RADEX -NC Servo lamina couplings - Robotek Ltd. · As an all-metal coupling - the laminas are made of stainless steel - RADEX ... cat. 2) must be selected such that there is a minimum

158

Type 2.5 Clamping hub double slot, without feather keyway

Type 2.6 Clamping hub double slot, with feather keyway

Frictionally engaged, backlash-free shaft-hub-connection. Transmittable torques depending on bore diameter

Positive locking power transmission with additional friction-ally engaged condition. The frictionally engaged condition prevents or reduces reverse backlash, respectively. Surface pressure of the keyway connection is reduced.

RADEX®-NC Servo lamina couplings

For continuously updated data please refer to our online catalogue at www.ktr.com

Technical description

RADEX®-NC is a line specifically developed for servo technology. In this coupling a set of torsionally rigid steel laminas that are soft in bending ensures a reliable compensation for axial, angular and radial shaft dis-placements. As an all-metal coupling - the laminas are made of stainless steel - RADEX®-NC can even be used with high temperatures (up to 200 °C) and under aggressive ambient conditions. The RADEX®-NC is manufactured in 7 sizes from size 5 to 42 for max. torques of up to 360 Nm. The hubs are designed as frictionally engaged clamping hubs made of aluminium (size 42 made of steel) and are thus backlash-free even in a reversing drive.

A typical application of the RADEX®-NC are backlash-free worm gear pairs with low transmissions. The rigidity of the coupling must be con-verted by reason of the transmission of the gearbox from the drive side to the driven side. Here the transmission itself has a decisive influence because it is squarely included in the calculation. This converted rigidity is added in line to the gearbox stiffness in order to get the total rigidity. In case of transmissions that are smaller than i = 8 we recommend to use the RADEX®-NC due to the loss of rigidity of the total system arising if flexible couplings are used.

Use in explosive applicationsRADEX®-NC couplings are suitable for power trans-mission in drives in hazardous areas. The couplings are certified and confirmed according to EC standard 94/9/EC (ATEX 95) as units of category 2G/2D and thus suitable for the use in hazardous areas of zone 1, 2, 21 and 22. Please read through our information included in the respective Type Examination Certificate and the operating and mounting instructions at www.ktr.com.Selection:If used in hazardous areas the clamping ring hubs (clamping hubs with-out feather keyway only for use in category 3 (with feather keyway for cat. 2) must be selected such that there is a minimum safety factor of s = 2 between the peak torque (including all operating parameters) and the nominal torque and frictional torque of engagement of the coupling.

Engine Coupling Gearbox

Hub types

159

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RADEX®-NC 20 DK 2.5 Ø20 2.5 Ø25

Coupling size Type Hub type Finish bore Hub type Finish bore

Technical data

Size TKN 1) [Nm]

TK max 1) [Nm]

Max. speed [rpm]

Torsion spring stiffness [Nm/rad] Displacement type DK Displacement type EK

Type EK Type DK Radial [mm] Axial [mm] Angular [°] Radial [mm] Axial [mm] Angular [°]5 2,5 5 25000 2400 1200 0,10 0,4 1 — 0,2 1

10 7,5 15 20000 5600 2800 0,14 0,8 1 — 0,4 115 20 40 16000 12000 6000 0,16 1,0 1 — 0,5 120 30 60 12000 30000 15000 0,25 1,2 1 — 0,6 125 60 120 10000 60000 30000 0,30 1,6 1 — 0,8 135 100 200 9000 72000 36000 0,40 2,0 1 — 1,0 142 300 600 7000 240000 120000 0,50 2,8 1 — 1,4 1

1) See page 18 et seqq.

