Enhancing Product Competitiveness through Technological Innovation in WP Series Worm Gear Reducers and WSH Series Hoists
Technological innovations in the production of WP series worm gear reducers and WSH series worm lifts have enhanced product competitiveness.
The production technology of transmission equipment represented by WP series worm gear reducers and WSH series worm lifts has been continuously upgraded in recent years, driven by market demand for high-performance and high-reliability products. These technological innovations not only improve product quality but also optimize production efficiency, laying a solid foundation for their wider application in industrial fields.
Material technology is the basis for improving product performance. In the production of WP series reducers, the traditional tin bronze worm wheels are gradually replaced by high-strength aluminum bronze alloys, which have 30% higher wear resistance and can withstand higher loads. For the worm, low-alloy high-strength steel after carburizing and quenching is used, with the surface hardness reaching HRC58-62, and the core toughness remaining excellent, effectively reducing the risk of tooth breakage.
In the manufacturing of WSH series lifts, the lifting screw adopts 42CrMo alloy steel with high-frequency quenching treatment, which improves the surface hardness to HRC50-55 while ensuring the toughness of the screw rod, thus enhancing its resistance to fatigue and impact. The box body material has also been upgraded from ordinary gray cast iron to ductile iron, which has better shock absorption and corrosion resistance, adapting to harsh working environments such as humidity and dust.
The precision of key components directly affects the transmission performance of the product, and the application of advanced machining equipment has promoted a leap in manufacturing accuracy. For the worm thread processing of WP series reducers, five-axis CNC grinding machines are now used instead of traditional hobbing machines, which reduces the tooth profile error from 0.05mm to within 0.01mm, and the surface roughness reaches Ra0.8μm, reducing friction loss during transmission.
In the production of WSH series lifts, the trapezoidal thread of the screw rod is processed by a specialized thread grinding machine, ensuring that the thread pitch error is controlled within 0.02mm per meter, which significantly improves the stability of lifting and lowering. The use of laser measurement technology in the machining process enables real-time detection of component dimensions, avoiding batch quality problems caused by tool wear.
The assembly process is the final link to ensure product performance, and the introduction of intelligent assembly lines has improved assembly accuracy and consistency. In the assembly of WP series reducers, automatic press-fitting equipment is used to install bearings and gears, which controls the press-fitting force within ±50N, avoiding bearing damage caused by excessive manual operation force or insufficient preload.
For WSH series lifts, the meshing clearance between the worm and worm wheel is adjusted by a computer-aided system. Through torque sensor feedback, the optimal clearance value (0.15-0.2mm) is automatically calculated and adjusted, ensuring that the lift operates with low noise (below 65dB) and high efficiency. The airtightness test after assembly has also been upgraded to a helium leak detection method, which can detect micro-leaks with a rate of less than 1×10-6 Pa·m³/s, ensuring the reliability of lubricating oil sealing.
Technological innovation not only improves product quality but also optimizes the production cycle. The application of digital testing platforms enables full-performance testing of WP series reducers and WSH series lifts, including 100-hour continuous load operation, high and low-temperature environment simulation, and vibration resistance testing, ensuring that product failure rates are reduced by more than 50%.
In terms of production management, the introduction of MES (Manufacturing Execution System) realizes the whole process tracking of raw materials, processing, and assembly. The production cycle of a single product is shortened from the original 7 days to 3 days, and the on-time delivery rate is increased from 85% to 98%. This efficient and high-quality production model makes the two series of products more competitive in the global market.
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