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The relationship between the mold and the quality of plastic products

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  • 15/08/2017

The relationship between the mold and the quality of plastic productsMold structure, shape, temperature and melt flow finish. The choice of a reasonable or not, the quality of the extruded products have a direct impact. When the following quality problems occur when the product is molded. If the machine is simple, the plastic parts of the screw on the quality of the product has been ruled out, then from the working conditions of the mold to find out the factors that may affect the quality of prod…

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The use of forming molds

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  • 14/08/2017

The use of forming moldsMolding molds are generally made of high quality alloy steel, machining precision is relatively high, so the mold manufacturing costs. Operators pay attention to the rational use of forming chess pieces, can extend the application of mold time.This is to reduce the cost of plastic products production, improve the economic benefits of the production of extruder favorable. Production of mold on the use of mold should pay attention to the following matters.1. Forming parts in…

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Test of Extruder

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  • 04/08/2017

Test of Extruder After the extrusion line is installed, the workers will be cleaned up from the production workshop to clean up the extruder production line, sanitation, and clean the equipment. The technician should read the instruction manual of the extruder carefully according to the contents of the manualRequires the development of test production of plastic products, test production procedures, test equipment and test equipment and test the use of test time. Organization of the extruder pro…

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Selection and Formulation Design of Ultra - white PVC Rigid

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  • 01/06/2017

Selection and Formulation Design of Ultra - white PVC Rigid 1. Selection and formulation design (1) Raw material selectionAs we all know, PVC product processing formula, in addition to the appropriate selection of grades of PVC resin, there must be heat stabilizer, processing aids, lubricants, impact modifier, according to the processing and use of different products, Plasticizers, antioxidants, antistatic agents and pigments. 1) PVC resin. As the product of the whiteness requirements are very hi…

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Advantages and Disadvantages of Conical Twin Screw Extruder

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  • 08/05/2017

Advantages and Disadvantages of Conical Twin Screw ExtruderThe two tapered screws are engaged with each other in the barrel, and the top of the screw has a reasonable gap between the top of the screw and the root of the other screw.Due to the opposite rotation, a screw on the material spiral forward the road was blocked by another screw, the material can only push the thread, Through the part of the gap axis forward. When the material through the radial gap between the two screws, as if through t…

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Overview and Characteristics of Twin Screw Extruder

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  • 04/05/2017

Overview and Characteristics of Twin Screw ExtruderThe twin-screw extruder was developed on the basis of a single-screw extruder, so the twin-screw extruder had some commonality compared to the single-screw extruder. Today, the main differences are described. I. OverviewThe twin screw extruder is essentially a forward pump device, which is significantly different from the structure and operation of a single screw extruder, mainly in the following two aspects.First, the material delivery of …

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