RADEX®-NC Types DK and EK Hub and spacer material aluminium (size 42 steel)/laminas stainless steel

SizeDimensions [mm] Clamping screw Mass moments of inertia

max. d1/d2 DH l1;l2 LDK EDK LEK dh s t M TA [Nm] DK [kgm2] EK [kgm2]5 12 26 12 34 10 26,5 12 2,5 3,5 M2,5 0,8 0,000004 0,000003

10 15 35 16 44 12 35 14,5 3 5,0 M4 3 0,000016 0,00001215 20 47 21 55 13 45 19,5 3 6,8 M6 10 0,000065 0,00005320 25 59 24 67 19 52 24 4 6,5 M6 10 0,000199 0,00015425 35 70 32 88 24 69 30 5 9,0 M8 25 0,000508 0,00039335 42 84 35 98 28 77 38 7 10,5 M10 49 0,001153 0,00091142 55 104 40 116 36 91 48 11 10,5 M10 69 0,007458 0,006153

Review of shaft-hub-connection: Friction torques for hub type 2.5Size Pilot bored Ø3 Ø5 Ø8 Ø10 Ø12 Ø14 Ø15 Ø16 Ø19 Ø20 Ø24 Ø25 Ø28 Ø30 Ø32 Ø35 Ø38 Ø40 Ø45 Ø50 Ø55

5 2,5 2,2 2,3 2,4 2,510 4,5 8 9 10 10 11 1115 5,5 28 30 31 32 32 34 3520 7,5 36 37 38 39 40 41 44 4525 9,5 82 83 87 88 93 94 98 100 103 10635 11,5 155 157 165 167 173 177 181 187 193 19742 15,0 285 287 296 301 307 315 323 329 343 357 370

200


For legend of pictogram please refer to flapper on the cover

Ordering- example:

radeX®-nc dk and ek servo lamina couplings

Double- and single-cardanic types

Type DK Type EK

160

COUNTEX® 14 1.1 Ø6,35 1.1 Ø10

Coupling size Hub type Finish bore Ød1 Hub type Finish bore Ød2

COUNTEX® Hub material aluminium/spacer PEEK

SizeTorque [Nm] Dimensions [mm] Displacements Torsion

spring stiffness CT

[Nm/rad]

Radial stiff-ness CR [N/mm]

Axial restor-ing force CA [N]TKN TKmax. min. d max. d D l1/l2 E L radial

∆Kr [mm]axial

∆Ka [mm]angular∆Kw [°]

6 0,3 0,6 2 6 15 4 4 12 0,05 -0,3/+0,6 0,36 48 26 1012 0,5 1,0 2 12 22 6 3,5 15,5 0,10 -0,5/+1,0 0,45 120 65 2514 1,0 2,0 5 14 31 8 4 20 0,12 -0,5/+1,0 0,57 235 70 27

160

COUNTEX® Backlash-free shaft encoder couplings



Ordering- example:

Double-cardanic for measuring drives

ApplicationsThe measuring and control technology demands for a high torsion spring stiffness of the coupling in order to realize reproduceable positioning. At the same time the coupling has to compensate for displacements without the large forces causing stresses for the ad-jacent filigree components.With its spacer made of highly temperature-resistant nylon our COUNTEX® ensures an almost constant torsion spring stiffness even with high temperatures. The double-cardanic principle of COUNTEX® reduces the restoring forces to a minimum. Neverthe-less it has very compact dimensions which make it excellently suit-able for tight mounting spaces.

General descriptionCOUNTEX® is a three-part, backlash-free and torsionally stiff coupling specifically developed for the demands in measuring and control technology. Its axial plug-in ability combined with the geometry of hubs results in a coupling system with a specifically easy assembly offering options of mounting fitting with processing. The material of the spacer is resistant to high temperatures ensuring almost continuous properties of the coupling system even with temperatures up to 160 °C.

Use in explosive applicationsCOUNTEX® couplings are suitable for positioning transmis-sion in drives used in explosive areas. The couplings are certified and confirmed according to EC standard 94/9/EC (ATEX 95) as units of category 2G/2D and thus suitable for the use in hazardous areas of zone 1, 2, 21 and 22. Please read through our informa-tion included in the respective Type Examination Certificate and the operating and mounting instructions at www.ktr.com.

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161

Type 1.0 with keyway and set screw Type 1.1 without keyway, with setscrew

Positive locking power transmission. Perm. torque depend-ing on the permissible surface pressure. Not suitable for backlash-free power transmission with heavily reversing operation.

Non-positive torque transmission, suitable for backlash-free transmission of very small torques.Standard

Type 1.3 with spline bore

Type 1.2 Hub without feather keyway without setscrew

Positive locking power transmission. Spline on request of customers (e. g. sfor shaft with flattening)

For low torques. Suitable for bonding or pressing onto the shaft.


