on KH,KA, or KV

styles.Standard on

sizes 127and 157.

F

R __ Additional helicalgear reducer

Ex: KA77R37..

Ex: FA87B..

Ex: KA67B..

Gearbox Options

R

(Select all that apply)

5

Available on sizes R27F - R87F only.

Ex: R67F..

Used for

obtaining largeratios

F

G (2) Rubber Bushingsfor theSnuggler

Torque Arm

Ex: FA77G..

R F S K

(Size)Torque Arm

KA77T..

K SSA67T..

Type

K

Type

S

T

R Gears with ReducedBacklash

W

R F K

Uses standardratios

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Nomenclature



6a


D __Varimot

Friction

Disc-Drive

VU __

Ex: R67D26..

Varigear

Belt

Drive

U-Flow

VZ __Varigear

Belt

Drive

Z-Flow

Speed Ranges:3:1, 4:16:1, 8:1

Ex: RF57VZ11..

Speed

Ranges:3:1, 4:1

6:1, 8:1

Ex: SAF77VU31..

Unit

Size

UnitSize

UnitSize

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Nomenclature

S

Handwheel

@ 90o

from

Motor Axis

V

H

Ex: S67VZ21H..

Standard

Handwheel

w/Position

Indicator

Handwheel

@ 90o from

Motor Axis +

Position

Indicator

Ex: R67VU21S..

Ex: K67D26HS..

Handwheel is parallel to motor shaft. Dial indicator isgravity sensitive and must mount vertically, as shown.

V


6b

HS

Dial indicator is

gravity sensitiveand must

mount invertical plane,as shown.

B

Brake on

Lower

Pulley

Shaft

V

NitridedPulleys for

Wet or

Washdown

Areas

B ChromeDriving Disc

for Wet orWashdown

Areas

D

V

SEW highly recommends the Severe Duty

Package (Field #13), which includes thisoption.

Helps to prevent pulley corrosion. SEWrecommends the Severe Duty Package

(Field #13), which includes this option.

Fail-safe brake operates even if belt breaks.Not available on Varigearsizes 51 or 61

BMG___Note: The lower right corner shows thecompatibility of the option, where:V= Varigear, D= Varimot

Size


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Nomenclature



N No Handwheel(Bare Spindle)

For mounting customers

hardware or to prevent tamperingof unit while in operation.

6c

DA MagneticPickup w/

Digital

Meter

Notches on thedriven disk of a

Varimot(or a slit atthe end of the pulley

shaft of a Varigear)

provide air gaps thatdisrupt the magnetic

flux field of thepickup sensor to

produce electricalpulses.

Voltages: 220/1 Ph120/1 Ph

Specify voltage when ordering.

Meter face is NEMA

4 rated when usedwith mounting

gasket. Maximumwire length = 200 meters.

Ex: K87D36HEF...

EF Electro-MechanicalRemote Speed

Control

Voltages:

110/1 Ph220/3 Ph

460/3 Ph

Specify voltage when ordering.


Ex: FF87D36EF...

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Nomenclature


6d

Varigear

+

C-FaceAdapter

U

IG MagneticPickup w/o

Display

Meter

No

Air

Vents

Note: To avoid excessive heat, alarger Varigearbeltcase may be

required. Consult SEW.

V

AM ____NEMAframe

6 Pulses/Rev = D16-D46,VU62 Pulses/Rev = VU1-VU51

Max. length = 200 meters

GH SplitTraction

Case -

Gear Half

Only

Complete assembly of the front half ofVarimotcontaining the driven disc.

Normally used for replacements.

Leave fields #8 thru #13 blank whenusing this option.

D

V

Ex: ..VU41AM254...

Used for mounting any manufacturersC-Face motor. Corrosion resistant for

easy removal. Spider coupling providesflexibility and easy removal.

Specify NEMA frame when ordering.

Ex: R57D16GH


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Nomenclature


AD __

A NoInput

Input

Shaft

Assembly

Input

ShaftAssembly

+

Motor

Mounting

Platform

(size)

Input

Shaft

Assembly+

Machined

Centering

Shoulder

Not available on size AD1

InputShaft

Assembly+

Integrated

Backstop

Input Shaft

Assembly+

Machined

Shoulder+

MotorMounting

Scoop

Ex: R87AD3ZR

Ex: R87AD3

Ex: K47AD2RS

Ex: K67AD3P SEW can supply coupling and guard,

if needed. Photo may not reflectcurrent scoop design.

Ex: R87AD3ZS

Ex: R67A

Not available on size AD1. Backstop is located betweenthe two bearings of input cover and allows rotation in onedirection only.

Available insizes AD2-AD7

Adjustable via two threaded rods.

Note:Refer to SEW catalogs for input

sizes.

Input Adapters

7a

AD__P(size)

AD__ZR(size)

AD__ZS

Unit ships with loose

pinion gear and no oil.

(size)

MACHINEDSURFACE

CUSTOMER'SSURFACE

MACHINEDSHOULDER

AD__RS(size)

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Nomenclature

Input Adapters

Adapter & Torque

Limiting CouplingAR ___IEC

frame

AR __WIEC

frame

Ex: R47AR71W

NEMA orIEC

Motor

Adapter

AM ___MotorFrame

AR __WSIECframe

Ex: R67AR132WS

Adapter &

Torque

Limiting

Coupling

MagneticPickup

&

Monitor

+

Ex: ..S77AR90

7b

Tightening nut

NEMA

or IEC

Motor

Adapter

+Backstop

MotorFrame

Ex: FA67AM145

AR_WSuses Slip Monitor.AR_W uses Speed monitor.

Speed monitor avoidsuncontrolled slippage of the

coupling. A relay switch eitheropens or closes to removepower from the motor when the

reducer input speed drops belowa setpoint speed.

Used to mount any manufacturersC-face or IEC motor. Spider provides

flexibility and corrosion resistance.

AM __RS

Backstop is located between the twobearings of the input housing andallows only one direction of rotation.

Ex: FA57AM143RS

Adapter also mounts between twocompound gear reducers.

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Nomenclature


Input Adapters

7c

Adapter &

Hydraulic

Centrifugal

Coupling+

Brake

AT____BM(G)

Oil is located insidethe coupling.

Adapter &

Hydraulic

Centrifugal

Coupling+

Backstop

AT____RS

Oil is located inside the coupling. Backstop is

located between the two bearings of the inputhousing and allows rotation in one direction only.

AT____ Adapter &Hydraulic

Centrifugal

Coupling

Oil is located inside the coupling.

Ex: K77AT421

Ex: K77AT422RS

Ex: K77AT311BM

IECframe

IECframe

IECframe

Ex: R77AQA115/1

AQA ___Servoframe

AQH ___Servo

frame

ServoMotor

Adapter

AQA contains a keyway on the motor couplingand is used with a keyed motor shaft.

AQH contains a clamping ring hub on the motor

coupling and is used with a smooth motor shaft.

