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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...
Causes of screw damage and disassembly sequence
06-03-2020
Cause of screw damage 1. The temperature is low when the raw materials are plasticized. 2. Metal foreign materials are mixed in the raw materials or there are many impurities in the raw materials. 3. The screw idle runni...
Causes and troubleshooting of twin screw extruder failure(2)
22-02-2020
Fourth, the main motor bearing temperature rise is too high Cause: Poor bearing lubrication. Bearing wear is severe. Solution: Check and add lubricant. Check motor bearings and replace if necessary. Five, the head is not...
Causes and troubleshooting of twin screw extruder failure(1)
17-02-2020
Twin screw extruder, like other mechanical equipment, will cause some failures when used for a long time. Below, Jayne Electric will introduce you to common faults of twin screw extruder, their causes and troubleshooting...