Mold making and machining, explained from the shop floor
Mold steels, injection molding defects, CNC, EDM and cutting tools — written for toolmakers, engineers and buyers who need answers that work on real machines.
Injection Molding
How to Fix Flash in Injection Molding: A Step-by-Step Troubleshooting Order
Flash on molded parts has many causes. Follow this troubleshooting order — process, mold cleanliness, parting line, support, clamp and material — to find the real one.
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Mold Making
P20 vs 718H vs NAK80 vs S136: How to Choose Plastic Mold Steel
A practical comparison of P20, 718H, NAK80 and S136 mold steels: hardness, polish, shot life and when each one is the right choice for an injection mold.
Topics
| Topic | What you will find | Articles |
|---|---|---|
| Mold Making | Mold design, mold steels, polishing and the daily reality of building injection molds. | 1 |
| Injection Molding | Defects, troubleshooting and process tips for plastic injection molding. | 1 |
| CNC & EDM | Machining strategies, EDM, fixtures and getting tight tolerances right. | 0 |
| Cutting Tools | End mills, tool grinding, coatings and making tools last longer. | 0 |
| Workshop Tools | Buying guides for measuring tools, 3D printers and workshop equipment. | 0 |