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The reason why the extruder screw does not turn suddenly
15-04-2020
During the extrusion production process, there may be a phenomenon that the extruder screw / suddenly freezes. At this time, if the extruder protection device does not work, the operator should stop immediately. In most ...
How to choose the screw of film blowing machine
07-04-2020
How to choose the screw of film blowing machine? 1. Different raw materials require the use of barrel screws with different structures. 2. The production of different products requires the use of different barrel screws....
How to reduce the wear of screw barrel and improve the use of screw barrel
03-04-2020
The screw of the injection molding machine works under high pressure, high temperature, high mechanical torque and high friction environment for a long time. The first few factors are required by the process conditions, ...
Screw repair and strengthening process steps(2)
28-03-2020
5. Warming up the workpiece before spraying The pre-heating of the workpiece before spraying has great practical significance. It can remove the moisture on the surface and reduce the stress accumulation of the coating. ...
Screw repair and strengthening process steps(1)
20-03-2020
Surface cleaning Before the screw spray welding, the plastic attachments on the surface of the screw need to be cleaned. The cleaning method is to install the screw on a spraying machine to rotate, use a neutral flame to...
Extruder screw repair technology
14-03-2020
1. The twisted extruder screw should be considered according to the actual inner diameter of the barrel, and the outer diameter deviation of the new extruder screw should be manufactured according to the normal clearance...