The factors effecting to quality of products

 1. Introduction
 Injection is a themal plastic process that are molten plastics to push in the mold by a injection machine with high pressure and high temperature, then cooling to have products.

How to design rib of product

Ribs is the part of product which to increase the durability for product.
Many times the stiffness of a part must increase because of the load applied to the part design. One of the easiest ways to cure this problem is change the part geometry by adding ribs. The use of ribs is a practical way and economical means of increasing the structural strength of a part.

Basic points of mold designing (P1)

When you want to make smaple for injection process, you must care many point : quanlity, cycle of product, material, injection machine, liquidity, mold designing condition,... In this lesson, i will write about basic point of mold designing.

How to design gas vent in injection 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, ... So we must make several ways that air and molten plastic can go out of mold and those ways are gas vent.

What is cad ?

1.Definition.
  Cad - computer aided design: These are softwares that people can use for make plans, drawings, edit drawings,... by computer.

How do you choose parting line in injection mold

Parting line: This is the line created when the plates of the mold opened.
Parting surface: these are surfaces which use for assembly between cavity, core, slide core.

Ejector pins can’t return ,how can we do?

  Ejector pins are long pins that are used in the injection molding industry to push the final samples out of the mold. They are used forcefully to eject the solid part out of the mold and are usually made of high-quality steel.