DIY Mk1 and spindle sync and other questions

DIY Mk1 and spindle sync and other questions

Postby 109jb » 23 Dec 2016, 20:57

I am working on converting my lathe to CNC and am thinking about building a DIY MK1 board for it but had a few questions.

1. Can spindle index pulse be used on DIY MK1 to allow lathe threading?
2. Can the software/DIY MK1 use lathe tool nose radius compensation?
3. Can the software in demo mode do the above to try it out before purchasing the unlimited version of the software?

Thank You,

John Brannen
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Re: DIY Mk1 and spindle sync and other questions

Postby Support » 30 Dec 2016, 06:33

Mk1 is not capable of these operations.
License is for controller activation. software is free. With activated controller you activate controller (controller is used as dongle)

You mean tool radius compensation via g-code?
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Re: DIY Mk1 and spindle sync and other questions

Postby 109jb » 30 Dec 2016, 17:44

Thank you for the response. I will clarify a couple of the questions.

1. If i build the DIY MK1 controller, can the software/DIY control the machine to try this out before purchasing the activation? For example, without purchasing the activation, is the software/DIY capable of operating the machine in a limited manner to see if this setup will work for me. Like a limit of ## lines of G-code, or something like that.

2. In regard to the cutter radius compensation, can the software accept G41/G42 with the lathe tool orientation similar to LinuxCNC as in the links below:

http://linuxcnc.org/docs/html/lathe/images/tool_positions.png
http://gnipsel.com/linuxcnc/g-code/lathe03.html

Basically, when used in lathe mode, LinuxCNC is smart enough to know to offset angular or radius moves, but to not offset simple facing or turning moves. I would like to know if the PlanetCNC works the same or if it offsets all moves as would happen in milling operation.

3. I think I will still build the DIY if I can try it out as in question 1 above, and if satisfactory I would purchase a board capable of spindle sync for threading. Which is the lowest cost board that can do spindle sync? I would not need more than 25kHz for my steppers.

Thank You,

John Brannen
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Joined: 23 Dec 2016, 20:14
Controller: None

Re: DIY Mk1 and spindle sync and other questions

Postby Support » 05 Jan 2017, 10:11

1. Yes
2. You mean if tools would be in tool table? You can use offsets via G43 gcode.
3. MK3/4: 119EUR+69EUR for license
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Re: DIY Mk1 and spindle sync and other questions

Postby 3dtech » 20 Feb 2017, 08:39

thanks for this information
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