Clamp Screw Rigid Coupling CNC Stepper Motor Shaft CouplerDescription of Clamp Screw Rigid Coupling CNC Stepper Motor Shaft Coupler
1.Low Inertia, highsensitivity
2. High Rigid Torque
3.Zero Rotary Clearance
4. HighOil Resistance, high chemical resistance
5. No need ofMaintenance, low cost
6. Suitable for shaft support and push-pull applications
Parameter ofClamp Screw Rigid Coupling CNC Stepper Motor Shaft Coupler
| Item | Bore size | D | L | L1/L2 | E | F | F1 | G | M | TighteningTorqueN.m | |||
| d1 | d2 | ||||||||||||
| min. | max. | min. | max. | ||||||||||
| RC16 | 4 | 6 | 4 | 6 | 16 | 16 | – | – | 3.8 | – | M3 | – | 0.7 |
| RC16C | 5 | 6 | 5 | 6 | 16 | 7.5 | 0.6 | 3.8 | – | – | 2*M2.5 | 1 | |
| RC20 | 5 | 10 | 5 | 10 | 20 | 30 | – | – | 7 | – | M3 | – | 0.7 |
| RC20C | 5 | 8 | 5 | 8 | 30 | 14.7 | 0.6 | 3.8 | – | – | 4*M3 | 1 | |
| RC25 | 6 | 12 | 5 | 12 | 25 | 40 | – | – | 9 | – | M4 | – | 1.7 |
| RC25C | 6 | 10 | 5 | 10 | 40 | 19.5 | 1 | 5 | – | – | 4*M4 | 1.5 | |
| RC30 | 8 | 16 | 6 | 16 | 32 | 44 | – | – | 10 | – | M4 | – | 1.7 |
| RC30C | 8 | 10 | 6 | 10 | 44 | 21 | 1.2 | 5.5 | – | – | 4*M4 | 2.5 | |
| RC40 | 10 | 24 | 10 | 24 | 43 | 50 | – | – | 12 | – | M6 | – | 7 |
| RC40C | 10 | 22 | 10 | 22 | 50 | 24.2 | 1.5 | 6.5 | – | – | 4*M5 | 4 | |
| Item | RatedTorque(N.m) | Max.torque(N.m) | Allowablespeed(min-1) | Moment ofinertia | Net weight(g) |
| RC16 | 0.3 | 0.6 | 20000 | 0.4 | 11 |
| RC16C | 0.3 | 0.6 | 18000 | 0.3 | 9 |
| RC20 | 0.5 | 1 | 20000 | 1.3 | 20 |
| RC20C | 0.5 | 1 | 16000 | 0.9 | 15 |
| RCL20C | 0.5 | 1 | 14000 | 0.9 | 18 |
| RC25 | 1 | 2 | 20000 | 3.9 | 39 |
| RC25C | 1 | 2 | 16000 | 2.7 | 29 |
| RCL25C | 1 | 2 | 12000 | 3.4 | 38 |
| RC30 | 2 | 4 | 19000 | 12 | 71 |
| RC30C | 2 | 4 | 14000 | 7.1 | 51 |
| RCL30C | 2 | 4 | 10000 | 10 | 70 |
| RC40 | 4.5 | 9 | 12000 | 46 | 170 |
| RC40C | 4.5 | 9 | 10000 | 34 | 130 |
| RCL40C | 5 | 10 | 8000 | 42 | 160 |
Order example
| Item type | Outer dia. | clamp screw | d1 | d2 |
| RC | 43 | C | 18 | 22 |