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china latest news about Metal material process performance noun

Metal material process performance noun

October 30, 2023

1. Castability (castability) Refers to the performance of metal materials that can be cast to obtain qualified castings. Castability mainly includes fluidity, shrinkage and segregation. Fluidity refers to the ability of liquid metal to fill the casting mold. Shrinkage refers to the degree of volume ...
china latest news about Surface treatment AP/MP/BA/EP

Surface treatment AP/MP/BA/EP

October 28, 2023

AP: pickling pipe (anneal treatment & passivation) / (acid pickling). MP: mechanical grinding process or mechanical polish (mechanical polish). BA: bright passivation treatment or bright annealing (bright anneal treatment)/(bright annealing). EP: electrolytic grinding treatment. Stainless steel BA ...
china latest news about Advantages and disadvantages of gold plating and silver plating

Advantages and disadvantages of gold plating and silver plating

October 27, 2023

Compared with gold plating and silver plating processes, gold plating is more optimistic because gold plating is more durable and the corrosion resistance of silver plating is not as good as gold. Moreover, the silver layer will oxidize and slowly turn black over time, so no matter how good the ...
china latest news about Stamping material properties

Stamping material properties

October 26, 2023

1. The material separation process during blanking can be divided into three stages: Elastic deformation stage: In the initial stage when the punch just contacts the sheet material, elastic deformation occurs. Plastic deformation stage: The downward pressure of the punch increases and plastic ...
china latest news about Commonly used materials for stamping

Commonly used materials for stamping

October 25, 2023

Material requirements for stamping process: 1. First of all, the requirements for the use of stamping parts must be met: strength, stiffness, electrical conductivity, thermal conductivity, importance, corrosion resistance, etc. 2. To meet the stamping process conditions, it should have good ...
china latest news about The craftsmanship of stamping parts

The craftsmanship of stamping parts

October 24, 2023

The craftsmanship of stamping parts refers to the ability of the blanking parts to adapt to the process. That is, the structural shape, size, workpiece accuracy of the punched parts are related to the difficulty of punching. Shape and size requirements for stamping parts: 1. The shape of the ...
china latest news about Explanation of stamping terms

Explanation of stamping terms

October 23, 2023

Lugs The lugs are the ear-shaped protrusions on the upper edge of the drawn part. Feeding Feeding is to send raw materials into the mold for stamping. Feeding device The feeding device is a device that feeds raw materials into the mold. Common feeding devices include roller type, clamping type, hook ...
china latest news about Plastic raw material baking conditions

Plastic raw material baking conditions

October 21, 2023

Number Raw material Color Drying temperature (℃) Drying time (Hr) Molding temperature (℃) Circulation temperature (℃) 1 LCP B 140±10 4-8 300-340 80-110 W 140±10 4-6 300-340 80-110 2 PA66 B 100±10 4-8 260-320 80-110 W 80±10 4-6 260-320 80-110 3 PBT B 140±10 3-5 230-270 80-110 W 120±10 4-6 230-270 80...
china latest news about Why does plastic material turn yellow after injection molding? The main causes and improvement of yellowing

Why does plastic material turn yellow after injection molding? The main causes and improvement of yellowing

October 20, 2023

Yellowing refers to the phenomenon of an item turning yellow when exposed to natural light, ultraviolet radiation, heat, oxygen, stress, chemical etching, moisture, and other conditions, as well as improper production processes. This is the basic definition of yellowing. The main reasons for ...
china latest news about CNC mold processing technology 12 standards

CNC mold processing technology 12 standards

October 19, 2023

1. Processing technology of inclined top guide block 1) Wire cutting processing: cut the shape quickly by wire, leaving a grinding machine. 2) Grinding machine processing: grind the hexagon square to ensure accurate outer dimensions. 3) Milling machine processing: threading holes and screw holes. 4) ...
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