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.

Injection Mold Defect & Deformation Case Studies | Topworks

Case StudiesCase Study 1: Side Wall Deformation ControlCase Study 2: Flash Defect EliminationCase Study 3: Internal Bubble Elimination (Thick-Wall Transparent PC) Case Study 1: Side Wall Deformation Control#Measured correction to eliminate assembly risk before mass production.Dimensional RiskSummaryImagesIssueRoot CauseFixResultSettings#DefectSide wall deformation…

Injection molding cycle calculator

Injection molding cycle calculatorAn injection molding cycle time calculator is a crucial tool for manufacturers operating in the plastics industry, as it can help them accurately estimate their production cycles and optimize their manufacturing efficiency.This calculator is useful to predict…

operation

I. Mold AppearanceII. Ejection Reset, Core Insertion, Part ExtractionIII. Cooling SystemIV. General Injection System (Excluding Hot Runner)V. Hot Runner SystemVI. Forming Parts, Parting Surface, Exhaust GrooveVII. Packaging