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Mike_89

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Posts posted by Mike_89

  1. some came from these people http://www.worldofcnc.com/

    some from ebay it does pay to shop around as some of the prices vary wildly

    if you're going to be machining harder materials fully supported rails will be better than rails like mine just supported at the ends

    also what software/hardware are you going to use ? i've had lots of trouble with intel based systems but none with amd

     

    SOFTWARE

    • CAM -> BobCam or similiar
    • Mach3 / Mach4
    • OS -> Windows 7 64-bit

     

    HARDWARE

    • 5-axis CNC Breakout board opto isolation for the parallel port
    • Stepper Motor Drivers w/Stepper Motors
    • Deciding between Directly coupled motors or pulley system with different ratios (still researching this at present. Not sure if it will increase the overall accuracy of the machine).
    • Linear Slide Rails (Flat Type) Fixed to structure
    • Decided to go with a 5-axis machine I think as it will add a little extra work onto the end mill

     

    Before I purchase anything I will be designing the machine on CAD.

     

    I'm a toolmaker so only have experience with industriaL machines, what are you planning to machine.

    IF I was going to build my own I would probably try retrofitting a manual mill as it will be far more versatile and much stronger than anything you could build yourself.

     

    I am looking at milling various materials to make my own parts etc.... I imagine the limits are relatively endless as you can continuously improve the machine.

     

    The other benefit to this is to learn something new, as a systems engineer I find a lot of things interesting and like to understand how things work. So I thought why not do something that would be useful. It will also help me with other future projects as I can make parts if required.

     

     

  2. I am initially looking at building a desktop style 3-axis machine using extruded aluminium or something will provide some rigidity. The idea at the minute is to build a simple (yet sturdy) machine which can then help me build a more complex machine were I can machine my own parts.

     

     

     

     

     

  3. This looks impressive.

     

    I am wanting to mill aluminium and need some advice, as I am led to believe that feed rates and spindle speed is critical to cutting aluminium without destroying the machine due to vibrations.

  4. I've been doing a bit of research on building my own CNC machine. I have concluded my findings and know what to build. Just wondering if any members have had any dealings with CAM software / G-Code or even building a similar project?

  5. Its going to be end of July as I have exams and busy with work. I may end up doing it earlier if work drops off a little.

  6. Guy at work used to own one and ended up replacing gearbox which I believe cost a pretty penny, but this didn't stop him buying another then had a downsize after a year and bought an rs4, which he regrettable sold.

     

    Edit: he had the v10 version

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