Automatic tool changer
- Razvan_Pop
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21 Oct 2025 19:06 #336844
by Razvan_Pop
Automatic tool changer was created by Razvan_Pop
Hello!
I'm kind of a newbie with the LinuxCNC stuff. I enjoy working with this stuff. It's kinda fun...
But serious question now. I have a MESA board, 7i96s model and I want to make an automatic tool changer using the board I/O to control all the moving pieces and so. But I honestly have absolutely no clue ...
Can someone help me with anything to pull this thing off?
Thank you in advance!
I'm kind of a newbie with the LinuxCNC stuff. I enjoy working with this stuff. It's kinda fun...
But serious question now. I have a MESA board, 7i96s model and I want to make an automatic tool changer using the board I/O to control all the moving pieces and so. But I honestly have absolutely no clue ...
Can someone help me with anything to pull this thing off?
Thank you in advance!
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- andypugh
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22 Oct 2025 12:36 #336870
by andypugh
Replied by andypugh on topic Automatic tool changer
What sort of tool changer do you want to build?
A rack toolchanger can work well with a gantry-style machine, but not so well on a knee mill, so the choice does depend to an extent on the base machine.
(and very much on if it's a mill or a lathe, you haven't said)
What spindle do you have? It's a lot easier to set up an ATC with a pneumatic drawbar, for example. (If it's any help I converted my threaded drawbar 1960s mill to a pneumatic pull-stud type drawbar, but was lucky that the mill had a fairly generous drawbar bore)
I have seen some fairly clever hacks to change tools on an ER-collet spindle, though, its not impossible.
hackaday.com/2016/06/20/hackaday-prize-e...omatic-tool-changer/
This one rather cleverly uses a circular move to apply more torque to the collet nut than the spindle can provide.
A rack toolchanger can work well with a gantry-style machine, but not so well on a knee mill, so the choice does depend to an extent on the base machine.
(and very much on if it's a mill or a lathe, you haven't said)
What spindle do you have? It's a lot easier to set up an ATC with a pneumatic drawbar, for example. (If it's any help I converted my threaded drawbar 1960s mill to a pneumatic pull-stud type drawbar, but was lucky that the mill had a fairly generous drawbar bore)
I have seen some fairly clever hacks to change tools on an ER-collet spindle, though, its not impossible.
hackaday.com/2016/06/20/hackaday-prize-e...omatic-tool-changer/
This one rather cleverly uses a circular move to apply more torque to the collet nut than the spindle can provide.
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