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Nomenclature

Input Adapters

7d

LKS

LM

LP

LQ

LT

Mechanical Centrifugal

Coupling

ConsiderAT

C-Face Adapter

SeeAM

LR

Servo Motor Adapter

SeeAQ

Torque Limiting Coupling

SeeAR

Hydraulic Centrifugal

Coupling

SeeAT

Adapter + Clutch/Brake

ConsiderAT/BMG

NOTE:

The Input Options in this column areno longer available; they are listed to

help identify existing units.

An alternate option is given.

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Nomenclature


8

Motor

SDT ____2-SpeedAC Motor

40/100% Duty

Special rotor core material reduces the switching

current when changing from high to low speed.

Frame Size90S - 100L

SDV ____Frame Size

112M - 132S

Ex: FF97SDV112M6/2

AC

3-PhaseInduction

Motor

CT _____

CV ____

Frame Size

71D - 100L

Frame Size112M - 180L

ACInduction

Asynchronous

Servo

Not normally offered by SEW in USA. Used with

Movidriveinverter. Contains 24VDC

forced ventilator,TF thermistors, and sinusoidal incremental

encoder. Motors mating to SEW gear reducerscontain an oversized pinion shaft.

AC

Permanent

MagnetSynchronous

Servo

Servo is commonly used in applications with low

load inertia that require very frequent starting andstopping (cyclic) or high dynamics (steep

acceleration or deceleration).

Features permanent magnets on rotor, a lower

rotor inertia (compared to CT/CV or DT/DVmotors), and an integrated resolver.

Built-in resolver provides speed feedback. An

optional absolute encoder is available for applica-tions that require the position to be known at alltimes, even during a power loss.

CM contains TF thermistors as standard. CM

also has an optional sin/cos Hiperface encoder

available. Hiperface electronically storesnameplate data (i.e. model, torque, ratedcurrent, and speed)

CM replaces DY for new applications. DYavailable as replacement only.

DT ____

DV ____

Frame Size

71S - 100L

Frame Size

100M - 280S

DY ____Frame Size71S - 112L

Standard motor provided by SEW in USA.

NEMA rated with IEC dimensions.

Stocked Voltages:

230/460/60Hz230/400/50Hz

200/346/60Hz208/360/60Hz575/60Hz.

Ex: RF47CM112MEx: K37DS56

DS ____Frame Size

56M - 56L

Ex: R67CT80N4... Ex: K107CV132M4...

Optional

AbsoluteEncoder

Built-in resolver

CM ____Frame Size

71S - 112L

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Nomenclature

8/2

6/2

8/4

Motor Poles / RPM

900/1800 RPM

2-Speed

Tapped WoundCont. Duty

1200/3600 RPM

2-Speed

Separately Wound

40/60% Duty (S3)

900/3600 RPM

2-Speed

Separately Wound40/60% Duty (S3)

12/2 600/3600 RPM2-Speed

Separately Wound

40/60% Duty (S3)

RequiresConsequent Pole

Starter

9

Note:

Leave this field blank when usinga servo motor, type DS or DY

4/2


Starter

1800/3600 RPM

2-Speed

Tapped WoundCont. Duty

6

4

23600 RPM

Synchronous Speed

@ 60 Hz

Ex: KF97DV132M4BMHR

Ex: KF97DV132M8/4BMHR

1800 RPM

Synchronous Speed@ 60 Hz

1200 RPM

Synchronous Speed

@ 60 Hz

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Nomenclature


Motor Options

IntegralDC Brake

w/Damping

Plate &

Patented

Discs

Brake mounts onto rotor shaft. Damping plate further

reduces noise. The rectifier inside the conduit boxconverts AC power from the motor terminals to DCbrake power. Brake voltage must be specified for

inverter applications.Refer to SEW catalog

for correct brake size.

BMG ___Sizes

05, 1, 2, 4,8, 61,122

Ex: R47DT90L4BMG2

Standard brake formotor sizes

71 - 132S&

250M - 280S

Integral DC

Brake

Ex: FA87BDV132M4BM15..

Standard

brake formotor sizes

132M - 225M

Sizes15, 30, 31,

32, 62BM ___

Functions the same as BMG option (above). TheBM32 and BM62 have two discs. Refer to SEW

catalog for correctbrake size.

10a

HR Manual BrakeRelease

(Lever Type)

Brake operateselectrically, but

releases by pullingon the supplied lever.

This option isstandard all SEW

brakes, unless theHF option is

requested.

HF Manual BrakeRelease

(Screw Type)

Hex head holds the

brake in thereleased position.

Caution:Consider

safety when usingthis option.

Not available with

servo motor.

Ex: ..DT80N4BMG1HR

Ex: ..DT100L4BMG4HF

B Disc-Brakefor

Servo Motor

Brake not necessary

to stop load, only tohold load. No air gap adjustment

necessary. Pre-loaded brake prevents brake

backlash in both directions. Optional handrelease available (HR option below).

Ex: KF47DY71MLBHR

DampingPlate


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Nomenclature

ACA_

ACB_

MotorSize

10b

Features Style

ASA_

ASB_

ABC8

AXC8

DT71

to

DV132S

Motor Options(Select all that apply)

Connector

Uses Harting-type Han10E.

16 Amp max. Up to 10 pins

supplied on male connector. Theactual number of pins depends

upon users requirements. Hasthe following pin designation:

3 pins = Motor Voltage

2 pins = Brake Voltage

2 pins = Brake Control 2 short pins = TF/TH Sensors When operator opens a live connector,the short pins disconnect first and openthe motor circuit to help prevent arcing

across the motor voltage pins.

Uses Harting-type Han10ES.

16 Amp max. All 10 pins aresupplied on male connector, but do

not have to be used. Has thefollowing pin designation:

3 pins = Motor Voltage

2 pins = Brake Voltage 2 pins = Brake Control

2 pins = TF/TH Sensors

2 Short Pins

(safety)

ACA_ = Cast iron conduit box

ACB_ = EMC Aluminum conduit box

ASA_ = NEMA Cast iron conduit boxASB_ = EMC Aluminum conduit box

DT71

to

DV160L

DV180

DT71

to

DV132S

Male plug based upon Harting-typeHan-modularwith the following:

25 Amp max.

1 x C module (3 pins)

1 x E module (up to 6 pins)

Crimp contacts Cast iron conduit box CModule

E Modulewith 4 pins

All 10 Pins - Equal length

Male plug based upon Harting-type

Han-modularwith the following:

40 Amp max.

2 x Axial Screw modules

1 x E module (up to 6 pins)

Cast iron conduit box

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Nomenclature


Motor Options

10c

U Motor WithoutFan

(TENV)Nomenclature (U) is

not necessary onservo motors (TypeDY), since option is

already included.Ex: S57DT71D4U

IS Integrated PlugConnector

Commonly used in the automobile industry forquick disconnect during motor replacement.


RS IntegralBackstop

Highly recommendedin wet or outdoor

environments when

motor fan mountsupward. Helps preventice or snow from

clogging the air holes orseizing the motor fan.

C MotorCanopy

Backstop is placed between fan and motorbearing. Has the same dimensions as

brake fan guard.

