Couplings

Couplings are used to join two shafts together for the purpose of transmitting power.

Couplings can be either material flexing or mechanical flexing.

Typical uses for couplings are motor to pump, motor to gear box and motor to electric actuator.

Factors to consider unless you are replacing a like for like coupling are:

  • Horsepower of the motor
  • RPM
  • BSE (the distance between shaft ends
  • Operating temperature
  • Space available
  • Run cycle
  • Angular, parallel or axial misalignment handling

There are many different types of couplings available and many factors should be considered before deciding on a specific type.

Some of the types of couplings available:

General purpose, backlash free, flexible beam couplings feature multiple helical cuts and are machined from one piece material. They have 0.4 to 12 Nm nominal torque range and reduces wind-up compared to single beam coupling. Flexible beam couplings are used in a variety of motion-control applications, from aviation and lab equipment to robotics and medical devices. A common industrial application arises when a motor is connected to a pump. Factory automation equipment and other machine tools rely on flexible beam couplings to transmit power from a motor source.

Bellows couplings are made of a thin-walled, flexible metal corrugation (bellows) that is connected between two clamping hubs. They are designed to create a low inertia zero-backlash coupling which will last a long time without maintenance. Bellows couplings can accommodate all forms of misalignment and have a balanced design for reduced vibration at high speeds. Theyre best suited for applications where precise positioning is required, such as in material handling or general automation and assembly.

Jaw couplings are used within electrical motor and internal combustion systems to transmit power (torque). They are designed to connect two shafts, enabling smooth torque transmission and reducing loss of power. Jaw couplings work by preventing shock loading (the sudden and drastic increase of load in a system) and/or accommodating shaft misalignment where this has been caused by thermal expansion or manufacturing inefficiencies.


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제품설명 단가 Bore Coupling Types Outside Diameter Length Fastening Type Torque Rating Torsional Stiffness Moment of Inertia Misalignment - Angular Misalignment - Parallel Misalignment - Axial Bellows Material Shore Hardness Suitable For Use With
RS 제품 번호 693-2417
제조사 부품 번호536.26.2222
제조사Huco
₩68,091.50
Each
수량
6mm Bellows Coupling 26mm 37.5mm Clamping 2.43Nm 755Nm/rad 330 x 10^-8kg/m² 0.06mm 0.36mm Stainless Steel - -
RS 제품 번호 809-0727
제조사 부품 번호047.10.2222.RS
제조사Huco
₩20,906.40
Each
수량
6mm Double Loop Elastomer - 27mm - 0.5Nm - - 10° - 4.5mm - - -
RS 제품 번호 748-207
제조사 부품 번호321.07.1414
제조사Huco
₩121,943.15
Each
수량
3mm Bellows Coupling 6.35mm 14mm Set Screw 41Ncm 7Nm/rad 1.3 x 10^-8kg/m² 11° 1mm 0.65mm Electrodeposited Nickel - -
RS 제품 번호 748-213
제조사 부품 번호321.07.1416
제조사Huco
₩121,943.15
Each
수량
1/8in Bellows Coupling 6.35mm 14mm Set Screw 41Ncm 7Nm/rad 1.3 x 10^-8kg/m² 11° 1mm 0.65mm Electrodeposited Nickel - -
RS 제품 번호 748-285
제조사 부품 번호321.17.3232
제조사Huco
₩132,870.65
Each
수량
10mm Bellows Coupling 17mm 27mm Set Screw 132Ncm 103Nm/rad 36.2 x 10^-8kg/m² 18° +3 → -4mm 1.78mm Electrodeposited Nickel - -
RS 제품 번호 693-2502
제조사 부품 번호530.41.3535
제조사Huco
₩63,621.30
Each
수량
12mm Bellows Coupling 41mm 49.7mm Set Screw 7.61Nm 2880Nm/rad 2490 x 10^-8kg/m² 2.5° 0.15mm 0.8mm Stainless Steel - -
RS 제품 번호 692-8046
제조사 부품 번호450H13.22
제조사Huco
₩28,354.15
1 Bag of 4
Bag(s)
6mm Oldham (Sliding disc) 12.7mm - - - - - - - - - - -
RS 제품 번호 748-342
제조사 부품 번호207.18.2224
제조사Huco
₩30,463.70
Each
수량
1/4 in, 6 mm - - - - 0.3Nm - - 0.2mm - - - -
RS 제품 번호 748-358
제조사 부품 번호207.27.3131
제조사Huco
₩33,035.15
Each
수량
3/8in - - - - 1.7Nm - - 0.2mm - - - -
RS 제품 번호 748-364
제조사 부품 번호207.27.3232
제조사Huco
₩33,035.15
Each
수량
10mm - - - - 1.7Nm - - 0.2mm - - - -
RS 제품 번호 171-6710
제조사 부품 번호725.19.2828
제조사Huco
₩37,043.45
Each
수량
8mm MultiBeam 3 Beam 19.1 22.9mm - 2.5Nm 65Nm/rad - 0.12 - Aluminium - -
RS 제품 번호 692-8137
제조사 부품 번호238.13
제조사Huco
₩15,444.20
1 Bag of 10
Bag(s)
- Oldham (Torque disc) - - - 0.5Nm 65Nm/rad - 0.5° 0.1mm 0.05mm - - -
RS 제품 번호 229-481
제조사 부품 번호466.26.2224
제조사Huco
₩74,758.05
Each
수량
1/4in Disc (Membrane) 25.6mm 28.4mm - - - 160 x 10^-8kg/m² - - - Aluminium - -
RS 제품 번호 748-320
제조사 부품 번호207.18.2222
제조사Huco
₩38,653.90
Each
수량
6mm - - - - 0.3Nm - - 0.2mm - - - -
RS 제품 번호 693-0812
제조사 부품 번호452H50.35
제조사Huco
₩34,186.80
Each
수량
12mm Oldham (Sliding disc) 50mm - - - - - - - - - - -
RS 제품 번호 692-8077
제조사 부품 번호450H25.32
제조사Huco
₩40,907.60
1 Bag of 4
Bag(s)
10mm Oldham (Sliding disc) 25.4mm - - - - - - - - - - -
RS 제품 번호 171-6689
제조사 부품 번호703.32.3535
제조사Huco
₩146,394.40
Each
수량
12mm MultiBeam 6 Beam 31.8 57.2mm - 25Nm 364Nm/rad - 0.5 - Stainless Steel - -
RS 제품 번호 693-0859
제조사 부품 번호852.19.20
제조사Huco
₩16,242.45
Each
수량
5mm Oldham (Sliding disc) 19mm - - - - - - - - - - -
RS 제품 번호 171-6711
제조사 부품 번호725.25.2828
제조사Huco
₩44,638.45
Each
수량
8mm MultiBeam 3 Beam 25.4 31.8mm - 4Nm 121Nm/rad - 0.12 - Aluminium - -
RS 제품 번호 809-0767
제조사 부품 번호047.30.3535.RS
제조사Huco
₩25,764.10
Each
수량
12mm Double Loop Elastomer - 56mm - 5Nm - - 15° - 8.5mm - - -