Apr 12, 2019
If the clamp force is too high for the chosen injection molding machine, multiple cavities with identical projected areas can be set behind each other inside the mold.
Despite the multiple parting plane, the clamp force is used only from one.
The reason for this is the neutralization of the cavity pressures of opposite positioned cavities.
The middle plate synchronizes by tooth gear, hydraulic or an articulated lever.
A mold that is designed in this way is called a stack mold.
Injection
Mold: Stack
mold with eight
cavities.
Related topics:
Mould Installation Height
Tiebar Spacing
This glossary of plastic industry is provided by PLEXPERT Canada Inc.
Apr 12, 2019
In the injection molding process, it is important that the ejection force does not lead to any deformation of the plastic part.
A stripper plate is distributing the applied demolding force from the machine homogeneously along the contact surface and keep the molded part in a defined position during ejection.
Damage of the part as well as marks on the part will be avoided in this way.
Preferably for parts with a deep core, this method is used.
Injection
mold: The
stripper plate pushes the
part homogeneously out of the
mold.
Related topics:
Tool Design
This glossary of plastic industry is provided by PLEXPERT Canada Inc.