Hub types

162162

163163

Steel lamina couplings

RADEX®-N RIGIFLEX®-N RIGIFLEX®-HP

Types and operating description 164

RADEX®-NGeneral information and types of hubs 166Types and applications 167Technical data 168Standard types 170Customized types 172Corrosion-resistant type for large shaft distances 173Standard series NANA 3 for pump drives in accordance with API 610 174

RIGIFLEX®-NTechnical data 176Type A 178

RIGIFLEX®-HPType C 179Type L 180Technical data 181

164

Product RADEX®-N RIGIFLEX®-N RIGIFLEX®-HP

Type Steel lamina coupling High-performance steel lamina coupling

Properties

Torsionally rigid

Backlash-free

Maintenance-free

Compensating for misalignment

Special features

Stock programme Basic programme available from stock, customized solutions available

Basic programme available from stock, customized solutions available

For customized solutions, applications in high performance ranges

and on high-speed drives

Applications/core industries Pumps, compressors, fans Pumps, compressors, fans Pumps, turbo compressors, turbines

API 610 610 & 671 610 & 671

Performance data

Max. rated torque TKN [Nm] 280.000 280.000 330.000

Max. speed n [rpm] 20.000 23.000 17.300

Max. operating temperature T [°C] 280 280 280

Standard materials

Hubs

Steel (S355J2G3)

Q & T steel (C45N)

Q & T steel (42CrMo4V)

Q & T steel (30CrNiMo8)

Spacers

Steel (S355J2G3)

Q & T steel (C45N)

Q & T steel (42CrMo4V) with torsion shafts

Q & T steel (30CrNiMo8) with torsion shafts

Special materials (corrosion-resistant)

Hubs

Steel (1.4305)

Steel (1.4404)

Spacers

Steeel (1.4305)

Steel (1.4404)

Spacer made of Composite GFK (fibre glass)

Spacer made of Composite CFK (carbon fibre)

Surface coating Painting, phosphating, zinc-plating and passivating, Geomet, Tenifer Q

Painting, phosphating, zinc-plating and passivating, Geomet, Tenifer Q

Painting, phosphating, zinc-plating and passivating, Geomet, Tenifer Q


Steel lamina couplingStypeS and operating deScription

Properties of lamina couplings

≈ Standard ≈ on request

165

Product RADEX®-N RIGIFLEX®-N RIGIFLEX®-HP

Type Steel lamina coupling High-performance steel lamina coupling

Geometries

Design Single- and double-cardanic Double-cardanic Double-cardanic

Max. shaft diameter [mm] 330 400 380

Radial assembly

Certifications/type examinations

ATEX

GOST R/ GOST TR

DNV GL

Laminas - FEM-optimized lamina shape

The steel lamina sets made of highly siff, stainless spring steel based on FEM calculations. Considering the necessary options of displace-ment of the coupling, the optimum shape with regard to torque transmis-sion and torsional stiffness was aimed at. The waisted shape of the steel laminas on the outside diameter resulted from this optimization calculation.

RADEX®-N - Lamina sets with dowel screws

The heart of the steel lamina coupling are the lamina sets and their connection to hubs and spacers. High-strength, special dowel screws that are alternately screwed to hubs and spacer enable a combination of frictional engagement and positive locking. Thus a high power density with at the same time ease of displace-ment and low restoring forces is ensured.

HubSpacer

Dowel screw (combination of frictional engagement and positive locking)

Lamina set with screws

RIGIFLEX®-N - Protecting the spacer

Since our main idea with the development of RIGIFLEX®-N was to comply with the standards of API 610 and API 671, the spacer is secured by a safety catch, too. In case that the laminas break the spacer remains within the coupling.In general the removable part is supplied along with a lamina set preassembled by the manufacturer. These are connected with the spacers or flanges absolutely backlash-free via positive-locking special pins.

Lamina set Special pins

Safety gear


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Steel lamina couplingStypeS and operating deScription

Product finder of lamina couplings

Details on lamina couplings

≈ Standard

Type 1.0 Hub with feather keyway and setscrew´

Type 2.5 Clamping hub double slot, without feather keyway

Positive locking power transmission, permissible torque depending on the permissible surface pressure. Not suitable for backlash-free power transmission with heavily reversing operation.

