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I am inspecting the quality of Thermoset plastic injection moulded parts. Recently there is an issue occurring to some of the parts, which is failed bond strength. The parts assembling with this...

Hi Oldbob,

Yes, it is an insert with somewhat cylindrical type tail with a closed end. Which eventually cutoff after wards. But now the problem is after heats up it shrink and never returns back...

I have 4 tools A, B,C,D .All given pressures in unit "Bar"

Tool Injection Pressure Holding Pressure
A 2350 2200
B 2100 ...

Thank you for the reply Suhas. I will try to adjust the pressure and speed.

Thank you for replying. But May I know what is the contribution of 'speed' to the ID shrinkage. I am quiet new to this process, so what I can think of is it will probably contribute towards giving a...

My production team is facing the ID shrinkage on brass metal insert after plastic injection overmoulding. Before the Moulding process I performed measurement on the brass inserts and it found within...