Injection Mold Design Guide May 2026
Edge gate for flat parts? Submarine gate for hidden beauty? He chose a fan gate to fill that long, shallow lid evenly. No more hesitation lines.
Trapped gas burns plastic. Sam scribed 0.03mm deep vents along the parting line. Air escaped; parts filled. injection mold design guide
It was 2:00 AM in the tooling shop when Sam realized the prototype mold was short-shotting—again. The plastic wasn't reaching the end of the cavity. His boss's words echoed: "Read the guide. Then read it again." Edge gate for flat parts
The guide showed a sketch: 1–2 degrees per side. Without it, the part becomes a concrete block in a steel cage. Sam added 1.5° to every vertical face. injection mold design guide
