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IndustryArena Forum > WoodWorking Machines > DIY CNC Router Table Machines > open source machine to machine a flat surface on a steel tube or an applied strip on
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  1. #1
    Junior Member
    Join Date
    May 2007
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    68

    open source machine to machine a flat surface on a steel tube or an applied strip on

    Hi All

    I have started this as a new thread.

    I am building an open source machine to machine a flat surface on a steel tube or an applied strip on that tube.
    Currently at version 54.

    Below is a link to GrabCAD Below that is a link to MYCNCUK where there is a discussion on using stretched wire and a USB microscope as used in the machine.

    Regards
    John

    https://grabcad.com/library/machine-...der_id=9681130

    DIY Laser levelling using webcam and laser level

  2. #2
    Registered
    Join Date
    Dec 2003
    Posts
    865

    Re: open source machine to machine a flat surface on a steel tube or an applied strip

    The grabcad link isn't working for me.From the description of simply machining a flat surface on a tube,do you actually need CNC for that?It would seem to be an operation you could do with any vertical mill and a power feed.

  3. #3
    Junior Member
    Join Date
    May 2007
    Posts
    68

    Re: open source machine to machine a flat surface on a steel tube or an applied strip

    Hi Routalot

    Hmm Sorry about the previous link

    Try this one.

    https://grabcad.com/library/machine-...linear-rails-1

    The machine as shown will surface about 2700mm long tubes. Clearly they will likely have a welded strip to allow for machining the face flat. Tube is not perfect. yes there are machine shops that can do this but it will likely be cost prohibitive.

    Using stretched wire as the datum the optical alignment system allows for machine to correct the errors that will be present using unground guides.

    Using manual placement of the sensor head and open source software exceptional accuracy has been achieved. see the link in the first post.
    The machine is designed to make single pecks, a bit like scraping or single sweeps typically about 30mm between each repositioning of the cutter head (Using the alignment system for every peck or sweep.

    The cutter will be 2mm diameter overlapping about 50%. It will not be a fast process.

    If you study the materials used the cost will not be prohibitive. There is no welding all laser cut joints and fasteners are used throughout.

    Regards
    John

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