Ex: FA77DV132S4RS

Ex: ..DT100LS4C

AFL_

AFM_

AFQ_

AFP_

Brad Power

Connector

epyT lairetaMllehS spmAxaM

_LFA cillateM 51

_MFA leetSsselniatS613 51

_QFA cillateM 52

_PFA leetSsselniatS613 52

4-pin male receptacle

1/2 threads - for user

14NPT - screws into conduit box

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Nomenclature

10d

TF

TH

Thermistors

(Variable Resistors)

Thermostats(Bi-metallic Switches)

Each of the three phases of the stator windingcontains a variable resistor (varistor). Its

resistance changes with heat and is mea-sured by a trip control, such as an SEW

Movidriveor ABBs CM-MSS (also availablefrom SEW).

A Movidrive measures the resistance of thevaristor. When it reaches 2.9 kilohms, the

Movidrive faults to protect the motor.

With a trip control device, a normally closedcontact on the device is placed in series withthe users motor holding circuit. When

excessive heat causes the resistance in anyvaristor to reach a set value, three things

occur in sequence: 1. The contact opens.2. The holding circuit disengages. 3. The

motor stops.

Each of the three phases of the stator

winding contains a thermostat, consisting ofa normally closed bi-metallic strip. All three

thermostats are placed in series with theholding circuit of the users motor starter.Excessive heat causes the bi-metallic strip

to expand, opening the circuit to stop themotor.

Class F or Class H available.

Ex: R87DT100LS4VTF

Ex: FAF57DT80N4TH

Motor Options(Select all that apply)

Widely used on inverter applications to provideconstant cooling throughout entire speed range.

Must be wired independently of motor. Available

on non-brakemotor or brakemotor (as shown).

Servo motor has 60% more torque available with a

ventilator.

V (3 Phase)VS (1 Phase)VR (24 V

DC)

VY (1 Ph, Servo)

Continuously

RunningVentilator

Fan

Z High InertiaCast Iron Fan

Replaces the standard plastic fan. Acts as a soft

start device by supplying additional inertia at themotor shaft. For ultimate mechanical soft starting,

combine this option with a 2-pole motor (3600 rpm).

Ex: RF47DT80N2Z

V:

Sizes 132M-225: 230/460 3Ph

VS:Sizes 71-132S:

115/230 1Ph

VY:Servo Motor

115/230 1Ph

Ex: R97R57DT90S4BMG2V

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Nomenclature


Encoder

ES1T

EncoderType

As the mounting screw turns, theprongs of the encoder shaft spread,

providing a pressure fit. A terminalstrip eliminates splicing and provideseasy connection for wires.

ES1... has 8mm shaft dia

ES2... has 10mm shaft dia

11a

SupplyVoltage

OutputSignal Style

ES1R

ES1A

ES1S

Incremental

Motor

Sizes

71 - 100L

ES2T

ES2R

ES2A

ES2S

Special coupling, shaft,and enclosure preventdamage to encoder due to vibrational

shock from brake.A terminal strip provides easy

connection without splicing.

User supplies encoder

EV1T

EV1S

EV1R

EV1A

Incremental

Motor

Sizes

112 - 132S



Incremental

MotorSizes

132M - Up

24VDC

TTL / RS-422

1024 ppr

Sin / Cos

1024 ppr

TTL / RS-422

1024 ppr

Sin / Cos

1024 ppr

5VDC

+/- 5%

+/- 20%

24VDC

5VDC

+/- 5%

+/- 20%

5VDC

+/- 5%

24VDC

+/- 20%

TTL / RS-422

1024 ppr

Sin / Cos

1024 ppr

Terminal

Strip

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Nomenclature

AV1Y

EncoderType

11b

SupplyVoltage

OutputSignal Style

Absolute+

Incremental 15 -24VDC

SSI

+

Sin / Cos

AV1H

XH1A

NV11

NV12

NV16

NV21

NV22

NV26

Hiperface

combinationencoder offers thebenefit of absolute

positioning as wellas the storing of

electronicnameplate data.

Combination

encoder.Position data

is retainedeven during apower loss.

Non-StandardMotor Sizes

132M - Up

Either a non-

standard encoderfrom SEW, or a

customer-suppliedencoder. Has

hollowshaft formounting.

ProximitySensor

24VDC

Varies

1 ppr

A-track

2 ppr

A-track

6 pprA-track

1 ppr

A+B track

2 ppr

A+B track

6 ppr

A+B track

Use with SEW cast iron motor fan.Two track sensor (A+B) determinesdirection and speed. Single track

sensor (A-track) determines speedonly.

XH2ANon-Standard

Motor Sizes

71 - 132S

Encoder

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Nomenclature


Movimot

Movimotis a compact variable frequency inverter that mounts directly onto the conduit box. Unless

requested otherwise, its standard location is @ 270oas shown below. New units ending in B require

230V (3 Phase) input. New units ending in C require 380V - 500V (3 Phase) input.

.5 HP

Ex: R67DT90L4MM15C

Ex: FAZ67DT80K4MM05B

12a

Allows user to changespeed directly at motor.

Replaces a Varimotand provides the same output speed range without

having to replace the gear reducer - simply detach Varimotfrom gear reducer and attach Movimot.

MM03BMM03C

.75 HP

MM05B

MM05C

1.0 HP

1.5 HP

2.0 HP

3.0 HP

5.0 HP

MM30C

MM07B

MM07C

MM11B

MM11C

MM15B

MM15C

MM22BMM22C


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Nomenclature

Movimot

RA1A

12b

Modular Conduit Box

For Sizes:

MM03thru

MM15

Openings:

(2) M25 x 1.5

(2) M16 x 1.5

RB1A

RE1A

RA2A

RE2A

RB2A

Openings:

(3) M25 x 1.5

(3) M16 x 1.5

Openings:

(1) ASA connector

(1) M25 x 1.5

(2) M16 x 1.5

For Sizes:

MM22thru

MM30

Openings:

(2) M25 x 1.5

(2) M16 x 1.5

Openings:

(3) M25 x 1.5

(3) M16 x 1.5

Openings:

(1) ASA Connector

(1) M25 x 1.5

(3) M16 x 1.5

Use with 400-460V Movimot

only. Conduit box is deeper

than standard to allow room

for BGM, BSM, or URM brake

rectifier.

Ex: R67DT90L4MM15CRA1ABGM

Ex: F87DV100L4MM30CRB2ABSM


Movimot Size

Use with 400-460V Movimot

only. Conduit box is deeperthan standard to allow room

for BGM, BSM, or URM brake

rectifier.

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Nomenclature


Movimot

BGM

12c

BSM

URM


Allows the use of an external

braking resistor. 24V powers a relay that switches

the brake voltage on and off. Functions like BMK rectifier. Mounts inside a modular conduit

box that is shown on previous page.

Available only on 400-460V Movimot.

Allows the use of an external braking resistor.

User supplies separate 24V forbrake power.

Functions like BSG brake control unit.

Mounts inside a modular conduit

box that is shown on previous page.

