Design side gate is the most generally of mold design, and used well in multi-cavity mold. Its shape is a rectangle or semicircle, and placed at side of the molded product. It can use for a product with small side or middle thickness because gate structure is easy and don need high quality. […]
molding design
Plastic injection mold cooling system design
Design injection mold cooling system is very important. Cooling time is the longest circle in injection molding process, it takes up 50~80% of molding circle. Molten plastic has high temperature, If we don’t make cooling channels, the molding circle is very long, it is cause of molded defect as bending, sink marks, weld line, short […]
Plastics injection mold design calculate cavity quantity
Have you ever been worried when calculate cavity quantity of injection mold design? Do you want to know how many cavities are suitable for your machine? I think you don’t want to use 250 tone machine for production small items, it is very to waste your money. How to calculate the cavities number of injection […]
slider cooling channel construction in mold injection
Why do we need slider cooling channel in mold injection? A slider core used to solve undercut of product. It is separate with a core and cavity plate. As you know, in injection molding process, molten plastic was ejected into mold by high pressure of cylinder. Temperature of molten plastic will heat up slider core. If […]
Parting lock in plastics injection mold
Parting lock in plastics injection mold is an equipment that use to fix cavity plate and core plate when mold open. It creates the friction force to help cavity plate open more slowly. There are two types of parting lock. I. Parting lock in plastics injection mold with mechanism. 1. Nylon parting lock. + Allows adjustment […]
plastics injection mold design process
Before starting mold design process, designer must complete many questions about all the requirements which must be filled be the product. This is typical of question: 1. Question from the customer. + How can the product be made? + Is the product expected to have long time? + How many times does product be reused? […]