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How To Design Injection Mold Air Vent?
Original: Original | Author: DGMF Mold Clamps | Publish Time: 2020-07-11 | 8178 Views | Share:
Appropriate opening of the injection mold air vent can greatly reduce the injection molding pressure, injection molding time, holding time, and injection mold clamping pressure, making the plastic parts from difficult to easy, thereby improving production efficiency, reducing production costs, and reducing the energy consumption of the machine.

Shot-blasting the matching surface of the parting surface with silicon carbide abrasive with a particle size of 200#;

The air vent is set at the end of the flow of the pouring system, which mainly refers to the exhaust groove at the end of the runner. Its width should be equal to the width of the runner, and the height varies depending on the material.

3. The design method of injection mold air vent

Based on many years of experience in injection mold design and product trial mold, this article briefly introduces the design of several injection mold air vent.

For product molds with complex geometries, the opening of the exhaust groove is best determined after several trial molds. The overall shortcoming of the overall structural form in mold structure design is the poor exhaust.

For the overall cavity core, there are the following exhaust methods:

Use the groove or insert installation part of the cavity

Use the side insert seams

Partially made into a spiral shape