At present, the screw materials commonly used in China are 45 steel, 40Cr, ammoniated steel, 38CrMOAl, and high temperature alloy. No. 45 steel is cheap, good processing performance, but poor wear and corrosion resistanc...
The screw consists of a feed section, a compression section and a metering section. The outer surface of the screw is a cylinder with a spiral groove or a cone with a conical spiral groove. Screws are used in plastic mol...
Back pressure One. Increasing the back pressure can increase the work of the screw on the molten resin, eliminate the unmelted plastic particles, increase the density and uniformity of the raw materials in the material t...
The main factors affecting the quality of screw plasticization are: aspect ratio, compression ratio, back pressure, screw speed, barrel heating temperature, etc. Length to diameter ratio: the ratio of the effective worki...
The conveying element is threaded and its function is to transport materials (including liquid materials). The shape of the groove can be rectangular and a special shape (engagement type) generated according to the princ...
Plastic extruders play a very important role in the production of plastic products. Many plastic products are produced by plastic extruders. So what is the mechanical principle of a plastic extruder? How is it produced? ...
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