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.

history of mold designer

After the Second World War, people started using plastics more and there was a need for people who could design molds for plastic products. At first, these molds were made by artisans in tool and die maker shops. These artisans…

Common Rules for Runner Systems

No matter what type of runner system you’re using, there are some basic rules to keep in mind. Unfortunately, some of these requirements may conflict with each other, so you’ll need to find the best compromise.Rule 1: Decline of pressureThe…

injection molding vs blow molding

You are creating a product that will require molded plastic parts. While injection molding and blow molding are two of the most popular methods to create high-quality, affordable plastic parts and products that are cost-effective, they are not the same.…

How Injection Molding Supply Chains Work

No matter what industry or project in question, managing projects can be challenging. For injection molding management discipline and supervision are crucial. The Project Management Offices (PMOs) are now an accepted norm in the molding industry. They guarantee the highest…