Screw Conveyor

Pocket Guide toScrew Conveyors

Screw Conveyor

Needed for Quote:

What is Being Conveyed?How Far?How Much?How Fast?What Angle?How is it Fed?

PitchShaftDiameter

Pipe Diameter(Nominal O.D.)

Flight Thickness(Outer Edge)

ConveyorDiameter

InsideWidth

Normally Conveyor Diameter + 1"

Thickness

A conveyor screw is either right hand or left hand depending on the form of the helix. The hand of the screw is easily determined by looking at the end of the screw.

The screw pictured to the left has the flight helix wrapped around the pipe in a counter-clockwise direction, or to your left. Same as left hand threads on a bolt. This is arbitrarily termed a LEFT hand screw.

The screw pictured to the right has the flight helix wrapped around the pipe in a clockwise direction, or to your right. Same as right hand threads on a bolt. This is termed a RIGHT hand screw.

A conveyor screw viewed from either end will show the same configuration. If the end of the conveyor screw is not readily visible, then by merely imagining that the flighting has been cut, with the cut end exposed, the hand of the screw may be easily determined.

Right and Left Hand Screws

The above diagrams are a simple means of determining screw rotation. When the material flow is in the direction away from the end being viewed, a R.H. screw will turn counter clockwise and a L.H. screw will turn in clockwise rotation as shown by the arrows.

Conveyor Screw Rotation

Flow Flow

Left Hand

C.W.Rotation

C.C.W.Rotation

Right Hand

Left Hand Right Hand

Components needed for standard intermediate screw connection:

1. Hanger frame2. Hanger bearing3. Coupling shaft4. Coupling bolts

Screw Conveyor

Screw ConveyorNomenclature

Conveyor Screw

16 H 6 14 R Flight Hand

R Right

L Left

Flight Thickness04 1/16 10 5/32 16 1/4

06 3/32 12 3/16 24 3/8

08 1/8 14 7/32 32 1/2

Coupling Diameter

2 1" 4 2" 6 3"

3 1 1/2" 5 2 7/16" 7 3 7/16"

Screw Type

H Helicoid

S Sectional

R Ribbon

HQ Quick Detachable Helicoid

SQ Quick Detachable Sectional

Screw Diameter

TypeF Fixed

D Detachable

Cover Inlet

Conveyor Diameter

Cover Inlet

14 CI F

Drive & End ShaftSeal Type

Delete if without sealP Plate

W Waste Pack

Bearing TypeBB Ball

RB Roller

Coupling Diameter

2 1" 4 2" 6 3"

3 1 1/2" 5 2 7/16" 7 3 7/16"

1 CD 5 BB W

Type

CD Drive Shaft

CE End Shaft

Drive Shaft Number

Drive Shaft Only

1 Standard End Plate

2 Single Bearing Pedestal

3 Double Bearing Pedestal

Hanger Bearing

CHB 220 6 W

Coupling Diameter

2 1" 5 2 7/16"

3 1 1/2" 6 3"

4 2" 7 3 7/16"

Style

18B*, 60**, 216, 220

* Wood, Hard Iron, Nylatron & Gatke** Ball Bearing Only

Conveyor Hanger Bearing

Construction

ST Stellite

MHI Martin Hard Iron

N Nylatron

P HDPE

MCB Melamine(Furnished Less Flanges)

WN White Nylon

H Hard Iron

W Wood

BR Bronze

U UHMW

MBR Martin Bronze

C CeramicHanger

14 CH 220 5 Coupling Diameter

2 1" 5 2 7/16"

3 1 1/2" 6 3"

4 2" 7 3 7/16"

Conveyor Hanger

Conveyor Diameter

Hanger Style220, 226, 216, 230, 316,

19B, 326, 30, 216F, 60, 70

Spout Thickness12 12 GA.

10 10 GA.

16 16 GA.

14 14 GA.

Discharges & Gates

14 TSD 12

Type

TSD Plain Fixed Spout

TSDS Plain Fixed Spout w/Slide

TSDF Flush End Spout

RPF Rack & Pinion Flat Slide

RPFD Rack & Pinion Flat Slide Dust Tight

RPC Rack & Pinion Curved Slide

RPCD Rack & Pinion Curved Slide Dust Tight

Conveyor Diameter

Trough End

9 TEF 3 - BB - P Plate Only

(Less Bearing)

Bearing TypeBB Ball

RB Roller

Coupling Diameter

2 1" 4 2" 6 3"

3 1 1/2" 5 2 7/16" 7 3 7/16"

Trough End Type

TE Outside

TEF Outside with Feet

TEI Inside

TER Inside Rectangular

TEO Single Bearing Pedestal

TEOD Double Bearing Pedestal

FTEF Outside Flared with Feet

FTE Outside Flared

FTEO Single Bearing Flared Pedestal

FTDO Flared Discharge End

TDO Outside Discharge End

TDI Inside Discharge End

CHTE Outside Tubular

CHTEF Outside Tubular with Feet

Conveyor Diameter

Trough Thickness12 12 GA.

