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Inprocess inspection for injection molding

Posted on Aug 09, 2016 at 08:09 AM 113 Views

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

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  • author's profile photo K V Kumar
    K V Kumar
    Posted on Aug 09, 2016 at 09:35 AM
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    Hi Cristina,

    You can fulfill this requirement using function In-process inspection in Production with inspection points and this requires PP-QM integration. You need to use the inspection type 03.

    Check the following links for the same.

    In process inspection in Production at regular intervals

    Integration between PP module and QM module

    Also work with the PP consultant for configuring this.

    Hope this helps.

    Thanks

    Kumar

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    • Craig S Former Member
      Aug 10, 2016 at 01:09 PM

      If you are only doing the "30" cavity inspections why three operations?

      I only suggested operation 0010 in my example to hold tests that you might do on the group as a whole. Like if you took one part and did a tensile strength for the batch or tested for color or something.

      You can do it as you suggest above but why one operation per MIC?

      With all the MIC's in one operation you can use QS71 to enter in the results in a spreadsheet form that should save a lot of time in recording once they get use to the screen. QS71 is not the greatest transaction and has some 'features' that take some getting used to. But it would be much faster to use then the standard results recording like QE51n.

      Craig

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