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Double Disc Couplings Clamping Type

Double Disc Couplings Clamping Type
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Product Description

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

Product Overview
Disc coupling is made of several sets of discs (stainless steel sheet) bolted staggered with two coupling halves, each set of discs by several pieces of stacked set.
The disc coupling relies on the elastic deformation of the disc to compensate for the relative displacement of the two shafts connected, is a high-performance flexible coupling with strong metal components.
It is characterized by compact structure, zero backlash, high strength, long service life, no rotating clearance, unaffected by temperature and oil, acid and alkali resistant and corrosion resistant.
Applicable motor types: Recommended for servo motors, stepper motors and general motors.
Dimensional Drawing
Clamping Type
Drawing
 
Material table
TypePart Material Surface Treatment Accessory
E-LMCPWHubAluminum AlloyClear AnodizeHex Socket Clamp Screw
DiscStainless Steel-
Specification Table
Please follow the selection steps~ to select the part no. Please specify the shaft hole diameter within the range of d1≤d2.
Part No.(Type·D)-d1-d2
E-LMCPW12-3-5
E-LMCPW20-4-6
 
Part No.d1d2Shaft Hole Dia.(d1≤d2)
TypeD
E-LMCPW12345                           
163456                          
1934566.3578                       
2034566.3578                       
26  566.357899.525101112 14                
29  566.357899.525101112 14                
32  566.35 899.52510111212.71415               
33  566.35 899.52510111212.7141516              
34  566.35 899.52510111212.7141516              
39      899.52510111212.7141516171819           
44      899.52510111212.71415161718192022         
56         10 12 14151617181920222425283032    
68           12 141516171819202224252830323538  
82                1718192022242528303235384042
d1, d2* size products without keyway holes.
 
Part No.LFClam ScrewTightening torque
(N·m)
Allowable Axial Misalignment
(mm)
Static Torsional Spring Constant
(N·m/rad)
Maximum Rotational Speed
(r/min)
Compensation CoefficientMass
(g)
TypeDMTightening torque N.m
E-LMCPW1215.92.2M1.60.23~0.280.250.031331000013.7
16232.6M20.4~0.50.60.0525510000110
19273.2M2.5110.1270010000114
2028.83.2M2.5110.1055010000119
26354M31.520.15185010000137
2934.34M31.520.15120010000143
32414M31.560.17285010000167
33404M31.560.20150010000160
34455M43.560.17405010000177
39505.2M43.5130.229000100001118
44505.2M43.5150.2210000100001144
56646.3M58280.2725000100001318
68757.7M613600.313500090001492
82989.8M8281000.5570000800011013
 
