JWB Series Elevators: High-Speed High-Frequency & Heavy-Load Worm Gear Ball Screw Solution

I. Product Overview

Weigao JWB Series Elevators (including JWB screw lifting type and nut lifting type) are high-performance integrated transmission devices combining precision worm gear drive and high-speed ball screw technology, tailored for industrial scenarios requiring high-frequency operation, heavy-load bearing, and stable high-speed lifting. As a core high-speed重载 product in Weigao's transmission lineup, this series addresses the pain points of low speed limit, poor impact resistance, and short service life of traditional elevators in automated production lines, mechanical processing, and high-efficiency handling scenarios. Compliant with ISO 3408 international ball screw standards and certified by ISO 9001 quality management system and IP67 protection level, it integrates high-speed optimized ball screw pair, reinforced worm gear structure, and scenario-specific protective design. The product features high-speed transmission, strong heavy-load capacity, long service life, and customizable protection, capable of stably operating in temperature ranges from -25℃ to +100℃. It is widely applied in CNC machine tool worktables, automotive component assembly lines, high-frequency lifting platforms, and metallurgy auxiliary equipment, providing efficient and reliable lifting power support for global high-speed heavy-load industrial fields.

II. Core Advantages

1. Dual-Mode Lifting Design, Flexible Adaptation

Adopting high-speed optimized dual-mode lifting structure, the JWB series supports both screw lifting and nut lifting modes to adapt to different high-frequency working conditions. The screw lifting type, with integrated end cover circulation ball system, realizes fast axial movement, suitable for high-speed precision positioning of small-stroke equipment; the nut lifting type, equipped with high-rigidity fixed screw, ensures stable operation during large-stroke high-frequency lifting. The worm gear pair adopts high-strength tin bronze (ZCuSn10Pb1) matched with 20CrMnTi alloy steel worm (carburized and quenched to HRC 58-62, precision ground), reducing meshing friction and enabling high-speed rotation. The C5-level precision ball screw pair adopts imported high-speed滚珠 and optimized circulation path, realizing transmission efficiency up to 90%-93% and lifting speed up to 1500mm/min, 25% higher than ordinary ball screw elevators. It supports continuous high-frequency operation (≥500 cycles/hour) with repeat positioning accuracy controlled within ±0.03mm, fully meeting high-efficiency precision production needs.

2. Lightweight Integrated Structure, Compact Installation

The JWB series achieves reinforced heavy-load performance through material upgrading and structural optimization. The housing adopts integral cast steel with thickened wall design, optimized by finite element simulation to disperse load pressure, ensuring no deformation under 1.5 times rated load. The ball screw adopts 42CrMo alloy steel with high-frequency quenching and nitriding treatment, surface hardness up to HRC 60-63, tensile strength ≥600MPa, supporting rated loads from 5kN to 150kN to cover medium-to-heavy load scenarios. The planetary滚珠 structure of the screw pair evenly distributes stress, improving anti-fatigue performance and extending service life by 3 times compared with ordinary ball screw elevators. It supports multi-unit synchronous control with high-precision linkage accuracy (synchronization error ≤0.05mm), enabling customized configuration for large-area heavy-load platforms and meeting the high-stability requirements of heavy-duty high-speed lifting.

3. Ultra-Quiet Transmission, Low Noise Operation

Integrating scenario-specific customized protection mechanisms, the JWB series ensures stable operation in complex industrial environments. Aiming at high-speed friction heat generation, it is equipped with integrated forced heat dissipation system (including cooling fins and optional cooling fan), reducing operating temperature by 30% and avoiding overheating during long-term high-frequency operation. The multi-stage sealing system adopts fluorine rubber double-lip oil seals and stainless steel telescopic dust covers, effectively preventing lubricant leakage and dust, water, and corrosive media intrusion, adapting to dusty, humid, and oily working conditions. The input end is equipped with overload protection coupling and torque limiter, avoiding component damage caused by excessive torque and impact load. Equipped with high-precision angular contact ball bearings, it reduces radial runout to ≤0.01mm, ensuring smooth operation at high speeds with operating noise controlled within ≤52dB at 1m distance.

4. Energy-Saving Lubrication, Easy Maintenance

The optimized lubrication system adopts high-temperature resistant synthetic lithium-based grease with excellent anti-wear and adhesion performance, forming a stable oil film at -25℃ to +100℃ and reducing friction resistance during high-speed operation. The grease is matched with a centralized lubrication circuit, realizing automatic uniform lubrication of core components and ensuring consistent performance during long-term high-frequency operation. The visual oil level window and quick oil change port facilitate daily inspection and maintenance, with a recommended maintenance cycle extended to 12000 hours. The modular design of core components (screw, nut, worm gear pair) allows quick disassembly and replacement, reducing downtime. The dedicated high-speed lubricant effectively reduces wear of the ball circulation system, extending the overall service life to over 35000 hours under normal working conditions.

III. Typical Application Fields

• CNC Machine Tools: Machining center worktables, precision lathe feeding mechanisms, high-speed lifting ensuring processing efficiency and accuracy
• Automotive Manufacturing: Auto part assembly lines, body lifting platforms, high-frequency operation adapting to mass production needs
• Metallurgy Auxiliary Equipment: Steel billet conveying lifting devices, roll gap adjustment mechanisms, heavy-load capacity withstanding high-temperature impact
• High-Efficiency Handling: Automated warehouse high-speed stacking platforms, logistics sorting line lifting mechanisms, fast response improving handling efficiency
• Mechanical Processing: Precision stamping equipment, forging machine lifting systems, stable high-speed operation ensuring processing quality

IV. Key Technical Parameters

V. Installation & Maintenance

Select models and lifting modes based on load capacity, lifting speed, and operating frequency. During installation, ensure coaxiality error ≤0.03mm and fix the housing firmly with high-strength bolts. Adopt dedicated high-temperature synthetic lithium-based grease, and replenish or replace it every 12000 hours. Regularly inspect the heat dissipation system, sealing performance, and ball screw wear status. For multi-unit synchronous systems, calibrate linkage accuracy periodically. Equip with braking devices for high-speed heavy-load scenarios to ensure safety, and perform maintenance by professional technicians when abnormal noise or speed fluctuation occurs.

Weigao JWB Series Elevators adhere to the design philosophy of "high-speed efficiency, heavy-load reliability, and scenario adaptation", focusing on the core needs of high-speed heavy-load industrial lifting scenarios. With advantages of high-frequency stable operation, reinforced load-bearing capacity, and customized protection design, it breaks through the limitations of traditional elevators in speed and load performance. The product provides high-quality lifting solutions for machine tools, automotive manufacturing, and metallurgy industries, supported by strict quality control and professional after-sales services. Compliant with international precision transmission standards, it is committed to becoming a trusted partner in the global high-speed heavy-load industrial lifting field.

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