Available only on 400-460V Movimot.

Provides fast reaction (motor

stops quicker). Brake coil serves as braking

resistor. Additional braking resistor not permitted.

Functions like BUR brake control unit.

Mounts inside a modular conduit

box that is shown on previous

page. Available only on 400-460V Movimot.

Brake Rectifiers

Shows the rectifier mounted insidethe Movimot modular conduit box.

Ex: R67DT90L4MM15CRA1ABGM

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Nomenclature

Movimot

12d

AVR1

AVT1

Ex: R57DV100M4MM22CRB2ABGMAVR1


8 pins

Transmits 24VDC

Provides connection for binary inputs and

outputs. May be used with ASA3 connector (above)

Connectors

ASA3 Harting-type Han10ES male plug connector Varnish-coating housing with two locking

clips for sturdy connection. Spring Cage contacts (not crimped)

16 amps max. May be combined with AVR1 or AVT1

connectors below. May be used with or without modular conduit box.

Ex: R57DT90S4MM11CRE1ABGMASA3

4 pins

Transmits RS-485 communication and 24VDC May be used with ASA3 connector (above)

Ex: FT67DT80N4MM07CAVT1

Locking

Clips

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Nomenclature


Option Packages

13a

-IO1

Encapsulated stator

Encapsulated conduit box

Special 4-layer resin epoxy paint process

containing AgION antimicrobials (collodialsilver) that effectively control bacteria, yeast,

and mold. It also provides more than 50timesthe durability compared to standard

SEW paint.

Antimicrobial paint approved by EBWA,USDA, FDA, CTFA, NSF, EPA, and EuropeanFood Safety Agency.

Stainless steel oil level and breather plugs

Stainless steel output shaft

Superior food grade oil (H1)

Food grade grease in bearings

3-lip, chemical resistant PTFE (same

material as Teflon) seal on output

shaft that withstands up to 250 PSI

pressure washdown spray

Chemical resistant PTFE motor sealwith O-ring to prevent water infiltration

10-foot motor connection cable

Rust inhibiting spray on internalcast iron parts

2-year warranty

Industry Option Package

For Food

PTFE Motor Sealwith O-ring

Motor Shaft

End Bell

EncapsulatedStator

EncapsulatedConduit Box

Teflon is a trademark of DuPont Corporation

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Nomenclature

Option Packages

13b

-IO2

F K

CEMA Screw Conveyor DrivePackage

Adapter plate, solid shaft, and waste pack mount onto an FAZ orKAZ gear reducer to convert it into a standard CEMA drive for use

with screw conveyors

Output shaft:- 1045 cold-rolled steel

- Contains 2 holes

- Available in industry standard diameters

Waste pack provides an extra seal that acts as a barrier to protectgearbox seals.

Waste pack seal should be replaced when product begins to leak

into packing material.

Waste Pack

Bolts originate frominside of conveyor

trough

PackingMaterial

Adapter Plate

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Nomenclature


Option Packages

13c

Reducer + Motor

Reducer Only

-KS

6mm drain holes in motor end shields and in the

conduit box (or lid) at lowest point.

Stator windings, cast iron end shields, and cast ironconduit box internally sprayed with anti-corrosion

paint.

Stainless Steel pressure breather plug

2 mil special primer paint and 2 mil finish

A-Endshield

Stator

B-Endshield

Drain Holes

-KS

6mm drain holes at the lowest point on

input adapter (except AD_)

Stainless Steel pressure breather plug

2 mil special primer paint and 2 mil finish paint

Stainless steel nameplate

Severe Duty

Severe Duty

Drain

Hole

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Nomenclature

DrainHoles

Stainless steel pressure breather plug 2 mil special primer + 2 mil finish paint

6mm drain holes placed in the motor endshields, conduit box/lid, drivingdisc housing, and driven disc housing at the lowest points.

Stator windings, cast iron end shields, and all internal parts of Varimotsprayed with rust inhibiting paint.

Stainless steel guide bars to prevent corrosion and seizing. Chrome-plated driving disc. Note: B is also added to

nomenclature (see field #6b).

-KS

Option Packages

Reducer + Varimot

-KS

Reducer + Varigear

13d

Drain holes

Stainless SteelGuides

Stainless steel pressure breather plug 2 mil special primer + 2 mil finish paint

6mm drain holes placed in the motor endshields, conduitbox or lid, and Varigearhousing at the lowest points

Stator windings, cast iron end shields and all internal parts ofVarigearsprayed with rust inhibiting paint

Nitrided pulleys to minimize corrosion. Note: B is also added to

nomenclature (see field #6b).

Nitrided

Pulleys

Chrome Disc

Severe Duty

Severe

Duty

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Nomenclature


Example #1

Establish the nomenclature for the unit pictured and described below.

5 Hp, 87 rpm (1.0 Service Factor or greater)

Helical-bevel gearmotor

Hollowshaft + feet

Severe Duty Washdown

Solution:

To establish the proper nomenclature,proceed through each field, leaving a blank

in the fields which are not needed.

K for helical bevel

A for hollow shaft

(blank) for no flange

57 from selections in SEW gearmotor catalog

B for housing with feet

(blank) for no Mechanical Variable Speed

(blank) for no input adapter

DT100L for 5 Hp, 1800 rpm integral motor

4 for 1800 rpm motor speed

(blank) for no Motor Options

(blank) for no Encoder

(blank) for no Movimot

-KS for Severe Duty Washdown

Result:

Since blank fields are not spaces, the following nomenclature appears on the gear reducernameplate in the Type field:

KA57BDT100L4-KS

1 2 3 4 5 6 7

K A 57 B DT100L 4 -KS

8 9 10 11 12 13

1

2

3

4

5

6

7

8

9

10

11

12

13

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Nomenclature

Example #2


2 Hp input (1800 rpm)

145 rpm output (smallest gearbox > 1.0 S.F.)

Helical-worm style reducer

C-face adapter (customer to supply his own

C-face motor, 145TC frame)


Solution:

S for helical-worm

(blank) for solid shaft (see picture)

(blank) for no flange

47 from SEW selection catalog, 2.1 Hp capacity

(blank) for no gearbox options

(blank) for no variable speed

AM145 for C-face adapter with 145TC frame

(blank) for no Integral Motor

(blank) for no Motor

(blank) for no Motor Options

(blank) for no Encoder(blank) for no Movimot


Result:


S47AM145-KS

1 2 3 4 5 98

S 47 AM145 -KS

1110 12 13

1

2

3

4

5

6

7

8

9

10

11

12

13

6 7

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Nomenclature


Example #3

Establish the nomenclature for the unit pictured anddescribed below.

10 Hp, 52 rpm (AGMA Class II S.F.)

theSnugglergear reducer + integral motor

Keyed hollowshaft

With brake and hand lever release

With rail holes for mounting

Solution:

F for Snuggler

A for hollowshaft(blank)

87 from SEW catalog, 1.9 S.F.

(Notice that size 77 has only 1.1 S.F. Class II

requires a minimum of 1.4 S.F.)