Frictionally engaged, backlash-free shaft-hub-connection-. Transmittable torques depending on bore diameter (For ATEX category 3 only)

Type 1.1 Hub without feather keyway with setscrew

Type 2.6 Clamping hub double slot, with feather keyway

Non-positive torque transmission for crimped and bonded connections (no ATEX release)

Positive shaft-hub connection with additional frictional engagement. The frictionally engaged condition prevents or reduces reverse backlash, respectively.

Type 1.2 Hub without feather keyway without setscrew

Non-positive torque transmission for crimped and bonded connections (no ATEX release)

Type 6.0 Clamping ring hub

Integrated frictionally engaged shaft-hub-connection for the transmission of higher torques. Clamping screws on lamina side. Transmittable torques depending on bore diameter Suitable for high speeds.

Type 6.5 Clamping ring hub

Integrated frictionally engaged shaft-hub-connection for the transmission of higher torques. Clamping screws outside. Transmittable torques depending on bore diameter Suitable for high speeds.

166 For continuously updated data please refer to our online catalogue at www.ktr.com

radeX®-n Steel lamina couplings

General information

Hub designs

Delivery conditionRADEX®-N couplings are delivered as individual parts (can be delivered assembled on request). The hubs can be supplied unbored or with finish bore and feather keyway or with a frictionally engaged shaft-hub-connection. The shaft-hub-connection needs to be inspected by the customer (consult with KTR, if necessary).

Assembly and operating advice(See our mounting instructions KTR standard 47110 at www.ktr.com.). With the assembly it is important to make sure that the lamina sets are assembled free from distortion in axial direction. If the finish bore is machined by the customer, the concentric and axial running tolerances have to be adhered to (see sketch).

Balancing:On request of the customer the RADEX®-N couplings can be balanced. For usual applications this is not necessary due to the accurate machining of the coupling. Please consult with us, if necessary.

Safety regulations:The coup l ing has to be d imens ioned in a way tha t the permiss ib le coup l ing load is not exceeded during any operating condition. For this purpose the actual loads have to be compared to the permissible parameters of the coupling. The customer has to protect rotating parts from accidental contact (Safety of Machines DIN EN 292 part 2). Please take precautions that there is a sufficient coupling protection in case of fracture of the coupling caused by overload.

Installation:RADEX®-N couplings are designed for horizontal installation. For vertical installation the spacer might have to be supported (see sketch). Please consult with us.

167For continuously updated data please refer to our online catalogue at www.ktr.com

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Types and applications

Type NN (see page 170)

Type NANA 1/NANA 2 (see page 170)

Type NANA 3 (see page 174)

Type NANA 4 (see page 172)

Type NNW (see page 172)

Type NNZ (see page 171)

Type NENE 1 (see page 171)

Properties Applications

Single-cardanic design Only angular and axial displace-ment permissible

High torsional rigidity Compact dimensions

Mixers Agitators Immersion pumps Fans Applications with high radial load

Double-cardanic design Compensating for high mis-alignment with low restoring forces

Standard spacers available from stock

Paper machines Printing and processing machines

Material Handling Steel mills Generators Grinding machines

Double-cardanic design Spacers adapted to standard dimensions of pumps

Radial assembly, no shifting of the machine required

Available according to API 610

Process pumps Water pumps Pumps according to API standard

Turbines Compressors

Spacers can be determined by the customer

Max. shaft distance dimension up to approx. 6 m

Welded intermediate pipes for high torsional rigidity

Foil and paper machines Pallet and conveyor systems

Robotic palletizers Test benches Cooling towers/blowers

Spacers can be determined by the customer

Coupling consisting of 2 times type NN with intermediate shaft

For drives with relatively low speeds

Low speed drives with big shaft distance dimen-sions

Agitators Crushers Presses Packaging machines

Compact double-cardanic coupling

Cannot be radially assembled With intermediate disk Ideal for replacement of curved-tooth gear couplings from steel

Standard type up to size 70

Robotics Paper machines and inserters

Machine tools Packaging machines Test benches

With reduced hubs Compact double-cardanic design

Spacer cannot be radially as-sembled

Variable spacer length

Applications with short shaft distance dimen-sions

Replacement for curved-tooth gear couplings from steel

Permissible speeds and torsional stiffness figures

Size Max. speed [rpm](higher speeds on request)

