Why would you need to shield the belts? I've run my plasma with the belts hanging out in the breeze for years...
I agree a shaft connecting both sides of the gantry is the best way to go. I did find a thin wall tube to connect the sides worked much better than a shaft. JT On 11/6/2013 7:27 PM, Gregg Eshelman wrote: > On 11/6/2013 12:47 PM, Marshland Engineering wrote: >> I'm looking to make a new CNC table for both Plasma and possibly Plastic and >> Aluminum cutting. It will be about 1.8m x 1.2m. >> I was wondering if anyone has a similar configuration that is run with >> toothed belts instead of ballscrews? Obvously a lot cheaper option, however, >> I was wondering on the rigidity of the overall construction. I probably >> would only be cutting up to 3 mm aly plate with a 6mm diameter or less >> cutter. >> >> Thanks Wallace > You'll have to fully shield the belts if you intend to use belt drive > for plasma cutting. Search for CNC chain drive on Youtube for many > examples of how to use stationary roller chains to drive a gantry. > > If you want to avoid having to keep separate motors synchronized, use a > cross shaft to drive both sides. > > > ------------------------------------------------------------------------------ > November Webinars for C, C++, Fortran Developers > Accelerate application performance with scalable programming models. Explore > techniques for threading, error checking, porting, and tuning. Get the most > from the latest Intel processors and coprocessors. See abstracts and register > http://pubads.g.doubleclick.net/gampad/clk?id=60136231&iu=/4140/ostg.clktrk > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users ------------------------------------------------------------------------------ November Webinars for C, C++, Fortran Developers Accelerate application performance with scalable programming models. Explore techniques for threading, error checking, porting, and tuning. Get the most from the latest Intel processors and coprocessors. See abstracts and register http://pubads.g.doubleclick.net/gampad/clk?id=60136231&iu=/4140/ostg.clktrk _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
