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Common methods for cleaning screw barrels of presses
14-02-2020
(1) Use barrel cleaner If the raw materials for injection products are changed frequently or the plasticizing temperature range of the residual material in the barrel and the refueling material is greatly different, in o...
The main factors affecting the plasticization quality of the screw
10-02-2020
The main factors affecting plasticization quality are: aspect ratio, compression ratio, back pressure, screw speed, barrel heating temperature, etc. 1. Length-diameter ratio: The ratio of the effective working length of ...
Advantages of twin screw extruder and single screw extruder
21-01-2020
Plastic extruder can be divided into single screw extruder, twin screw extruder and multi-screw extruder according to the number of screws. At present, single screw extruder is the most widely used and suitable for extru...
What are the auxiliary devices for twin screw extruder?
11-01-2020
The twin-screw extruder was developed on the basis of a single-screw extruder. Due to its good feed performance, mixing and plasticizing performance, exhaust performance, extrusion stability and other characteristics, it...
Method for reducing wear degree of screw of injection molding machine
04-01-2020
The screw of the injection molding machine is operated under high temperature, high pressure, high mechanical torque and high friction for a long time. The first few factors are the process conditions, and the wear cause...
Generally also have fingertips coarse teeth hardwood screw
28-12-2019
Generally also have fingertips, coarse teeth, hardwood screws, aluminum alloy, plastic. One of the special self-tapping screws that open a metal hole cutting screw is called a "wire attack". Self-tapping screws are used ...

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