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Maintenance of Extruder Screw
19
Apr
2022
Ⅰ. Selection and installation of extruder screw1. The extruder screw should be made of alloy steel with wear resistance and small deformation when working in a high temperature environment. After fin...
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System and Structural Features of Twin-screw Extruder Barrel
16
Apr
2022
Ⅰ. Structural characteristics of twin screw barrelThe notable feature of the twin screw barrel is that while the barrel can be split, the screw and the inner liner of the barrel can be combined at wi...
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What Are the Main Methods to Improve the Plasticizing Quality of Extruder Screw?
13
Apr
2022
The main method to increase the output of the extruder is to increase the screw speed. However, while increasing the rotational speed and the output, it often brings about the decline of plasticizing ...
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Basic Parameters of Extruder Screw
10
Apr
2022
Ⅰ. The diameter of the extruder screw (D)1. It is related to the required injection volume: injection volume per mold = 1/4 × π × D² × S (injection stroke) × density × 0.85.2. Generally speaki...
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Specifications and Characteristics of Extruder Screw Barrel
07
Apr
2022
The extruder screw barrel is the molding processing method with the most varieties, the most changes, the high productivity, the strong adaptability, wide range of uses and the largest proportion of o...
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Disassembly Sequence of Extruder Screw and Barrel
04
Apr
2022
When disassembling the extruder screw, special tools should be used and heavy hammer is not allowed. The specific disassembly steps are as follows:1. Disassemble the nozzle of the extruder screw and t...
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What Are the Requirements of Extruder Screw?
01
Apr
2022
1. The extruder screw should be made of alloy steel with small thermal deformation, wear resistance and corrosion resistance. Its common material is 38CrMoAlA alloy steel or 40Cr steel. Its repair par...
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Measures to Strengthen the Wear and Corrosion Resistance of Screw Barrel
04
Mar
2022
According to foreign data reports, one of the problems often encountered in extrusion and injection molding of plastic products is the rapid wear and corrosion of screw barrel. In many cases, the scre...
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The Cutting Performance of the Screw Barrel is Good
01
Mar
2022
Ⅰ. The molding process of the extruder screw barrelFirst of all, it is necessary to add granular or powdered plastic into the extruder barrel, and the plastic is melted by the rotation of the extrude...
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The Screw Barrel Needs Regular Cleaning to Ensure Its Functions
26
Jan
2022
1. Working characteristics of extruder screw barrel(1) The screw speed can be achieved for stepless pressure and speed control configuration.(2) The linear guide rail injection can replace guide pilla...
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Causes of Screw Barrel Problems and Treatment Methods
19
Jan
2022
1. Problems with the extruder screw barrel is probably caused by the following reasons:(1) A large amount of regrind is added to the plastic.(2) The screw barrel is coated with glue, and the plastic w...
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Repair and Strengthening Process Steps of Screw
12
Jan
2022
The repair and strengthening process of the extruder screw is as follows:1. Surface cleaning of the extruder screwBefore spraying the screw, you should clean up the plastic attachments on the surface ...
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What Are the Cleaning Methods for the Screw?
05
Jan
2022
The extruder screw can be cleaned by the normal replacement method or by using special detergent, the former method will consume a lot of resin.1. Water cleaning of the extruder screwUsing a small amo...
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Common Materials and Strength Calculation of Screw Barrel
29
Dec
2021
I. Extruder screw material1. Requirements for materialsIt can be seen from the extrusion process that the extruder screw works under high temperature, certain corrosion, strong wear and high torque. T...
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What is the Principle of Barrel Screw Repair?
22
Dec
2021
Screw and barrel are two important parts. One is a slender threaded rod, and the other is a small and long hole. Their machining and heat treatment processes are complex, and it is difficult to ensure...
