Injection Molding Gate Types
Part / cavity
Sprue / runner
Gate
Melt flow
Sprue (Direct) Gate
view: side
~3°
part
Edge (Standard) Gate
view: top
Tab Gate
view: top
tab
Fan Gate
view: top
Film / Flash Gate
view: top
Submarine (Tunnel) Gate
view: side
parting line
Pin (Point) Gate
view: side
top plate
Hot Tip Gate
view: side
heated nozzle
Diaphragm Gate
view: top
Click an orange dot to see when to use each gate
Each dot marks one gate type. Select one to view its best use, pros and cons.
Source:
Injection Molding Gate Types
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