The first stage of CRV-C series reducer is planetary gear reduction. The rotation of the sun gear is transmitted from the large gear on the sun gear to the planetary gear, and the speed is reduced according to the gear ratio. The second stage is the deceleration of the cycloid pinwheel. The planetary gear is connected with the eccentric shaft. The rotation of the eccentric shaft drives the cycloid to make an eccentric movement. The eccentric shaft rotates once, and the cycloid will rotate one tooth in the opposite direction to the movement of the eccentric shaft.
Structure
Working Principle
The first stage of CRV-C series reducer is planetary gear reduction. The rotation of the sun gear is transmitted from the large gear on the sun gear to the planetary gear, and the speed is reduced according to the gear ratio. The second stage is the deceleration of the cycloid pinwheel. The planetary gear is connected with the eccentric shaft. The rotation of the eccentric shaft drives the cycloid to make an eccentric movement. The eccentric shaft rotates once, and the cycloid will rotate one tooth in the opposite direction to the movement of the eccentric shaft.
Input shaft speed ratio:
R=1+Z2/Z1*Z3
R: Speed ratio
Z1 : Number of teeth on input gear
Z2: Number of teeth on planetary/epicyclic gear
Z3: Number of pins
| Model | Output speed( r/min) | 5 | 10 | 15 | 20 | 25 | 30 | 40 | 50 | 60 | ||
| Reduction ratio code | Reduction ratio | |||||||||||
| Axis rotation | Shell rotation | Output torque( N.m) Input power (kW) | ||||||||||
| CRV 10C | 27 | 27 | 26 | 136 0.09 | 111 0.16 | 98 0.21 | 90 0.25 | 84 0.29 | 80 0.34 | 73 0.41 | 68 0.47 | 65 0.54 |
| CRV 27C | 36.57 | 1390/38 | 1352/38 | 368 0.26 | 299 0.42 | 265 0.55 | 243 0.68 | 227 0.79 | 215 0.90 | 197 1.10 | 184 1.29 | 174 1.46 |
| CRV 50C | 32.54 | 1985/61 | 1924/61 | 681 0.48 | 554 0.77 | 490 1.03 | 450 1.26 | 420 1.47 | 398 1.67 | 366 2.04 | 341 2.38 | |
| CRV 100C | 36.75 | 36.75 | 35.75 | 1362 0.95 | 1107 1.55 | 980 2.05 | 899 2.51 | 841 2.94 | 796 3.33 | 730 4.08 | ||
| CRV 120C | 36.75 | 36.75 | 35.75 | 1422 0.992 | 1308 1.825 | 1176 2.46 | 1085 3.03 | 907 3.61 | 823 3.45 | 765 4.27 | ||
| CRV 200C | 34.86 | 1499/43 | 1456/43 | 2724 1.90 | 2215 3.09 | 1960 4.11 | 1803 5.04 | 1686 5.88 | 1597 6.69 | |||
| CRV 320C | 35.61 | 2778/78 | 2700/78 | 4361 3.04 | 3538 4.94 | 3136 6.57 | 2881 8.05 | 2690 9.41 | ||||
| CRV 320CA | 211 | 211 | 210 | 4361 3.04 | 3538 4.94 | 3136 6.57 | 2881 8.05 | 2690 9.41 | ||||
| CRV 500C | 37.34 | 3099/83 | 3016/83 | 6811 4.75 | 5537 7.73 | 4900 10.26 | 4498 12.56 | |||||
| No-load allowable maximum output speed (r/min) | Start and stop allowable torque (N.m) | Momentary allowable maximum torque (N.m) | Allowable bending moment (N.m) | Instantaneous maximum allowable bending moment(N.m) | Torsional stiffness (N.m/ arc min) | Maximum empty range (arc min) | Backlash (arc min) | Angle transmission error (arcsec) | Allowable radial load (N) | Converted value of moment of inertia input shaft (Kgm2) | Moment of inertia standard sun gear (Kgm2) | Rated life (h) | Weight (Kg) |
| 80 | 245 | 490 | 686 | 1372 | 47 | 1.0 | 1.0 | 70 | 5755 | 1.38×10-5 | 0.678×10-3 | 6000 | 4.6 |
| 60 | 662 | 1323 | 980 | 1960 | 147 | 1.0 | 1.0 | 70 | 6520 | 0.55×10-4 | 0.563×10-3 | 6000 | 8.5 |
| 50 | 1225 | 2450 | 1764 | 3528 | 255 | 1.0 | 1.0 | 60 | 9428 | 1.82×10-4 | 0.363×10-2 | 6000 | 14.6 |
| 40 | 2450 | 4900 | 2450 | 4900 | 510 | 1.0 | 1.0 | 50 | 11802 | 0.475×10-3 | 0.953×10-2 | 6000 | 19.5 |
| 40 | 2940 | 5880 | 3920 | 7840 | 588 | 1.0 | 1.0 | 50 | 11802 | 0.475×10-3 | 0.953×10-2 | 6000 | 21 |
| 30 | 4900 | 9800 | 8820 | 17640 | 980 | 1.0 | 1.0 | 50 | 31455 | 1.39×10-3 | 1.94×10-2 | 6000 | 55.6 |
| 25 | 7840 | 15680 | 20580 | 39200 | 1960 | 1.0 | 1.0 | 50 | 57087 | 0.518×10-2 | 0.405×10-1 | 6000 | 79.5 |
| 25 | 7840 | 15680 | 20580 | 39200 | 1960 | 1.0 | 1.0 | 50 | 57087 | 4.59×10-4 | 6000 | 92.1 | |
| 20 | 12250 | 24500 | 34300 | 78400 | 3430 | 1.0 | 1.0 | 50 | 82970 | 0.996×10-2 | 1.014×10-1 | 6000 | 154 |
