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Slit couplings / hub clamping / cross slot / body: aluminium, stainless steel (Part Numbers - CAD Download)

Slit couplings / hub clamping / cross slot / body: aluminium, stainless steel

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Back to the Category Shaft Couplings

Technical Drawing - Claw Couplings

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Available dimensions and tolerances can be found under the tab More information.

Basic Properties (e.g., material, hardness, coating, tolerance) - Claw Couplings

Type Material Surface Treatment Accessory
CPLCN, CPSCNAluminum AlloyClear AnodizeHex Socket Head Cap Screw
CPLSC, CPSSCStainless Steel-

Further specifications can be found under the tab More information.

Composition of a Product Code - Claw Couplings

Part Number-Shaft Bore Dia. d1-Shaft Bore Dia. d2
CPLCN16-5-6

Alterations - Claw Couplings

Couplings/Slit/Clamping:Related Image

General Information - Claw Couplings

Shaft coupling - compensation coupling - Oldham coupling - slit coupling - chain coupling - disc coupling - bellow coupling - product assortment

 

Shaft Coupling Selection Details

- Material: aluminum, aluminum alloy, steel, stainless steel, plastic

- Coupling buffer material: polyacetal, polyurethane, nylon, aluminum bronze, carbon fibre reinforced polymer (CFRP)

- Disc material: stainless steel, polyimide, carbon fibre (carbon)

- Fastening: hub clamping, half shell clamping, threaded pin clamping, clamping sleeve, keyway

- Design: slit coupling, disc coupling (servo coupling), Oldham coupling, dog coupling, jaw coupling, bellow coupling, metal bellow coupling, elastomer coupling

- ISO tolerances: H8

- Shaft diameter: 1 to 45 mm

- Outer diameter: 6 to 95 mm

- Length: 8.4 to 100 mm

- Offset: angle offset, radial offset, axial offset

Design Overview

 

Description/Basics

A shaft coupling, also called a compensating coupling, is generally used for the transmission of torque for mechanical engineering. Flexible shaft couplings (non-rigid) can compensate for lateral, axial and angular offsets (misalignment). Therefore, these are common connecting elements between motors and axles/shafts or even ball screws.

There are various types of designs, such as the jaw couplings, disc couplings (servo couplings), slit couplings, bellow couplings, Oldham couplings and many others, which are selected depending on the type of misalignment. You can determine which design is the right one for transmission in your application with the Coupling Selection Method available as a PDF.

When the shaft coupling is professionally installed, the transmission of rotational forces should be slip-free. To do this, the appropriate shaft coupling must be selected depending on the application. Here, it is important to observe the degree of misalignment, the maximum speed of rotation and the permissible torque of the compensation coupling and not to exceed these values during operation. If several misalignments occur at the same time, it is recommended to reduce the maximum value of the specified misalignment by approximately half.

The most commonly used elastomer coupling is the jaw coupling, which consists of a plastic buffer with damping properties. As a result, shocks and vibrations in a drive system can be damped, which protects adjacent components in the transmission of force. Our product range offers you alternative materials for the elastomers. These include among others aluminum bronze and carbon fibre-reinforced plastic.

The different shaft connections on the compensation couplings allow various connection variants for assembly. For this purpose, hub clamping, half shell clamping, slot clamping, threaded pin clamping, chip sleeve and keyways are available.
If a keyway is selected for a MISUMI shaft coupling, it is recommended obtaining the MISUMI machine key, as it is best to combine these.

A shaft coupling can be used for precise positioning. These are often combined together with slide screws or ball screws. A disc clutch (servo coupling) is suitable for this application, since it has a high torsional rigidity.

In addition to the standardized diameter of the shaft bore, MISUMI offers the option LDC and RDC, which allows the drill diameter to be adjusted to the shaft end in 0.1 mm increments.

