Plastic Injection Mold Structure – Main Components

Plastic Injection Mold Structure – Main Components

What are the parts of a plastic injection mold? Nhan Loc Phat explains the plates, cavity, core, feed system, cooling, ejection and guiding components.

Contact

Plastic injection mold structure

Knowing the structure helps you talk to your mold maker and understand price differences. A mold has a fixed half (injection side) and a moving half (clamp side).

Injection mold components: guide pins, bushings, ejector pins, springs

Main components

Clamp plates to mount the mold; cavity for the outer shape; core for inner shapes; sprue, runners and gates to feed plastic; cooling channels; ejector pins and plates; guide pins and bushings; and sliders or lifters for side holes and undercuts.

Injection mold machined at Nhan Loc Phat

Two-plate vs three-plate molds

Two-plate molds are simple and cheaper with edge gates. Three-plate molds add a runner plate for center gating and automatic runner separation.

What drives mold cost

Cavity and core steel (P20, NAK80, H13), number of cavities and part complexity, sliders and lifters, and polish requirements. We recommend the structure that fits your part without unnecessary cost.

Contact us for a quote

NHAN LOC PHAT MOLD CO., LTD.

Related article

Download Catalogue
© Copyright 2017khuonmaulocphat.com | Designed by Viễn Nam