Precautions Affecting the Processing Structure of Plastic Injection Mold

Precautions affecting the processing structure of Plastic Injection Mold

1. Plastic Injection Mold cavity layout. According to the geometric characteristics of plastic parts, dimensional accuracy requirements, batch size, mold manufacturing difficulty and injection mold cost, determine the number of cavities and their layout.

2. Determine the parting surface of the injection mold. The position of the parting surface is conducive to injection mold processing, venting, mold release molding operations, surface quality of plastic parts, etc.

3. Determine the injection mold gating system (the shape, position and size of the main runner, shunt runner and gate) and exhaust system (exhaust method, position and size of the exhaust port).

4. Select ejection methods of ejector pin, ejector pin, pusher plate, and combined ejector, and determine the method of down-cutting treatment and core-pulling method.

5. Determine the cooling method, heating method, the shape and location of the heating and cooling tank, and the installation location of the heating element.

6. Determine the thickness and shape, shape and structure of the mold parts, as well as all connections and positioning positions, according to the injection mold material, strength calculation or empirical data.

7. Determine the structure of the main molded parts and structural parts.

8. Consider the strength of each part of the injection mold, and calculate the working size of the mold parts.