Gate is the connector between runner and cavity. Gate design following : location, number, geometry, dimension,… is very important for appearance, production efficiency, dimension accuracy.
Plastic molding
Plastic molding how to design gas vent
Gas vent is space that air can go out of mold. When molten plastics fills up the mold. The air or molten plastics left in the mold will generate gas. If they can not go out of mold, appearance of samples will not good: have gas, fire, …
two plate mold review plastic molding
Two plate mold has one parting line which is consist of fixed and flexible plates. Fixed plate attach to stationary platen on injection machine where resin is ejected. Flexible plate attach to moving platen on injection machine where has clamping system.
Plastic molding basic design of sample P2
To continue P1, today i will update plastic molding basic design: draft angle of sample, boss of sample,….
plastic molding basic design of sample P1
When you design a product for plastic molding, you must care many point : quality, cycle of product, material, injection machine, liquidity, mold designing condition,… In this lesson, i will explain about: Thickness of sample, sharp corner, rib of sample,…
injection molding calculate clamping force
Calculate clamping force is necessary in injection molding process. It is force to keep mold closed when injection machine push molten plastics in to injection mold. This post will explain about clamping device, calculation of the clamping force, projected area and injection pressure,…