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Former Member
Aug 09, 2016 at 08:09 AM

Inprocess inspection for injection molding

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Dear all,

My company is manufacturing spare parts for automobile. I have a complex scenario on one of the machine where I need advise.

one of the injection molding machine has 30 cavities in it. It is producing 30 pieces/shot. Each piece has the reference no. that tell on what cavity it is produced. our Quality department wants to record below parameters on every 3 Hrs with the reference of cavity no.

1. Weight of the Piece

2. Diameter of the piece.

3. Light of the Piece.

Sample is drawn once and then diameters of all the pieces are checked and needed to record. other than that the remaining 2 parameters it is random check out of selected 30 pieces and only 10 reads needed to incorporate against the cavity where i was produced.

I know this can be done with simple inspection plan but I am not sure about the best way to handle the case where I given them provision to enter 30 diameters with reference of each cavity in one in process inspection.

Any idea or Advise.....

Regards

CR