Torsion spring stiffness x 106 [Nm/rad]

per lamina setSize Max. speed[rpm]

(higher speeds on request)

Torsion spring stiffness x 106 [Nm/rad]

per lamina set20 20000 0,02 156 3500 17,0025 16000 0,03 166 3300 19,0035 13000 0,11 186 3000 25,0038 12000 0,20 206 2800 31,0042 10000 0,28 246 2300 55,0050 8000 0,50 286 2000 79,0060 6700 0,56 336 1800 125,0070 5900 0,90 138 3800 20,0080 5100 1,10 158 3500 26,0085 4750 1,50 168 3300 30,0090 4300 2,00 188 3000 39,00

105 4000 2,50 208 2800 49,00115 3400 3,50 248 2300 83,00135 3000 6,90 288 2000 125,00136 3800 13,00 338 1800 200,00

Torques and displacements

Size Lamina type

Torques [Nm] 1) Perm. displacements 2)

TKN TK max TKWAngle [°] each

lamina

Axial [mm] Radial [mm]

NN NANA 1/ NANA2/NNZ NANA 1 NANA 2/NNZ

20

lamina with 4 holes

15 30 5 1,0 0,60 1,2 1,0 0,225 30 60 10 1,0 0,80 1,6 1,0 0,235 60 120 20 1,0 1,00 2,0 1,1 0,338 120 240 40 1,0 1,20 2,4 1,2 0,342 180 360 60 1,0 1,40 2,8 1,2 0,450 330 660 110 1,0 1,60 3,2 1,5 0,460

lamina with 6 holes

690 1380 230 1,0 1,00 2,0 1,5 0,870 1100 2200 370 1,0 1,10 2,2 1,8 0,480 1500 3000 500 1,0 1,30 2,6 2,1 1,285 2400 4800 800 1,0 1,30 2,6 2,2 1,290 4500 9000 1500 1,0 1,00 2,0 2,2 1,1

105 5100 10200 1700 1,0 1,20 2,4 2,4 1,4115 9000 18000 3000 1,0 1,40 2,8 2,5 1,5135 12000 24000 4000 1,0 1,75 3,5 3,8 –136 17500 35000 8750 0,7 1,85 3,7156 25000 50000 12500 0,7 2,10 4,2166 35000 70000 17500 0,7 2,25 4,5186 42000 84000 21000 0,7 2,40 4,8206 52500 105000 26250 0,7 2,60 5,2246 90000 180000 45000 0,7 3,00 6,0286 150000 300000 75000 0,7 3,35 6,7336 210000 420000 105000 0,7 3,75 7,5 Depending on138

lamina with 8 holes

23000 46000 11500 0,5 1,30 2,6 distance dimension E158 33000 66000 16500 0,5 1,40 2,8168 45000 90000 22500 0,5 1,50 3,0188 56000 112000 28000 0,5 1,60 3,2208 70000 140000 35000 0,5 1,75 3,5248 120000 240000 60000 0,5 2,00 4,0288 200000 400000 100000 0,5 2,40 4,5338 280000 560000 140000 0,5 2,50 5,0

168 For continuously updated data please refer to our online catalogue at www.ktr.com


Size 20 – 50 (lamina with 4 holes)




Technical data

1) For selection of coupling see page 14 et seqq.2) The permissible displacement figures specified are maximum figures which must not arise at the same time. If radial, axial and angular displacements arise in parallel, the figures need to be reduced.

The following lamina types are to be distinguished with RADEX®-N

Standard hub 1.0 with feather keyway according to DIN 6885 sheet 1 1.Size dmax. G t TA [Nm] Size dmax. G t TA [Nm]20 20 M5 6 2,0 105 105 M12 30 40,025 25 M5 8 2,0 115 115 M12 30 40,035 35 M6 15 4,8 135 135

On request of customer

38 38 M6 15 4,8 136 / 138 13542 42 M8 20 10,0 156 / 158 15050 50 M8 20 10,0 166 / 168 16560 60 M8 20 10,0 186 / 188 18070 70 M10 20 17,0 206 / 208 20080 80 M10 20 17,0 246 / 248 24085 85 M10 25 17,0 286 / 288 28090 90 M12 25 40,0 336 / 338 330

Weights and mass moments of inertia

Size Hub 1)

