hot runner design
Hot runner design keeps plastic melt hot from the machine nozzle to the cavity gate.…
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Flow orientation of melt plastic
Melt does not fill a cavity at random. Polymer chains stretch along the flow direction…
Sink
A Sink Mark can be defined as a depression, resembling a dimple or groove, caused…
Knit Lines,Weld lines
Knit Lines (Weld Lines) A knit line forms wherever two melt fronts meet and fail…
gate type of plastic mold
Gate style such as: 1. Sprue gating (straight into component) 2. Fan gates 3. Tunnel or submarine…
Shrinkage of thermoplastics
Shrinkage of thermoplastics Amorphous thermoplastics show extremely reduced shrinkage once they solidify, usually among 0.6%…
