Machsupport Forum
General CNC Chat => Share Your GCode => Topic started by: JGamble on August 02, 2012, 03:57:55 AM
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New to G Code and would like to ask if someone could convert a file for me for Mach 3
It is for an eye patch. I am blind in my right eye and wanted to do one.
Thanks in advance for any help.
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Best to just post the file and I am sure you will find some assistance.
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For some reason it is really giving me a hard time posting anything. But I will keep trying.
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Here it is
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Is this what your looking for?
Seems to me it should be somewhat convex in shape, unless you plan on shaping it after you cut it out.
Before I could create the code I'd need to know what tools you have available that would cut the slots and the outside shape.
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Hello
Yes that looks good. as for the tool bit, I have a few single flute spirial bits but I am not sure yet what bit will do the best as I haven't done anything in aluminum.
I was just gonna shape it after the cut so I could cut it out of flat stock.
Thanks
Jim
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Either way I still need some cutter sizes to create the profile path cuts
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I wil be tryin a 1/16 helix single flute
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May i suggest that you have a look in Members Doc's, End Mill Speeds and Feeds as to an approx spindle speed and feed that you will cut the
Al at. The gummy soft Al can be hard on small end mills.......just don't want you breaking them. ;)You may want to say how thick your stock will be also.
RICH
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Yes I'll do that, The stock will be 1/8" to 3/16th"
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Take Rich's advise 8)
Id advise a larger OD cutter for the Outside cutout, that is a lot for a small cutter to do. Unless you plan on several shallow cuts, To be buried in a profile cut that long means lots of issues. I try to Never cut deeper than the diameter of the cutter. And a cut of that length will most always result in tool breakage unless going very slow with coolant/Tap magic/ or something that will keep things cool and lubricated. The other issue is how do you plan on holding this piece?
That is why most items of this type are a stamping/ cut out in a progressive die from a long strip/coil of material.
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Yes I was planning on shallow cuts. I was thinking of using double sided tape to hold it down along with some clamps along the outside or the piece.
This is just a start, I know I will be learning as I go, and the larger cutter is a good idea.
I was hoping that a small project like this I could use wd-40 to spary on the tool.
It will only be 31/2" x 21/4 approx.
Thanks for the info, This is why I am here, I knew there would be someome who knows what they are doing that would lend a hand.
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Thank you! This works great. I am amazed at how well you got it the the specs. Well Done!
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Were you able to make your eye patch? If so, could you post a photo of it? I'm curious to see
how it turned out.