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What Are the Technical Requirements for Barrel and Screw Manufacturing Quality?
11
May
2022
Ⅰ. Quality and technical requirements of extruder barrel1. The barrel of the extruder should be made of anti-corrosion and wear-resistant alloy steel. China is currently mostly made of 38CrMoAL, 40Cr...
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The Cooling Purpose and Characteristics of the Extruder Barrel
05
May
2022
Extruder barrels are used in large twin screw extruders. The purpose of adopting this type of segmented combined extruder barrel is to facilitate the machining of the extruder barrel and save some mor...
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What Are the Commonly Used Screws?
02
May
2022
Usually screw elements can be divided into ordinary type, gradual type, mutation type, mixing type, separation type, split type and various barrier type, pin type, DIS split type and exhaust type, etc...
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What Should Be Used to Measure the Pros and Cons of the Extruder Screw?
28
Apr
2022
The screw and barrel are the most critical and soul parts of the injection molding machine, which are often called the heart of the extruder. It is in this part that the plastic (rubber) changes from ...
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The Role of Heat Insulation of Extruder Barrel Screw
25
Apr
2022
The screw and the barrel are the same as the screw in the extrusion compression molding system. They are all important parts of the extruder. When the extruder barrel screw is working, it needs to be ...
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What Are the Common Specification Units of Extruder Screw?
22
Apr
2022
Ⅰ. Metric and inch threads of screw elements1. The outer diameter of the metric thread of the screw element is in millimeters, such as 6, 8, 10, 12, 18, 20 mm, etc., and the pitch is also in millimet...
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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...