https://www.avient.com/sites/default/files/2020-10/tpe-overmold-design-guide.pdf
Radius at Runner Transition W Ejector or "Sucker-pin" "Cold Slug" = 1.5(W) Figure 8.
Radius at Runner Transition W Ejector or "Sucker-pin" "Cold Slug" = 1.5(W) Figure 8.
If this type of gate is desired, both the sprue length and diameter should be as short and small as possible. 1514 Typical Fan Gate Flow Pattern Side View Land TPE Overmold t T Substrate D Top View W Land = 0.060 – 0.08" t = 0.15 – 0.30T W = 2D minimum Figure 14.