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8-15mm Stainless Steel Bellows Coupling

$107.65
8 to 15mm flexible bellows couplings are available for connecting stepper motors and screw encoders. The couplings are made of high quality stainless steel and are laser welded between the bellows and the shaft sleeve for forward and reverse rotation. Lightweight bellows coupling is designed for easy installation and maintenance and is perfect for a wide range of applications from medical equipment to heavy industrial machinery.
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SKU: ATO-BC-3242
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Delivery date: 6-12 days

High quality metal bellow coupling has a rated torque of 3.7 Nm at 4700 rpm, with shaft diameters ranging from 8 to 15 mm. This flexible coupling is simple in construction and easy to machine and install, and is widely used in medical equipment, test benches, wind turbines, servo shafts in machine tools, wood processing machinery, and other equipment.

Specification

Model ATO-GRCG-32x42
Rated Torque 3.7 Nm
Allowable Eccentricity 0.2mm
Allowable Deflection
Allowable Axial Misalignment +0.5-1.3
Allowable Speed 4700 rpm
Static Torsional Stiffness 490 Nm/rad
Moment of Inertia 2.1x10-5
Weight 130g


Dimension (unit: mm)

Bellows couplings dimension

d1/d2 ΦD L L1 L2 L3 ΦN F M Tightening Torque
8-9-9.525-10-11-12-14-15 32 42 8 4 18 27.2 4.5 M4 3.5 Nm


Keyway Machining Dimensions Comparison Table

Keyway machining standard drawing

Shaft Size Keyway Standard Processing Size Keyway Size
d1/d2 b t bxh
Slot Width Tolerance Grooving Depth Tolerance
φ6-φ7.9 2 ±0.0125 1 ±0.10 2x2
φ8-φ10 3 ±0.0150 1.4 3x3
φ10.1-φ12 4 1.8 4x4
φ12.1-φ17 5 2.3 5x5
φ17.1-φ22 6 ±0.0180 2.8 6x6
φ22.1-φ30 8 3.3 ±0.20 8x8
φ30.1-φ38 10 ±0.0215 3.3 10x10
φ38.1-φ44 12 3.8 12x12
φ44.1-φ50 14 4.3 14x14
φ50.1-φ58 16 4.4 16x16
φ58.1-φ65 18 4.4 18x18


Applications

Bellows couplings are commonly used in robotics, medical equipment, semiconductor manufacturing, and aerospace industries. Bellows couplings can transmit torque and rotational motion while compensating for misalignments, which makes them ideal for applications where high accuracy and repeatability are critical.

Bellows couplings applications

Tips: What are the common applications of bellows couplings?

Bellows couplings are flexible couplings that use a thin-walled, corrugated metal bellows to transmit torque and compensate for axial, angular, and radial misalignments between rotating shafts. They are commonly used in various industrial applications that require precise positioning, high accuracy, and low backlash, such as motion control systems, robotics, semiconductor manufacturing, medical equipment, and aerospace.

Some of the common applications of bellows couplings are:

  • Precision positioning systems: Bellows couplings provide high torsional stiffness and low inertia, which make them ideal for use in precision linear and rotary motion stages, such as those used in laser cutting, metrology, and inspection systems.
  • Robotics: Bellows couplings can withstand high levels of vibration and shock and can compensate for misalignments caused by the movement of robotic arms and joints. They are often used in robotic manipulators, grippers, and end-effectors.
  • Semiconductor manufacturing: Bellows couplings are used in semiconductor equipment, such as wafer handling robots, to ensure precise positioning and alignment of delicate components.
  • Medical equipment: Bellows couplings are used in medical equipment, such as MRI machines and surgical robots, to provide accurate positioning and reduce vibration and noise.
  • Aerospace: Bellows couplings are used in aerospace applications, such as satellite thrusters and gyroscopes, to transmit torque and compensate for misalignments caused by changes in temperature and pressure.

Overall, bellows couplings are versatile and reliable components that provide precise motion control in a wide range of industrial applications.

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