MOLDABILITY 101

A PLASTIC PART MOLDABILITY DESIGN RESOURCE

The mission of this site is to help plastic part designers to better understand plastic injection molds, design constraints imposed by the physics of molding, and the influence of injection molding mechanisms on plastic part design.

INJECTION MOLD BASICS

-MOLD STANDARDIZATION

-UNDERCUTS AND SIDE ACTIONS

-SHUTOFF ANGLES

-DRAFT ANGLES

-PARTING LINES

-SHRINKAGE

-TEXTURE

-GATE TYPES

-STEELS

MAKING GREAT PARTS

-FLAWS AND DEFECTS

-RIBS AND BOSSES

-SNAPS AND HOOKS

-WALL THICKNESS

-AVOIDING STRESS

-AVOIDING BAD METAL CONDITIONS