Description
High precision stainless steel bellows coupling has an outside diameter of 65 mm, a length of 81 mm and a shaft diameter size of 15-38 mm. The flexible bellows coupling coupling has a simple structure, small external dimensions, easy processing and installation, and is mainly used in small power precision machinery and control mechanisms that require compact structure and high transmission accuracy.
Specification
| Model | ATO-GRCG-65×81 |
| Rated Torque | 80 Nm |
| Allowable Eccentricity | 0.2mm |
| Allowable Deflection | 2° |
| Allowable Axial Misalignment | +0.7-1.5 |
| Allowable Speed | 3500 rpm |
| Static Torsional Stiffness | 900 Nm/rad |
| Moment of Inertia | 3.6×10-5 |
| Weight | 1000g |
Dimension (unit: mm)
| d1/d2 | ΦD | L | L1 | L2 | L3 | ΦN | F | M | Tightening Torque |
| 810-11-12-14-15-18-19-20-22-24-25-28-30-35-38 | 65 | 81 | 19.5 | 7 | 28 | 60.5 | 10.5 | M6 | 13 Nm |
Keyway Machining Dimensions Comparison Table
| 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 | 2×2 |
| φ8-φ10 | 3 | ±0.0150 | 1.4 | 3×3 | |
| φ10.1-φ12 | 4 | 1.8 | 4×4 | ||
| φ12.1-φ17 | 5 | 2.3 | 5×5 | ||
| φ17.1-φ22 | 6 | ±0.0180 | 2.8 | 6×6 | |
| φ22.1-φ30 | 8 | 3.3 | ±0.20 | 8×8 | |
| φ30.1-φ38 | 10 | ±0.0215 | 3.3 | 10×10 | |
| φ38.1-φ44 | 12 | 3.8 | 12×12 | ||
| φ44.1-φ50 | 14 | 4.3 | 14×14 | ||
| φ50.1-φ58 | 16 | 4.4 | 16×16 | ||
| φ58.1-φ65 | 18 | 4.4 | 18×18 |
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.
Tips: How to maintain a bellows couplings?
Bellows couplings are designed to provide flexibility and compensate for misalignment in various mechanical systems. To maintain a bellows coupling and ensure its proper functioning, the following steps can be taken:
- Keep the coupling clean and free from debris. Any dirt, dust, or other particles can cause damage to the coupling and lead to premature failure.
- Inspect the coupling periodically to identify any signs of wear or damage. This can include cracks, corrosion, or distortion of the bellows.
- Lubricate the coupling regularly to prevent corrosion and ensure smooth operation. Follow the manufacturer’s recommendations for lubrication.
- Avoid overloading the coupling or exceeding its torque and speed limits. This can cause excessive stress and damage the bellows.
- Ensure proper alignment between the connected shafts. Misalignment can cause excessive stress and wear on the bellows.
- Use the coupling within its specified temperature range. Extreme temperatures can cause damage to the bellows and reduce its lifespan.
By following these maintenance steps, the bellows coupling can provide reliable and efficient performance for a long time.
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