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Learn how to clean extruder
23-07-2020
Extruder is a very common machine in the plastic industry. Keeping the extruder in the best working state can maintain the product stability and improve the production efficiency. In the process of daily use, it is inevi...
How to minimize the wear of bimetallic screw?
17-07-2020
Bimetallic screw is operated under high temperature, high pressure and high friction. Although the loss of bimetallic screw caused by these factors is inevitable, it is also a necessary condition for the production proce...
Difference between injection molding machine screw and extruder screw
09-07-2020
Screw difference between injection molding machine and extruder （1） The ratio of L value to D value of screw diameter and compression ratio of thread used in injection molding machine are slightly smaller than those of s...
Screw function and type of screw barrel of injection molding machine
02-07-2020
The screw of screw barrel of injection molding machine is an important part of injection molding machine. Its effect is to transport, compact, melt, stir and pressure the plastic. All these procedures are completed by th...
Screw length and injection stroke of injection molding machine
23-06-2020
One injection molding machine usually has three screws, called a, B and C screws, with the diameter of small, medium and large respectively. Their aspect ratio is about 22,20,18. The screw length and injection stroke of ...
What are the precautions for screw barrel maintenance?
18-06-2020
What are the precautions for screw barrel maintenance? 1. If the nozzle, screw head and flange are installed or replaced, the screw surface of the bolt shall be coated with high temperature anti-corrosion paste to facili...