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How to Disassemble the Extruder Screw? How to Repair It?
29
May
2022
Ⅰ. Reasons for damage to the extruder screw1. The temperature of raw materials is low when plasticizing.2. The raw material is mixed with metal foreign matter or there are many impurities in the raw ...
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Extruder Screw and Barrel Technology
26
May
2022
The basic working principle of the extruder screw and barrel is to melt and compact the polymer, push it to the mold at constant pressure, constant temperature and constant speed, and form a parison i...
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Analysis of Manufacturing Quality Requirements and Wear Solutions of Extruder Screw
23
May
2022
Ⅰ. What are the requirements for the manufacturing quality of the extruder screw?1. The screw used for the extruder should be made of alloy steel with small thermal deformation, wear resistance and c...
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Factors Affecting the Service Life of Extruder Screw and Barrel and Processing Requirements
20
May
2022
Ⅰ. Factors affecting the service life of the extruder barrel and screw1. Working conditions of extruder barrel and screwWhen working in a relatively harsh environment, the temperature is generally ab...
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Conditions and Methods of Using Barrel Screw
17
May
2022
Extruder barrel heating is widely used resistance heating, and thermocouples are used to achieve segmented temperature control and side detection. Resistance heating is the use of resistance to genera...
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Effective Ways to Prevent Screw Slippage
14
May
2022
Many customers have encountered many questions when using twin-screw extruders, such as why the products produced by twin-screw extruders are defective, and what to do with their screw slipping. If th...
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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 ...