What are the types of mold processing?

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Stamping die: divided into punching die, bending die, stretching die and compression die. Processing metal plates.

Plastic molds: divided into compression molding molds, injection molding molds, extrusion molding molds, blow molding molds, and vacuum molding molds. Processing thermosetting plastics, thermoplastics.

Die casting mold: pressure casting mold. Processing low melting point alloys. Forging die: Forging into a forming die. Processing metal. Powder metallurgy mold: pressure forming mold. Processing metal powder. Ceramic mold: pressure forming mold. Processing ceramic powder.

Rubber mold: divided into compression molding mold, injection molding mold and extrusion molding mold. Processing rubber.

Glass mold: divided into compression mold and blow mold. Processing glass. Casting mold: divided into sand mold, shell mold, lost wax mold, pressure casting mold, metal mold. Processing molten alloys.

Two plate mold (2 PLATE MOLD), also known as a single parting surface mold, is the simplest kind of injection mold.It uses the parting surface as the boundary to divide the entire mold into two parts: moving mold and fixed mold. Part of the cavity is in the moving mold; part of the cavity is in the fixed mold. The main channel is in the fixed mold; the flow channel is opened on the parting surface. After the mold is opened, the product and the flow channel remain in the moving mold, and the moving mold part is equipped with an ejection system 2. Three-plate mold or fine gate mold (3 PLATE MOLD, PIN-POINT GATE MOLD) has two parting surfaces to divide the mold into three parts, and a gate plate is added than the two-plate mold. It is suitable for products that are not allowed to be poured around. In the case of mouth marks, this mold uses a point gate, so it is called a fine nozzle mold. This mold structure is correspondingly more complicated. The starting power is a screw or a pull plate. 3. Hot runner mold (HOT RUNNER MANIFOLD) with the help of a heating device The plastic in the pouring system will not solidify and will not be demolded with the product, so it is also called a runnerless mold. Advantages: 1) No waste 2) Can reduce injection pressure, can use multi-cavity mold 3) Can shorten the molding cycle 4) Improve the quality of the product. The characteristics of the hot runner molding compound: 1) The plastic has a wide melting temperature range, good fluidity at low temperature, and good thermal stability at high temperature. 2) It is sensitive to pressure, not The pressure does not flow, but it can flow when the pressure is applied. 3) The specific heat is small, it is easy to melt, and it is easy to cool. 4) The thermal conductivity is good, so that it can be cooled quickly in the mold. Available hot runner plastics are: PE, PE , ABS, POM, PC, HIPS, PS

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Post time: Jul-17-2020