 

Application Examples - Claw Couplings

Application example: shaft coupling - disc coupling with servo motor - disc coupling with ball screw drive - shaft clutch with servo motor - shaft clutch with ball screw drive

Shaft coupling with servo motor and ball screw
(1) Servo motor, (2) disc coupling (servo coupling), (3) ball screw

Application example: shaft coupling with encoder - shaft coupling with bearing housing - slit coupling with encoder - slit coupling with bearing housing -

Slit coupling with encoder
(1) Bearing with housing, (2) shaft coupling, (3) motor, (4) axles/shafts

Application example - Performance test stand with shaft coupling - Oldham coupling with engine - test stand with Oldham coupling

Engine test stand with Oldham coupling
(1) X-axis positioning stage, (2) performance test station, (3) shaft coupling, (4) brackets, L-shaped

Application example: synchronous pulley with shaft coupling - shaft coupling with motor and gearbox

Shaft coupling with motor and gearbox
(1) Motor, (2) Shaft coupling, (3) Conversion/Reducing gears, (4) Timing pulleys / Idlers

 

Industrial Applications

3D printer industry
Automotive industry
Pharmaceutical industry
Packaging industry

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Part Number
CPSSC25-LDC[6.35,​9.525]-RDC[5-10/0.5]
CPSSC25-LDC[6.35,​9.525]-RDC[6.35,​9.525]
CPSSC32-[8,​10,​12]-[8,​10,​12,​14]
CPSSC32-[8,​10,​12]-RDC[6.35,​9.525,​12.7]
CPSSC32-[8,​10,​12]-RDC[8-14/0.5]
CPSSC32-LDC[6.35,​9.525,​12.7]-[8,​10,​12,​14]
CPSSC32-LDC[6.35,​9.525,​12.7]-RDC[6.35,​9.525,​12.7]
CPSSC32-LDC[6.35,​9.525,​12.7]-RDC[8-14/0.5]
CPSSC32-LDC[8-14/0.5]-[8,​10,​12,​14]
CPSSC32-LDC[8-14/0.5]-RDC[6.35,​9.525,​12.7]
CPSSC32-LDC[8-14/0.5]-RDC[8-14/0.5]
Part Number
Standard Unit Price
Minimum order quantityVolume Discount
Standard
Shipping Days
?
RoHSAllowable Misalignment Allowable Torque Range
(N•m) 		Shaft Bore Dia. 1 d1 (or d)
(mm) 		Shaft Bore Dia. 2 d2 (or d)
(mm) 		O.D. D
(mm) 		Overall Length
(mm) 		Body Material Allowable Torque
(Nm) 		Max. Rotational Speed
(r/min) 		Allowable Lateral Misalignment Range
(mm) 		Allowable Lateral Misalignment
(mm) 		Allowable Angular Misalignment
(deg) 		Allowable Axial Misalignment
(mm) 		Moment of Inertia
(kg･m2) 		Normal/Short Shaft I.D. d1 Change Hole Dia. [LDC] Specified in 0.1mm Increment Shaft I.D. d2 Change Hole Dia. [RDC] Specified in 0.1mm Increment

-

1 7 Days 10Angular Misalignment / Axial Misalignment1.01 to 3.00--2525[Stainless Steel] Stainless Steel225000--1+0.2/-0.26.3x10-6Short-5 ～ 10

-

1 7 Days 10Angular Misalignment / Axial Misalignment1.01 to 3.00--2525[Stainless Steel] Stainless Steel225000--1+0.2/-0.26.3x10-6Short-6.35 ～ 9.525

-

1 7 Days 10Angular Misalignment / Axial Misalignment3.01 to 5.008 ～ 128 ～ 143232[Stainless Steel] Stainless Steel3.519000--1+0.2/-0.22.2x10-5Short--

-

1 7 Days 10Angular Misalignment / Axial Misalignment3.01 to 5.008 ～ 12-3232[Stainless Steel] Stainless Steel3.519000--1+0.2/-0.22.2x10-5Short-6.35 ～ 12.7

-

1 7 Days 10Angular Misalignment / Axial Misalignment3.01 to 5.008 ～ 12-3232[Stainless Steel] Stainless Steel3.519000--1+0.2/-0.22.2x10-5Short-8 ～ 14

-

1 7 Days 10Angular Misalignment / Axial Misalignment3.01 to 5.00-8 ～ 143232[Stainless Steel] Stainless Steel3.519000--1+0.2/-0.22.2x10-5Short--

-

1 7 Days 10Angular Misalignment / Axial Misalignment3.01 to 5.00--3232[Stainless Steel] Stainless Steel3.519000--1+0.2/-0.22.2x10-5Short-6.35 ～ 12.7

-

1 7 Days 10Angular Misalignment / Axial Misalignment3.01 to 5.00--3232[Stainless Steel] Stainless Steel3.519000--1+0.2/-0.22.2x10-5Short-8 ～ 14

