40183Re: [hobbicast] [off?] CNC Machine Running
- Feb 1, 2010In 2-5 years you can buy a cnc router at Wal-mart.
On 2/1/2010 10:39 AM, Todd wrote:
> Jeshua, nice work! I've been working on a Gingery Lathe for about 4
> months w/o nearly the progress to show for it :o).
> Q: What is the 3D visualization/CAD software that you show in the first
> part of your demo?
> Q: You mention in the thread that you used pycam. Could you elaborate on
> your CAD tool chain...and how well it's working for you? I've been using
> QCad...but it's a 2D only option...though somehow they have an
> additional GCode module, too.
> Q: You mention using the Roton ballscrews/nuts for your z axis... have
> you needed a brake? I ask b/c the Roton site claims that the translation
> of force to rotation is so efficient that their devices cannot be
> counted on to self-brake.
> Q: What linear motion system are you using, and what are it's
> performance characteristics (flatness, deflection, etc.)?
> My plan is to build the Gingery series and then start on a CNC...
> probably very similar to yours. At my current rate, I should be starting
> that project in about 2-5 years :o).
> On 1/31/10 7:25 PM, Jeshua Lacock wrote:
> > On Jan 31, 2010, at 7:28 PM, Ron Thompson wrote:
> >> Do you have dual belts on the x axis? I used two and two steppers
> >> slaved
> >> together, no racking of the y axis.
> > No - I have two belts on the Y, but only one belt on the X.
> > Interesting thought - might be worth trying.
> >> I use mach3 to drive the steppers, so slaving was easy.
> > Cool. For my dual belts on the Y, I am using one servo (2 horsepower
> > geared down 2:1!) connected to a drive shaft that drives both belts.
> > Makes for a cost effective solution - one servo, one controller, one
> > power supply....
> > Best,
> > Jeshua Lacock, Owner
> > <http://OpenOSX.com <http://OpenOSX.com>>
> > phone: 208.462.4171
Ron Thompson Riding my '07 XL883C Sportster
On the Beautiful Florida Space Coast, right beside the Kennedy Space
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