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Messages - MJR

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31
New to CNC.
If I use the bottom left corner (as seen on a CAD drawing or the Mach3 screen) would the DRO & the g-code show a positive number when the tool moves away from this Home position & then a negative to move back or is it a negative to move away from Home then a positive to move back ?
Also, on the Z axis is it a positive to move the tool downward toward the table/project to be cut, then a negative to move back up to home ?
Thanks all.

32
Thanks to Hood & ynneb.
Maybe today I will brave it & download Mach3.  Not sure why my stepper/controller supplier wants me to still use Mach2. I quess I will soon find out.
Still would like to find a local (Calgary,Alberta, Canada) Mach guru or user to help me with this cnc world.
Thanks again.

33
Since I have a demo version of Mach2 installed (supplier supplied) and have been testing my machine, would I be able to download Mach3 (into a separate file) and be able to set up my machine to it and run it independently ?  When I purchase the software will the unlock code recognoze both or only Mach3.
Thanks.

34
Thanks.
Since the tutorials are for Mach3, then I assume you think that Mach3 would be the way to go ?
Will my motor tunings be the same from Mach2 to Mach3, because I have spent some time doing this.  If they are the same then I should be able to just write down the numbers and retype them into Mach3.
Or do you think I should just play with Mach2 for awhile.  I want to cut fairly detailed 2 1/2D signs.
Thanks.

35
Just finished building a cnc router (3 axis, 40 inces X 60 inches). Used Logitrol Systems steppers & controllers. They recommend to use Mach2.  I would appreciate any comments, Mach2 vs Mach3.  Would like to know if there is any Mach users in the Calgary, Alberta, Canada area ? New to cnc world & would like to get up & running the right way (mostly to save the machine & parts from early distruction, but secondly, to save my sanity). Thanks all.

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