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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...
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Common Materials and Material Requirements for Twin Screw Barrel Screws
06
Jun
2021
1. Commonly used materials for twin screw barrel screwsThe most common screw barrel materials in China are 45# steel, 40Cr, nitrided steel and 38CrMOAl. The performance requirements of these materials...
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What Are the Methods of Disassembly and Repair of Screws?
05
Jun
2021
1. Reasons for the damage of screw elements(1) The temperature of raw materials is low during plasticization.(2) The raw materials are mixed with metal foreign matters or the raw materials contain man...
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Heating and Cooling of the Extruder Screw Barrel
04
Jun
2021
1. Heating method of the screw and barrel of extruderThe heating of the machine adopts the way of resistance heating, and thermocouples are used for segmented temperature control and side detection. R...
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How to Clean the Extruder Screw? What is the Cleaning Process?
03
Jun
2021
1. Cleaning the extruder screwThe material for extruder screw cleaning adopts high-efficiency surface active technology, which can effectively improve the cleaning ability. In the extrusion process of...
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Advantages and Common Problems of Extruder Screw
02
Jun
2021
The extruder screw is the most important part of the plastic machinery and equipment, and it is directly related to the plasticizing effect and output of the plastic machinery.1. Advantages of extrude...
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The Reasons Why the Extruder Screw Suddenly Does Not Rotate
01
Jun
2021
During the extrusion process, the extruder screw may suddenly get stuck. At this time, if the protection device of extruder does not work, the operator should immediately stop the operation. More comm...
