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Jaw Couplings Clamping Type

Jaw Couplings Clamping Type
Check FAQ of this product (4 items)

MISUMI

MiSUMi Economy

MISUMI

This is an economy item, The price is cheaper than the MISUMI standard product.

Part Number

Configured Part Number is shown.

Product Overview
・Jaw coupling is composed of 2 metal jaw disks in the coupling part and 1 elastomer resin adjustment ring.
・The resin adjustment ring can alleviate the inertial load impact during start and stop.
・Easy to disassemble and assemble.
・Recommended for stepper motors and general-purpose motors.
Dimensional Drawing
E-LMPJC
尺寸图
 
・Material table
Parts Material Surface Treatment Accessory
HubAluminum AlloyClear AnodizedClamp Screw
SpacerPolyurethane-
Specification Table
Please follow the selection steps～ to select the part no.
Part No.(Type·DL)-d1-d2
E-LMPJC20L25
E-LMPJC20L30
E-LMPJC30L35		-
-
-		5
7
7		-
-
-		6
8
9
 
Unit：mm
Part No.d1、d2  Shaft Hole dia (d1≤d2)LFLPF
TypeDL
E-LMPJC20L25 4566.357899.52510                      16.68.64.0
20L30 4566.357899.52510                      19.18.65.3
25L30  566.357899.52510111212.71314                 20.511.65.6
25L34  566.357899.52510111212.71314                 22.511.65.6
30L35  566.357899.52510111212.713141516               22.510.95.75
30L40  566.357899.52510111212.713141516               2510.97
35L50      899.52510111212.71314151617181920           3011.510
40L40      899.52510111212.71314151617181920              
40L50      899.52510111212.7131415161718192022          31.113.710
40L55      899.52510111212.7131415161718192022          33.613.710
40L66      899.52510111212.7131415161718192022          39.113.712.75
55L78           1212.713141516171819202224252830      46.216.115.5
65L90              141516171819202224252830323538   52.916.718.1
80L114                   192022242528303235384042456722.515.5
95L1262022242528303235384042455055                  74.524.020.0
105L140202224252830323538404245505560                 83.226.420.0
120L160   25283032353840424550556065707580             93.727.425.0


■Characteristic Values
Part No.Rated Torque
（N·m）		Angular Misalignment
（ ° ）		Lateral Misalignment
（mm）		Static Torsional Spring Constant
（N·m/rad）		Max. Rotational Speed
（r/min）		Moment of Inertia
（kg·m2）		Allowable Axial Misalignment
（mm）		Clamp ScrewMass
g
TypeD LMTightening Torque
(N.m)
E-LMPJC
20L252.810.0255170001.0x10-6±0.6M31.515
20L3010.0255170001.1x10-6±0.6M43.519
25L30610.0265160005.2x10-6±0.6M43.533
25L3410.0265160005.2x10-6±0.6M43.542
30L356.510.0272120006.2x10-6±0.6M43.550
30L4010.0272120006.2x10-6±0.6M4860
35L501510.02200100008.1x10-6±0.6M5845
40L403210.02450100003.8x10-5±0.8115
40L5010.02450100003.8x10-5±0.8115
40L5510.02500100003.8x10-5±0.8127
40L6610.02550100003.9x10-5±0.8154
55L784610.02150080001.6x10-3±0.8M613341
65L9010910.02280060003.8x10-3±0.8M828583
80L11413510.02350046001.8x10-3±1.0M8281000
95L12625010.02500038001.8x10-3±1.0M10401500
105L14042010.02540034003.1x10-3±1.0M12752000
120L16052010.02650030004.3x10-3±1.0M12752500
The allowable torque varies with temperature.
Press the adjustment ring into the body to assemble.
Press Spacer to the body when install.
 
