Products Description
Motor-driven screw jack(Bevel Gear Screw Jack) is a heavy-duty, high-precision linear lifting unit designed for continuous or frequent electric operation, converting motor torque into stable, controlled vertical/horizontal linear motion via worm gear and screw drive. With strong load capacity, accurate positioning, and long-term reliability, it replaces manual operation in industrial automation, machinery adjustment, and process lifting tasks. It supports various motor types (3‑phase, brake, servo, inverter) and can work standalone or in multi‑jack synchronous systems.
Motor-Driven Screw Jack
Product Applications
Motor-driven screw jacks are widely used in industries requiring automatic, repeatable, and precise lifting/pushing:
Industrial Automation Lines: Height adjustment of conveyor systems, lifting of workstations, positioning of assembly jigs, and synchronous lifting for production lines.
Metallurgy & Steel Plants: Furnace door lifting, roller gap adjustment, ladle positioning, and high‑temperature environment support.
Automotive Manufacturing: Body welding fixture lifting, assembly platform leveling, and press tool height adjustment.
Logistics & Warehousing: Electric lifting of loading platforms, pallet lifters, and warehouse door actuators.
Construction & Building Materials: Formwork lifting, bridge support adjustment, and material handling in precast factories.
Food & Packaging: Lifting of mixing tanks, conveyor height adjustment, and hygienic processing line positioning.
Medical & Pharmaceutical: Precise lifting of large medical beds, radiation shields, and pharmaceutical production platforms.
Stage & Entertainment: Heavy stage lifting, lighting rig adjustment, and theater platform movement.
Product Structure
The motor-driven screw jack adopts a modular, rigid, and fully enclosed structure for heavy loads and long service life. Core components:
Motor Unit: Direct‑coupled or flange‑mounted electric motor (standard, brake, servo, inverter) providing stable power input.
Worm & Worm Gear Set: High‑precision alloy worm paired with tin‑bronze gear, ensuring 90° power transmission, high efficiency, and quiet operation.
Trapezoidal or Ball Screw Assembly: High‑strength alloy steel screw with precision thread; trapezoidal for self‑locking, ball screw for high efficiency/speed.
Heavy‑Duty Housing: Thick cast iron or ductile iron casing with good rigidity and heat dissipation; sealed for dust/water resistance.
Integrated Bearing System: Heavy‑load tapered roller bearings support the screw and worm, reducing friction and ensuring smooth motion.
Lubrication & Sealing: Grease nipple for easy maintenance; multi‑layer oil seals prevent leakage and contamination.
Optional Accessories: Limit switches, encoders, safety nuts, anti‑rotation devices, and mounting flanges for flexible integration.
Company Advantages
Professional Manufacturer: 7,700 m² factory, 60+ CNC & testing devices, strict quality control.
Strong R&D: 36 patents, CE & ISO9001 certified, high‑precision processing capability.
Customization: Non‑standard design for load, stroke, speed, and installation; 3D drawings & CAD solutions provided.
Stable Quality: Two‑step inspection, durable materials, long service life河北德迈传动机械有限公司.
Global Service: Export to Europe, Southeast Asia, etc.; 24‑hour technical support.
Technical Data Table
| Parameter | Standard Range | Customizable Range | Remarks |
|---|---|---|---|
| Rated Load | 5 kN – 500 kN | 2 kN – 800 kN | Heavy‑duty industrial use |
| Effective Stroke | 100 mm – 1,000 mm | 50 mm – 3,000 mm | Custom long stroke available |
| Input Speed | 500 – 1,800 rpm | 300 – 2,500 rpm | Match motor speed |
| Lifting Speed | 0.1 – 3.6 m/min | 0.05 – 5.0 m/min | Depends on ratio & screw pitch |
| Transmission Ratio | 10:1 – 60:1 | Custom ratio | Higher ratio = slower & stronger |
| Positioning Accuracy | ±0.1 mm – ±0.5 mm | ±0.05 mm optional | Higher precision on request |
| Screw Type | Trapezoidal (Tr) | Ball screw optional | Tr: self‑locking; Ball: high efficiency |
| Housing Material | Cast Iron / Ductile Iron | Stainless steel optional | Heavy load & durability |
| Protection Grade | IP54 | IP65 optional | Dustproof & splash‑proof |
| Operating Temp | -20°C ~ +80°C | -30°C ~ +120°C | Standard industrial environment |
| Mounting | Vertical / Horizontal / Inverted | Custom brackets | Flexible installation |
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