Will build a Benchtop mill including Castings! Comments appreciated. - Page 2


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Thread: Will build a Benchtop mill including Castings! Comments appreciated.

  1. #13
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    CNCFun&games
    You have just set the bar to max. Excellent work, I,m so impressed that you are casting your parts in iron. Beautiful work and your making a knee mill too. Please keep us posted!!



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    CNCFun&Games,

    This is a very interesting project, and it's coming along just fine. My big question for you is if you are melting the iron yourself, and if so how?

    Great Work!



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    More power to you for melting cast iron. Great job so far



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    Default Casting my own parts....never!

    ZIPSNIPE: thanks....your feedback is important to me!

    dang & defarijf : A Clarification... I make my own patterns & take them to
    Covert Iron Works, Huntington Park, CA where they work their magic!!

    I've been using their services for 25 years & they do excellent work.
    I always order a minimum of 5 parts.

    I like using Gray Iron parts...but I hate machining the stuff.
    It takes a lot of time to clean my shop after machining it.
    Black dust everywhere.

    My Bridgeport Boss retrofit is being setup for coolant just to solve
    that problem.



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    Why did you opt for a knee(bridgeport) configuration rather than a bed style(Tormach)?



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    Nice work. The knee mill looks like a little brother to my Rockwell vertical mill.

    Regards,

    Chuck



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    Cncuser1

    I decided to construct the Knee Mill along with the Fixture Mill
    because I had already prepared the plans, made the patterns and had the
    castings on hand. I suppose I could reverse the column, and mount the head
    in place of the knee and have a bed mill configuration.

    I have already built a mill configuration which I consider the optimal design
    for a Benchtop mill. The Bridge mill has a large working envelope, is extremely
    sturdy, uprights are 9.5” x 20.” x .75” Blanchard Ground steel plates. The bridge
    is rectangular steel tubing 6.” x 3.” x .375” wall. x 24” lg. It was my first CNC
    design & it’s been running for over 7 years trouble free.

    The best design for a Bridge mill I’ve seen was just released by Mori Seiki.
    I’ve contemplated building a simplified benchtop version of their Duro Mill because it contains all the design features I consider important. Think I could do it with 4 or 5 castings……..WELL, enough dreaming…..back to work on the Fixture & Knee Mills.

    kuhncw,

    The Rockwell is a very nice mill… big enough to do some serious work.

    Attached Thumbnails Attached Thumbnails Will build a Benchtop mill including Castings! Comments appreciated.-bridge-mill-1-jpg   Will build a Benchtop mill including Castings! Comments appreciated.-bridge-mill-2-jpg   Will build a Benchtop mill including Castings! Comments appreciated.-bridge-mill-3-jpg   Will build a Benchtop mill including Castings! Comments appreciated.-mori-seiki-dcg-design-jpg  



  8. #20
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    Your castings look to be of very, very good quality. I am impressed! They look smoother than most commercial castings.

    I am watching also...

    Scott

    Consistency is a good thing....unless you're consistently an idiot.


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    I just wanted to say that this is one of the best builds I have seen on here...mostly because you made the patterns for the castings. Talk about a custom build. Any chance I could get you to design, draft & make some patterns for some projects I have in mind?



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    CNCfun&games,

    Your bridgemill concept is very interesting. What are the X, Y, & Z movements and what diameter are the guidebars? Do you cut metal with it?

    Thanks,

    Chuck



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    Default Bridgemill Plans added

    Scott,
    By incorporating sufficient draft, using multiple coats of sanding sealer
    and block sanding the pattern to a fine finish, a smooth & finely detailed
    casting will be produced.

    Wyld,
    With the information I’ll include in this thread,you should be able to
    construct your own patterns. It is very rewarding to see the results of your
    effort cast in gray iron, brass or aluminum. Give it a try.

    Kuhncw,
    The travel of the bridgemill is 18” x 12” x 9”. The Thompson rails are 1” dia,
    and I selected 5/8” Ball screws with double nuts on X & Y.
    The assembly drawings are posted for reference. The mill was originally designed as a 5 axis machine, but only 3 axis’ were included in the
    prototype. I’m currently installing the new square steppers (425 oz”) & adding an additional axis.to rotate the spindle from side to side. To date, I have only machined wood,plastic ,brass & aluminum on this mill.

    Attached Thumbnails Attached Thumbnails Will build a Benchtop mill including Castings! Comments appreciated.-5-axis-mill-1-jpg   Will build a Benchtop mill including Castings! Comments appreciated.-5-axis-mill-2-jpg   Will build a Benchtop mill including Castings! Comments appreciated.-5-axis-mill-3-jpg   Will build a Benchtop mill including Castings! Comments appreciated.-bridge-mill-axis-001-jpg  

    Will build a Benchtop mill including Castings! Comments appreciated.-bridge-mill-column-jpg  


  12. #24
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    Keep it up man... Many of us watching ur progress... i will keep my eyes on ...



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Will build a Benchtop mill including Castings! Comments appreciated.

Will build a Benchtop mill including Castings! Comments appreciated.