 
Shaft Bore Dia.
d1·d2		b(Keyway Width)t
Keyway Depth		Keyway Nominal Dim.
b X h
LKRK
8~10331.43x3
11~12441.84x4
13~17552.35x5
18~22662.86x6
23~30883.38x7
31~3810103.310x8
39~4412123.312x8
45~5014143.814x9
51~5816164.316x10
59~6518184.418x11
66~7520204.920x12
76~8522225.422x14
86~9525255.425x14
Product Features
The characteristics of Jaw Coupling are as follows:
It has a simple structure, no lubrication required / easy to repair and inspect / maintenance-free. It can operated continuously for a long time.
Polyurethane elastic parts are wear-resistant and oil-resistant, have large load capacity, long service life, and are safe and reliable.
This product is suitable for medium and high-speed applications.
Usage Method
■Mounting method
STEP1 Insert the coupling
Confirm that the clamping bolt has been unscrewed, and then remove the dust, foreign matter and oil from the shaft and coupling bore.
Then, when inserting the coupling into the shaft, please be careful not to put the disc under excessive stress such as compression or tension.
STEP2 Use fixture to adjust
Please use fixture to adjust and fix the concentricity of the left and right hubs of the coupling with high accuracy.
STEP3 Simple lateral misalignment and angular misalignment confirmation
Under the condition of unscrewed bolts, make the coupling slide axially and confirm its smooth movement.
Then, rotate the coupling to make sure it moves smoothly.
Lateral misalignment is not allowed for single disc type coupling, so carry out positioning securely.
Usage Method
STEP4 Installation
Please adjust the shaft insertion amount according to the dimension ℓ in the product catalog, and use a torque wrench to tighten with the specified torque.
＊ If the specified torque cannot be reached once, please cross fasten the left and right clamps twice or three times.
Example of Use
Example of Use
Use example of coupling 1: motor × gear box
Example of Use
Use example of coupling 3: motor × encoder
Example of Use
Use example of coupling 2: motor × ball screw
Example of Use
Use example of coupling 4: motor × measuring tester
Precautions
■ Calibration and adjustment
1. The coupling allows axis deviation, and transmits rotation angle and torque, but when the axis deviation exceeds the allowable value, vibration will occur or the service life will be drastically reduced. Be sure to make calibration and adjustment.
2. Axis deviation includes lateral misalignment (parallel error of two axes), angular misalignment (angular error of two axes) and axial amplitude (axial movement of shaft).
Please calibrate and adjust the shaft to ensure that the axis deviation is below the allowable value recorded in the dimension and performance table of each product.
3. The allowable value of axis deviation recorded in the dimension and performance table refers to the situation when either lateral misalignment, angular misalignment or axial amplitude occurs alone. When more than two axis deviations occur at the same time, the corresponding allowable values are halved respectively.
4. Axis deviation not only occurs when assembling to the device, but also is caused by vibration, thermal expansion and bearing wear in operation. Therefore, it is recommended to set the axis deviation below 1/3 of the allowable value.
30
45
60
  1. 1
Part Number
E-LMPJC20L25-[4,​5,​6,​6.35,​7,​8,​9,​9.525,​10]-[4,​5,​6,​6.35,​7,​8,​9,​9.525,​10]
E-LMPJC20L30-[4,​5,​6,​6.35,​7,​8,​9,​9.525,​10]-[4,​5,​6,​6.35,​7,​8,​9,​9.525,​10]
E-LMPJC25L30-[5,​6,​6.35,​7,​8,​9,​9.525,​10,​11,​12,​12.7,​13,​14]-[5,​6,​6.35,​7,​8,​9,​9.525,​10,​11,​12,​12.7,​13,​14]
E-LMPJC25L35-[5,​6,​6.35,​7,​8,​9,​9.525,​10,​11,​12,​12.7,​13,​14]-[5,​6,​6.35,​7,​8,​9,​9.525,​10,​11,​12,​12.7,​13,​14]
E-LMPJC30L35-[5,​6,​6.35,​7,​8,​9,​9.525,​10,​11,​12,​12.7,​13,​14,​15,​16]-[5,​6,​6.35,​7,​8,​9,​9.525,​10,​11,​12,​12.7,​13,​14,​15,​16]
E-LMPJC30L40-[5,​6,​6.35,​7,​8,​9,​9.525,​10,​11,​12,​12.7,​13,​14,​15,​16]-[5,​6,​6.35,​7,​8,​9,​9.525,​10,​11,​12,​12.7,​13,​14,​15,​16]
E-LMPJC35L50-[8,​9,​9.525,​10,​11,​12,​12.7,​13,​14,​15,​16,​17,​18,​19,​20]-[8,​9,​9.525,​10,​11,​12,​12.7,​13,​14,​15,​16,​17,​18,​19,​20]
E-LMPJC40L40-[8,​9,​9.525,​10,​11,​12,​12.7,​13,​14,​15,​16,​17,​18,​19,​20,​22]-[8,​9,​9.525,​10,​11,​12,​12.7,​13,​14,​15,​16,​17,​18,​19,​20,​22]
E-LMPJC40L50-[7,​8,​9,​9.525,​10,​11,​12,​12.7,​13,​14,​15,​16,​17,​18,​19,​20,​22]-[7,​8,​9,​9.525,​10,​11,​12,​12.7,​13,​14,​15,​16,​17,​18,​19,​20,​22]
E-LMPJC40L55-[7,​8,​9,​9.525,​10,​11,​12,​12.7,​13,​14,​15,​16,​17,​18,​19,​20,​22]-[7,​8,​9,​9.525,​10,​11,​12,​12.7,​13,​14,​15,​16,​17,​18,​19,​20,​22]
E-LMPJC40L66-[7,​8,​9,​9.525,​10,​11,​12,​12.7,​13,​14,​15,​16,​17,​18,​19,​20,​22]-[7,​8,​9,​9.525,​10,​11,​12,​12.7,​13,​14,​15,​16,​17,​18,​19,​20,​22]
E-LMPJC55L78-[12,​12.7,​13,​14,​15,​16,​17,​18,​19,​20,​22,​24,​25,​28,​30]-[12,​12.7,​13,​14,​15,​16,​17,​18,​19,​20,​22,​24,​25,​28,​30]
E-LMPJC65L90-[14,​15,​16,​17,​18,​19,​20,​22,​24,​25,​28,​30,​32,​35,​38]-[14,​15,​16,​17,​18,​19,​20,​22,​24,​25,​28,​30,​32,​35,​38]
E-LMPJC80L114-[19,​20,​22,​24,​25,​28,​30,​32,​35,​38,​40,​42,​45]-[19,​20,​22,​24,​25,​28,​30,​32,​35,​38,​40,​42,​45]
E-LMPJC95L126-[20,​22,​24,​25,​28,​30,​32,​35,​38,​40,​42,​45,​50,​55]-[20,​22,​24,​25,​28,​30,​32,​35,​38,​40,​42,​45,​50,​55]
E-LMPJC105L140-[20,​22,​24,​25,​28,​30,​32,​35,​38,​40,​42,​45,​50,​55,​60]-[20,​22,​24,​25,​28,​30,​32,​35,​38,​40,​42,​45,​50,​55,​60]
E-LMPJC120L135-[25,​28,​30,​32,​35,​38,​40,​42,​45,​50,​55,​60,​65,​70,​75,​80]-[25,​28,​30,​32,​35,​38,​40,​42,​45,​50,​55,​60,​65,​70,​75,​80]
Part NumberMinimum order quantityVolume DiscountDays to Ship外径D
(Ø) 		全长L
(mm)
1 Piece(s) 10 Day(s) 2025
1 Piece(s) 10 Day(s) 2030
1 Piece(s) 10 Day(s) 2530
1 Piece(s) 10 Day(s) 2534
1 Piece(s) 10 Day(s) 3035
1 Piece(s) 10 Day(s) 3040
1 Piece(s) 10 Day(s) 3550
1 Piece(s) 10 Day(s) 4040
1 Piece(s) 10 Day(s) 4050
1 Piece(s) 10 Day(s) 4055
1 Piece(s) 10 Day(s) 4066
1 Piece(s) 10 Day(s) 5578
1 Piece(s) 10 Day(s) 6590
1 Piece(s) 10 Day(s) 80114
1 Piece(s) 10 Day(s) 95126
1 Piece(s) 10 Day(s) 105140
1 Piece(s) 10 Day(s) 120160