B for housing with rail holes

(blank)

(blank)

DV132M for 10 Hp integral motor

4 for 1800 rpm motorBM15 for brake on a 132M4 frame

HR for hand release

(blank)

(blank)

(blank)

Result:

1 2 3 4 5 6 7 8 9 10

F A 87 B DV132M 4 BM15HR

11 12 13

Since blank fields are not spaces, the following nomenclature appears on the gear reducer

nameplate in the Type field:

FA87BDV132M4BM15HR

NOTE:

BM15 appears beforeHR in the nomenclature

because BM15 is shownbefore HR in the motor

options on page 28. Referto Rule #3 of Chapter 1.

1

2

3

4

5

6

7

8

910

11

12

13

Rail Holes

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Nomenclature

R F 47 D26HSB DT100LS 4 -KS

1 2 3 4 5 6 8 9 10 11 12 13

1

2

3

4

5

6

7

8

9

10

11

12

13

Example #4


3 Hp

44-220 rpm

Helical-Inline with Varimot

With mounting flange

With dial speed indicator

With Severe Duty Washdown Package

Solution:

R for Helical-Inline

(blank) for solid output shaft

F for B5 style output flange

47 from SEW Varimot catalog

(blank)

D26 for 3 HP Varimot

HS for handwheel @ 90o

B for chrome driving disc (included with Severe Duty Package)

(blank)

DT100LS for 3 Hp integral motor

4 for 1800 rpm motor

(blank)

(blank)

(blank)


Result:

Since blank fields are not spaces, the following nomenclature appears on the gear reducer

nameplate in the Type field:

RF47D26HSBDT100LS4-KS

7

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Nomenclature


Example #5

Establish the nomenclature for the unit pictured and

described below.

7.5 HP beltcase, 7.2 - 44 rpm

theSnugglergear reducer

1.75 diameter solid shaft

With 9.84 diameter flange (BD)

Brake on lower pulley shaft

Solution:

F forthe

Snuggler

(blank) = solid output shaft

F for B5 style output flange

77 from SEW Varigear catalog

(blank)

VZ31 for Varigearbeltcase

BMG for brake on lower pulley shaft

(blank)

DV132S for 7.5 Hp integral motor


(blank)

(blank)

(blank)

(blank)

Result:

F F 77 VZ31BMG DV132S 4


FF77VZ31BMGDV132S4

NOTE:

The desired shaft and flangediameters are available per the

SEW catalog. However, sinceshaft size and flange size are

not represented in the nomen-clature, they must be stated

when placing an order.

12

3

4

5

6

7

8

9

10

11

12

13

1 2 3 4 5 6 8 9 10 11 12 137

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Nomenclature

Practice Exercises - Description

Refer to the picture and determine the nomenclature for the following units. See Chapter 5 for

answers.

1. 2 Hp, 1800 rpm motor Size 67 gear reducer

Severe duty washdown 230V Movimot inverter

2. 5 Hp, 1800 rpm motor Reducer that has 2.375 standard shaft

Brake with hand release and largest brake torque Thermostats in motor winding Mounting holes, as shown

3. 7.5 Hp, 1800 rpm motor Size 77 gear reducer

115V Ventilator fan to cool motor Thermistors in motor winding Hollowshaft (with keyway)

Torque Arm

1 2 3 4 5

1 2 3 4 5 6

1 2 3 4 5 6

7 9 11 12 138 10

7 9 11 12 138 10

7 9 11 12 138 10

6

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Nomenclature


4. 10 Hp, 10 - 61 rpm Size 87 gear reducer Severe Duty Washdown package

Brake on motor with hand release Handwheel with speed dial Gearbox with flange and feet

5. 3 Hp

38-190 rpm output Electro-mechanical speed control Shrink disc

Chrome driving disc

6. 1.5 Hp 1.3 rpm with 1.0 service factor minimum Hollowshaft (keyed)

Foot mounted Severe Duty Washdown

1 2 3 4 5

7 9 11 12 138 10

6

1 2 3 4 5

7 9 11 12 138 10

6

1 2 3 4 5

7 9 11 12 138 10

6

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Nomenclature

7. Size 107 gear reducer

Shaft Input (size 4) Flange Shrink disc shaft

Gearbox without feet

8. 10 Hp 49 rpm, AGMA class II (1.4 S.F minimum) Hollowshaft + keyway

24VDC

sin/cos incremental encoder Rubber bushings for built-in torque arm Thermostats in motor windings

9. 3.0/1.6 Hp (two speed), 60 Hz 602/294 rpm, 2.89:1 ratio 3.0 service factor (size 67 reducer) Flange mount

Brake with screw release

1 2 3 4 5

7 9 11 12 138 10

6

1 2 3 4 5

7 9 11 12 138 10

6

1 2 3 4 5

7 9 11 12 138 10

6

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Nomenclature


10. 5 Hp, 331 rpm

2.0 service factor or higher Single stage gear motor Foot mounted

1.75 diameter output shaft

11. 2 HP, 16 rpm, 1.4 S.F. minimum Taper bushing shaft Industry Option Package for Food

With mounting holes in gearcase

12. 5 Hp, 43-213 rpm

Severe Duty Washdown package 1.75 output shaft diameter 9.84 diameter flange (BD)

1 2 3 4 5

7 9 11 12 138 10

6

1 2 3 4 5

7 9 11 12 138 10

6

1 2 3 4 5

7 9 11 12 138 10

6

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Nomenclature

Practice Exercises - Model Number

Given the model number, fill in the appropriate fields and describe the following units. Answers are

given in Chapter 5.

13. Model: RX77AD4RS

14. Model: SF77R37DT71D4TFES1S-KS

1 2 3 4 5 6 7 8

11 12 1310

9

1 2 3 4 5 6 7 8

11 12 1310

9

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Nomenclature


15. Model: KA87DV100M4MM22CRB1ABGM-KS

16. Model: R97R57DT80K4BMG1HRZ

1 2 3 4 5 6 7 8

11 12 1310

9

1 2 3 4 5 6 7 8

11 12 1310

9

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Nomenclature

17. Model: FAZ57DT100L4-IO2

18. Model: RX97DV132S4ABC8ES1S

1 2 3 4 5 6 7 8

11 12 1310

9

1 2 3 4 5 6 7 8

11 12 1310

9

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Nomenclature


19. Model: FA87BGAD5P

20. Model: ST77TDT100LS4-IO1

1 2 3 4 5 6 7 8

11 12 1310

9

1 2 3 4 5 6 7 8

11 12 1310

9

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Nomenclature

NomenclatureandOptions

Nomenclaturea

ndOptions


Nomenclaturea

ndOptions


1

2

3

4

5

6

7

8

NOTES:

Thispagemaybe

photocopiedasneededfortr

aining.

9

10

11

12

13

UnitDescription:

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Nomenclature


Notes

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57Mechanical Variable Speed w/o Gear Reducer

Nomenclature

Chapter 3

Mechanical Variable Speedwithout Gear Reducer

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Nomenclature

58 Mechanical Variable Speed w/o Gear Reducer

This chapter explains nomenclature for mechanical variable speed drives (i.e. Varimot disc drive orVarigear beltcase) without a gear reducer. Refer to Chapter 2 for all units with a gear reducer.

