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Correct Maintenance Tips for Twin Screws
10
Nov
2021
When the material is processed, it is necessary to make the processed material obtain the energy required for the physical change and part of the chemical change. The twin-screw extruder is one of the...
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Usage Method and Jamming Problem of Extruder Screw Barrel
08
Nov
2021
The extruder screw runs for a long time in high temperature, high pressure, high mechanical torque and high friction environment. The process conditions of the screw barrel of the extruder require the...
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Heating Method of Extruder Barrel Screw and Improvement of Wear Resistance
03
Nov
2021
1. Three common heating methods of extruder barrel screwThe extruder barrel screw can be known in the extrusion process that the barrel screw is working under high temperature, corrosion, intense wear...
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Design Principle and Manufacturing Status of Extruder Screw
01
Nov
2021
1. Design principle of extruder screwThe main part of the extruder screw is an ordinary screw, which can be set in the melting section of the extruder screw or the groove of the metering section, or o...
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Why Are the Screw and Barrel Destroyed?
19
Oct
2021
The combined working quality of the screw and barrel has an important impact on the plasticization of materials, product quality and production efficiency. Their work quality is related to the manufac...
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What Aspects of Ordinary Screws Need to Be Improved?
17
Oct
2021
Screw and barrel are the central components of plastic molding equipment. It is the heating, extruding, and plasticizing part, and the center of plastic machinery. Extruder screws are widely used in m...
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How to Prevent the Dual-alloy Screw from Slipping?
15
Oct
2021
When the bi-alloy extruder screw is difficult to press at the feeding port, or the adhesive force along the length of the extruder barrel cannot be formed to convey the material, the screw of the bi-a...
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The Causes of Extruder Screw Abrasion and the Methods of Reducing Abrasion
13
Oct
2021
The extruder screw is operated under high pressure, high temperature, high mechanical torque and high friction environment for a long time. Generally, the extruder screw has undergone surface nitridin...
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How to Correctly Judge the Quality of the Extruder Screw?
11
Oct
2021
The pros and cons of the extruder screw can be evaluated by the following points:Ⅰ. The plasticizing quality of the extruder screwAn extruder screw must first be able to produce products that meet th...
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How to Deal with the Clogging of the Extruder Screw?
09
Oct
2021
Ⅰ. What should you do if the extruder screw barrel is filled with materials and the extruder screw cannot rotate?Heat up the extruder barrel, let the material melt, keep it warm for a period of time,...
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What Factors Will Affect the Injection Molding of the Extruder Screw?
07
Oct
2021
Ⅰ. The factors that affect the injection molding of the extruder screw1. The speed of the extruder screw is directly proportional to the production capacity. That is, the productivity basically depen...
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Extruder Screw Is the Main Factor Affecting the Quality of Plasticization
05
Oct
2021
The main factors affecting the quality of plasticization are length-to-diameter ratio, compression ratio, back pressure, extruder screw speed and barrel heating temperature and so on.Ⅰ. The length to...
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Does the Clearance between the Screw and Barrel Affect the Performance?
03
Oct
2021
The radial expansion of the extruder screw barrel caused by the pressure load, and the occurrence of the gap change is quite small, which can be ignored. On the contrary, the temperature difference of...
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The Correct Cleaning Method of Barrel Screw and Screw Maintenance Analysis
01
Oct
2021
Ⅰ. Cleaning of extruder screw1. Remove the extruder screw head, check ring and thrust ring.2. Use a brass brush to remove the resin residue on the extruder screw, and wipe off the residual melt with ...
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How to Do Preventive Maintenance for the Screw and Barrel?
10
Sep
2021
Excessive wear can cause serious losses to processors. Excessive gaps between the screw threads of the extruder and the surface of the extruder barrel will affect the performance, power and power cons...
