steven cheng

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.

PC/ABS Injection Molding

PC/ABS Injection MoldingPC/ABS, the mixture of Polycarbonate and acrylonitrile butadiene, is a thermoplastic plastic made of polycarbonate and polyacrylonitrile (ABS), which combine the excellent characteristics of the two materials, the injection-ability of ABS and the mechanical properties, impact strength, temperature…

precise machining for tools making

  What is the definition of Precision Machining?Precision machining, also known as CNC machining, removes material from a part while holding close tolerances. A computer numerical control or CNC generally controls a precision machine.Precision machining makes part contributing to the…

How to control injection molding part size?

How to control injection molding part sizeMold and product requirements are continuously changing, which has created many difficulties in the production process of molds and products. The challenge lies in determining the best method of controlling the geometric dimensions of…