Knowledge

Hot runner or cold runner? Compare upfront tooling, material use, production batches and maintenance before selecting a runner system for custom plast

Specify threaded inserts as part of the complete plastic assembly. Review installation method, boss geometry, screw engagement, mating components and

Gate location is one of the most important decisions in injection mold design because it controls how molten plastic enters and fills the cavity. A go

Compare PP and nylon for agricultural plastic parts through practical questions about moisture, fit, sustained loads, impact and environmental exposur

What are the parts of an injection in plastic manufacturing? Explore the injection unit, screw, barrel, nozzle, mold, clamping unit, cooling and eject

Why do injection molded parts have missing corners, incomplete ribs or unfilled edges? Learn how to identify short shots, review material flow and ven

Learn how draft angles affect mold release, textured surfaces, assembly fit and tooling decisions, with a practical review checklist for custom indust

Weld lines, also called knit lines, form when two or more molten plastic flow fronts meet inside a mold cavity. They may appear as visible lines on th

Sink marks are shallow depressions that commonly appear opposite thick sections, ribs, bosses or other areas where plastic cools and shrinks unevenly.

What causes warpage in injection molded plastic parts? Warpage usually develops when different areas of a molded component shrink, cool or solidify at

What information do you need for a custom injection molding quote? A photo and target quantity may be enough for a rough discussion, but they are usua

POM and nylon are two of the most widely used engineering plastics for gears, bushings, guides, rollers, brackets and other mechanical components. Alt