Publish Time: 2026-01-28 Origin: Site
As the "power transmission core" of the powder coating extruder, the gearbox is responsible for reducing the speed and increasing the torque of the motor power before transmitting it to the screw. Its transmission accuracy, load-bearing capacity and operation stability directly affect the screw speed control, material plasticization effect and equipment service life. Focusing on the R&D and optimization of gearboxes, YTOPSUN has created a series of hard-tooth surface gearboxes, integrating precision transmission, high-strength load-bearing and low-noise operation technologies, providing efficient and reliable power transmission solutions for extruders.
I. Core Structure and Working Principle of the Gearbox
YTOPSUN's hard-tooth surface gearbox adopts a parallel shaft structure, consisting of an input shaft, output shaft, hard-tooth surface gears, bearings, box body and lubrication system. The working principle is: the motor power is transmitted to the driving gear through the input shaft, and after multi-stage gear meshing to reduce speed and increase torque, the output shaft drives the screw to rotate. Through precise control of the gear transmission ratio, stepless adjustment of the screw speed is realized. The gearbox body is made of high-strength cast iron material, which eliminates internal stress through aging treatment to ensure structural rigidity and operation stability; the lubrication system adopts forced lubrication to provide lubricating oil for gears and bearings in real time, reducing wear and operation noise.
II. Key Technical Optimization and Performance Improvement
YTOPSUN has carried out a number of core technical optimizations on the gearbox: the gears are made of 20CrMnTi alloy steel, and after carburizing and quenching treatment, the tooth surface hardness can reach HRC58-62, the precision grade reaches ISO 5, the transmission efficiency is ≥96%, and the wear resistance is excellent, with a service life 3 times longer than that of ordinary gears; the bearings are high-precision tapered roller bearings with strong load-bearing capacity, which can effectively bear the axial and radial forces generated by the screw operation, avoiding equipment failures caused by bearing damage; the lubrication system is equipped with an intelligent monitoring device to monitor the lubricating oil level and temperature in real time, and automatically alarm when insufficient, ensuring continuous and stable lubrication effect.
III. Customized Adaptation and Scene Application
According to the extruder model and production needs, YTOPSUN provides customized gearbox solutions: small laboratory extruders are equipped with lightweight gearboxes, balancing transmission accuracy and space adaptation; large-scale mass production extruders are equipped with high-strength gearboxes to improve load-bearing capacity and operation stability, adapting to high-torque production needs. For different powder coating production processes, optimize the gear transmission ratio to realize stepless adjustment of screw speed from 0-100r/min, meeting the speed requirements of different material plasticization. In addition, the gearbox adopts a modular design, which is convenient for disassembly, maintenance and parts replacement, reducing maintenance costs.
IV. Maintenance and Troubleshooting
YTOPSUN provides a full-cycle maintenance plan for the gearbox: regularly check the lubricating oil level and quality, replace the lubricating oil every 2000 hours of operation, and select special industrial gear oil to ensure lubrication effect; check the operation status of gears and bearings, listen to the operation noise, and if there is abnormal noise, disassemble and inspect in time to eliminate wear or poor meshing problems; regularly fasten the box connection bolts to avoid parts loosening caused by vibration. In terms of common faults, for the decrease of transmission accuracy, the gear meshing clearance can be calibrated; for oil leakage problems, replacing the seals can solve the problem.
V. Industrial Value of YTOPSUN Gearbox
With precise transmission performance, high-strength load-bearing capacity and stable operation performance, YTOPSUN's hard-tooth surface gearbox effectively ensures the precise control of the extruder screw speed and provides power support for uniform material plasticization. Its characteristics of low-noise operation, long service life and easy maintenance reduce equipment operation and maintenance costs, adapt to various powder coating production scenarios, provide core guarantee for enterprises to realize efficient and stable production, and set a technical benchmark for extruder gearboxes in the industry.