Alterations
 
Shaft Hole Dia.
d1 · d2
b(Keyway Width)t
Keyway Depth
Keyway Nominal Dim.
b X h
LKRK
6 ~ 7.92212x2
8~10331.43x3
11~12441.84x4
13~17552.35x5
18~22662.86x6
23~30883.38x7
31~3810103.310x8
39~4412123.312x8
Product Features
■Main characteristics of Disc Couplings
1. Strong capability to compensate for misalignment of two shafts, offering twice the angular displacement compared to Jaw couplings, lower reactionary forces during radial displacement, high flexibility, and allows for certain axial, radial, and angular displacements.
2. Provides significant vibration damping effects, operates without noise, and wear-free.
3. Can safely operate under conditions of shock and vibration.
4. High transmission efficiency, up to 99.86%, particularly suitable for medium and high-speed, high-power transmission.
5. Simple structure, lightweight, small volume, and convenient for assembly and disassembly. Installation and removal can be done without moving the machine (refers to the type with an intermediate shaft) and does not require lubrication.
6. Can accurately transmit rotational speed, operates without slip, suitable for the transmission of precision machinery.
Example of Use
Example of Use
Precautions
■Calibration adjustment
1. The coupling allows transmission of axis deviation, rotation angle and torque, but if the axis deviation exceeds the allowable value, vibration may occur or the lifespan will be drastically reduced. Please be sure to make corrections.
2. Axial deviation includes eccentricity (parallel error of two axes), declination (angular error of two axes), and axial amplitude (axial movement of the axes).
Perform calibration adjustment for the shaft so that the shaft center deviation is below the allowable value specified in the product dimensions and performance table.
3. The axial deviation tolerance values ​​stated in the dimensions and performance tables refer to the situation when one of eccentricity, declination, and axial amplitude occurs individually. If two or more axial deviations occur simultaneously, the respective allowable values ​​are reduced by half.
4. Axial deviation not only occurs when assembling the device, but is also a major cause of vibration, thermal expansion, and bearing wear during operation.
It is recommended that the axis deviation be set to less than 1/3 of the allowable value.
Part Number
E-LMCPW12-[3,​4,​5]-[3,​4,​5]
E-LMCPW16-[3,​4,​5,​6]-[3,​4,​5,​6]
E-LMCPW19-[3,​4,​5,​6,​6.35,​7,​8]-[3,​4,​5,​6,​6.35,​7,​8]
E-LMCPW20-[3,​4,​5,​6,​6.35,​7,​8]-[3,​4,​5,​6,​6.35,​7,​8]
E-LMCPW26-[5,​6,​6.35,​7,​8,​9,​9.525,​10,​11,​12,​13,​14]-[5,​6,​6.35,​7,​8,​9,​9.525,​10,​11,​12,​13,​14]
E-LMCPW29-[5,​6,​6.35,​7,​8,​9,​9.525,​10,​11,​12,​14]-[5,​6,​6.35,​7,​8,​9,​9.525,​10,​11,​12,​14]
E-LMCPW32-[5,​6,​6.35,​7,​8,​9,​9.525,​10,​11,​12,​12.7,​14,​15]-[5,​6,​6.35,​7,​8,​9,​9.525,​10,​11,​12,​12.7,​14,​15]
E-LMCPW33-[5,​6,​6.35,​7,​8,​9,​9.525,​10,​11,​12,​12.7,​13,​14,​15]-[5,​6,​6.35,​7,​8,​9,​9.525,​10,​11,​12,​12.7,​13,​14,​15]
E-LMCPW34-[5,​6,​6.35,​7,​8,​9,​9.525,​10,​11,​12,​12.7,​14,​15,​16]-[5,​6,​6.35,​7,​8,​9,​9.525,​10,​11,​12,​12.7,​14,​15,​16]
E-LMCPW39-[8,​9,​9.525,​10,​11,​12,​12.7,​14,​15,​16,​17,​18,​19]-[8,​9,​9.525,​10,​11,​12,​12.7,​14,​15,​16,​17,​18,​19]
E-LMCPW44-[8,​9,​9.525,​10,​11,​12,​12.7,​14,​15,​16,​17,​18,​19,​20,​22,​24]-[8,​9,​9.525,​10,​11,​12,​12.7,​14,​15,​16,​17,​18,​19,​20,​22,​24]
E-LMCPW56-[10,​12,​14,​15,​16,​17,​18,​19,​20,​22,​24,​25,​28,​30,​32]-[10,​12,​14,​15,​16,​17,​18,​19,​20,​22,​24,​25,​28,​30,​32]
E-LMCPW68-[12,​14,​15,​16,​17,​18,​19,​20,​22,​24,​25,​28,​30,​32,​35,​38]-[12,​14,​15,​16,​17,​18,​19,​20,​22,​24,​25,​28,​30,​32,​35,​38]
E-LMCPW82-[17,​18,​19,​20,​22,​24,​25,​28,​30,​32,​35,​38,​40,​42]-[17,​18,​19,​20,​22,​24,​25,​28,​30,​32,​35,​38,​40,​42]
Part NumberPriceMinimum Order Qty.Volume DiscountDays to ShipSố ngày giao hàng轴孔经(加工完毕)d1
(Ø)
轴孔经(加工完毕)d2
(Ø)
外径D
(Ø)
全长L
(mm)
Allowable Torque
(N•m)
Allowable Lateral Misalignment
(mm)
Max. Rotational Speed
(r/min)
Allowable Axial Misalignment
(mm)
Moment of Inertia
(kg・m2)