-

1 7 Days 10Angular Misalignment / Axial Misalignment3.01 to 5.00-8 ～ 143232[Stainless Steel] Stainless Steel3.519000--1+0.2/-0.22.2x10-5Short8 ～ 14-

-

1 7 Days 10Angular Misalignment / Axial Misalignment3.01 to 5.00--3232[Stainless Steel] Stainless Steel3.519000--1+0.2/-0.22.2x10-5Short8 ～ 146.35 ～ 12.7

-

1 7 Days 10Angular Misalignment / Axial Misalignment3.01 to 5.00--3232[Stainless Steel] Stainless Steel3.519000--1+0.2/-0.22.2x10-5Short8 ～ 148 ～ 14

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Back to the Category Shaft Couplings

Technical Drawing - Claw Couplings

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Specification Tables - Claw Couplings

Part Numberd1d2LℓM (Coarse)AFSlip Torque
(N • m)		Unit Price
TypeDCPLCN
CPLSC		CPSCN
CPSSC		CPLCN
CPLSC		CPSCN
CPSSC		CPLCN
CPLSC		CPSCN
CPSSC		CPLSCCPSSCCPLCNCPLSCCPSCNCPSSC
CPLCN
(Aluminum)

CPLSC
(Stainless Steel)

CPSCN
(Aluminum)

CPSSC
(Stainless Steel)		12*4*4*5           18.514 5 5.2M242.52.6--    
*5 *5           
16*5 *5*6          2318 6.5 6.8M2.553.253.4--    
*6  *6          
20*5  *66.35 *8       2620 7.5 7.656.53.753.8-0.9    
*6  *66.357*8       -
6.35     8       
*8     *8       
25*5  *6          3125 8.5 9.6M394.254.80.71.2    
*6  *66.35 *8 *10     0.71.4
6.35     8 10     0.9-
*8     *89.525*10     1.71.9
9.525       10     --
*10       *10     
32*8     *89.525*10 12   41321212.6M41166.31.21.9    
9.525       10 12   2.12.4
*10       *1011*1214  2.73.4
*12         *12*14  2.9-
408     8 10     56-17-M5148.5---  --
10       10     
12         1214  
14          14 16
15           15 
16            16
CPSCN and CPSSC are available in * marked sizes only. When slip torque is less than the allowable torque, use within slip torque.
 
Part NumberAllowable Torque
(N • m)		Max. Rotational Speed (r/min)Moment of Inertia
(kg • m2)		Static Torsional Spring Constant (N • m/rad)Lateral Misalignment (mm)Angular Misalignment (°)Allowable Axial Misalignment (mm)Screw Tightening Torque
(N • m)		Mass (g)
TypeD
CPLCN
(Aluminum)		120.4520007.8x10-8450.102±0.30.53.6
160.5390003.4x10-780±0.419.2
201310009.1x10-717016
252250002.6x10-63800.15±0.51.528
324190009.7x10-65002.564
408150003.3x10-57000.204140
 
Part NumberAllowable Torque
(N • m)		Max. Rotational Speed (r/min)Moment of Inertia
(kg • m2)		Static Torsional Spring Constant (N • m/rad)Angular Misalignment (°)Allowable Axial Misalignment (mm)Screw Tightening Torque
(N • m)		Mass (g)
TypeD
CPSCN
(Aluminum)		120.4520006.4x10-8801±0.10.53
160.5390002.9x10-7180±0.218
201310007.5x10-720013
252250002.3x10-67801.525
324190008.1x10-611002.553
CPSCN does not allow eccentricity.
 
Part NumberAllowable Torque
(N • m)		Max. Rotational Speed (r/min)Moment of Inertia
(kg • m2)		Static Torsional Spring Constant (N • m/rad)Lateral Misalignment (mm)Angular Misalignment (°)Allowable Axial Misalignment (mm)Screw Tightening Torque
(N • m)		Mass (g)
TypeD
CPLSC
(Stainless Steel)		120.3520002.2x10-7640.102±0.20.510
160.5390009.0x10-785±0.3125
201310002.5x10-625043
252250007.1x10-63300.15±0.41.578
323.5190002.7x10-5850±0.52.5170
408150009.0x10-510000.204370
 
Part NumberAllowable Torque
(N • m)		Max. Rotational Speed (r/min)Moment of Inertia
(kg • m2)		Static Torsional Spring Constant (N • m/rad)Angular Misalignment (°)Allowable Axial Misalignment (mm)Screw Tightening Torque
(N • m)		Mass (g)
TypeD
CPSSC
(Stainless Steel)		120.3520001.8x10-71401±0.10.58.5
160.5390007.8x10-7240121
201310002.1x10-633038
252250006.3x10-6720±0.21.569
323.5190002.2x10-513002.5150
CPSSC does not allow eccentricity.

