Mesa Board for 5 axis + ATC Carousel
- vitalibr
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02 Jun 2023 15:47 #272742
by vitalibr
Mesa Board for 5 axis + ATC Carousel was created by vitalibr
Hello,
I am building a big cnc machine (it's almost done) and could need some help with the selection of mesa cards. I'm reading several topics on the forum, but I'm still having a lot of doubts about which mesa board is ideal for my project. Sorry for the limited knowledge.
As an overview about my project:
- 5 axis VMC (3axis + 2axis optional)
- main spindle is belt driven by servo and has separate spindle encoder
- ATC unit, the carousel is a servo rotary axis with pneumatic rotary / pneumatic extension axis.
All axes will have servo motors controlled via step/dir, not sure if it is necessary to use linear scale for feedback (I'm still undecided about it)
I would like an ethernet mesa board for my project. Could someone help me with which options would be ideal for this machine? I saw that several boards are out of stock on the mesa's official website
Regards,
Vitali M.
I am building a big cnc machine (it's almost done) and could need some help with the selection of mesa cards. I'm reading several topics on the forum, but I'm still having a lot of doubts about which mesa board is ideal for my project. Sorry for the limited knowledge.
As an overview about my project:
- 5 axis VMC (3axis + 2axis optional)
- main spindle is belt driven by servo and has separate spindle encoder
- ATC unit, the carousel is a servo rotary axis with pneumatic rotary / pneumatic extension axis.
All axes will have servo motors controlled via step/dir, not sure if it is necessary to use linear scale for feedback (I'm still undecided about it)
I would like an ethernet mesa board for my project. Could someone help me with which options would be ideal for this machine? I saw that several boards are out of stock on the mesa's official website
Regards,
Vitali M.
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- spumco
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02 Jun 2023 16:01 #272744
by spumco
Replied by spumco on topic Mesa Board for 5 axis + ATC Carousel
How are the various servo drives commanded? Step/dir, analog, PWM? Mesa board selection will be determined by this.
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- tommylight
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02 Jun 2023 16:09 #272746
by tommylight
Replied by tommylight on topic Mesa Board for 5 axis + ATC Carousel
What does ATC use for signaling?
7i96S can be found often, so start there. 5 step/dir and spindle with encoder. You cam get many more step/dir and IO from the IDC heareds, i think it has two, at least 7i96 had two.
7i96S can be found often, so start there. 5 step/dir and spindle with encoder. You cam get many more step/dir and IO from the IDC heareds, i think it has two, at least 7i96 had two.
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- vitalibr
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02 Jun 2023 16:35 #272750
by vitalibr
Replied by vitalibr on topic Mesa Board for 5 axis + ATC Carousel
sorry,
I forgot to mention, step/dir
I forgot to mention, step/dir
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- vitalibr
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02 Jun 2023 16:39 #272752
by vitalibr
Replied by vitalibr on topic Mesa Board for 5 axis + ATC Carousel
the servo on the ATC will be controled by step/dir
I was really looking at the 7i96S, but I was in doubt about how to have more step/dir, because in my case, I need 6 in total (5 axes + 1 for the ATC/magazine).
according to the 7I96S manual:
"The 7I96S has a 26 pin header to allow I/O expansion beyond the built in I/O on the 7I96S card."
www.mesanet.com/pdf/parallel/7i96man.pdf
I was really looking at the 7i96S, but I was in doubt about how to have more step/dir, because in my case, I need 6 in total (5 axes + 1 for the ATC/magazine).
according to the 7I96S manual:
"The 7I96S has a 26 pin header to allow I/O expansion beyond the built in I/O on the 7I96S card."
www.mesanet.com/pdf/parallel/7i96man.pdf
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- PCW
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02 Jun 2023 18:09 #272755
by PCW
Replied by PCW on topic Mesa Board for 5 axis + ATC Carousel
To add more step/dir axis you would add a daughtercard on the parallel expansion port
say a 7I85S that adds 4 more step/dir channels or a inexpensive BOB like the common
"5 Axis Mach 3" BOB
say a 7I85S that adds 4 more step/dir channels or a inexpensive BOB like the common
"5 Axis Mach 3" BOB
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