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Injection Molding Blog | Plastic Mold Manufacturing Insights | JBRplas

Technical insights on plastic injection molding, mold manufacturing, material selection, and quality — from the JBRplas engineering team. Articles cover DFM …

Injection Molding Supplier Qualification Checklist
08/20 Supplier Qualification
Injection Molding Supplier Qualification Checklist

A quality director receives a mandate: qualify a new injection molding supplier for a …

10 min Read
How to Choose a High-Volume Injection Molding Supplier
08/19 Supplier Selection
How to Choose a High-Volume Injection Molding Supplier

A procurement manager signs a Chinese injection molding supplier after a flawless sampling …

12 min Read
POM (Acetal/Delrin) Injection Molding Design Guide — Gears, Bearings, and Sliding Parts
08/12 POM
POM (Acetal/Delrin) Injection Molding Design Guide — Gears, Bearings, and Sliding Parts

A mechanical design engineer is specifying the material for a gear train in a …

19 min Read
PC vs ABS vs PC+ABS — How to Choose the Right Material for Electronics Housings and Consumer Products
08/11 PC
PC vs ABS vs PC+ABS — How to Choose the Right Material for Electronics Housings and Consumer Products

A product engineer at a consumer electronics brand is designing the housing for a smart …

24 min Read
Nylon PA66 and PA6 Injection Molding — A Complete Guide for Automotive and Industrial Parts
08/10 Nylon
Nylon PA66 and PA6 Injection Molding — A Complete Guide for Automotive and Industrial Parts

A Tier 1 automotive engineer is designing an HVAC bracket that must survive 110°C …

17 min Read
Splay Marks and Silver Streaks in Injection Molding — Moisture, Shear, and Material Degradation
08/07 Splay Marks
Splay Marks and Silver Streaks in Injection Molding — Moisture, Shear, and Material Degradation

A quality engineer at a medical device contract manufacturer is holding a …

18 min Read
Burn Marks and Gas Traps in Injection Molding — Venting Design, Diesel Effect, and Process Solutions
08/06 Burn Marks
Burn Marks and Gas Traps in Injection Molding — Venting Design, Diesel Effect, and Process Solutions

A process engineer at an automotive lighting supplier is inspecting a polycarbonate lens — …

15 min Read
Flash in Injection Molding — Root Causes, Clamp Force, and Process Window Control
08/05 Flash
Flash in Injection Molding — Root Causes, Clamp Force, and Process Window Control

A process technician at an electrical components manufacturer is standing in front of a …

14 min Read
Weld Lines in Injection Molding — Formation, Strength Loss, and How to Minimize Them
08/04 Weld Lines
Weld Lines in Injection Molding — Formation, Strength Loss, and How to Minimize Them

A product engineer at a medical device company is holding a failed burst-test housing. The …

15 min Read
Living Hinge Design Guide — Geometry, Material Selection, and Fatigue Life for Injection Molded Hinges
07/31 Living Hinge
Living Hinge Design Guide — Geometry, Material Selection, and Fatigue Life for Injection Molded Hinges

A product designer at a consumer goods company is developing a snap-close container for a …

12 min Read