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What are the applications of building fastener bolts
15-04-2021
Building fastener bolts, in the construction of construction projects, fasteners are essential and important facilities, mainly used for the connection between steel pipes and steel pipes, and the amount of use is very l...
What is the role of the screw and barrel of the injection molding machine?
09-04-2021
When the screw rotates and pushes the extruded raw material to move forward, the heat is transferred from the outside of the barrel to the raw material, and the volume of the screw thread groove is gradually reduced, so ...
How to choose plastic extruder screw?
01-04-2021
The plastic extruder is composed of many parts, among which the screw barrel is its main part. It plays a vital role in the extrusion, molding and plastics of plastics. Therefore, the structure and parameters of the plas...
Maintenance of twin screw extruder
25-03-2021
　In order to ensure the safe and stable production of the twin-screw extruder and prolong its service life, it is necessary to strengthen the maintenance of the twin-screw extruder. The basic contents are as follows: 　　 ...
Basic operation of single screw extruder
18-03-2021
Screw extruders are divided into single-screw extruders and multi-screw extruders. The single screw extruder is the most important type of extruder in the polymer industry. Its main advantages are low cost, simple design...
The main factor that the screw affects the quality of plasticization
11-03-2021
The main factors affecting the quality of plasticization are: length-diameter ratio, compression ratio, back pressure, screw speed, barrel heating temperature, etc. 　　1. Length-diameter ratio: the ratio of the effective ...