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Notes from the floor.

Injection mold tooling, DFM, moldflow, process engineering and offshore sourcing, written by the engineers who run the programs.

Apr 13, 2026 Polycarbonate Injection Molding: Processing Guide for PC and PC/ABS

Polycarbonate injection molding requires precise drying, melt, and mold temperature control to avoid scrap and ESC failures. This guide covers PC grades, pc molding…

Apr 13, 2026 ABS Plastic Injection Molding: Processing and Design Guide

ABS plastic injection molding rewards engineers who control melt temperature, moisture, and cooling precisely. This guide covers grade selection, shrinkage rates, molding conditions, and…

Apr 13, 2026 Melt Temperature in Injection Molding: Reference Ranges by Material

Melt temperature injection molding parameters vary by resin, and running outside the window causes defects, degradation, and dimensional drift. This reference table covers 20…

Apr 13, 2026 Injection Pressure in Plastic Molding: Peak, Pack, and Hold Explained

Injection pressure in injection molding controls part weight, dimensional accuracy, and cosmetic quality across four distinct cycle stages. This guide covers peak injection pressure,…

Apr 13, 2026 Injection Molding Cycle Time Reduction: Cut Seconds, Not Quality

Injection molding cycle time reduction of 15% to 30% is achievable on most programs without sacrificing part quality. This guide breaks down every stage…

Apr 9, 2026 Plastic Resin Selection for Injection Molding: Decision Tree + Table

Choosing the wrong resin forces tooling restarts and program delays averaging 8 to 14 weeks. This guide gives you a structured decision tree and…

Apr 9, 2026 Packaging Injection Molding from China: Caps, Closures, and Cosmetic Container Sourcing

Packaging injection molding from China cuts tooling costs 40 to 60 percent, but food-contact compliance, hot runner selection, and cavity-to-cavity consistency require precise specification…

Apr 9, 2026 Consumer Electronics Injection Molding in China: Enclosures, Housings, and Wearables

Consumer electronics injection molding in China delivers A-class cosmetic parts at tooling costs 55% to 65% lower than US shops. This guide covers steel…

Apr 9, 2026 Injection Mold Cooling Channel Design: Rules, Conformal Cooling, and Cycle Time Math

Injection mold cooling channel design controls more of your cycle time than any other tooling variable. This guide covers channel diameter rules, pitch, baffle…

Apr 9, 2026 Injection Mold Base Selection: DME, HASCO, LKM, and What Chinese Shops Actually Use

Your injection mold base selection locks in cost, lead time, and spare parts strategy before the first cavity pocket is cut. LKM dominates Chinese…

Apr 9, 2026 Vietnam vs China Injection Molding: The China+1 Strategy

Section 301 tariffs make Vietnam a serious alternative for US OEMs sourcing injection molded parts from China. But Vietnam tooling cost and mold complexity…

Apr 9, 2026 Short Shot Injection Molding: Systematic Troubleshooting Guide

Short shot injection molding failures cause roughly 15% of first-article rejections on offshore tool launches. This guide walks you through a four-step diagnostic sequence…