Single mold vs Family mold?
1. Cavity number:
Single mold is 1 cavity mold, it is just one product in mold. Family mold is made 2 different parts or more in a mold. , it could be 3, 4, 5,6 any number.
Single mold is for high precision mold making, and family mold is made for normal part, specialize for toys.
3. Single molded part vs Family molded part
Mold design is including DFM, Mold Flow Analysis, 2D Mold Layout and 3D Mold Drawing. It is part lay out, part line making, gate design, runner design, gating way, ejection method, cooling layout, etc.
Mold making is based on mold making and purchase mold base, steel and component by machined by CNC, EDM, Lathe, Gun Drill and Milling etc., make mold fitting and mold trial in the end. To see the idea into real by mass production.
Mold trial is the last processing to check if the work is making well. You will get the molded part to inspection specification. Make decision if itt is ok or NG after mold trial.