Figure 11 graphically illustrates the 6 fields of a mechanical variable speed drive. Below the graphicis the name of each field. For a summary of the options within each field, refer to the next page.After the summary page is a detailed description of each field.

5

4

3

2

1 Variable Speed Type

Variable Speed Options

Motor

Motor Speed

Motor Options

Option Package6

To establish the proper nomenclature that appears on the nameplate of the variable speed unit,arrange all 6 fields sequentially, as shown below.

1 2 3 4 5 6

END

6

1

BEGIN

Figure 11 - Mechanical Variable Speed Fields

Variable Speed Fields

2

3 4 5

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Nomenclature

21

Variable Speed Type

43

Motor

H - Handwheel@ 90o

S - Position Dial

HS - 90o H/W +Position Dial

BMG - Brake on

Pulley Shaft

B - NitratedPulleys

B - Chrome Disc

N - No Handwheel

EF - RemoteSpeed Control

DA - Digital Meter

IG - Pickup

w/o meter

U- No Vents on

Varigear

AM- C-face Inputon Varigear

GH- Gear Half ofVarimot


D - Varimot Disc Drivewith Feet

DF - Varimot Disc Drivewith Flange

VU - U-Flow VarigearBeltcase with Feet

VUF- U-Flow VarigearBeltcase with Flange

VZ - Z-Flow Varigear

Beltcase with Feet

VZF- Z-Flow VarigearBeltcase with Flange

DT__ - IntegralMotor

DV__ - IntegralMotor

Motor Speed

BM__ - Motor BrakeBMG__

HF - ScrewBrake Release

HR - LeverBrake Release

C - Canopy

U - TENV

Z - Cast Iron Fan

TF - Thermistors

TH - Thermostats

Motor Options Option Package

65

4 - 1800 rpm @ 60Hz

6 - 1200 rpm @ 60Hz

8/4 - 900/1800 rpm @ 60Hz

-KS - Severe Duty

WashdownPackage

Options - Summary

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Nomenclature


Flange/Shaft Combinations

There are a few versions of the flange/shaft combination that are available for a Varimot or Varigear.The nomenclature remains the same for all versions. For example, a flanged Varimot always has

the letters DF in Field #1 regardless if the Varimot mounts to an SEW gearbox, to a customers

machine, or to an IEC motor adapter. Since the model number is the same, the correct versionmust be specified when ordering. The shaft diameter and the orientation of the flange holes identify

the version type, as explained below.

Inch Version

Inch shaft 45obolt pattern

Centering hole

Gearbox Version

Pinion shaft 90obolt pattern

IEC Version

Metric shaft 45obolt pattern

Threaded hole

Oil Plug

Drilled and Tapped

Hole

Metric

diameter shaft

Centering Hole Oil Slinger and

Optional Pinion

Inchdiameter shaft

4590

45

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Nomenclature

Inch Version

Includes a inch-series shaft diameter and key. The shaft contains a centering hole, which is taperedbut not threaded, to aid with the removal of sprockets, couplings, etc. The inch version is onlyavailable on a flanged Varimot, not on a flanged Varigear. Depending upon the size of the

Varimot, either one, two, or three metric flanges are available - each containing a 45obolt pattern.To obtain the correct flange size, specify the BD dimension of the flange (outer diameter) whenordering.

IEC Version

Includes a metric shaft, metric key, and a flange with a 45obolt pattern. The center of the outputshaft contains a threaded hole with a tapered end. The taper acts as a centering device to assist

the removal of components from the shaft, while the threads provide support for a retaining boltwhen mounting components onto the shaft. Depending on the size of the unit, either one, two, or

three flange sizes are available. One of the flanges contains a hole pattern and diameter thatmatches the dimensions of a standard IEC motor. To obtain the correct flange size, specify theBD dimension of the flange (outer diameter) when ordering.

Gearbox Version

Includes a metric pinion shaft, a snapring, and a flange with a 90obolt pattern. Since the flangemates to an SEW gearbox, the flange contains an oil plug. The plug serves as either a breatherlocation or as an oil level indicator, depending upon the mounting position. To obtain the correct

flange size when ordering, specify the model number of the gearbox to which the unit attaches.

The gearbox version also contains an oil slinger on the output shaft. When the pinion gear rotates,

the gear teeth propel oil contaminates at a high velocity, which could cause seal damage or oilleakage. The slinger serves as a protective barrier between the seal and the oil.

If necessary, SEW can provide a pinion gear mounted onto the output shaft. However, in order to

ensure the correct gear when ordering, please specify the reducer model number and ratio to whichthe unit attaches.

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Nomenclature


Variable Speed Type

D _ _ Varimot

Friction

Disc-Drive

with Feet

5:1 or4:1 speed

range

VZF _ _ VarigearBelt Drive

Z-Flowwith Flange

VU _ _ VarigearBelt Drive

U-Flow

with FeetSpeed Ranges:

3:1

4:16:18:1

05/077/97

Ex: D26..

DF _ _ Varimot

FrictionDisc-Drive

with Flange

5:1 or4:1 speed

range

Ex: DF26..

Output shaft and flange are available in either aninch version, an IEC version (matches IEC motor),

or a reducer version (fits SEW gearboxes).

VUF _ _ Varigear

Belt DriveU-Flow

with Flange

Ex: VU41..

VZ _ _ VarigearBelt Drive

Z-Flow

with Feet

Speed Ranges:3:1, 4:1

6:1, 8:1

Ex: VZF11..

Ex: VZ31..

Speed Ranges:3:1, 4:16:1, 8:1

Ex: VUF31..

Output shaft and flange are available in either anIEC version (matches IEC motor) or a reducer

version (fits SEW gearboxes).

Output shaft and flange are available in either anIEC version (matches IEC motor), or a reducer

version (fits SEW gearboxes).

Speed Ranges:3:1, 4:1

6:1, 8:1

1

UnitSize

Unit

Size

UnitSize

UnitSize

UnitSize

Unit

Size

Options - Details

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Nomenclature


Handwheel

@ 90ofrom

motor axis

Handwheel

@ 90o+

Position

Indicator

Face of display is gravity

sensitive and must mount inthe vertical plane, as shown.

2a

Ex: VUF31H..

H

S

V

Handwheelw/Position

Indicator

Face of display is affected by gravity and mustmount in vertical plane, as shown. If necessary,use HS option to achieve vertical plane.

Ex: DF26HS..

V

Brake onLower

Pulley

Shaft

Nitrided

Pulleys for

Wet orWashdown

Areas

Chrome

Driving Disc

for Wet or

WashdownAreas

This option is included

in the Severe DutyPackage, which is

highly recommended(see field #6).

Prevents corrosion of pulleys. This option

is included in the Severe Duty Package,

which is highly recommended (see field #6).