 

Alterations - Claw Couplings

Couplings/Slit/Clamping:Related Image
 

Basic information

Series Name With Slit Application Standard Max. Rotational Speed Range(r/min) 10,001 to 78,000
Features Zero Backlash / Low Moment of Inertia Category Coupling Main Body

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Basic Attributes

  • Allowable Misalignment

    • Angular Misalignment
    • Eccentricity
    • Axial Misalignment

    Clear

  • Allowable Torque Range(N•m)

    • 0.05 to 1.00
    • 1.01 to 3.00
    • 3.01 to 5.00
    • 5.01 to 10.00

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  • Shaft Bore Dia. 1 d1 (or d)(mm)

    • 4
    • 5
    • 6
    • 6.35
    • 8
    • 9.525
    • 10
    • 12
    • 14
    • 15
    • 16

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  • Shaft Bore Dia. 2 d2 (or d)(mm)

    • 4
    • 5
    • 6
    • 6.35
    • 7
    • 8
    • 9.525
    • 10
    • 11
    • 12
    • 14
    • 15
    • 16

    Clear

  • O.D. D(mm)

    • 12
    • 16
    • 20
    • 25
    • 32
    • 40

    Clear

  • Overall Length(mm)

    • 14
    • 18
    • 18.5
    • 20
    • 23
    • 25
    • 26
    • 31
    • 32
    • 41
    • 56

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  • Body Material

    • Stainless Steel
      • Stainless Steel
    • Aluminum
      • Aluminum

    Clear

  • Allowable Torque(Nm)

    • 0.3
    • 0.4
    • 0.5
    • 1
    • 2
    • 3.5
    • 4
    • 8

    Clear

  • Max. Rotational Speed(r/min)

    • 15000
    • 19000
    • 25000
    • 31000
    • 39000
    • 52000

    Clear

  • Allowable Lateral Misalignment Range(mm)

    • 0.02 to 0.2

    Clear

  • Allowable Lateral Misalignment(mm)

    • 0.1
    • 0.15
    • 0.2

    Clear

  • Allowable Angular Misalignment(deg)

    • 1
    • 2

    Clear

  • Normal/Short

    • Short
    • Standard

    Clear

  • Shaft I.D. d1 Change Hole Dia. [LDC] Specified in 0.1mm Increment

     [4-14/0.5]

    Clear

  • Shaft I.D. d2 Change Hole Dia. [RDC] Specified in 0.1mm Increment

    • 6.35
    • 9.525
    • 12.7

     [4-14/0.5]

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  • Type

    • CPLCN
    • CPLSC
    • CPSCN
    • CPSSC

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  • Filter by CAD data type

    • 2D
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    • 7 Days or Less

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Optional Attributes

Frequently Asked Questions (FAQ)

Question:

Can a claw coupling compensate for an angle?
Answer:

As a rule, a claw coupling can compensate for an angular offset. How large this angle may be depends on the respective claw coupling. Here, it is recommended to always refer to the technical information in the data sheet. If there are other misalignments, there is a possibility that the amount of the compensation will be reduced depending on the coupling type. There are notes on this for the shaft couplings.
Question:

Which coupling is suitable for a servo motor?
Answer:

A disc coupling can be used with a servo motor application. These have a good torsion rigidity, which is necessary for applications with alternating direction of rotation. These couplings are often used in positioning applications. Here, it is recommended to assume the peak torque of the servo motor and to use the compensation factor found on the product page as safety. The permissible torque of the shaft coupling should be higher than the determined value.
Question:

What temperature can an elastomeric clutch withstand?
Answer:

The temperatures that a claw coupling or Oldham coupling with elastomer buffer can withstand depend on the material used. The permissible temperature is noted for the respective product. However, when designing the shaft coupling, the temperature correction factor should be taken into account in the calculation. You can find it in the shaft coupling selection procedure as a PDF.

Question:

Which coupling compensates for a high angular offset?
Answer:

A metal bellow coupling can be a possible variant in the case of a high angle offset. This variant of a shaft coupling can compensate an angular offset of up to approx. 2°. This is made possible by the flexible bellow coupling.

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