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2 Piece(s) 8 Day(s) 3 ~ 53 ~ 51215.90.250.0310000±0.087.67×10-8

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2 Piece(s) 8 Day(s) 3 ~ 63 ~ 616230.60.0510000±0.13.58×10-7

-

2 Piece(s) 8 Day(s) 3 ~ 83 ~ 8192710.1210000±0.189.1×10-7

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2 Piece(s) 8 Day(s) 3 ~ 83 ~ 82028.810.110000±0.201.1×10-6

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2 Piece(s) 8 Day(s) 5 ~ 145 ~ 14263520.1510000±0.303.0×10-6

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2 Piece(s) 8 Day(s) 5 ~ 145 ~ 142934.320.1510000±0.305.5×10-6

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2 Piece(s) 8 Day(s) 5 ~ 155 ~ 15324160.1710000±0.367.6×10-6

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1 Piece(s) 8 Day(s) 5 ~ 155 ~ 15334060.210000±0.401.1×10-5

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2 Piece(s) 8 Day(s) 5 ~ 165 ~ 16344560.1710000±0.369.0×10-6

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2 Piece(s) 8 Day(s) 8 ~ 198 ~ 193950130.2210000±0.453.0×10-5

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2 Piece(s) 8 Day(s) 8 ~ 248 ~ 244450150.2210000±0.543.8×10-5

-

2 Piece(s) 8 Day(s) 10 ~ 3210 ~ 325664280.2710000±0.721.6×10-5

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2 Piece(s) 8 Day(s) 12 ~ 3812 ~ 386875600.319000±0.802.0×10-4

-

2 Piece(s) 8 Day(s) 17 ~ 4217 ~ 4282981000.558000±0.802.5×10-4

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  1. 1

Basic InformationThông tin cơ bản

Series Name Disc Application For Servo Motors / Stepping Motor Features High Torsional Rigidity / High Torque Type
Allowable Misalignment Angular Misalignment / Eccentricity / Axial Misalignment Body Material Aluminum Alloy Product Category Coupling Main Body
Disc Material Stainless Steel Single/Double Double Disc Shaft Tightening Method Fastening Bolt
Shaft Hole Shape Standard

Frequently asked question (FAQ)FAQ

Question:Question: What is a coupling?
Answer: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.
Question:Question: Which disc type coupling is better, single disc type or double disc type?
Answer:Answer: Double disc type can absorb angular misalignment and lateral misalignment, but the total length will increase.
Although the total length of the single disc type is short, it is only suitable for applications with narrow space because lateral misalignment is not allowed in the structure.
Special attention should be paid to centering during use.
Question:Question: Abnormal sound or vibration occurs during use of disc type coupling.
Answer:Answer: When a servo motor is used, the frequency of the mechanical resonance suppression filter is set as its inherent vibration frequency in the control system to suppress sound and vibration.
When using a stepping motor, the rotational speed can be finely adjusted, or the vibration can be absorbed and suppressed by the high damping rubber type coupling with obvious attenuation effect.
Question:Question: How to achieve the effect of applicable lateral misalignment and angular misalignment in product design?
Answer:Answer: The plate spring formed by the slit allows lateral misalignment, angular misalignment and end play.
Question:Question: What does the product need for applications of lateral misalignment and angular misalignment?
Answer:Answer: Lateral misalignment, angular misalignment and axial amplitude are all single allowable values. If there are multiple deviations at the same time, the allowable value of each deviation will be reduced to 1/2 of the original value.

Check other FAQ (2 items) HideĐóng.