[kg] / [kgm2]Lamina set

[kg] / [kgm2]NN 1) compl.[kg] / [kgm2]

NANA 1 1) compl.[kg] / [kgm2]

NANA 2 1) compl.[kg] / [kgm2]

NNZ 1) compl.[kg] / [kgm2]

20 0,13 / 0,000043 0,04 / 0,00002 0,3 / 0,00011 0,6 / 0,000204 – 0,4 / 0,00016625 0,2 / 0,000116 0,08 / 0,00005 0,56 / 0,00028 0,9 / 0,000522 – 0,8 / 0,00041435 0,6 / 0,00042 0,10 / 0,00010 1,2 / 0,00094 1,9 / 0,00158 – 1,6 / 0,0012938 0,8 / 0,00073 0,20 / 0,00026 1,8 / 0,0017 2,8 / 0,00303 – 2,4 / 0,0024742 1,1 / 0,00123 0,25 / 0,00040 2,4 / 0,0029 3,6 / 0,00482 – 3,1 / 0,0040950 1,7 / 0,00291 0,46 / 0,0010 4,0 / 0,0068 6,2 / 0,0118 – 5,1 / 0,0093260 1,9 / 0,00378 0,40 / 0,0012 4,2 / 0,0087 6,0 / 0,0141 5,8 / 0,0138 5,3 / 0,012070 2,8 / 0,00714 0,42 / 0,0016 6,0 / 0,016 8,6 / 0,0253 8,2 / 0,0242 7,5 / 0,021480 4,1 / 0,0134 0,72 / 0,0037 9,0 / 0,031 12,6 / 0,0476 12,0 / 0,0458 11,1 / 0,041085 5,1 / 0,0195 1,0 / 0,0065 11,2 / 0,046 16,2 / 0,0734 15,5 / 0,0711 14,8 / 0,065090 6,2 / 0,0282 2,3 / 0,0162 14,7 / 0,073 22,0 / 0,121 21,3 / 0,119 20,1 / 0,108

105 7,6 / 0,0414 2,2 / 0,0180 17,4 / 0,101 25,8 / 0,165 24,6 / 0,159 23,1 / 0,145115 12,0 / 0,0899 4,0 / 0,0433 27,9 / 0,223 42,8 / 0,381 41,2 / 0,372 38,3 / 0,333135 19,0 / 0,187 7,3 / 0,105 45,1 / 0,478 71,3 / 0,835 – –136 16,8 / 0,153 7,9 / 0,113 41,4 / 0,419

Depending on Depending on

–156 20,2 / 0,217 11,9 / 0,200 52,2 / 0,634

distance dimension E distance dimension E

–166 30,0 / 0,373 12,3 / 0,255 72,3 / 1,001 –186 42,0 / 0,629 12,7 / 0,318 96,7/ 1,576 –206 55,1 / 1,004 18,2 / 0,548 128,3 / 2,556 –246 85,9 / 2,229 31,2 / 1,304 203,1 / 5,762 –286 145,1 / 4,977 44,4 / 2,495 334,4 / 12,449 –336 223,9 / 10,486 64,2 / 4,74 512,0 / 25,712 –138 16,2 / 0,145 9,9 / 0,143 42,3 / 0,433 –158 19,5 / 0,205 14,9 / 0,252 54,0 / 0,662 –168 29,4 / 0,360 15,2 / 0,318 74,0 / 1,038 –188 41,7/ 0,611 15,6 / 0,396 99,0 / 1,618 –208 54,1 / 0,971 22,4 / 0,680 130,5 / 2,622 –248 84,0 / 2,144 38,2 / 1,605 206,2 / 5,893 –288 142,5 / 4,823 53,8 / 3,056 338,8 / 12,702 –338 220,1 / 10,18 78,0 / 5,817 518,2 / 26,177 –


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Technical data

Cylindrical bores

1) Hubs with max. bore

Backlash-free shaft-hub connections without feather key

Clamping ring hub type 6.0 (clamping screws inside)

Type with CLAMPEX® element type 603Clamping ring hub type (clamping screws outside)

Selection: In case of use in hazardous areas the clamping ring hubs must be selected in a way that there is a minimum safety factor of s = 2 between the peak torque (including all operating parameters) and the nominal torque and frictional torque of engagement of the coupling.

