Burn Marks in Injection Molding: Causes & Fixes
Burn marks mean trapped air or hot plastic. Learn how the burn location tells you the cause, and the fixes that work — venting first, steel last.
Weld Lines in Injection Molding: Causes & Fixes
Weld lines show up where two flows of plastic meet. Here’s why they form, how much strength they cost, and the fixes that actually work.
Short Shots in Injection Molding: Causes & Fixes
Short shots leave parts unfinished. Here are the 7 most common causes, how to tell which one you have, and the fixes that actually work.
Injection Molding Flash: Causes, Prevention, and How to Fix It
Flash is a force-balance problem. The 7 root causes, vent-depth and clamp-tonnage charts by resin, a 7-step fix sequence, and DFM prevention tips.
Injection Molding Warpage: Causes, Fixes and Prevention
The four causes of injection molding warpage, how to predict it before tooling, and the design, tooling and process fixes for each.
Injection Molding Gate Types: 8 Designs Compared
Compare the 8 injection molding gate types with sizing rules, shear-rate limits, degating methods and a selection chart.
TPE Overmolding on Polycarbonate: Thin-Wall Solutions
How we solved TPE-to-PC bonding, venting, and flashing on a 190 mm thin-wall gas detector housing: resin grade, tool tolerances, and dual-zone mold temperature.
Two-Color (2K) Molding: Design & Process Guide for Engineers
Two-color (2K) molding bonds two materials in one cycle. Learn the design rules, when it beats overmolding or insert molding, and where each industry uses it.
Silicone, Resin, or Aluminum Mold: Which Tooling Fits Your Prototype-to-Production Parts
Compare silicone, resin, and aluminum molds for prototype-to-production parts. See which tooling fits your volume, cost, and lead time — with a clear selection framework.
Injection Molding Guide: Process, Design Tips & Materials
A practical injection molding guide covering how the process works, types, material selection, DFM design tips, common defects, and how to choose a supplier.