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Thread: Looking for CNC machine
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11-29-2008, 09:33 AM #31
Could you Please PM me Gerhard ,Thanks Riche..
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01-11-2009, 10:45 AM #32
BigBear CNC Table is not Bad
I built the BigBear CNC machine for cutting my sim parts that I didn't buy. It was easy to build, and works pretty darn well. It is a hobby grade machine, but that's what this is, a hobby.
The accuracy is good and the table size is just what I need. I get a 14.25" x 10" X and Y with a 1.75" Z axis. It's built from high density plastic so it's easy to fabricate the peices. I put the hobbycnc kit on it and have used it with a dremel and a 1/4 router as well as a rotozip. I think the rotozip works best for my application. If I can find plans for some A320 throttle parts they will be my first cuts for the sim.
For software I ahve only used Mach3, and am still getting to know it. Cost was about $550 total. Only thing I would do differently is use stainless steel guide rods instead of just cold-rolled rods.
Saw a CNC kit in recent nuts and volts too, looked pretty awesome.
Buddy
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01-11-2009, 05:42 PM #33
That $550 includes table, motor and software? That sounds like a very good price.
God's in command, I'm just the Pilot.
http://www.geocities.com/andytulenko/
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01-11-2009, 09:16 PM #34
Big Bear CNC
nah, the $550 was everything except software, but I use free and trialware and some others. The plans were easy to follow, I was surprised at how well it worked.
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01-26-2009, 05:36 PM #35
Pictures of Parts I cut with my DIY CNC Machine
I mentioned earlier in this thread that I had built a cnc machine. here are some pics of a few A320 throttle lever parts I just cut. I can't believe I marked the bottom dimension wrong on the paper! Wonder what they are supposed to be anyway....
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01-26-2009, 11:36 PM #36
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01-26-2009, 11:58 PM #37
Thanks!
Thanks! These are cut from cheap mdf hardboard from Lowes. I am planning on cutting some from the grey cpvc/pvc to see how they come out, but these are very sturdy, so I may just put them together , sand/prime/paint and see how they come out. Actually, I am not at all sure about the dimensions of these parts, so I may end up laminating the parts to each other in pairs to get it closer, it's so hard to tell just from the photos I see here.
The bit is a 1/16" stainless/carbide end and side mill on a 1/4" shank. The cuts were made .04" per pass so it took a while. My machine uses threaded rod for drive screws so it is pretty slow, about 10 inches per minute on a straight cut. That's ok with me, I have more time than money, and it's cool to watch it cut, at least the first few dozen times! Sorry if my terminolgy isn't the correct machinists lingo, I am pretty new to CNC and machining in general.
The CAD part of this is the hardest part for me, I am not much of an artist. I am pretty good at electronics, programming, and building things in general (although not in the same league as some of the builders I see here).
If you have a few parts you want to see cut in this stuff send me a clean dxf file and I will knock em out so you can have a look at them (nothing too big, please).
Buddy
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