Fail-safe brakeoperates even

when belt issevered. Notavailable on

Varigear sizes

51 or 61.

BMG

B

B

V

V

D

Ex: VUF11S..

Ex: VUF11HBMG..


Ex: VZF31HB..

Ex: D36B..

HS

Note: The lower right corner denotes the

compatibility of the option, where:V= Varigear, D= Varimot

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Nomenclature



N NoHandwheel

(Bare

Spindle)

Used to mount customershardware or to prevent tampering

of unit while in operation.

DA MagneticPickup w/

Digital

Meter

Notches onthe driven

disk of aVarimot(ora slit at the

end of thepulley shaft

of aVarigear)

provide air gaps that disruptthe magnetic flux field of thepickup sensor to produce

electrical pulses.

Voltages: 220 VAC,1 phase

120 VAC,1 phase

Specify voltage when ordering

Meter faceis NEMA 4

rated whenused with mounting gasket.

Maximum wire length = 200meters.

EFElectro-

MechanicalRemote Speed

Control

Voltages:110/1 Ph

220/3 Ph460/3 Ph

V

Magnetic

Pickup w/o

Display

Meter

6 Pulses/Rev = D16-D46,VU62 Pulses/Rev = VU1-VU51

Max. length = 200 meters

IG

Ex: DF26EF...

Ex: VUF41HEF...

0503590 +0303697

2b

Varigear

Without

Air

Vents

Note: To avoidexcessive heat,a larger beltcase

may be required.Consult SEW.

U


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Nomenclature

Variable Speed Options Motor

32c

Varigear

with

C-Face

Adapter

C-faceframeAM____

Ex: VUF41HAM132

Used to mount any manufacturers C-facemotor. Corrosion resistant for easy removal.

Leave fields #4 and #5 blank when using thisoption. Specify NEMA frame size when

ordering.

Not available on Varimotdisc drive.

41800 RPM

NEMA Design B

61200 RPM

NEMA Design B

8/4 900/1800 RPM2-Speed

Tapped Wound

Cont. Duty


Starter

Can be used to obtain a wider speed range for

Varimotor Varigear.

V

Motor used on Varigearhas the dimensions of a

standard IEC motor. Motor used on Varimothasan extended rotor shaft onto which the driving cone

is pressed.

Standard Voltage: 230/460, or 575.Other voltagesavailable upon request.

AC

3-Phase

InductionMotor

DT ____Frame Size71S - 100L

DV ____Frame Size

112M - 225M

Ex: DF26DT90L4 Ex: VU6DV180L4

4

Motor Speed

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Nomenclature


5a

Integral

DC Brake

w/Damping

Plate&

Patented

Discs

BMG ___Sizes

05,1,2,4,8

Reminder: If more than one motor

option is needed, place letters in theorder as they appear in this section

when proceding down and across.


Ex: RF67VZ21DT90L4BMG2HR

HR Manual BrakeRelease

(Lever Type)

Brake operateselectrically, butreleases by pulling on

the supplied lever.

This option is a

standard on allSEW brakes,

unless the HFoption is requested.

HF ManualBrake

Release

(Screw Type)

Hex head holds the

brake in thereleased position.Caution:Consider

safety when usingthis option.

Ex: ..DT80N4BMG1HR

Ex: ..DT100L4BMG4HF

Integral DC

Brake

Ex: ..VU31DV132M4BM15

Standard

brake formotor framesizes 132M

andlarger.

Sizes15, 30, 31,

32, 62BM ___

BM32 and BM62

have two discs.Standard brakefor motor frame

sizes 71 - 132S.

Brake mounts

directly onto rotor shaft ofmotor. The rectifier inside the conduit box

converts AC power from the motor terminalsto DC brake power. Caution: Fail safe brake

on motor will not hold load if belt is severed;use BMG option in field #2a instead.

Due to shock loading induced by startingand stopping, brake is not recommended

on a Varimot, unless it is used to hold aload during infrequent stops.

Motor Options

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Nomenclature

Motor Options

Highly recommendedin wet or outdoor

environments whenmotor fan mounts

upward. Helps preventice or snow fromclogging the air holes

and seizing the motorfan.

C Fan Guard +Canopy

TH Thermostats(Bi-metallic Switches)

Each of the three phases of the stator windingcontains a thermostat, consisting of a normally

closed bi-metallic strip. All three thermostatsare placed in series with the holding circuit ofthe users motor starter. Excessive heat

causes the bi-metallic strip to expand and openthe circuit to stop the motor.

Class F or Class H available.

TF

Thermistors

(Variable Resistors)

Each of the three phases of the statorwinding contains a variable resistor (varistor).

Its resistance changes with heat and ismeasured by a trip control, such as ABBs

CM-MSS (available from SEW).

A normally closed contact on the trip controldevice is placed in series with the usersmotor holding circuit. When excessive heat

causes the resistance in any varistor to reacha set value, three things occur in sequence:

1. The contact opens. 2. The holding circuitdisengages. 3. The motor stops.

Severe duty washdown package is

highly recommended with this option(see Field #6).

MH SplitTraction

Case -Motor Half

Only

Contains the complete assembly of the backportion of Varimot, which contains the drivingdisc and motor. Mainly used for repairs and

spares.

D

Ex: VU31HBDT100L4C

Ex: D36DV132S4TF

Ex: VUF21DT100L6TH

Ex: DF16DT80N4MH


5b

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Nomenclature


6

-KS

Option Package

Varimot

-KS

Varigear

Severe Duty Package for Varimotincludes:

2 mil special primer + 2 mil finished paint (blue stainless steel).

Drain holes placed in the motor endshields, conduit box, housing containing the drivingdisc, and housing containing the driven disc at the lowest points.

Stator windings, rotor, end shields and all internal parts of Varimot sprayed with rustinhibiting compound.

Stainless steel guide bars to prevent corrosion and seizing.

Chrome-plated driving disc. Note: B is also addedto nomenclature (see field #2a).

Stainless SteelSlides

Severe Duty Package for Varigearincludes:

2 mil special primer + 2 mil finished paint (blue stain-

less steel). Drain holes placed in the motor endshields, conduit

box, and Varigearhousing at the lowest points,depending upon mounting position.

Stator windings, rotor, end shields and all internal partsof Varigear sprayed with rust inhibiting compound.

Nitrided Pulleys. Note: B is also added to

nomenclature. See field #2a.

Drain Holes

Drain holes

Chrome PlatedDisc

Nitrided Pulleys

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Nomenclature

Reference the unit pictured and described below.

5 Hp, 395-1980 rpm Flange for mounting to machine

Inch style shaft (pulley to be

mounted onto it)

Solution:

DF36 for 5 Hp Varimotwith flange. The corrrectsize is found in the SEW Varimot Catalog. The

nomenclature does not change depending on theflange size and shaft type.

(blank) for no variable speed options

DT100L for 5 Hp motor frame


(blank) for no motor options

(blank) for no option package

1 2 3 4 5 6

Example #1

1

To establish the proper nomenclature, proceedthrough each field, leaving a blank in the fieldswhich are not needed.

