Graham Taylor
12-07-2016, 1:19 PM
Hi guys,
After some advice please.
I have been asked to do a sample for a possible ongoing job engraving off powder coat so that it leaves a clean metal surface to use as an earth bonding point. When I did some 10mm square tests it came out cool but when I did the main piece it left a reddish mark/residue on the engraved area - see pic below. They need the whole area nice and clean back to the metal. I have tried giving it a good clean but it doenst seem to shift the residue.
I am using the following settings on an 80W Speedy 300 - engrave P=90, speed=50, PPI/Hz=500, passes=2, air assist on and Z-offset=0. Does this look about right (I thought it was ok during the tests).
349024
As always, any help or advice greatly received
After some advice please.
I have been asked to do a sample for a possible ongoing job engraving off powder coat so that it leaves a clean metal surface to use as an earth bonding point. When I did some 10mm square tests it came out cool but when I did the main piece it left a reddish mark/residue on the engraved area - see pic below. They need the whole area nice and clean back to the metal. I have tried giving it a good clean but it doenst seem to shift the residue.
I am using the following settings on an 80W Speedy 300 - engrave P=90, speed=50, PPI/Hz=500, passes=2, air assist on and Z-offset=0. Does this look about right (I thought it was ok during the tests).
349024
As always, any help or advice greatly received