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31-12-2014 #1
Last Activity: 09-02-2025
I have a 3 axis CNC USB bob 200khz like this one :
http://www.ebay.co.uk/itm/2517477394...480%26_rdc%3D1
There are also available this card :
http://www.ebay.co.uk/itm/2611636890...018%26_rdc%3D1
As far as I can see, the only difference between the two boards, is on the 3 axis board there are two Optocouplers missed out for the 4th axis. I have emailed several companies supplying this board and they say they are completely different designs. I doubt that. I have ordered two Optocouplers of the same as the others to see if I can control a 4th axis. There are outputs on the end of the board for the 4th axis if you look. The IC's cost me a grand total of 3 EurosLast edited by dudz; 31-12-2014 at 01:01 PM.
Swedish Storbro Luna - 3 axis CNC mIll - 250 - 2500rpm / 1.1 tonne
3 axis CNC/router / Alu profile frame....25mm Alu Cutting bed X=500mm Y=300mm Z=110mm.....Supported 25mm X rails ....Supported 20mm Y rails....Supported 20mm Z rails.....2.2kw Chinese WC spindle..... CSLAB CSMIO/IP-M 4-axis Ethernet Motion Controller....M542 Drivers..SY60STH86-3008BF Motors...running....Mach3 / Cambam / Emachineshop.
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01-01-2015 #2
Last Activity: 09-02-2025
2x more opto's in. No changes. Firmware is the only thing that is restricting the board to 3 axis I think.
Swedish Storbro Luna - 3 axis CNC mIll - 250 - 2500rpm / 1.1 tonne
3 axis CNC/router / Alu profile frame....25mm Alu Cutting bed X=500mm Y=300mm Z=110mm.....Supported 25mm X rails ....Supported 20mm Y rails....Supported 20mm Z rails.....2.2kw Chinese WC spindle..... CSLAB CSMIO/IP-M 4-axis Ethernet Motion Controller....M542 Drivers..SY60STH86-3008BF Motors...running....Mach3 / Cambam / Emachineshop.
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31-01-2015 #3
Last Activity: 09-02-2025
I have bought one of these Bobs = http://www.ebay.co.uk/itm/3014581372...%3AMEBIDX%3AIT
Anyone know how to make my 3d probe (http://www.wildhorse-innovations.com/index.php?_a=viewProd&productId=80& review=read#read_review ) work with this board ?Swedish Storbro Luna - 3 axis CNC mIll - 250 - 2500rpm / 1.1 tonne
3 axis CNC/router / Alu profile frame....25mm Alu Cutting bed X=500mm Y=300mm Z=110mm.....Supported 25mm X rails ....Supported 20mm Y rails....Supported 20mm Z rails.....2.2kw Chinese WC spindle..... CSLAB CSMIO/IP-M 4-axis Ethernet Motion Controller....M542 Drivers..SY60STH86-3008BF Motors...running....Mach3 / Cambam / Emachineshop.
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31-01-2015 #4
Last Activity: 02-10-2024
It looks to me like you connect the tip of the stereo plug to an input pin of the bob and the middle ring of the plug goes to ground. Rather than cut the plug off like they suggested I would get a matching socket, mount it somewhere handy and wire that back to the bob.
e.g. http://www.ebay.co.uk/itm/3-5mm-Jack...item3cb8d4d762Last edited by EddyCurrent; 31-01-2015 at 10:22 PM.
Spelling mistakes are not intentional, I only seem to see them some time after I've posted
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31-01-2015 #5
Last Activity: 09-02-2025
I have already got a socket setup for the probe as it was functioning properly with my previous motion controller board. Now I have swapped this board for the 5 axis BOB, it will not function. It is wired exactly as you just suggested
Originally Posted by EddyCurrent
Swedish Storbro Luna - 3 axis CNC mIll - 250 - 2500rpm / 1.1 tonne
3 axis CNC/router / Alu profile frame....25mm Alu Cutting bed X=500mm Y=300mm Z=110mm.....Supported 25mm X rails ....Supported 20mm Y rails....Supported 20mm Z rails.....2.2kw Chinese WC spindle..... CSLAB CSMIO/IP-M 4-axis Ethernet Motion Controller....M542 Drivers..SY60STH86-3008BF Motors...running....Mach3 / Cambam / Emachineshop.
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31-01-2015 #6
Last Activity: 02-10-2024
Have you tried connecting a mutimeter to it (on ohms range) to see if the circuit makes and breaks when the tip is moved ?
Spelling mistakes are not intentional, I only seem to see them some time after I've posted
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