2

3

4

5

6

Result:

DF36 DT100L 4

Since blank fields are not spaces, the following nomenclature appears on the nameplate

in the Type field:

DF36DT100L4

NOTE:

The shaft and flange

type (inch version) mustbe specified on order.

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Nomenclature


Example #2


C-face adapter to fit 15 HP C-face motor.

Flange for mounting to a R87 gear reducer

Brake on lower pulley shaft

Handwheel as shown

Solution:

Note: Observe that the beltcase has a U flow configuration.

Result:

Since blank fields are not spaces, the following nomenclature appears on the nameplate in theType field:

VUF41HBMGAM254

1 4 5 6

VUF41 HBMGAM254

32

VUF41 for 15 Hp Varigearwith flange, which is

found in the Varigear Catalog. The same nomencla-ture (VUF41) is used regardless of the type of

shaft and flange (i.e.: whether the flange mounts toan SEW gearbox, to a customers machine, or to anIEC motor adapter).

H for the handwheelBMG for the brakeAM254 for C-face adapter.

(blank) for no motor

(blank)

(blank)

(blank) for no Option Package

1

2

3

4

5

6

NOTE:

The gearbox to which

this unit will mate (R87)must be specified when

ordering. Also, the unitis available with a piniongear mounted onto theoutput shaft, if desired.

U-Flow

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Nomenclature

Example #3


3 Hp (with 4-pole motor)

Foot Mounted


Handwheel with speed indicator dial, as shown

Solution:

Note: Observe that the beltcase has a Z flow

configuration.

Result:

Since blank fields are not spaces, the following nomenclature appears on the nameplate in theType field:

VZ21SBIGDT100LS4-KS

VZ for footed Varigearwith Z-flow.21 for 3 Hp size (from SEW catalog)

S for handwheel with position indicator.

B for nitrided pulleys, which are included in severe duty washdown package.IG for magnetic pickup without meter

DT100LS for 3 HP motor (@1800 rpm)


(blank)

-KS for severe duty package

1 4 5 6

VZ21 SBIG DT100LS 4 -KS

32

1

2

4

5

6

3

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Nomenclature


Practice Exercises

Using the pictures as a guide, determine the nomenclature for the following units containing thefeatures as described. Answers are given in Chapter 5.

1. 2 Hp, 1800 rpm motor Smallest beltcase capable of 2 Hp. Handwheel as shown

Brake on lower pulley shaft Flanged to fit R67 gear reducer

2. 5 Hp, 1800 rpm motor Flanged with inch version shaft

Motorized handwheel Severe Duty Washdown Package

3. 7.5 Hp, 403-2459 rpm, 1200 rpm motor With brake and hand release on motor

Bi-metallic thermistats in motor winding

1 2 3

4 65

1 2 3

4 65

1 2 3

4 65

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Nomenclature

4. 15 Hp beltcase, 607-3710 rpm IEC version shaft

Nitrated pulleys

Handwheel as shown Dial indicator in handwheel (not pictured) Motor canopy

5. 1.5 Hp Varimot 448-2235 rpm output Digital meter Chrome plated driving disc

6. Beltcase with C-face input 3 Hp, 184TC, 1800 rpm motor to be supplied

by customer

Smallest beltcase available for 3 Hp

1 2 3

4 65

1 2 3

4 65

1 2 3

4 65

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Nomenclature







NOTES:

Thispagemayb

ephotocopiedasneededfor

training.

1

4

5

6

3

2

NOTES:

1

4

5

6

3

2

UnitDescription:

UnitDescription:

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75Motor without Gear Reducer

Nomenclature

Chapter 4

Motor without Gear Reducer

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Nomenclature

76 Motor without Gear Reducer

This chapter explains nomenclature for a motor without a reducer. Examples include a replacementmotor mounting to an SEW gearbox, a footed IEC motor, or a flanged IEC motor. Refer to Chapter 1

for all units containing a motor anda reducer.

Figure 12 graphically shows the six (6) fields of a motor. Below the graphic is the name of eachfield. For a summary of field options, refer to the next page. For a detailed explanation of fieldoptions, refer to page 81.

BEGIN

5

4

3

2

1 Motor Type

Motor Poles / RPM

Motor Options

Encoder

MovimotInverter

Option Packages6

To establish the nomenclature that appears on the nameplate of the motor, arrange all 6 fieldssequentially, as shown below.

1 2 3 4 5 6

1 2 43

5 6

Figure 12 - Motor Fields

END

Motor Fields

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Nomenclature

21

Motor Type

3

Motor Options

Motor Poles / RPM

Options - Summary

CT__ - AsynchronousCV__ Servo - Footed

DT__ - Standard ACDV__ Induction - Footed

SDT__ - 2-Speed ACSDV__ Induction - Footed

BMG__ - Motor Brake(71 - 132S)

BM__ - Motor Brake(132M +)

B- Servo Brake

HF- Screw TypeBrake Release

HR- Lever TypeBrake Release

ACA_ - Harting-type Han 10E

ACB_ Plug Connector

ASA_ - Harting-type Han 10ES

ASB_ Plug Connector

ABC8 - Harting-type Han ModularAXC8 Plug Connector:

AFL_AFM_ - Brad Power ConnectorAFQ_AFP_

IS - SEW Plug Connector

RS - Backstop

C - Canopy

U - TENV

Z - Cast Iron Fan(High Inertia)

V - Vent Fan 3 Ph

VS - Vent Fan 1 Ph

VR - Vent Fan 24V

TF - Thermistors

TH - Thermostats

2 - 3600

4 - 1800

6 - 1200

8 - 900

4/2 - 1800/3600

8/4 - 900/1800

6/2 - 1200/3600

8/2 - 900/3600

12/2 - 600/3600

CFT__ - AsynchronousCFV__ Servo - Flanged

DFT__ - Standard AC

DFV__ Induction - Flanged

SFDT__- 2-Speed ACSFDV__ Induction - Flanged

DFS__ - SynchronousDFY__ Servo - FlangedCFM__

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Nomenclature

78 Motor without Gear Reducer

4

Encoder Movimot Inverter

5

ES1_ - Incremental (71 - 100)

ES2_ - Incremental

(112 - 132S)

EV1_ - Incremental (132M - up)

AV1_ - Absolute + Incremental

XH_ _ - Non Standard

NV_ _ - Proximity Sensor

MM03B(C) - .5 HP

MM05B(C) - .75 HP

MM07B(C) - 1.0 HP

MM11B(C) - 1.5 HP

MM15B(C) - 2.0 HP

MM22B(C) - 3.0 HP

MM30C - 5.0 HP

RA1A - Modular

RB1A Conduit Boxes

RE1A

RA2A

RB2A

RE2A

BGM - Brake

BSM Rectifiers

URM

ASA3 - Plug Connectors

AVR1

AVT1

6

Option Packages

- IO1- Industry Option Package for Food

- KS - Severe DutyWashdown

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Nomenclature

The nomenclature for a flanged motor is the same, regar

Documents

Book 300