Tornex ERV-C-Series Cycloidal Pinwheel RV Reducer
High-precision cycloidal pinwheel RV reducer with ultra-low backlash and exceptional torsional stiffness. The ERV-C-Series delivers up to 2,000 Nm output torque with ≤1 arcmin backlash, ideal for robotic arm joints and precision positioning.
Backlash Accuracy
≤3 arcmin
Ultra-precision (P0)
Mechanical Efficiency
96%
Peak mechanical efficiency
Peak Output Torque
≤1 arcmin
Ultra-precision backlash
| Parameter | Unit | Value |
|---|---|---|
| Backlash | Ultra-Precision | ≤1 arcmin |
| Max Torque | Nm | Up to 2,000 |
| Input Speed | rpm | Up to 3,500 |
| Tilt Stiffness | Excellent | High |
| Protection | Standard | IP65 |
| Service Life | hrs (S5) | 20,000 |
| Lubrication | Life-Sealed | Synthetic Grease |
| Model | Ratio Range | Rated Torque (Nm) | Max Torque (Nm) | Max Speed (rpm) | Weight (kg) |
|---|---|---|---|---|---|
| AD042 | 10-15 | 3-10 | 30-45 | 6,000 | 0.6 |
| AD060 | 22-35 | 3-10 | 66-105 | 6,000 | 1.3 |
| AD090 | 55-85 | 3-10 | 165-255 | 6,000 | 3.5 |
| AD115 | 100-170 | 3-10 | 300-510 | 6,000 | 7.0 |
| AD142 | 220-350 | 3-10 | 660-1,050 | 4,500 | 13 |
| AD180 | 420-600 | 3-10 | 1,260-1,800 | 4,500 | 25 |
| AD220 | 550-800 | 3-10 | 1,650-2,400 | 3,000 | 40 |
Values are per single-stage reduction at rated input speed 3,000 rpm. Torque varies by ratio — lower ratios produce higher rated torque. For multi-stage configurations and custom motor mounting, consult engineering.
| Model | 2-Stage Ratios | Rated Torque (Nm) | Max Torque (Nm) | 2-Stage Wt (kg) |
|---|---|---|---|---|
| AD042 | 12-100 | 21-36 | 63-108 | 0.8 |
| AD060 | 12-100 | 48-84 | 144-252 | 1.7 |
| AD090 | 12-100 | 120-204 | 360-612 | 4.8 |
| AD115 | 12-100 | 225-405 | 675-1,215 | 9.5 |
| AD142 | 12-100 | 495-825 | 1,485-2,475 | 18 |
| AD180 | 12-100 | 930-1,410 | 2,790-4,230 | 34 |
| AD220 | 12-100 | 1,230-1,860 | 3,690-5,580 | 56 |
Multi-stage torque values are reduced proportionally to account for compound gear train losses. Weight increases with additional gear stages. Contact engineering for detailed sizing.