Servobox SR 1-Stage High-Precision Planetary Gearbox The Servobox SR 1-Stage is a high-precision planetary servo gearbox designed for low-ratio applications requiring high efficiency and minimal backlash. It supports reduction ratios from 2 to 9 with efficiency ≥97% and backlash ≤6 arcmin. Rated for 3000 rpm input (6000 rpm max), it features IP65 protection, synthetic grease lubrication, and mounting in any orientation. Technical Specifications • Type: 1-Stage planetary servo gearbox • Ratios: 2, 3, 4, 6, 9 • Efficiency: ≥97% • Backlash: ≤6 arcmin • Rated input speed (n1N): 3000 rpm • Max input speed (n1B): 6000 rpm • Nominal torque (T2N): 68–271 Nm (depending on size/ratio) • Acceleration torque: 1.5× nominal torque • Emergency stop torque: 3× nominal torque • Max radial load: up to 7200 N • Max axial load: up to 3600 N • Torsional rigidity: 10–27 Nm/arcmin • Protection rating: IP65 • Operating temperature: −25 °C to +90 °C • Lubrication: Synthetic grease • Mounting: Any orientation • Service life: >30,000 h (S5), >15,000 h (S1) • Sizes: 82 / 100 / 132 • Weight: 2.5–8.9 kg depending on size
