In this post i will show structure of two plate injection mold .
+ Locate Ring.
Positioning injection mold and injection molding machine
Positioning the center of the Nozzle and sprue bush
+ Sprue Bush.
+ Top Clamping Plate.
Holds the fixed side of the mold to attached at the fixed plate of the injection machine. This plate will attach locate ring, bolt, and sprue bush.
+ Bottom clamping plate.
Hold the movable side of the mold such as: spacer block, support plate, cavity plate and ejector system to the movable platen of the injection machine.
+ Guide pin & guide bush.
+ Cavity plate.
Use for make appearance of product, it can attach runner system, guide pin, cooling system,…
+ Core plate.
Use for make structure of products, I can attach ejector system, cooling system,…
+ Slide core. It can be used for make undercut of products.
+ Support pillar.
+ Return pin.
+ Sprue lock pin.
Make undercut for sprue
Hold runner when mold open.
+ Ejector plate & stop pin.
Ejector plate: Pushes the ejector pins and return pins, connected with ejector rods.
+ Ejector pin. Pushes products go out to the mold