Which disc type coupling is better, single disc type or double disc type?

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.

Abnormal sound or vibration occurs during use of disc type coupling.

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.

How to select according to the purpose, environment, working conditions?

Please refer to the MISUMI website.

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Part Number CompleteĐã hoàn thành

C-SCPW28-6-6

Shaft Bore Dia. 1 d1 (or d) Shaft Bore Dia. 2 d2 (or d) O.D. Overall Length Allowable Torque Allowable Angular Misalignment Allowable Lateral Misalignment Allowable Lateral Misalignment Range type Allowable Torque Range CAD Days to Ship

Specification/DimensionsĐặc điểm kỹ thuật / Kích thướcĐặc điểm kỹ thuật / Kích thước

Shaft Bore Dia. 1 d1 (or d)(Ø)
4

5

6

6.35

8

10

11

12

14

15

16

17

19

20

22

24

25
ClearTrống
Shaft Bore Dia. 2 d2 (or d)(Ø)
4

5

6

6.35

8

10

11

12

14

15

16

17

19

20

22

24

25
ClearTrống
O.D.(Ø)
16.6

21

28

34

46

54.5
ClearTrống
Overall Length(mm)
23

24.5

32.2

35

44

55
ClearTrống
Allowable Torque(N•m)
0.5

1

1.5

4

10

25
ClearTrống
Allowable Angular Misalignment(deg)
1

1.2

1.5
ClearTrống
Allowable Lateral Misalignment(mm)
0.1

0.15

0.2

0.25
ClearTrống
Allowable Lateral Misalignment Range(mm)
0.02~0.2

0.21~0.40
ClearTrống
type
- C-SCPW
ClearTrống
Allowable Torque Range(N•m)
0.05~1.00

1.01~3.00

3.01~5.00

5.01~10.00

20.01~50.00
ClearTrống
CADCAD
- 2D
- 3D
ClearTrống

Days to ShipSố ngày giao hàng

Alltất cả các

Same day

8 Day(s) or Less

9 Day(s) or Less
ClearTrống

Specify AlterationsChỉ định thay đổi

Disc Couplings High Regidity Double Disc, Clamping Type

Name: Disc Couplings High Regidity Double Disc, Clamping Type
Brand: MISUMI
Availability: PreOrder

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Until 31/12/2024
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MISUMI

Part Number :

C-SCPW28-6-6

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Product Description

· C-SCPW series Disc Couplings High Rigidity Double Disc, Clamping Type
· Type of Coupling: C-SCPW.
· Applicable motor types: recommended for servo motors, stepping motors.
· Maximum Rotational Speed Range: 4001 ~ 10000 (r/min).
· Maximum Rotational Speed: 10000 (r/min).
· Allowable Angular Misalignment: 1.0, 1.2 and 1.5°
· Disc Type: Double Discs.
· Body material: Aluminum Alloy.
· Disc material: Stainless Steel.
· Lock bolt: Steel SCM435 surface treatment Ferro ferric Oxide Protective Film.
· Operating for working in high temperature -80 to 300 °C
· Accessories: Hex socket bolt (Clamping bolt).

Economy Double Disc Coupling

High rigidityClamping typeFlexible

- High torsional rigidity and zero backlash ensure precision in servo motor operations

- Made from durable aluminum alloy and stainless steel for extended lifespan

- Capable of operating in high temperatures within specified range

- Simple clamping type installation makes setup quick and easy

- Allows for angular, lateral, and axial misalignment, enhancing flexibility

MISUMI Standard

Cheaper Price

Product Variety

3D CAD
3D CAD Support

Coupling Product Overview

The disc coupling is composed of several groups of discs (stainless steel thin plates) that are interlaced with two halves of the coupling with bolts, and each group of discs is formed by stacking several pieces.
The disc coupling relies on the elastic deformation of the disc to compensate for the relative displacement of the connected two shafts, which is a high-performance flexible coupling with strong metal components.
It is characterized by compact structure, no backlash, high strength, long service life, no rotation clearance, no influence of temperature and oil pollution, acid resistance, alkali resistance and corrosion resistance.
Applicable motor types: recommended for servo motors, stepping motors and general motors.

