Notes
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Short technical notes on molds, DFM and prototyping.
DFMmanufacturability
T0sample approval
3Dfast prototype
Moldtooling line
Injection mold DFM
Walls, draft, undercuts, cooling — checklist before steel.
T0 sampling process
First shots to approved sample; locking the process card.
3D print prototypes
Fit and form checks — feeds DFM, not a steel substitute.
Hot / cold runner choice
Volume, scrap, gate vestige and maintenance cost.
Plastic material selection
PP, ABS, PC, PA+GF — when to use which.
Cooling channels & cycle time
Layout, warpage and cycle.
Inserts & mold maintenance
Overmold, insert tolerance, flash and revision.
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