Category plastic mold

plaster mold

What Is a Plaster Mold? A plaster mold is a rigid tool cast from gypsum plaster. It reproduces the shape of a master pattern exactly. Engineers use it to build prototype plastic parts. The material is inexpensive and easy to…

short run plastic molding,ABS plastic molds

Introduction: Overcoming Barriers to New Market Entry As an injection molding firm catering to hardware startups and medical device companies, we often encounter customers eager to launch innovations but uncertain whether their products will succeed. Committing to high-volume production through…

Steel Grade Comparison Chart

 Common Steel Grades Used for Injection Molds There are several steel grades commonly used for injection molds including: P20 Mold Steel P20 is a versatile, pre-hardened mold steel that can be heat treated to higher hardness levels. It has good…

Principle Of Gate Design

Gate is a passage way from the subrunner to the mold cavity,and its cross-section is the smallest and shortest part in the injection system. Position ,number, shape and size of the gate have a direct impact on the quality and…

Plastic mold building tech index

Every plastic part shrinks as it cools. The only questions are how much and whether it shrinks evenly. Material suppliers publish rough shrinkage ranges, often 0.5 to 1.5%. The real number for your part depends on packing pressure, mold temperature,…

Tufftride and Nitriding

Why Mould Surfaces Need Hardening Mould steel wears where plastic flows and parts eject. Glass-filled resins act like sandpaper on soft steel. Hardened surfaces last far longer. Surface treatments harden only the outer layer. The core stays tough and machinable.…