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china latest news about Causes of dimensional errors in plastic parts and injection molding parts during the manufacturing process

Causes of dimensional errors in plastic parts and injection molding parts during the manufacturing process

October 7, 2023

Materials: Non-uniformity of molding materials. Molding process: 1. The operating process conditions change. 2. Control accuracy error of molding equipment. Mold status: 1. Manufacturing tolerance of mold dimensions. 2. Mold wear. 3. The matching position error between the movable parts of the mold. ...
china latest news about Commonly used metal materials and their characteristics, advantages and disadvantages in CNC machining and mold processing

Commonly used metal materials and their characteristics, advantages and disadvantages in CNC machining and mold processing

October 6, 2023

1. 45—high quality carbon structural steel, the most commonly used medium carbon quenched and tempered steel Main features: the most commonly used medium carbon quenched and tempered steel has good comprehensive mechanical properties, low hardenability, and is prone to cracks during water quenching. ...
china latest news about Characteristics, advantages and disadvantages of ABS materials

Characteristics, advantages and disadvantages of ABS materials

October 5, 2023

ABS has excellent impact resistance, heat resistance, low temperature resistance, chemical resistance and electrical properties. It also has the characteristics of easy processing, stable product size and good surface gloss. It is easy to paint and color, and can also be surface sprayed. Secondary ...
china latest news about Advantages and disadvantages of polypropylene PP materials

Advantages and disadvantages of polypropylene PP materials

September 28, 2023

Advantages of polypropylene PP material: 1. The mechanical properties of polypropylene PP material are better than those of PE, ABS and PS at normal temperature. Especially when the temperature exceeds 80°C, its mechanical properties will not drop much. 2. The surface hardness of polypropylene PP ...
china latest news about Metal plating processes - test methods and quality indicators

Metal plating processes - test methods and quality indicators

September 27, 2023

In the absence of special provisions, appearance inspection shall be carried out according to the following conditions: Normal inspection can be carried out under natural light or near natural light with an illumination of 300 to 600LX (such as 40W fluorescent lamp, 500mm distance) and a distance of ...
china latest news about Metal plating processes - requirements for production equipment and raw materials

Metal plating processes - requirements for production equipment and raw materials

September 26, 2023

Production line water quality requirements: 1. All process tanks must use deionized water or distilled water; 2. The cleaning water before and after passivation must use deionized water or distilled water; other cleaning water must meet the drinking water requirements of GB 5749. 3. The water flow ...
china latest news about Metal plating processes - process design requirements

Metal plating processes - process design requirements

September 25, 2023

1. The electro-zinc plating process should use an environmentally friendly cyanide-free electroplating process; passivation cannot use a process containing hexavalent chromium. Except for fasteners, there cannot be any "sealing" type processing operations in the post-plating treatment process. 2. ...
china latest news about Metal plating processes - terms and definitions

Metal plating processes - terms and definitions

September 23, 2023

Standard tape: refers to an adhesive tape product that complies with ISO2409 and is specially used to test the adhesion of surface coatings. Its adhesion on metal surfaces or organic coating surfaces is not less than (10± 1) N / 25 mm. Customized parts: refers to all materials other than self-made ...
china latest news about How long is the service life of an injection mold? How to evaluate?

How long is the service life of an injection mold? How to evaluate?

September 22, 2023

Generally, ordinary molds are designed for at least 300,000 molds, and the lifespan of many molds can reach 1 million molds. Of course, they need to be well maintained. How to evaluate the service life of an injection mold? First of all, we need to look at what kind of material the product is made ...
china latest news about 7 surface treatment processes for stainless steel: PVD process, sandblasting, chemical and mirror treatment, etc

7 surface treatment processes for stainless steel: PVD process, sandblasting, chemical and mirror treatment, etc

September 21, 2023

Different stainless steel surface treatment processes can make the same material highlight different visual effects and feel characteristics. From a design perspective, need to understand the surface treatment processes of the following seven types of stainless steel. 1. PVD process PVD (Physical ...
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