A buyer sent me a plastic part design for review. I marked an area on the drawing because I saw a problem.His reply was straightforward.“What would be the suggestion?”I understood the question. When you ask a mold supplier to review…
Buyer Guide · First-Time Injection MoldingWe went back and read 105 first emails from people who had never done injection molding before. The oldest was from 2010. The newest came in last week. No names, no company names, no product…
High-Temperature PlasticsPEEK injection molding turns the most heat-resistant melt-processable plastic into complex parts at production volume. The melt runs at 360–400°C. The mold itself sits at 160–200°C, hotter than the melt point of most commodity resins. Shops without high-temperature barrels,…
High-Volume Molding Analysis57,600 Parts an Hour: How an Integrated Engel Cell Targets Low-Cost Competition in High-Volume MoldingAt Fakuma 2026, an all-electric Engel production cell is molding 57,600 automotive connectors per hour on an 8-second cycle. The setup runs a 128-cavity…
Mold EngineeringInjection Mold Tool Life and How Long a Mold Really LastsInjection mold tool life is the number of good shots a mold makes before it needs major repair. Most buyers hear one number from a supplier and file it…
Injection Molding Material GuidePP Injection Molding: Grades, Shrinkage, Processing Specs and Real Part CostsYour first articles land and the 120mm dimension measures 118.3mm. The drawing says ±0.3mm. Before you email the mold shop about bad steel, check the resin you…
Mold Design · Engineering GuideMost “mold design” articles are really part design articles. Wall thickness, ribs, draft. That’s useful, and we cover it on our plastic part design page.This one is about the tool itself. The steel. Where the plastic…
PC Mold DesignPC Runner and Gate Design That Stops Splay, Cold Slugs and CrackingMost polycarbonate defects are designed into the tool, not created at the press. PC runner and gate design decides whether a clear part shows splay, cold slugs…
Learning CenterInjection molding, 26 topicsMost molding questions come back to the same handful of numbers. How thick the wall should be. How much draft before the part drags on the core. Why a quote doubled after somebody added one snap…
Robotics & AI HardwareEMI/RFI Shielding & ESD Plastics: Conductive Injection MoldingPlastic is transparent to electromagnetic radiation. To shield electronics or dissipate static in a molded part, the resin has to be made conductive — with the right filler and the…