10 10 GA.

16 16 GA.

14 14 GA.

Conveyor Trough

18 CTA 12 - 12 Length of Trough

Housing Configuration

CTA Angle Flange U Trough

CTF Formed Flange U Trough

FCT Flared Trough

CHT Tubular

CHT-F Tubular Split Formed Flange

CHT-A Tubular Split Angle Flange

Conveyor Diameter

Cover Thickness12 12 GA.

10 10 GA.

16 16 GA.

14 14 GA.

Trough Cover

18 TCP 12 - 12 Length of Cover

TCP Plain

TCS Semi-Flanged

TCF Flanged

Type

TCH Hip Roof

TSC Shroud

Conveyor Diameter

Bearing or Shaft Type

(Doesn't apply for TEBH & CTW)D Drive

E End

BR Bronze

BB Ball

R Roller

End Bearing

TEB 5 BB

Coupling Diameter

2 1" 4 2" 6 3"

3 1 1/2" 5 2 7/16" 7 3 7/16"

Bearing Style

TEB Flanged

TDB Discharge

TPB Pillow Block

TEBH Trough End Bearing Housing

for Hanger Bearing

CTW Weather Set Thrust Style B

CTH Heavy-Duty RB End Thrust

CT Type E Thrust Hanger Bearing

Shaft Seal

CSS 6 Coupling Diameter

2 1" 4 2" 6 3"

3 1 1/2" 5 2 7/16" 7 3 7/16"

Seal Style

CSS Split Gland

PGC Packing Gland

CSW Waste Pack with Lip Seal

CSP Plate Seal with Lip Seal

CSFP Product Drop Out

MSP Martin Super Pack

Shaft & Coupling Component

Coupling Diameter

2 1" 4 2" 6 3"

3 1 1/2" 5 2 7/16" 7 3 7/16"

CC 5

Coupling Part

CCC Close Coupling Shaft

CHE Hanger End Shaft

CCB Coupling Bolts

CIC Internal Collar

CC Coupling Shaft Std.

Screw Conveyor

For more information contact a branch near you:

Corporate Offices Sales & ManufacturingARLINGTON, TX 817-258-3000 (FAX 817-258-3333)

Regional Manufacturing PlantsALBEMARLE, NC 704-982-9555 (FAX 704-982-9599)ATLANTA, GA 404-292-8744 (FAX 404-292-7771)BURLESON, TX 817-295-7151 (FAX 817-447-3840)DANIELSVILLE, PA 610-837-1841 (FAX 610-837-7337)FT. WORTH, TX 817-258-3000 (FAX 817-258-3173) MONTPELIER, OH 419-485-5515 (FAX 419-485-3565)SACRAMENTO, CA 916-441-7172 (FAX 916-441-4600)

Branch Manufacturing PlantsBOSTON, MA 08-634-3990 (FAX 508-634-3998)CHARLOTTE, NC 704-394-9111 (FAX 704-394-9122)CHICAGO, IL 847-298-8844 (FAX 847-298-2967)DENVER, CO 303-371-8466 (FAX 303-371-7116)HOUSTON, TX 713-849-4330 (FAX 713-849-4807)KANSAS CITY, MO 816-231-5575 (FAX 816-231-1959)LOS ANGELES, CA 323-728-8117 (FAX 323-722-7526)MINNEAPOLIS, MN 952-829-0623 (FAX 952-944-9385)NASHVILLE, TN 615-871-4730 (FAX 615-871-4125)PITTSBURGH, PA 724-452-4555 (FAX 724-452-5794)PORTLAND, OR 503-223-7261 (FAX 503-221-0203)TAMPA, FL 813-623-1705 (FAX 813-626-8953)

CANADA

MEXICO

BRAZIL

CAMBRIDGE, ONTARIO 519-621-0546 (FAX 519-621-4413) EDMONTON, ALBERTA 780-450-0888 (Fax 780-465-0079)MISSISSAUGA, ONTARIO 905-670-1991 (FAX 905-670-2110)

GUADALAJARA, JAL +52 33-3283-1188 (FAX +52 33-3271-8450)MONTERREY, N.L. +52 811 156 6830 (FAX +52 81-1156-6833)TOLUCA, MEX +52 722 276 0800 (FAX +52 722-276-0801)

SÃO PAULO, SP +55 19 3877 9400 (FAX +55 19-3877-9429)

Manufacturing OnlyAbilene, TX, Clarksville, TX, Dallas, TX, Mansfield, TX, Paragould, AR

USA

• Aggregate • Cement • Chemical

& Heavy Industrial • Dust Collection/

Air Pollution Control • Food Processing

Our extensive industry experience enables us to provide you with the answers to those troublesome areas that impact your ability

to get product out the door. Industry specific product guides are available for a number of targeted markets.

Specialty Applications • Mixer & Shredder • Pulp & Paper • Rendering • Waste-to-Energy • Wastewater Treatment • Wine & Beverage • Wood Products

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