https://futech.site/Practical mold making and machining, from the shop floorhttps://futech.site/articles/injection-molding-flash-troubleshooting/https://futech.site/articles/injection-molding-flash-troubleshooting/Thu, 08 Oct 2026 00:00:00 +0700Flash on molded parts has many causes. Follow this troubleshooting order — process, mold cleanliness, parting line, support, clamp and material — to find the real one.https://futech.site/articles/p20-vs-718h-vs-nak80-vs-s136-mold-steel/https://futech.site/articles/p20-vs-718h-vs-nak80-vs-s136-mold-steel/Thu, 08 Oct 2026 00:00:00 +0700A 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.