KS Series Precision Helical Planetary Gearbox | High Performance
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 ≤ 5′, ensuring positioning precision
High Efficiency
Transmission efficiency ≥95%, low energy loss
Mounting Options
Flange, foot, or shaft output for easy integration
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Description
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Specifications
Overview
The KS Series Helical Planetary Gearbox is engineered for applications that require smooth operation, low noise, and high efficiency. Its compact coaxial helical design ensures precise torque transmission, making it ideal for robotics, industrial automation, and high-speed machinery. The KS Series is designed to perform under challenging conditions while providing reliable, efficient, and quiet operation.
Key Features
- ⚙️ Helical Precision Line – Optimized for smooth, quiet operation without sacrificing reliability
- 🔄 Coaxial Helical Gearbox – Ensures high-efficiency torque transmission and minimal backlash
- 🛠️ Reinforced Deep Groove Ball Bearings – Handle both axial and radial loads for long service life
- 📏 Wide Gear Ratio Range – From i=3 up to i=100, suitable for diverse industrial applications
- 🧩 Flexible Mounting Options – Foot, flange, or shaft output for easy integration
- 🔁 Equidirectional Rotation – Compatible with complex automation layouts
- 🌀 Disc-Style Planet Carrier – For enhanced stability, reduced vibration, and precise positioning
Applications
The KS Series Helical Planetary Gearbox is suited for applications demanding smooth, quiet operation, including:
- 🤖 Robotics & Automation – Motion control for collaborative robots and automation lines
- 🏭 Industrial Machinery – CNC cutting, milling, and grinding machines
- 🚚 Material Handling Equipment – Conveyors, lifters, and warehouse automation
- 📦 Packaging & Food Processing – Low-noise transmission for hygienic and precise operations
- ⚡ High-Speed Machinery – Applications requiring smooth torque transfer at higher speeds
| 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 ≤ 2′, P1 ≤ 3′, P2 ≤ 5′ Stage 2 (Ratio 20–100): P0 ≤ 4′, 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|

