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  1. 31-12-2014 #1
    dudz's Avatar
    Lives in Dunedin, New Zealand.
    dudz
    Last Activity: 1 Day Ago Has been a member for 9-10 years. Has a total post count of 278. Received thanks 2 times, giving thanks to others 69 times.
    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 Euros
    Last edited by dudz; 31-12-2014 at 01:01 PM.
    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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