170

RADEX®-N Types NN, NANA 1, NANA 2

SizeMaximum finish bore Dimensions [mm]

d1/d2 D DA l1/l2 LG1 E1 LG2 E2 LG3 E320 20 32 56 20 45 5 100 60 – –25 25 40 68 25 56 6 110 60 – –35 35 54 82 40 86 6 150 70 – –38 38 58 94 45 98 8 170 80 – –42 42 68 104 45 100 10 170 80 – –50 50 78 126 55 121 11 206 96 – –60 60 88 138 55 121 11 206 96 170 6070 70 102 156 65 141 11 246 116 200 7080 80 117 179 75 164 14 286 136 233 8385 85 123 191 80 175 15 300 140 246 8690 90 132 210 80 175 15 300 140 251 91

105 105 147 225 90 200 20 340 160 281 101115 115 163 265 100 223 23 370 170 309 109135 135 184 305 135 297 27 520 250 – –136 135 180 300 135 293 23156 150 195 325 150 327 27166 165 225 350 165 361 31186 180 250 380 185 401 31206 200 275 420 200 437 37246 240 320 500 240 524 44286 280 383 567 280 612 52336 330 445 660 330 718 58 acc. to customer’s request

138 135 180 300 135 293 23

158 150 195 325 150 327 27168 165 225 350 165 361 31188 180 250 380 185 401 31208 200 275 420 200 437 37248 240 320 500 240 524 44288 280 383 567 280 612 52338 330 445 660 330 718 58

RADEX®-N 60 NANA 1 Ø50 Ø60

Coupling size Type Finish bore d1 Finish bore d2

280


Components


Ordering example:

radeX®-n nn, nana 1 and nana 2 Steel lamina couplings

Standard types

Type NN Type NANA 1 Type NANA 2

171

RADEX®-N Types NENA 1, NENE 1, NENA 2, NNZ

SizeMaximum finish bore Dimensions [mm]d1/d2 d3/d4 D D1 DA l1/l2 LG4 E4 LG5 E5 LG6 E6 LG9 E9

20 20 – 32 – 56 20 – – – – – – 58 1825 25 – 40 – 68 25 – – – – – – 70 2035 35 – 54 – 82 40 – – – – – – 102 2238 38 – 58 – 94 45 – – – – – – 118 2842 42 – 68 – 104 45 – – – – – – 124 3450 50 – 78 – 126 55 – – – – – – 144 3460 60 55 88 77 138 55 160 50 114 4. 124 14 144 3470 70 65 102 90 156 65 190 60 134 4. 144 14 166 3680 80 75 117 104 179 75 220 70 154 4. 167 17 – –85 85 80 123 112 191 80 232 72 164 4. 178 18 – –90 90 85 132 119 210 80 233 73 166 6 184 24 – –

105 105 90 147 128 225 90 263 83 186 6 204 24 – –115 115 100 163 145 265 100 288 88 206 6 227 27 – –

RADEX®-N 60 NENA 1 Ø50 Ø60

Coupling size Type Finish bore d1 Finish bore d2

280


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Components


Ordering example:

radeX®-n nena 1, nena 2, nene 1 and nnZ Steel lamina couplings

Standard types

Type NENA 1 Type NENE 1

Type NENA 2Type NNZ

172

RADEX®-N Types NANA 4, NNZ and NNW

SizeMaximum finish bore Dimensions [mm]

d1/d2 D DA l1/l2 LG7 E7 LG8 E820 20 32 56 2025 25 40 68 2535 35 54 82 4038 38 58 94 4542 42 68 104 4550 50 78 126 5560 60 88 138 5570 70 102 156 6580 80 117 179 7585 85 123 191 8090 90 132 210 80

105 105 147 225 90115 115 163 265 100135 135 184 305 135136 135 180 300 135156 150 195 325 150166 165 225 350 165186 180 250 380 185206 200 275 420 200246 240 320 500 240286 280 383 567 280336 330 445 660 300138 135 180 300 135158 150 195 325 150168 165 225 350 165188 180 250 380 185208 200 275 420 200248 240 320 500 240288 280 383 567 280338 330 445 660 300

