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Oldham Couplings Set Screw Type (GCOLK25-8-8)

Oldham Couplings Set Screw Type (GCOLK25-8-8)
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      207,456VND/Unit
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Product Description

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

[Features/Characteristics]
The middle of the coupling is connected with a cross slider, which can be disassembled freely. Large radial and angular deviations are allowed.

Coupling Product Overview

Summary Coupling
■ Features: The quality and performance are the same as those of previous products, thus realizing low-cost supply. It can replace CPOC and CPO.
 

Coupling Product Feature

The Coupling quality and performance are the same as those of previous products, thus realizing low-cost supply. It can replace CPOC and CPO.
 

Dimensional Coupling Drawing

Product Drawings (Unit: mm)
 
【Economic type】Cross Coupling: Related image
【Economic type】Cross Coupling: Related image
 
Typ [M] Material [S] Surface Treatment [A] Accessories
Body Spacer Fastening Bolt Set Screw Body Lock screw Set Screw
Aluminum Polyacetal SCM435 Alumite Treatment Ferroferric Oxide Protective Film Fastening Bolt
Set Screw

[ ! ] Service temperature: -20℃ to 80℃
[ ! ] In order to obtain a larger allowable angular misalignment, this product is designed exclusively by MISUMI. For details, please refer to the shape of the protruding part of the adjusting ring GCOCS.
 

Coupling Specification Table

Type D d1, d2 selection (But d1≤d2) d3 L t F A Set Screw·Fastening Bolt
M Tightening Torque
(N·m)
16     5 6             7 29 12.5 4 3 5 M2.5 1
20       6 6.35 8         9 33 14 5 6.5
25         6.35 8 10       11 39 16.5 6 3.8 9 M3 1.5
32           8 10 11 12 14 14.5 45 19 7 4.5 11 M4 2.5
16 3 4 5 6 6.35           7 18 7 4 3.5 M3 0.7
20   4 5 6 6.35 8         9 23 9 5 4.5 M4 1.7
25     5 6 6.35 8 10       11 28 11 6 5.5 M5 4
32           8 10   12 14 14.5 33 13 7 6.5 M6 7
[ ! ] d1 and d2* marked products without keyway hole.
■The Coupling Characteristic Value
Type D Allowable torque
(N·m)
Allowable Angular Misalignment
(°)
Allowable lateral misalignment
(mm)
Maximum rotational speed
(r/pm)
Moment of inertia
(kg·m3)
Weight
(g)
16 0.7 3 1.0 10000 4.4×107 11
20 1.2 1.5 1.2×106 20
25 2.0 2.0 3.3×106 37
32 4.5 2.5 1.4×106 70
16 0.7 3 1.0 10000 2.2×107 6
20 1.2 1.5 6.9×107 13
25 2.0 2.0 2.1×106 23
32 4.5 2.5 6.5×106 45
[ ! ] Moment of inertia and weight are the values at the maximum shaft dia..

Example of Use Coupling

Coupling Overview·Features
(Economic type) Cross Coupling Clamping type Example of use

Coupling Precautions

■Precautions for use Coupling
(Economic type) Cross Coupling Clamping type Precautions

Coupling Usage Method

●Coupling usage method
(Economic type) Cross Coupling Clamping type Usage method

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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Part Number
GCOLK25-8-8
Part NumberPriceMinimum Order Qty.Volume DiscountDays to ShipSố ngày giao hàngShaft 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 Lateral Misalignment
(mm)
Allowable Lateral Misalignment Range
(mm)
Moment of Inertia
(kg・m2)
Shaft Bore Shape

237,532 VND

1 Piece(s) Available Same day 8825281.01~3.00221.1~3.02.1×10-6Keywayed Bore (d1 Side)

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  1. 1

Basic InformationThông tin cơ bản

Series Name Oldham Application Standard Features High Torque Type
Allowable Misalignment Angular Misalignment / Eccentricity Max. Rotational Speed Range(r/min) 4001~10000 Body Material Aluminum Alloy
Allowable Angular Misalignment(deg) 3 Product Category Coupling Main Body Max. Rotational Speed(r/min) 10000
Buffer Material Polyacetal Operating Temperature(°C) -20::80 Shaft Tightening Method Set Screw

Please check the type/dimensions/specifications of the part GCOLK25-8-8 in the Oldham Couplings Set Screw Type series.Vui lòng kiểm tra kiểu/kích thước/thông số kỹ thuật của phần GCOLK25-8-8 trong chuỗi Oldham Couplings Set Screw Type.

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: What are the types of MISUMI couplings?
Answer:Answer: There are disc type, grooved type, cross type, claw type, bellows type, rigid type and universal joint type.
Question:Question: How to select coupling according to motor?
Answer:Answer: Disc type is recommended for servo motors, grooved type is recommended for stepping motors, and cross type is recommended for universal motors.
Question:Question: How to select according to the purpose, environment, working conditions?
Answer:Answer: Please refer to the MISUMI website.
Question:Question: What kind of coupling should be used when the angular misalignment is very large?
Answer:Answer: Please select the universal joint with allowable angular misalignment of 30 degrees. In addition, when grease cannot be applied regularly, use a rubber sleeve to fill grease and use it.
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: How much is appropriate to insert the shaft into the coupling during installation?
Answer:Answer: Please select the length of the main body (coupling part) described in the product catalog. If the insertion amount is too short, the shaft may slip and the clamping part may be damaged; If the insertion amount is too long, it will be damaged due to shaft interference inside the coupling.
Question:Question: Why is it necessary to install a protection cover around the coupling?
Answer:Answer: Due to high-speed rotation, accidental contact may result in injury or entanglement of gloves, towels, etc. In addition, for some reasons, parts may be damaged or debris may be scattered. Therefore, be sure to install the safety protection cover.
Question:Question: What should I do if there is no matching shaft bore diameter?
Answer:Answer: Please select a product with changeable keyway width or available with keyway processing. MISUMI products are divided into MCSLCWK series (disc type), CPOC series (cross type) and MMJN series (claw type), etc.
Question:Question: Is it a defective product that has difference in groove gap width?
Answer:Answer: Since the difference is within the dimensional tolerance range, there is no problem.

Check other FAQ (7 items) HideĐóng.

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Allowable Torque Range
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Allowable Lateral Misalignment
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Allowable Lateral Misalignment Range
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Moment of Inertia
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