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  1. #21
    dudz's Avatar
    Lives in Bretagne, France. Last Activity: 20-05-2017 Has been a member for 4-5 years. Has a total post count of 256. Received thanks 1 times, giving thanks to others 50 times.
    Ah ha.. probably these : x20 T-Nuts Slot 10 M6 1001 | eBay
    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......"USB Breakout Board Interface 200KHz"....M542 Drivers..SY60STH86-3008BF Motors...running....Mach3 / Cambam / Emachineshop.

  2. #22
    dudz's Avatar
    Lives in Bretagne, France. Last Activity: 20-05-2017 Has been a member for 4-5 years. Has a total post count of 256. Received thanks 1 times, giving thanks to others 50 times.
    OK. These rails purchased...2 linear bearing slide unit SBR25-850mm rails+4 blocks | eBay

    I hope the quality is as good as the ones sold in the UK.
    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......"USB Breakout Board Interface 200KHz"....M542 Drivers..SY60STH86-3008BF Motors...running....Mach3 / Cambam / Emachineshop.

  3. #23
    You should have contacted Chai directly then you'd have got a better deal!!

    Most of the rails sold in the UK are imported from China anyway ;)
    Neil...

    Build log...here

  4. #24
    dudz's Avatar
    Lives in Bretagne, France. Last Activity: 20-05-2017 Has been a member for 4-5 years. Has a total post count of 256. Received thanks 1 times, giving thanks to others 50 times.
    Ok.... I received my Aluminium via UPS. 470mm X 300mm X25mm

    I clamped it down to the original bent Vacuum bed (which temporarily straightened it)... planned the new supported rail bearing block mounting holes in CamBam and successfully drilled and counter-bored the holes. First thing I have ever done with this machine since changing the Z axis plate and adding the 2.2kw Chinese spindle. What an improvement so far !
    Still a way to go to make it more sturdy, but I am already planning the next improvements to come.

    Now... in respect of holes for clamps on the cutting bed.....For now I am going to drill and tap some holes for clamps. (maybe cutting slots later if needed). What size metric holes should I use for the clamps ? M4/M6 ?? and what depth ?
    Last edited by dudz; 28-12-2012 at 09:47 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......"USB Breakout Board Interface 200KHz"....M542 Drivers..SY60STH86-3008BF Motors...running....Mach3 / Cambam / Emachineshop.

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