Nippon Gear_High-lead Screw Jack

High-Speed Screw Jacks: RMY, RSY & J0Y Series – Superior Efficiency

1. Product Overview

The High-Speed Screw Jack Series features a breakthrough design that combines a compact, lightweight form factor with high-velocity operational capabilities. This series is the perfect alternative to standard screw jacks when your system demands fast duty cycles and optimized transmission efficiency.

2. Key Technical Features

  • Ultra-Fast Response: By utilizing quadruple-thread screws and a large lead, this series achieves speeds 2 to 5 times faster than traditional (Type H) screw jacks at the same input speed.

  • Streamlined & Versatile Design: The compact housing saves valuable installation space. Its intelligent design allows for flexible mounting from both the top and bottom surfaces.

  • High Mechanical Efficiency: Optimized friction reduction ensures smoother operation even at high-speed ranges.

  • Important Safety Note (Non-Self-Locking): Due to the large screw lead, this series is non-self-locking. A dedicated braking system is mandatory to hold the load safely when the motor stops.

  • Customizable Options: Fully compatible with bellows (dust covers), limit switches, and RC encoders for high-precision stroke control.

3. High-Speed Technical Specifications

Detailed comparison between the RMY, RSY, and J0Y models:

Technical Specifications Unit Series RMY Series RSY Series J0Y
Lifting Capacity kN 2 5 10
Screw Diameter mm 16 20 25
Lead (Pitch) mm 12 16 20
Worm Gear Ratio 3 5 5
Efficiency 0.45 0.44 0.44
Speed Coefficient (c) mm/rev 4 3.2 4
Max. Input Speed min⁻¹ 2000 2000 1800
Lubrication Maintenance-Free Maintenance-Free 0.1kg Grease
Operating Temperature °C -15 to 80 -15 to 80 -15 to 80

4. Why Choose the High-Speed Series?

This product line is engineered to solve time-efficiency challenges in modern automated production lines:

  • Reduced Cycle Time: Fast lifting and lowering speeds significantly increase machine throughput and productivity.

  • Energy Efficiency: High mechanical efficiency (up to 45%) reduces power loss on the drive shaft.

  • Operational Flexibility: Ideally suited for light-load applications that require high-frequency continuous operation.

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