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Introduction of extruder screw
10-02-2020
Modern plastic extruders widely use combined screws, distribution mixing screws, and adding barriers or pins on the screws to improve plasticization, production capacity and product quality. The combined quality of the t...
Briefly describe the selection and differentiation of various models
19-01-2020
Double-alloy screw: For recycled materials with more impurities, plastics with more glass fiber reinforced plastics and inorganic mineral fillers (calcium powder, carbon powder, talcum powder, etc.), the screw has good w...
Causes and maintenance methods of extruder screw breaks(2)
11-01-2020
2.2 Cause analysis of screw micro fracture Scanning electron microscope morphology analysis was performed on the fatigue crack propagation region and transient fracture region of the screw fracture. 2.2.1 Analysis of fra...
Causes and maintenance methods of extruder screw breaks(1)
28-12-2019
According to the analysis of the fracture surface, the screw fracture is a low-cycle fatigue failure. Three sections are clearly visible on the cross section: the source of fatigue cracks; the fatigue crack propagation r...
Material introduction of plasticized screw
14-12-2019
Material introduction of plasticized screw 1. ACM2 (West German material, commonly known as black and white cross): ACM2 is an aluminum-molybdenum-nickel-molybdenum alloy steel, which can be quenched and tempered up to ...
Plastic plasticizing screw is distinguished according to geometric appearance
29-11-2019
Plastic plasticizing screws are divided into three sections according to their geometric appearance: 1. Feed zone This zone is the ditch depth of the fixed screw ditch. Its function is to be responsible for preheatin...