Coupling Product Feature

■ Main characteristics of disc coupling
1. Strong ability to compensate for misalignment between two axes. Compared with tooth coupling, angular displacement can be doubled. In case of radial displacement, reaction force is small, flexibility is large, and certain axial, radial and angular displacements are allowed.
2. It has obvious shock absorption, no noise and no wear.
3. Suitable for working in high temperature (-80+300) and harsh environment, and operate safely under shock and vibration conditions.
4. High transmission efficiency, up to 99.86%. Especially suitable for medium, high speed and high power transmission.
5. Simple structure, light weight, small in size and convenient assembly and disassembly. It can be assembled and disassembled without moving the machine (models with intermediate shaft), and requiring no lubrication.
6. It can accurately transmit the rotational speed without slip, and can be used for transmission of precision machinery

Dimensional Coupling Drawing

The rigidity is comparable to the high rigidity SCPW of previous products, and the cost is greatly reduced. The surface has not been oxidized, which may be rough.
(Economic type) Disc type coupling High flexibility clamping type (Double disc type) Servo motor applicable type Dimensional drawing

(Economic type) Disc type coupling High flexibility clamping type (Double disc type) Servo motor applicable type Dimensional drawing

Type	Parts	Material	Surface Treatment	Accessories
C－SCPW	Body	Aluminum	－	Hex socket bolt (Clamping bolt)
	Disc	Stainless Steel	－
	Lock Bolt	SCM435	Ferroferric Oxide Protective Film

Coupling Specifications Overview

Specification Table
Please order after selecting part number and parameters according to the selection steps

Part Number (Type·No.)	－	d₁	－	d₂
C－SCPW34	－	10	－	14

Part Number		d₁, d₂ selection (But d₁_≤d₂)																	D	d₃	L	ℓ	F	A	Fastening Bolt
Type	No.	d₁, d₂ selection (But d₁_≤d₂)																	D	d₃	L	ℓ	F	A	M	Tightening torque (N·m)
C－SCPW	16	4	5	6															16.6	6.5	23	7.2	3	5.3	M2.6	1.0
	21	4	5	6		8													21	9.5	24.5	7	3.5	7	M2.6	1.2
	28			6	6.35	8	10												28	12	32.2	9	4	9.5	M3	1.7
	34			6	6.35	8	10	11	12	14									34	15	35	9.8	5	12	M3	1.7
	46					8	10	11	12	14	15	16	17	19					46	22	44	12.6	6	16.5	M4	4.1
	55								12	14	15	16	17	19	20	22	24	25	54.5	26	55	16	7	20.5	M5	8.2

■Characteristic Value

Part Number		Allowable torque (N·m)	Allowable Angular Misalignment (°)	Allowable lateral misalignment (mm)	Static torsional stiffness (N·m/rad)	Maximum Rotational Speed (r/min)	Moment of inertia (kg·m²)	Allowable axial amplitude (mm)	Compensation coefficient	Weight (g)
Type	No.
C－SCPW	16	0.5	1.0	0.10	500	10000	4.22×10^－7	±0.20	1.5	11
	21	1.0			800		1.11×10^－6			17
	28	1.5	1.2	0.15	3000		4.68×10^－6			42
	34	4.0	1.5	0.20	4800		1.10×10^－5			65
	46	10.0		0.25	11500		4.70×10^－5	±0.30		151
	55	25.0			19000		1.19×10^－4			260

Static torsional stiffness, moment of inertia and weight are the values at the maximum shaft dia.

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.

■Shaft slip torque(N·m)

When the shaft slip torque is less than the allowable torque, please use it below the shaft slip torque.

Part Number		d₁, d₂
Type	No.	4	5	6	6.35	8	10	11	12	14	15	16	17	19	20	22	24	25
C－SCPW	16	0.5	0.5	0.5	－	－	－	－	－	－	－	－	－	－	－	－	－	－
	21	1.0	1.0	1.0	－	1.0	－	－	－	－	－	－	－	－	－	－	－	－
	28	－	－	1.5	1.5	1.5	1.5	－	－	－	－	－	－	－	－	－	－	－
	34	－	－	2.5	2.5	4.0	4.0	4.0	4.0	4.0	－	－	－	－	－	－	－	－
	46	－	－	－	－	6.0	6.0	8.0	8.0	8.0	8.0	10	10	10	－	－	－	－
	55	－	－	－	－	－	－	－	16	16	19	25	25	25	25	25	25	25

Coupling 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.

Example of Use coupling

(Economic type) Disc type coupling High flexibility clamping type (Double disc type) Servo motor applicable type Example of use

Use example of coupling 1: motor×gear box

Use example of coupling 2: motor×ball screw

Use example of coupling 3: motor×encoder

Use example of coupling 4: motor×measuring tester

Coupling 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.

Simple lateral misalignment confirmation		Simple angular misalignment confirmation

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.

Part Number

Incomplete part number.
Please use left hand selections to complete a part number.Incomplete part number.
Please use left hand selections to complete a part number.

