ran into a problem??????
Posted by admin on October 2nd, 2009 at 11:08pm
I machined an item from 6061 aluminum. basically it is a ring (doughnut) with 6 bolt holes in the face, then counter sunk so the bolt head lays flush with the face.
I shot gloss black on them last night and had poor results. Around the machined edge of the countersink, the powder appeared to flow away…so…in essence, there is a hairline silver ring around each counter sink.
here is how I prepped:
1) scorch brited part
2) used brake cleaner
3) heated part to dry off any residue
4) powdered…cured
question: should I media blast the entire part to ensure the crisp edge of the counter sink gets etched?
Thanks
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Tags: aluminum, anodizing, coating, finishing, metal finishing, Plating, powder coating
Under metal finishing
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