Product Overview
The VRSF Precision Planetary Gearbox is engineered for modern industrial automation systems that demand excellent positioning accuracy, high torque density, and long-term operating reliability. With ultra-low backlash performance (≤1 arcmin for single-stage ratios), the VRSF series delivers the level of precision required in sectors such as CNC machining, high-speed packaging equipment, robotics, and smart manufacturing. Designed with helical gearing for smooth, quiet transmission and reinforced with integrated high-rigidity bearings, the gearbox offers a stable and efficient solution for high-cycle and continuous-operation environments.
This gearbox features carefully optimized internal gear geometry to deliver high torsional stiffness, increased torque output, and improved vibration control—critical advantages for achieving micro-level motion accuracy. The VRSF Precision Planetary Gearbox series supports both single-stage and two-stage ratios, providing flexible speed-reduction options (3–100 ratio range) to fit a wide variety of servo motor applications. With an IP65 protection rating, synthetic-grease lubrication, and a broad operating temperature range (-25°C to +90°C), it offers durability in tough industrial settings including dusty, humid, or thermally challenging environments.
Whether implemented in high-speed CNC equipment, fully automated packaging lines, or advanced robotic systems, the VRSF Precision Planetary Gearbox series planetary gearbox provides precision, rigidity, and smooth mechanical performance essential for next-generation motion control applications.
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Key Features
Technical Information
| Specs | Unit | Stage | Ratio | VRSF060 | VRSF080 | VRSF100 | VRSF125 |
|---|---|---|---|---|---|---|---|
| Rated Output Torque / T2N | Nm | 1 | 3 | 54 | 112 | 165 | 286 |
| Rated Output Torque / T2N | Nm | 1 | 4 | 48 | 110 | 146 | 255 |
| Rated Output Torque / T2N | Nm | 1 | 5 | 45 | 108 | 160 | 264 |
| Rated Output Torque / T2N | Nm | 1 | 7 | 41 | 105 | 149 | 264 |
| Rated Output Torque / T2N | Nm | 1 | 10 | 40 | 100 | 141 | 234 |
| Rated Output Torque / T2N | Nm | 2 | 15 | 54 | 112 | 165 | 286 |
| Rated Output Torque / T2N | Nm | 2 | 20 | 48 | 110 | 146 | 255 |
| Rated Output Torque / T2N | Nm | 2 | 25 | 45 | 108 | 160 | 264 |
| Rated Output Torque / T2N | Nm | 2 | 30 | 41 | 112 | 165 | 286 |
| Rated Output Torque / T2N | Nm | 2 | 35 | 41 | 105 | 149 | 245 |
| Rated Output Torque / T2N | Nm | 2 | 40 | 39 | 110 | 146 | 255 |
| Rated Output Torque / T2N | Nm | 2 | 50 | 45 | 108 | 160 | 264 |
| Rated Output Torque / T2N | Nm | 2 | 70 | 41 | 105 | 149 | 245 |
| Rated Output Torque / T2N | Nm | 2 | 100 | 40 | 100 | 141 | 234 |
| Max Output Torque / T2max¹ | Nm | 1,2 | 3-100 | 3Times of Nominal Output Torque | – | – | – |
| Rated Input Speed / n1n | rpm | 1,2 | 3-100 | 3000 | 3000 | 3000 | 3000 |
| Max Input Speed / n1m | rpm | 1,2 | 3-100 | 5000 | 5000 | 5000 | 5000 |
| Precision Backlash P1 | arcmin | 1 | 3-10 | ≤5 | ≤5 | ≤5 | ≤5 |
| Precision Backlash P1 | arcmin | 2 | 12-100 | ≤7 | ≤7 | ≤7 | ≤7 |
| Standard Backlash P2 | arcmin | 1 | 3-10 | ≤8 | ≤8 | ≤8 | ≤8 |
| Standard Backlash P2 | arcmin | 2 | 12-100 | ≤10 | ≤10 | ≤10 | ≤10 |
| Torsional Rigidity | Nm/arcmin | 1,2 | 3-100 | 50 | 120 | 340 | 520 |
| Max Radial Force / Frmax² | N | 1,2 | 3-100 | 800 | 1200 | 3200 | 5220 |
| Max Axial Force / Famax² | N | 1,2 | 3-100 | 400 | 600 | 1800 | 2800 |
| Service Life | hr | 1,2 | 3-100 | 21000h | – | – | – |
| Efficiency / η | % | 1 | 3-10 | ≥97% | – | – | – |
| Efficiency / η | % | 2 | 15-100 | ≥94% | – | – | – |
| Weight | kg | 1 | 3-10 | 1.2 | 1.6 | 3.76 | 7.43 |
| Weight | kg | 2 | 15-100 | 2.1 | 2.8 | 5.92 | 10.3 |
| Operating Temperature | ℃ | 1,2 | 3-100 | (-25℃~+80℃) | – | – | – |
| Lubrication | – | 1,2 | 3-100 | Synthetic Grease | – | – | – |
| Protection Class | – | 1,2 | 3-100 | IP65 | – | – | – |
| Mounting Position | – | 1,2 | 3-100 | Any Direction | – | – | – |
| Noise Level (n1=3000rpm, No load) | dB(A) | 1,2 | 3-100 | ≤60 | ≤62 | ≤65 | ≤67 |
| Moment of Inertia | kg·cm² | 1 | 3 | 0.16 | 0.61 | 3.25 | 7.54 |
| Moment of Inertia | kg·cm² | 1 | 4 | 0.14 | 0.48 | 2.74 | 7.42 |
| Moment of Inertia | kg·cm² | 1 | 5 | 0.13 | 0.47 | 2.71 | 7.25 |
| Moment of Inertia | kg·cm² | 1 | 7 | 0.13 | 0.45 | 2.65 | 7.14 |
| Moment of Inertia | kg·cm² | 1 | 8 | 0.13 | 0.45 | 2.62 | 7.07 |
| Moment of Inertia | kg·cm² | 1 | 9 | 0.13 | 0.44 | 2.58 | 7.04 |
| Moment of Inertia | kg·cm² | 1 | 10 | 0.13 | 0.44 | 2.57 | 2.71 |
| Moment of Inertia | kg·cm² | 2 | 12-40 | 0.03 | 0.13 | 0.47 | – |
| Moment of Inertia | kg·cm² | 2 | 50-100 | 0.03 | 0.13 | 0.44 | – |
VRSF Precision Planetary Gearbox Series Full Specification Sheet (PDF)
VRSF 3D CAD Model Pack – STEP/IGES Files
VRSF Motor-Mounting Dimension Drawings
Installation & Maintenance Manual
Applications
- CNC Machinery: The VRSF Precision Planetary Gearbox provides high positioning accuracy, stability, and dynamic response necessary for CNC milling, grinding, cutting, and contouring operations. Its low-backlash performance ensures precise micro-movement control demanded by advanced machining centers.
- Packaging Machinery: Ideal for vertical form-fill-seal machines, labeling systems, cartoning equipment, and conveyor automation. High rotational speed capacity, reliable torque transmission, and excellent synchronization accuracy improve packaging efficiency and reduce failure rates.
- Industrial Robotics: Supports multi-axis robotic arms, pick-and-place systems, delta robots, and AGV/AMR drive systems. The gearbox’s compact size, high torque density, and smooth motion response provide superior dynamic performance. Learn more about industrial robotics at IFR – International Federation of Robotics.
- Smart Factories & Motion-Control Systems: Compatible with Industry 4.0 systems, providing fast response, accurate feedback, and efficient torque delivery.
