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The Reasons for the Unstable Extruder Screw Speed
06
Aug
2021
Ⅰ. Common causes of unstable working speed of extruder screw1. The driving V-belt is severely worn, causing slipping during work.2. The center distance of the V-belt drive pulley is too small, so tha...
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The Types and Characteristics of Extruder Screw
04
Aug
2021
Ⅰ. Types and characteristics of extruder screwThe characteristics of the gradual extruder screw: the compression section is longer, accounting for 50% of the total length of the screw, the energy con...
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Extruder Screw Arrangement Requirements and Barrel Noise Analysis
02
Aug
2021
Ⅰ. The extruder screw arrangement requirementsThe screw arrangement of the extruder must be determined according to the displacement of the extruder. Different specifications of the extruder have dif...
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What Are the Commonly Used Extruder Screw Materials?
19
Jul
2021
Currently commonly used extruder screw materials are: 45 steel, 40Cr, ammoniated steel, 38CrMOAl and so on.1. The extruder screw material 45# steel is cheap with good processing performanceIt has poor...
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Adjusting Methods of Screw Clearance of Conical Twin Screw Extruder
17
Jul
2021
1. Install the front and rear supports on the barrel and put the twin screw extruder screw elements on the main frame together.Before shaking, the manual crank handle is supported and the barrel is mo...
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Discussion on the Causes of Screw Wear and the Methods of Reducing Wear
15
Jul
2021
The screw of the plastic extruder works under high pressure, high temperature, high mechanical torque and high friction environment for a long time. Generally, the screw has undergone surface nitridin...
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The Cleaning Methods of Extruder Screw
13
Jul
2021
The extruder screw needs to be cleaned under normal conditions such as changing the color or turning on the machine after shutting down, with black spots.Ⅰ. What are the cleaning methods of extruder ...
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The Main Factors Affecting Plasticizing Quality of Extruder Screw
11
Jul
2021
The main factors affecting the quality of plasticization are: length-to-diameter ratio, compression ratio, back pressure, plastic extruder screw speed, barrel heating temperature, etc.Ⅰ. Length-to-di...
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Three basic structural forms of extruder screw
09
Jul
2021
According to the change of the screw lift and the depth of the screw groove, the screw of the conventional full-thread three-stage extruder can be divided into three types:Ⅰ. Isometric variable depth...
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From Which Aspects is the Output of Extruder Screw Compared?
07
Jul
2021
Output is a main indicator to measure the performance of the extruder screw. However, it is of little significance to only emphasize the percentage increase in the output of the improved screw over th...
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Factors Needed to Be Considered in Screw Design
05
Jul
2021
It is not easy to design an extruder screw that meets the standards with excellent performance. When designing the extruder screw, the following factors should be considered comprehensively:Ⅰ. The ch...
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Application and Structure of Twin Screw Extruder Barrel
03
Jul
2021
The barrel of the twin-screw extruder is the same as in the extrusion compression molding system, and is an important part of the extruder. The barrel and the extruder screw work together, the barrel ...
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Structural Forms of Hopper of Twin Screw Barrel
01
Jul
2021
The structure of the twin screw barrel feeding hopper is commonly used in ordinary hoppers, forced feeding hoppers and vibrating feeding hoppers.1. Ordinary hopper with twin screw barrelThis simple st...
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Protection Method of Twin Screw Barrel Screw
08
Jun
2021
Corrosive, abrasive and high temperature resistant resins may damage the twin screw barrel screws with no one knowing it. For example, certain engineering materials, thermoplastic elastomers and biopo...
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How to Choose a High-quality Parallel Twin-screw Barrel?
07
Jun
2021
1. Features of parallel twin screw barrel(1) The parallel twin screw barrel has the advantages of reasonable screw structure design, good plasticizing effect, high output and stable extrusion. The spi...