https://www.avient.com/knowledge-base/article/designing-molds-styrenic-block-copolymers-sbc?rtype[]=1164
This will cause the gates to break at the desired location without leaving a gate vestige.
For high elongation SEBS grades, hot runner tools with valve gates can be used.
To prevent this, gate size and fill rate must be right.
https://www.avient.com/sites/default/files/2020-10/tpe-injection-molding-guide.pdf
If both internal and external undercuts are present on the
same part, slides or core splits may be necessary.
Fan Gates
A fan gate is a streamlined variation of a tab gate (Figure 16).
See Sprue gates
Draft, 17
Drying, 22
Edge gates.
https://www.avient.com/investors/stock-information/stock-fundamentals
Dividends Splits
https://www.avient.com/knowledge-base/article/overmolding-troubleshooting
Wrong location of gate
Relocate gate
Increase gate size
https://www.avient.com/knowledge-base/article/overmolding-troubleshooting?rtype[]=1164
Wrong location of gate
Relocate gate
Increase gate size
https://www.avient.com/knowledge-base/article/injection-molding-troubleshooting
Increase the gate size.
Decrease gate size.
Change type of gate.
https://www.avient.com/knowledge-base/article/injection-molding-troubleshooting?rtype[]=1164
Increase the gate size.
Decrease gate size.
Change type of gate.
https://www.avient.com/knowledge-base/article/injection-molding-guide
Gate and Knit Line Locations
Gate Design and Location
Hot Runner Gate Design
https://www.avient.com/knowledge-base/article/injection-molding-guide?rtype[]=1164
Gate and Knit Line Locations
Gate Design and Location
Hot Runner Gate Design
https://www.avient.com/knowledge-base/article/injection-molding-mold-processing
The larger the gate the longer the hold time required to achieve gate freeze.
Gate bulge.
Gate pucker.
