WPC extruder plays a vital role in production of wood plastic composite WPC products. However, due to its long-term, high-load operating environment, some vulnerable parts are prone to wear or damage. Proper care and maintenance can not only extend the service life of the equipment, but also ensure the quality and stability of the product.
1. Screw: As the core component of the WPC extruder, the screw is responsible for pushing the plastic material from the hopper to the extrusion die. Long-term high-speed operation and friction make the surface of the screw susceptible to wear. Seriously worn screws will affect the conveying and melting effects of plastics, resulting in a decline in product quality.
2. Barrel: The barrel is the operating environment of the screw and the place where plastic materials are melted and plasticized. The inner wall of the barrel is easily eroded and rubbed by plastic materials, causing wear. A severely worn barrel will affect the melting uniformity of the plastic, thereby affecting product quality.
3. Mold: The mold is a key component of plastic extrusion, responsible for extruding molten plastic material into the required shape. Due to the high temperature and pressure characteristics of plastics, molds are susceptible to wear and corrosion. Severely worn molds will cause problems such as rough surface and unstable dimensions of the product.
4. Heater: The heater is responsible for providing the temperature required by the extruder to ensure that the plastic material can be fully melted. However, due to long-term high-temperature operation, the resistance wire of the heater is prone to aging, breakage and other problems, causing the temperature to be unstable or unable to reach the expected value.
5. Transmission device: The transmission device is responsible for driving the rotation of the screw, including motors, reducers, bearings and other components. During long-term operation, these components are prone to wear, looseness or breakage, causing the extruder to fail to operate normally.
In order to ensure the stable operation and product quality of the wood plastic WPC extruder, regular inspection and maintenance of wearing parts is crucial. The following are some recommended maintenance and upkeep measures:
1. Regularly inspect and assess the wear of the screw and barrel, and replace seriously worn parts in a timely manner. At the same time, regularly clean the inside of the screw and barrel to ensure smooth transportation and melting of plastic materials.
2. Conduct regular inspection and maintenance of the mold to ensure the accuracy and surface quality of the mold. When wear or corrosion problems are discovered, replace or repair the mold promptly.
3. Regularly check the condition of the heater's resistance wire and replace it promptly if aging or breakage problems are found. At the same time, ensure accurate temperature control of the heater to avoid adverse effects on plastic materials caused by excessively high or low temperatures.
4. Perform regular inspection and maintenance of the transmission device, including motors, reducers, bearings and other components. Make sure these parts are tightened and lubricated to avoid problems caused by looseness or wear.
We hope this article can provide you with some useful reference and help in the actual operation and maintenance process.
Qingdao Yongte Plastic Machinery Co.,Ltd.
Web: www.ytplasticmachine.com
Email: info@ytplasticmachine.com
Whatsapp: 0086 13583233866