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  1. 1

Basic Information

Series Name Jaw Application Standard / For Servo Motors / Stepping Motor Features High Torque Type / Low Moment of Inertia / Vibration Insulation
Allowable Misalignment Angular Misalignment / Eccentricity / Axial Misalignment Body Material Aluminum Alloy Product Category Coupling Main Body
Buffer Material Polyurethane Operating Temperature(°C) -20::60 Shaft Tightening Method Fastening Bolt
Shaft Hole Shape Standard

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Specification/Dimensions

  • 外径D(Ø)

    • 20
    • 25
    • 30
    • 35
    • 40
    • 55
    • 65
    • 80
    • 95
    • 105
    • 120

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  • 全长L(mm)

    • 25
    • 30
    • 34
    • 35
    • 40
    • 50
    • 55
    • 66
    • 78
    • 90
    • 114
    • 126
    • 140
    • 160

    Clear

  • type

    • E-LMPJC

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Days to Ship

    • All
    • 10 Day(s) or Less

    Clear

Specify Alterations

Frequently asked question (FAQ)

Question: What are the characteristics of claw couplings?
Answer: Claw couplings can absorb vibration, compensate radial and angular deviation, and are maintenance free, oil resistant and electrically insulated.
Question: What are the applications of claw couplings?
Answer: Applicable motor types for claw couplings: recommended for stepping motors and universal motors.
Question: How to select according to the purpose, environment, working conditions?
Answer: Please refer to the link page for specific instructions. https://www.misumi.com.cn/special/coupling/select/situation/
Question: What is a coupling?
Answer: A coupling is a part that connects two different rotating bodies (motor shaft, ball screw, etc.) and aims at transmitting torque. The load of assembly adjustment is reduced by absorbing the axis deviation (lateral misalignment, angular misalignment and axial amplitude) between rotating bodies. And in case of accidental overload, the coupling is destroyed and the rotating bodies are disconnected to protect the expensive power part and the whole device.

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