Futech
Practical mold making and machining, from the shop floor
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.
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.