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CNC'd Loco Wheel & Earning Brownie Points
philf:
--- Quote from: Brass_Machine on April 05, 2012, 01:58:04 PM ---Hey Phil...
What are you using for a CNC? Have you answered that already? I am losing it...
Eric
--- End quote ---
Hi Eric,
I did a post about it a couple of weeks ago:
http://madmodder.net/index.php?topic=6964.msg74694#msg74694
Cheers.
:beer:
Phil.
Rob.Wilson:
Hi Phil
The MeshCam wheel looks allot better than the wheel cut with Aspire ,,,,,,,, wonder why :scratch: it also did not cut into the rim inner as Aspire did .
Whats the cutting time for one in steel/cast iron ?
Rob
raynerd:
I`m sure an obvious question, but how are the estimated times being generated - i.e does it have a input for the material (so it "knows" what it is cutting) or are you choosing the feed rates and obviously a slower feed with the metal?
Both look good BTW!
Chris
philf:
--- Quote from: Rob.Wilson on April 05, 2012, 02:12:49 PM ---Hi Phil
The MeshCam wheel looks allot better than the wheel cut with Aspire ,,,,,,,, wonder why :scratch: it also did not cut into the rim inner as Aspire did .
Whats the cutting time for one in steel/cast iron ?
Rob
--- End quote ---
Hi Rob,
The Aspire created file didn't cut into the rim too much - it just didn't bother to cut the chamfer in between the spokes at either the rim or the hub ends!
Both wheels were cut at 10,000rpm and 1,000mm/min feed with a 6mm max depth of cut. In steel I would only use perhaps 100mm/min and 3mm (maybe 4mm) depth. I'm guessing that the MeshCAM created code without any tweaking would take about 12 hours in steel! It's an interesting exercise if nothing else and I'm learning all the time.
I've just given the new wheel a coat of varnish to keep it looking nice.
Chris,
Both programs need you to input what spindle speed, feed rate and depth of cut you require. I guess the high end CAM packages work it all out for you based on the material you are using.
Mach3 can tell you what time your GCode will take to run.
Cheers.
Phil.
Brass_Machine:
--- Quote from: philf on April 05, 2012, 02:04:33 PM ---
--- Quote from: Brass_Machine on April 05, 2012, 01:58:04 PM ---Hey Phil...
What are you using for a CNC? Have you answered that already? I am losing it...
Eric
--- End quote ---
Hi Eric,
I did a post about it a couple of weeks ago:
http://madmodder.net/index.php?topic=6964.msg74694#msg74694
Cheers.
:beer:
Phil.
--- End quote ---
Yes you did!
Told you I was losing it!
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