RADEX®-N 60 NANA 4 Ø50 Ø60 2500

Coupling size Type Finish bore d1 Finish bore d2 Shaft distance dimension

280


Components


Ordering example:

radeX®-n nana 4 and nnW Steel lamina couplings

Customized types

L G7

= E

7 +

l 1 +

l 2

L G8

= E

8 +

l 1 +

l 2

Type NANA 4 Type NNWIn

term

edia

te s

haft

dim

ensi

on a

ccor

ding

to c

usto

mer

’s s

peci

ficat

ion

Inte

rmed

iate

sha

ft di

men

sion

acc

ordi

ng to

cus

tom

er’s

spe

cific

atio

n

173

RADEX®-N Type NANA 4 CFK

SizeTorque 1) [Nm] Dimensions [mm]

TKN TK max DA d1/d2 max. D l1/l2 E1 DBSE LtptalComposite

tube DRMax. DBSE2)

with 1500 rpm70 800 1600 149 70 102 65 11 95 350085 1800 3600 184 85 123 80 15 117 390090 2500 5000 200 90 135 80 15 128 4100

115 4500 9000 253 115 163 100 23 160 4600

RADEX®-N 85 NANA 4 CFK Ø60 Ø70 3000


80


RIG

IFLE

X®-H

PR

IGIF

LEX

®-N

RA

DE

X®-N

Components


Ordering example:

radeX®-n composite Steel lamina couplings

Corrosion-resistant type for big shaft distance dimensions

l 1 +

l 2 +

D

BS

E

acc.

to

cust

omer

’s

spec

ifica

-tio

ns

1) For selection of coupling see page 14 et seqq.2) For higher speeds or bigger shaft distance dimensions please consult with KTR’s engineering department (+49 5971 798-484). The above-mentioned characteristic figures (e. g. max. DBSE) can be varied by Composite tubes optimized for the application, if necessary.

Particularly the steel lamina couplings are well suited for applications with especially large distance dimensions between the drive and the driven side (e. g. cooling towers, ventilators etc.) due to their design. In order to be able to realize high speeds with large distance dimensions, RADEX®-N couplings with intermediate shafts made of glass fiber or carbon fiber reinforced nylon (GRP or CFRP) are used, if necessary.

RADEX®-N Type NANA 3

SizeMax. finish bore Dimensions [mm] Perm. displacements

d D DA EStandard 1) l1/l2 Angle [°] each lamina Axial [mm]

42 42 68 104 100 45 1,0 2,850 50 78 126 140/180 55 1,0 3,260 60 88 138 100/140/180/250 55 1,0 2,070 70 102 156 100/140/180 65 1,0 2,280 80 117 179 100/140/180/250 75 1,0 2,685 85 123 191 100/140/180/250 80 1,0 2,390 90 132 210 140/180/250 80 1,0 2,0

105 105 147 225 250 90 1,0 2,4115 115 163 265 250 100 1,0 2,8135 135 184 305 250 135 1,0 3,5136 135 180 300 135 0,7 3,7156 150 195 325 150 0,7 4,2166 165 225 350 165 0,7 4,5186 180 250 380 185 0,7 4,8206 200 275 420 200 0,7 5,2246 240 320 500 240 0,7 6,0286 280 383 567 280 0,7 6,7336 330 445 660 330 0,7 7,5138 135 180 300 135 0,5 2,6158 150 195 325 150 0,5 2,8168 165 225 350 165 0,5 3,0188 180 250 380 185 0,5 3,2208 200 275 420 200 0,5 3,5248 240 320 500 240 0,5 4,0288 280 383 567 280 0,5 4,5338 330 445 660 330 0,5 5,0

RADEX®-N 60 NANA 3 Ø50 Ø60 140


174

280610



Ordering example:

radeX®-n nana 3 Steel lamina couplings

Pump drives according to API 610

1) Other distance dimensions E available on request.

acc. to customer’s specifications


RIG

IFLE

X®-H

PR

IGIF

LEX

®-N

RA

DE

X®-NComponents

Safety gear of the spacer:The lamina sets have a sleeve in order to secure the spacer if the lamina breaks.

Detail “X”

Documents

RADEX -NC Servo lamina couplings - Robotek Ltd. · As an all-metal coupling - the laminas are made of stainless steel - RADEX ... cat. 2) must be selected such that there is a minimum