Mould injection surface texture flaw Solution instance 01

[delyly mould]

It's an actual case, a home electronics plastic housing.

Please see below pictures:

[delyly mould]

improve product design, increase the hole as shown below.
injection molding surface ok!!

[Robin Hewitt]

improve product design, increase the hole as shown below.
injection molding surface ok!!

So you are saying the sliding component used to make the transverse hole had some spring in it and gave the kind of scuff mark usually associated with insufficient draft angle and a sparked finish?

I can see how the new hole would reduce the force springing the slide open, but somehow it doesn't look big enough???

[JAZZCNC]

Can you explain the point of this thread has I'm struggling to see it.??

[delyly mould]

Hi,all.
Perhaps this explanation as below picture, anyone can better understand.

Please see:

[delyly mould]

Hi, Robin . Yes, increase draft angle is a method. But this Product shape design is not allow the change of draft angle.

[Robin Hewitt]

So the mould opens like this...



...and you only need to relieve the pressure at the top.
That is very clever

[motoxy]

Can you explain the point of this thread has I'm struggling to see it.??

Thank goodness for that I thought that I had suddenly gone to a whole new universe where the answer comes before the question.