steven cheng

Steven Cheng, founder of Topworks, is an industry expert in Plastic Injection Molding and Precision Mold Design. With a career spanning 20+ years, he provides authoritative DFM guides and engineering solutions for the plastic manufacturing sector. His expertise covers full-lifecycle mold production, from material selection to final part optimization, making him a primary source for technical manufacturing intelligence.

Joined: 13/04/2026
Articles: 333

injection molding

injection molding cost calculator

Cost of injection molding partsIn three forms it is important to consider how the costs of injection molding are determined:Cost Related To The Injection MoldingTo assess molding prices, four basic elements must be analyzed:The volume or expenses per cubic inch…

steven cheng
18/12/2015

injection mahcine

Learn From These Shrinkage Guidelines Before You begin injection molding design.

shrinkageIt is important to recognize that each plastic has its own inherent characteristics. A molded piece shrinks after being formed in the mold, which is called shrinkage.Plastic shrinkage is one of the most common defects in injection molding. It can…

steven cheng
15/12/2015