Thread: Aluminium Engraving
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04-05-2013 #1
Good day all.
I am looking for some help and advice with some aluminium engraving that I am trying to get done.
I have a small bunch of extruded aluminium cases in black, and I want to do some basic engraving on them.
The only small engraving tools I have are 0.5mm, 0.2mm, 0.0mm v-groove carbide.
I don't need to engrave deep as the cases are black, and as such my DOC is only 0.1mm.
My 1st try I used a 0.5mm cutter, spindle at max (24k), feed 300mm/min, DOC 0.1mm.
I got just over half way then snapped the tip of the cutter.
And that happened to be my last 0.5mm cutter
So tried again with the 0.2mm cutters this time back the feed rate down to 150mm/min, this time I got about 90% done before snapping the tip.
I don't want to keep snapping bits, so moved onto trying a shape point v-groove cutter, this finished a new case without damging the tip, but the cut and finish is s**t.
What am I doing so wrong here?
Can you please help and advice.
Thanks for your time.
Best Regards."If first you don't succeed, redefine success"
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