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Single Disc Couplings Set Screw Type

Single Disc Couplings Set Screw Type
  • Volume Discount
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

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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
Dimensions
 
Material table
TypePart Material Surface Treatment Accessories
E-LMCPSSHubAluminum AlloyClear AnodizeSet Screws
Disk·ScrewStainless 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·-d1-d2
E-LMCPSS26-8-10
E-LMCPSS39-10-15
 
Part No.d1、d2 Shat Hole Dia.(d1≤d2)L
TypeD
E-LMCPSS19＊3＊4＊566.3578              20
26  ＊566.357899.525101112         26
32  ＊566.35 899.52510111212.7141516     28
34  ＊566.35 899.52510111212.7141516     32
39      899.52510111212.71415161718   34.5
44      899.52510111212.7141516171819202234.5
d1, d2* size products without keyway holes.
 
Part No.LFSet ScrewRated Torque
(N·m)		Mass
(g)
TypeDMTightening torque  N.m
E-LMCPSS19204.4M2.51.2117
26265.7M41.71.523
32286.1M41.7250
34327.1M41.7365
3934.57.5M54680
4434.57.5M549155
 
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
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 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 the allowable value.
30
45
60
  1. 1
Part Number
E-LMCPSS26-[5,​6,​6.35,​7,​8,​9,​9.525,​10,​11,​12]-[5,​6,​6.35,​7,​8,​9,​9.525,​10,​11,​12]
E-LMCPSS32-[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-LMCPSS34-[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-LMCPSS39
E-LMCPSS44
Part NumberMinimum order quantityVolume DiscountDays to Ship外径D
(Ø) 		全长L
(mm) 		Allowable Torque
(N•m) 		Allowable Axial Misalignment
(mm) 		Moment of Inertia
(kg･m2)
1 Piece(s) 10 Day(s) 26261.5±0.141.8×10-6
1 Piece(s) 10 Day(s) 32282±0.187.1×10-6
1 Piece(s) 10 Day(s) 34323±0.188.0×10-6
1 Piece(s)Available 10 Day(s) 3934.56±0.232.2×10-5
1 Piece(s)Available 10 Day(s) 4434.59±0.272.8×10-5

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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
Allowable Lateral Misalignment(mm) 0.1 Product Category Coupling Main Body Max. Rotational Speed(r/min) 10000
Disc Material Stainless Steel Single/Double Single Disc Shaft Tightening Method Set Screw
Shaft Hole Shape Standard

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Specification/Dimensions

  • 外径D(Ø)

    • 26
    • 32
    • 34
    • 39
    • 44

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  • 全长L(mm)

    • 26
    • 28
    • 32
    • 34.5

    Clear

  • Allowable Torque(N•m)

    • 1.5
    • 2
    • 3
    • 6
    • 9

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  • type

    • E-LMCPSS

    Clear

Days to Ship

    • All
    • 10 Day(s) or Less

    Clear

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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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