JWM screw jack

JWM screw jack

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GUZUO JWM worm screw jack

1. Product Overview

Shanghai guzuo JWM series screw jack is a heavy-duty trapezoidal screw lifting device driven by worm and worm gear. Featuring self-locking function, compact structure and stable transmission, this mechanical screw jack is widely applied for linear lifting, pushing, tilting and height adjustment in industrial machinery, metallurgy, construction, water conservancy and other industries. It supports single-unit operation and multi-unit synchronous combination to meet customized heavy-load motion requirements.

2. Structural Features

Consists of high-precision worm gear pair and trapezoidal screw pair. The integrated body design realizes small volume, lightweight and flexible installation. Both vertical and horizontal mounting are available to adapt to complex industrial installation environments.

3. Core Advantages

  • Mechanical Self-locking: The trapezoidal screw provides excellent self-locking performance, which can keep stable load holding without power supply. A brake device is recommended for working conditions with strong vibration and impact.

  • Low Speed & Heavy Load: Optimized for intermittent operation, low running speed and large load working scenarios, ensuring stable bearing capacity.

  • Durable & Cost-effective: Simple mechanical structure, low maintenance cost, low running noise (≤55dB) and long service life.

  • Diversified Driving Modes: Compatible with manual handwheel, motor and servo drive. Optional speed control system for precise positioning.

4. Technical Parameters

Item
Specification
Load Capacity
0.5 Ton - 120 Ton
Max Standard Stroke
3000mm (Custom Stroke Available)
Lifting Speed
≤3m/min
Max Input Speed
1500 r/min
Working Temperature
-20℃ ~ 100℃
Repeat Positioning Accuracy
±0.1mm

5. Application Industries

  • Machinery Industry: Equipment lifting platform, mold adjustment, tooling translation.

  • Metallurgical Industry: Furnace door lifting, roller table adjustment, heavy-duty platform.

  • Construction Industry: Jacking support, bridge fine adjustment, stage lifting.

  • Water Conservancy Industry: Gate lifting, weir plate adjustment, underwater equipment lifting.

6. Selection Tips

  • JWM trapezoidal screw jack is suitable for low-speed and intermittent working conditions. Choose JWB ball screw jack for high-frequency and high-speed operation.

  • Install additional brake locking device for vibration or impact working environment.

  • Equip linkage control system for multi-jack synchronization to ensure high synchronous accuracy.


Brand
Guzuo
Model no.
JWM010/025/050/100/150/200/300/500/750/1000
Ratio
H/L
Material
cast iron
Guarantee
one year
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