Mold Base Terminology - F

Fan Gate

Opening between the mold runner and the mold cavitythat has the shape of a fan. This shape helps reduce stress concentrations in the gate area by spreading the operating over a wider area.

Fill

In injection molding, packing of a cavity or cavities to provide a complete part.

Flash

Excess plastic around the area of the mold parting line on a molded part.

Flow

During processing by injection compression, or transfer molding the flow of a plastic is a measurement of fluidity.

Flow Marks

Distinctive surface marks caused when two flow fronts meet and weld together during molding.

 

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