Tornex FB-Series Epicyclic Gear Reducer
Square frame epicyclic gear reducer offering high reduction ratios in a compact package. The FB-Series features a unique epicyclic gear arrangement with high torque density, delivering up to 2,000 Nm output torque for heavy load applications.
Backlash Accuracy
≤3 arcmin
Ultra-precision (P0)
Mechanical Efficiency
96%
Peak mechanical efficiency
Peak Output Torque
2,000 Nm
Maximum output torque
| Parameter | Unit | Value |
|---|---|---|
| Reduction Ratios (Single-Stage) | :1 | 3, 4, 5, 6, 7, 8, 10 |
| Reduction Ratios (2-Stage) | :1 | 12, 15, 16, 20, 25, 30, 35, 40, 45, 50, 60, 70, 80, 100 |
| Efficiency (2-Stage) | % | Up to 92 |
| Ratio Range | arcmin | High Reduction |
| Rated Output Torque | Nm | Up to 2,000 |
| Maximum Output Torque | Nm | 3 × Rated |
| Emergency Stop Torque | Nm | 2.5 × Rated |
| Torsional Rigidity | Nm/arcmin | High (per size) |
| Mechanical Efficiency | % | Up to 94 |
| Rated Input Speed | RPM | 3,000 |
| Maximum Input Speed | RPM | 5,000 |
| Lubrication | Life-Sealed | Synthetic Grease |
| Service Life | hrs (S5) | 20,000 |
| Operating Temp Range | °C | -10 to +90 |
| Ingress Protection | Standard | IP65 |
| Max Reduction | Multi-Stage | Up to 1,000:1 |
| Mounting Position | — | Any Direction |
| Noise Level | dB(A) | ≤65 |
| Model | Ratio Range | Rated Torque (Nm) | Max Torque (Nm) | Max Speed (rpm) | Weight (kg) |
|---|---|---|---|---|---|
| FB042 | 15-25 | 3-10 | 45-75 | 6,000 | 0.6 |
| FB060 | 35-55 | 3-10 | 105-165 | 6,000 | 1.3 |
| FB090 | 80-130 | 3-10 | 240-390 | 6,000 | 3.5 |
| FB115 | 150-260 | 3-10 | 450-780 | 6,000 | 7.0 |
| FB142 | 350-570 | 3-10 | 1,050-1,710 | 4,500 | 13 |
| FB180 | 650-1,000 | 3-10 | 1,950-3,000 | 4,500 | 25 |
| FB220 | 800-1,500 | 3-10 | 2,400-4,500 | 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) |
|---|---|---|---|---|
| FB042 | 12-100 | 21-36 | 63-108 | 0.8 |
| FB060 | 12-100 | 48-84 | 144-252 | 1.7 |
| FB090 | 12-100 | 120-204 | 360-612 | 4.8 |
| FB115 | 12-100 | 225-405 | 675-1,215 | 9.5 |
| FB142 | 12-100 | 495-825 | 1,485-2,475 | 18 |
| FB180 | 12-100 | 930-1,410 | 2,790-4,230 | 34 |
| FB220 | 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.