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Zhejiang Guangming Plastics Machinery Co., Ltd.

30

2020-12

Common structure classification of rubber screw

The normal cooperation between the rubber screw and the barrel ensures the continuous extrusion of the extruder for the production of raw materials. The common structural classification of rubber screws can be divided into three forms according to the change of thread lift and groove depth: equidistant deepening screws, equidistant deepening screws are classified according to the change speed of groove depth; Equal depth variable pitch screw means that the depth of the screw groove is unchanged, and the pitch is a rubber screw with a wide gradual change from the beginning of the feeding section to the end of the homogenizing section. The screw with variable depth and variable pitch is a rubber screw whose thread lift gradually narrows from wide to narrow and whose groove depth gradually becomes shallow from deep.

2020-12-30

16

2020-12

What are the fracture maintenance methods of rubber screw?

The fracture of the rubber screw is a damage caused by low cycle fatigue. After the rubber screw is broken, a new screw can be re-manufactured according to the old screw. The wear-resistant alloy can also be thermally sprayed on the surface of the rubber screw, and then polished to improve the corrosion resistance and wear resistance of the screw. In addition, the surface of the rubber screw can also be plated with a layer of hard chromium, chromium this molecule has good corrosion resistance and wear resistance.

2020-12-16

07

2020-11

Comparison and difference between injection molding machine barrel screw and extruder screw

There are many differences between the barrel screw of injection molding machine and the extruder screw. The following is a brief introduction to the comparison and difference between the barrel screw of injection molding machine and the extruder screw. Injection molding machine barrel screw and extruder screw on the processing data are also different, the viscosity of the material is not the same. The barrel screw of the injection molding machine requires that the plastic raw material can flow in the mold, and the extruder screw is generally bent and narrow, so the fluidity of the plastic raw material must be better.

2020-11-07

04

2020-11

What are the methods to improve the performance of injection molding machine barrel screw?

Injection molding machine barrel screw performance improvement method: When inorganic minerals slide at high speed on the surface of the injection molding machine barrel screw, the scraping effect is not small. Therefore, the injection molding machine barrel screw speed should not be adjusted too high. Remove moisture, the moisture contained in the plastic has a certain impact on the wear of the screw surface of the injection molding machine barrel. The damage of the debris in the plastic to the barrel screw of the injection molding machine is self-evident (the cylinder will also be damaged at the same time). Therefore, a magnet bracket must be installed to strictly manage and monitor the material.

2020-11-04

02

2020-11

Design Principle and Selection Skills of Injection Molding Machine Barrel Screw

Injection molding machine barrel screw is an important part of the injection molding machine. Its function is to transport, compress, melt, mix and apply pressure to the plastic. All of this is done by rotating the screw in the cylinder. When the injection molding machine barrel screw rotates, the plastic will produce friction and mutual movement between the inner wall of the barrel, the bottom of the screw groove, the edge of the screw and the plastic. The basic working principle of the injection molding machine can be understood as the plastic material is uniformly plasticized in the cylinder, and then the injection products are obtained by injection, filling, holding pressure, cooling and so on.

2020-11-02

01

2020-10

"Made in Zhejiang" Certification 2019 Annual Quality Integrity Report

The quality integrity report issued by the company is compiled according to the relevant national quality laws and regulations, rules and related industry quality standards and norms. The report on the company's quality integrity and quality management is a true reflection of the company's current situation, the company is responsible for the objectivity of the content of the report, the authenticity and scientific nature of the relevant statements and conclusions.

2020-10-01

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