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: 30; 45; 60

Part Number
C-SCPW28-6-6SALE
C-SCPW28-6-6.35SALE
C-SCPW28-6-8SALE
C-SCPW28-6-10SALE
C-SCPW28-6.35-6.35SALE
C-SCPW28-6.35-8SALE
C-SCPW28-6.35-10SALE
C-SCPW28-8-8SALE
C-SCPW28-8-10SALE
C-SCPW28-10-10SALE

Price	Minimum Order Qty.	Volume Discount	Days to ShipSố ngày giao hàng	Shaft Bore Dia. 1 d1 (or d) (Ø)	Shaft Bore Dia. 2 d2 (or d) (Ø)	O.D. (Ø)	Overall Length (mm)	Allowable Torque Range (N•m)	Allowable Torque (N•m)	Allowable Angular Misalignment (deg)	Allowable Lateral Misalignment (mm)	Allowable Lateral Misalignment Range (mm)	Allowable Axial Misalignment (mm)	Moment of Inertia (kg･m²)
689,670 VND 620,703 VND	1 Piece(s)	Available	9 Day(s)	6	6	28	32.2	1.01~3.00	1.5	1.2	0.15	0.02~0.2	0.2	4.68×10^-6
689,670 VND 620,703 VND	1 Piece(s)	Available	9 Day(s)	6	6.35	28	32.2	1.01~3.00	1.5	1.2	0.15	0.02~0.2	0.2	4.68×10^-6
665,676 VND 565,825 VND	1 Piece(s)	Available	Same day	6	8	28	32.2	1.01~3.00	1.5	1.2	0.15	0.02~0.2	0.2	4.68×10^-6
689,667 VND 620,700 VND	1 Piece(s)	Available	9 Day(s)	6	10	28	32.2	1.01~3.00	1.5	1.2	0.15	0.02~0.2	0.2	4.68×10^-6
689,670 VND 620,703 VND	1 Piece(s)	Available	9 Day(s)	6.35	6.35	28	32.2	1.01~3.00	1.5	1.2	0.15	0.02~0.2	0.2	4.68×10^-6
689,667 VND 586,217 VND	1 Piece(s)	Available	Same day	6.35	8	28	32.2	1.01~3.00	1.5	1.2	0.15	0.02~0.2	0.2	4.68×10^-6
689,667 VND 620,700 VND	1 Piece(s)	Available	9 Day(s)	6.35	10	28	32.2	1.01~3.00	1.5	1.2	0.15	0.02~0.2	0.2	4.68×10^-6
689,665 VND 620,699 VND	1 Piece(s)	Available	Same day	8	8	28	32.2	1.01~3.00	1.5	1.2	0.15	0.02~0.2	0.2	4.68×10^-6
689,665 VND 620,699 VND	1 Piece(s)	Available	Same day	8	10	28	32.2	1.01~3.00	1.5	1.2	0.15	0.02~0.2	0.2	4.68×10^-6
689,665 VND 586,215 VND	1 Piece(s)	Available	Same day	10	10	28	32.2	1.01~3.00	1.5	1.2	0.15	0.02~0.2	0.2	4.68×10^-6

Loading...Tải…

Basic InformationThông tin cơ bản

Series Name	Disc	Application	For Servo Motors / Stepping Motor	Features	High Torsional Rigidity / High Torque Type / Zero Backlash
Allowable Misalignment	Angular Misalignment / Eccentricity / Axial Misalignment	Max. Rotational Speed Range(r/min)	4001~10000	Body Material	Aluminum Alloy
Product Category	Coupling Main Body	Max. Rotational Speed(r/min)	10000	Disc Material	Stainless Steel
Single/Double	Double	Shaft Bore Shape	Standard Bore	Shaft Tightening Method	Fastening Bolt

The specifications and dimensions of some parts may not be fully covered. For exact details, refer toCác thông số kỹ thuật và kích thước của mã sản phẩm có thể không được bao phủ đầy đủ. Để biết chi tiết chính xác, hãy tham khảo manufacturer catalogsdanh mục nhà sản xuất ..

Frequently asked question (FAQ)FAQ

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 select according to the purpose, environment, working conditions?: Answer:Answer: Please refer to the MISUMI website.

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MISUMI Vietnam Company Limited, Legal Representative: Tomohiro Watanabe,
phone: 0222-361-1555, e-mail: [email protected], Enterprise Code: 0107514576,
Date of Issuance: 22 July 2016, Place of Issuance: Bac Ninh, Business Certificate No. 6573041568-KD dated 27 September 2016 issued by the People's Committee of Bac Ninh

Công ty TNHH MISUMI Việt Nam, Đại diện theo pháp luật: Tomohiro Watanabe,
Điện thoại: 0222-361-1555, e-mail: [email protected], Mã số doanh nghiệp: 0107514576,
ngày cấp 22/7/2016, nơi cấp: Bắc Ninh, Giấy phép kinh doanh số: 6573041568-KD ngày cấp 27/9/2016 bởi UBND tỉnh Bắc Ninh

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Specification/DimensionsĐặc điểm kỹ thuật / Kích thướcĐặc điểm kỹ thuật / Kích thước

Shaft 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 Angular Misalignment(deg)

Allowable Lateral Misalignment(mm)

Allowable Lateral Misalignment Range(mm)

type

Allowable Torque Range(N•m)

CADCAD