KS Series Precision Helical Planetary Gearbox for Industrial Automation
KS Series helical planetary gearboxes deliver smooth, precise, and quiet performance for high-speed industrial applications. Compact design ensures easy integration into your automation systems.
Product Highlights
Gear Ratio Range
i=3–100, stable torque for diverse applications
Backlash Accuracy
Economy ≤ 8′ / Precision ≤ 1.5′, ensuring positioning precision
High Efficiency
Transmission efficiency ≥95%, low energy loss
Mounting Options
Flange, foot, or shaft output for easy integration
Description
Specifications
📘 Overview
The KS Series Precision Helical Planetary Gearbox is engineered for applications that demand exceptional accuracy, high torsional rigidity, and long-term reliability. Its compact coaxial helical design delivers smooth, efficient, and quiet transmission while ensuring ultra-low backlash and stable torque output. Ideal for robotics, industrial automation, and high-precision machinery, the KS Series gearbox excels under challenging conditions and provides consistent, repeatable, high-performance motion control.
✨ Key Features
- ⚙️ High-Precision Helical Line — Precision-machined helical gears optimized for smooth and quiet operation without sacrificing structural rigidity or reliability.
- 🔄 Ultra-Low Backlash — Backlash ≤ 1.5 arcmin (or customizable to spec) for highly accurate positioning and superior dynamic response in servo and automation systems.
- 🔩 Coaxial Helical Design — Ensures efficient torque transmission, compact footprint, easier integration, and reliable alignment.
- 🛠️ Reinforced Bearings & Robust Construction — Deep-groove ball bearings (or heavy-duty equivalents) support high axial and radial loads, improving durability and service life.
- 📏 Wide Gear Ratio Range — Ratios from i = 3 up to i = 100, enabling flexible torque/speed matching for diverse industrial applications.
- 🧩 Flexible Mounting & Output Options — Foot, flange, or hollow/solid shaft outputs — easy to integrate with various mechanical layouts and automation configurations.
- 🌀 High Torsional Stiffness & Vibration Suppression — Disc-style planet carrier or equivalent design enhances structural stability, reduces vibration and noise, and supports high dynamic loads for precise positioning and repeated cycles.
🏭 Applications
- Robotics & Automation — precise joint drives, collaborative robots, servo-actuated arms, automated assembly lines.
- CNC & High-Precision Machine Tools — milling machines, grinders, positioning systems requiring tight tolerance and repeatability.
- Material Handling & Logistics Automation — conveyors, lifters, warehouse automation equipment for smooth, controlled motion.
- Packaging, Food & Clean-Environment Machinery — low-noise, hygienic or sensitive-environment-compatible transmissions for packaging, processing, or medical-grade automation.
- High-Speed / High-Dynamics Systems — applications demanding rapid motion, high torque, low inertia, and consistent performance under continuous duty cycles.
⚙️ Optional & Custom Configurations
Custom backlash tolerances, gear ratios, output shaft types, and mounting arrangements are available to meet specific application requirements. Integration with servo motors, encoders, and feedback systems is supported to ensure optimal performance in closed-loop control systems.
| Parameter | Value |
|---|---|
| Frame Sizes | 60mm, 90mm, 115mm, 142mm, 180mm, 220mm |
| Gear Ratios | 3:1 – 100:1 |
| Max Input Speed | 10,000 rpm |
| Backlash (arcmin) | Stage 1 (Ratio 4–10): P0 ≤ 1.5′, P1 ≤ 3′, P2 ≤ 5′ Stage 2 (Ratio 20–100): P0 ≤ 3′, P1 ≤ 5′, P2 ≤ 7′ |
| Noise Level | ≤ 70 dB |
| Protection Grade | IP65 |
| Lifespan | ≥ 20,000 hours |
| Efficiency | ≥ 95% |
Certifications
Quality Management
Environmental Standard
European Conformity
China Compulsory Cert
Frequently Asked Questions
Yes, it is designed specifically for high-speed industrial applications with reinforced bearings and helical gears.
Choose based on your motor speed and required output torque. Contact our sales team for assistance.
Yes, the KS Series is compatible with both servo and standard AC/DC motors.
👉 Related Products:
AC Speed Control Motor | AC Induction Gear Motor | AC Torque Motor | AC Brake Motor |AC Reversible Motor | AC Parallel Shaft Gear Motor | Brushed DC Gear Motor |
Brushless DC Gear Motor | Planetary Gearbox | Motor Drives &Controllers|

