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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...
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What Are the Factors Leading to Screw Breaking?
07
Sep
2021
The extruder screw works under higher load stress, but the working speed is lower, so it runs under the action of high stress and lower alternating frequency.1. Analysis of the operating load of the e...
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What You Need to Know About Conical Twin Screw
04
Sep
2021
1. How does the conical twin extruder screw work?The conical twin screw rotates in the extruder barrel, and the friction between the material and the two causes the working surface of the extruder scr...
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Precautions and Working Process of Extruder Barrel
01
Sep
2021
1. Precautions for the extruder barrel1. After the extruder barrel heats up, remove the nozzle, the head coupling body of the extruder barrel, and take out the extruder screw. Brush the inner wall of ...
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Worn Repair and Use of Screw and Barrel
21
Aug
2021
Ⅰ. How to repair the wear of screw and barrel?For screw and barrel wear, here is a refurbishment and repair method to teach you:ⅰ. When the extruder screw is twisted and broken, the outer diameter o...
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How Can We Avoid the Damage of Barrel Screw?
18
Aug
2021
The extrusion molding equipment mainly includes two parts: main machine and auxiliary machine. The main machine is called an extruder, which is composed of an extruding system screw, barrel, feeding d...
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Matters on Extruder Screw Refurbishment and Polishing As Well As Debris Removal
15
Aug
2021
Ⅰ.Matters needing attention in extruder screw refurbishment and polishing matters1. In order to avoid scratching and burning the surface of the extruder screw workpiece, it should be specially care o...
