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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 Mold Total Cost of Ownership — The Real Cost of a Cheap Mold
09/01 Mold Cost
Injection Mold Total Cost of Ownership — The Real Cost of a Cheap Mold

Two buyers order the same part from two suppliers. Buyer A pays $6,000 for the mold. Buyer …

5 min Read
Mold Payment Terms and Ownership — Structuring a Tooling Contract That Protects You
09/01 Payment Terms
Mold Payment Terms and Ownership — Structuring a Tooling Contract That Protects You

The mold is the buyer’s asset — paid for by the buyer, built for the buyer’s …

6 min Read
Mold Trial Process — T0 to Production Release
08/28 Mold Trial
Mold Trial Process — T0 to Production Release

A new mold arrives at the press for its first trial. The mold maker watches the first shot …

7 min Read
Cycle Time Optimization — How Cooling, Injection, and Part Design Affect Per-Part Cost
08/27 Cycle Time
Cycle Time Optimization — How Cooling, Injection, and Part Design Affect Per-Part Cost

A production manager looks at a press running a 28-second cycle and asks the classic …

7 min Read
Mold Steel Selection Guide — P20, H13, S136, NAK80
08/26 Mold Steel
Mold Steel Selection Guide — P20, H13, S136, NAK80

A buyer approves a mold quote, and six months later the tool is producing flash and …

8 min Read
How to Reduce Injection Molding Cost at 500K+ Parts/Year
08/21 Cost Reduction
How to Reduce Injection Molding Cost at 500K+ Parts/Year

A program manager needs 10% out of the piece price on a housing running 600,000 pieces per …

12 min Read
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 …

11 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