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Can you machine PC?

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  • Can you machine PC?

    Can I drill/mill a part after I pc it?
    I make a product out of aluminum and can I machine a slot into the part after I coat instead of taping it off?

  • #2
    Re: Can you machine PC?

    Yes but it's best to put tape over the area your going to machine to help keep the edge from chipping. Be sure your tooling is sharp. SS

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    • #3
      Re: Can you machine PC?

      i fully agree but try a test piece first. and make sure the powder is fully cured or the cutting oil/fluid could dull the finish.
      when in doubt polish it out/ why replace it when you can refinish it
      G2 Polishing and Powdercoating

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      • #4
        Re: Can you machine PC?

        I agree with the tape, I would also make the first cut a skim cut, JUST through the powder, at a higher cutting speed. This will help eliminate chipping. Next and subsequent cuts at normal cutting speed.
        TSA Custom Metal Finishes
        Live fast, Die sideways

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        • #5
          Re: Can you machine PC?

          Awesome, thaks for the quick answers.
          Follow up question...do you need to "seal" the newly machined areas with a clear coat to ensure that the edges don't chip?

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          • #6
            Re: Can you machine PC?

            No, not normally.

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            • #7
              Re: Can you machine PC?

              you will need to seal them with wax at mininum to keep the oxidation from dulling the fresh cut alum. or you can always pc then machine and then clear coat pc the whole part.
              when in doubt polish it out/ why replace it when you can refinish it
              G2 Polishing and Powdercoating

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