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Double Disc Couplings Set Screw Type (Part Numbers)

Double Disc Couplings Set Screw Type
Check FAQ of this product (5 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 of Flexible Shaft Couplings

Flexible Shaft Couplings 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 Flexible Shaft Couplings 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 of Flexible Shaft Couplings

Set Screw Type
Flexible Shaft Couplings
 
Material table
TypePartFlexible Shaft Couplings MaterialFlexible Shaft Couplings Surface TreatmentFlexible Shaft Couplings Accessory
E-LMCPSWHubAluminum AlloyClear AnodizeSet Screw
ScrewStainless Steel-

Specification Table of Flexible Shaft Couplings

Flexible Shaft Couplings, Please follow the selection stepsFlexible Shaft Couplings～Flexible Shaft Couplingsto select the part no. Please specify the shaft hole diameterwithin the range of d1≤d2.
Part No.(Flexible Shaft CouplingsType·Flexible Shaft CouplingsD)-Flexible Shaft Couplingsd1-Flexible Shaft Couplingsd2
E-LMCPSW26-5-10
E-LMCPSW39-11-18
 
Part No.Flexible Shaft Couplingsd1、Flexible Shaft Couplingsd2 Shaft Hole Dia.(d1≤d2)L
Flexible Shaft CouplingsTypeFlexible Shaft CouplingsD
E-LMCPSW19＊3＊4＊566.3578             27
26  ＊566.357899.525101112 14      35
32  ＊566.35 899.52510111212.71415     41
34  ＊566.35 899.52510111212.7141516    45
39      899.52510111212.71415161718  50
44      899.52510111212.71415161718192050
d1, d2* size products without keyway holes.
 
Part No.LFSet ScrewRated Torque
(N·m)		Allowable Axial Misalignment
(m·m)		Static Torsional Spring Constant
(N·m/rad)		Maximum Rotational Speed
(r/min)		Compensation CoefficientMass
(g)
TypeDMTightening torque  N.m
E-LMCPSW19274.4M2.51.210.1270010000119
26355.7M41.71.50.15185010000129
32416.1M41.720.17285010000160
34457.1M41.730.17405010000169
39507.5M5460.229000100001101
44507.5M5490.2210000100001190
 

Alterations of Flexible Shaft Couplings

AlterationsAlterations
 
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

Product Features of Flexible Shaft Couplings

■Main characteristics of Flexible Shaft 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 Use of Flexible Shaft Couplings

Example of Use

Precautions of Flexible Shaft Couplings

■Calibration adjustment of Flexible Shaft Couplings
1. The coupling allows shaft center deviation and transmits rotation angle and torque. However, when the shaft center deviation exceeds the allowable value, vibration will occur or the service life will be drastically reduced.
2. Axis deviation includes eccentricity (parallel error of two axes), declination (angular error of two axes), and axial amplitude (axial movement of the shaft).
Please calibrate and adjust the shaft to ensure that the axis center deviation is below the allowable value stated in the dimensions and performance table of each product.
3. The allowable value of axial misalignment stated in the dimensions and performance table refers to the situation when one of eccentricity, declination, or axial amplitude occurs alone.
When more than two axis deviations occur at the same time, the corresponding allowable values ​​will be halved respectively.
4. Axial misalignment not only occurs when assembling to the device, but also occurs due to vibration, thermal expansion, bearing wear, etc. during operation. Therefore, it is recommended to set the axis deviation to less than 1/3 of theallowable value.
30
60
90
  1. 1
Part Number
E-LMCPSW19-[3,​4,​5,​6,​6.35,​7,​8]-[3,​4,​5,​6,​6.35,​7,​8]
E-LMCPSW26-[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-LMCPSW32-[5,​6,​6.35,​8,​9,​9.525,​10,​11,​12,​12.7,​14,​15]-[5,​6,​6.35,​8,​9,​9.525,​10,​11,​12,​12.7,​14,​15]
E-LMCPSW34-[5,​6,​6.35,​8,​9,​9.525,​10,​11,​12,​12.7,​14,​15,​16]-[5,​6,​6.35,​8,​9,​9.525,​10,​11,​12,​12.7,​14,​15,​16]
E-LMCPSW39-[8,​9,​9.525,​10,​11,​12,​12.7,​14,​15,​16,​17,​18]-[8,​9,​9.525,​10,​11,​12,​12.7,​14,​15,​16,​17,​18]
E-LMCPSW44-[8,​9,​9.525,​10,​11,​12,​12.7,​14,​15,​16,​17,​18,​19,​20]-[8,​9,​9.525,​10,​11,​12,​12.7,​14,​15,​16,​17,​18,​19,​20]
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipShaft Bore Dia.1 d1 (or d)
(Ø) 		Shaft Bore Dia. 2 d2 (or d)
(Ø) 		O.D.
(Ø) 		Overall Length
(mm) 		Allowable Torque
(N•m) 		Allowable Lateral Misalignment
(mm) 		Allowable Axial Misalignment
(mm) 		Moment of Inertia
(kg･m2)

