Causes of wear 1. Material friction: When the exhaust screw of the extruder rotates in the barrel, the friction between the material and the screw and barrel will cause the working surface of the screw to gradually wear. Especially when the material contains fillers such as calcium carbonate and gla... read more
1. Plastics field Special requirements: Plastics are of various types, including polyolefins, polyamides, polystyrene, etc. Different plastics have different characteristics such as melting temperature, viscosity, thermal stability, etc. The exhaust screw should adapt to the extrusion process of dif... read more
1. Raw material selection and preparation Alloy steel materials: Bimetallic screws are made of high-quality 38CrMoAIA (JIS sacm645) and 42CrMo (AISI4140) alloy steel materials. They have high strength, good toughness and strong wear resistance, and are suitable for manufacturing screws that withstan... read more
In the manufacturing process of bimetal screws, vacuum quenching technology is a crucial process. This technology significantly improves the material structure and performance of screws and enhances overall quality by heating and rapidly cooling the screws in a vacuum environment. First, vacuum quen... read more
The thermal conductivity performance of Bimetallic Screw And Barrel has a significant impact on plastic processing, which is mainly reflected in the following aspects: 1. Heating efficiency and energy consumption The heat conduction properties of the bimetal screw and barrel determine their efficien... read more
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