-

1 Piece(s) 11 Day(s) 3 ～ 83 ～ 8192710.12±0.188.8x10-7

-

1 Piece(s) 10 Day(s) 5 ～ 145 ～ 1426351.50.15±0.302.8×10-6

-

1 Piece(s) 10 Day(s) 5 ～ 155 ～ 15324120.17±0.367.6×10-6

-

1 Piece(s) 10 Day(s) 5 ～ 165 ～ 16344530.17±0.369.0×10-6

-

1 Piece(s) 15 Day(s) 8 ～ 188 ～ 18395060.22±0.452.7×10-5

-

1 Piece(s) 10 Day(s) 8 ～ 208 ～ 20445090.22±0.544.2×10-5

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  1. 1

Basic Information

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 Allowable Angular Misalignment(deg) 1.5
Product Category Coupling Main Body Max. Rotational Speed(r/min) 10000 Disc Material Stainless Steel
Single/Double Double Disc Shaft Tightening Method Set Screw Shaft Hole Shape Standard

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Specification/Dimensions

  • Shaft Bore Dia.1 d1 (or d)(Ø)

    • 3
    • 4
    • 5
    • 6
    • 6.35
    • 7
    • 8
    • 9
    • 9.525
    • 10
    • 11
    • 12
    • 12.7
    • 14
    • 15
    • 16
    • 17
    • 18
    • 19
    • 20

    Clear

  • Shaft Bore Dia. 2 d2 (or d)(Ø)

    • 3
    • 4
    • 5
    • 6
    • 6.35
    • 7
    • 8
    • 9
    • 9.525
    • 10
    • 11
    • 12
    • 12.7
    • 14
    • 15
    • 16
    • 17
    • 18
    • 19
    • 20

    Clear

  • O.D.(Ø)

    • 19
    • 26
    • 32
    • 34
    • 39
    • 44

    Clear

  • Overall Length(mm)

    • 27
    • 35
    • 41
    • 45
    • 50

    Clear

  • Allowable Torque(N•m)

    • 1
    • 1.5
    • 2
    • 3
    • 6
    • 9

    Clear

  • Allowable Lateral Misalignment(mm)

    • 0.12
    • 0.15
    • 0.17
    • 0.22

    Clear

  • type

    • E-LMCPSW

    Clear

Days to Ship

    • All
    • 10 Day(s) or Less
    • 11 Day(s) or Less
    • 15 Day(s) or Less

    Clear

Specify Alterations

Frequently asked question (FAQ)

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.
Question: Which disc type coupling is better, single disc type or double disc type?
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: Abnormal sound or vibration occurs during use of disc type coupling.
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: How to achieve the effect of applicable lateral misalignment and angular misalignment in product design?
Answer: The plate spring formed by the slit allows lateral misalignment, angular misalignment and end play.
Question: What does the product need for applications of lateral misalignment and angular misalignment?
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.

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