Will build a Benchtop mill including Castings! Comments appreciated. - Page 5


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

  1. #49
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    CNCfun&games excellent work , so when can cnczone members make a order for a CNC_Mill ?



  2. #50
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    CNCfun&games In your post #5 you have a cast Base Plate. FLAT CASTING PLATE.
    I was wondering if you have an extra one to sell me?
    If not I was thinking of using Alum-1" Plate 18x20.
    All so looking at the parts list of the Mill Table item #24.
    Did you use the old parts or NEW castings?
    One more qestion; Did you use NSK 6000ZZCE bearings in X&Y?
    Or a differant bearing on the Y axis?



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    FPV_GTp

    Thanks for your kind words! On the question of CNC Mill orders, I'd like to share my castings
    with interested parties, but don't want to if it limits my fun time in the shop.
    I have been exploring some ideas with friends in the business but nothing concrete
    has developed.

    Oldboy

    A Designer/ Toolmaker friend of mine has several base plates in stock at his machine shop, send me a PM & I'll put you in touch with him.
    Yes, I modified the castings on the ENCO cross slide.
    The NSK 6000 ZZCE Bearings were used on both the X &Y axis.

    Fixture Mill progress:

    Not much physical progress to report because I've been working on an all aluminum moving gantry
    router for a relative who intends doing both sign & corian work with it.
    Luckily I've enlisted the aid of my Designer/Toolmaker friend who has years of experience building Gang Tool Lathe Retrofits & Toolchangers. We've been looking at several lengths of ½-10 acme screws from 12 to 48 inches (with Delrin Nuts) and they appear to satisfy our need to produce a husky reliable design at a reasonably low cost. We are also considering using Thompson Rails with Delrin Bushings & in preliminary tests they also look promising. See post #19 for photo's of a similar but much more rugged mostly steel design.
    We will complete the design in the next week then I can get back to finishing the benchtop mills & he can work his magic on the Aluminum Router parts. The Z axis design is already completed “so let the FADAL'S begin”.

    We will start a thread on the build and expect to receive much constructive input on our effort.
    Since the Gantry Router configuration is so popular we will also post the working drawings.



  4. #52
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    Thank You CNCfun&games.
    Im going at it a little different with my ENCO table from the way your doing it.
    So I wont need that Base plate. When im done I should have a very strong mini mill. With X&Y 16" or a little more. Will post pictures after completion.
    How is your project working out for you CNCfun&games?



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    I received a nice present today via UPS.

    It was my order of electronic modules for my Mill projects.
    Compared to the Yaskawa & Ge-Fanuc drives,motors, BO boards & cables I buy regularly,
    it was very very inexpensive! But unlike them It was plug and play.
    Definitely eye candy for this “old” electronic packaging guy. Nicely designed & executed
    PC boards. Thoughtful consideration for the person who will assemble the modules into
    the finished system. I'm a happy Guy!

    Enclosed are photos of Tom Caudle’s Cand CNC products & the other stuff I use regularly.

    W. Smith

    Attached Thumbnails Attached Thumbnails Will build a Benchtop mill including Castings! Comments appreciated.-plug-play-1-jpg   Will build a Benchtop mill including Castings! Comments appreciated.-gecko-sys-01-jpg   Will build a Benchtop mill including Castings! Comments appreciated.-sys-01-jpg   Will build a Benchtop mill including Castings! Comments appreciated.-sys-02-jpg  

    Will build a Benchtop mill including Castings! Comments appreciated.-electrical-panels-003-jpg  


  6. #54
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    Great stuff CNC Fun&games !!!! The exploded view of the table and explanation on fixing its short comings is excellent!!!



    You Da Man !!!!!!



  7. #55
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    Zip: comments appreciated!!

    Finally Back to the project at hand!

    Installation of the linear rails on the Cross slide base to complete the “Y” axis.

    After pre machining the various mounting surfaces, a new 4 flute 5/8 “ end mill was installed and an .060 deep Datum Plane was machined into the mounting surface.

    Then the mounting holes were drilled and tapped.
    After carefully stoning the mounting surfaces tp remove the eruptions from the surface
    caused by the drilling & tapping operation the linear rails were installed.

    The next step will be to install the 10” long rails on order from NB. These rails will provide 6” of travel on the Y axis.

    Then the X & Y axis’ will be joined & the Z axis spindle will be started.

    Attached Thumbnails Attached Thumbnails Will build a Benchtop mill including Castings! Comments appreciated.-y-lin-rail-instl-1-jpg   Will build a Benchtop mill including Castings! Comments appreciated.-y-lin-rail-instl-2-jpg   Will build a Benchtop mill including Castings! Comments appreciated.-y-lin-rail-instl-3-jpg  


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    Default Excuses, Excuses!!

    I have not posted to this thread since mid March because I’ve been pre-occupied with a Gantry Router with 54” x 44” x 6” Travel, which has been much more time consuming than I anticipated!

    The Router will be used for sign making, Wood, Mfd, & Corian.

    Will drive the Gantry (X axis) with 2 steppers.
    Obtained four 5/8-5 Thomson Ball Screw's, but am considering Rack & pinion on the X. However; I have NO experience with R&P so input would be appreciated from any of you router Guy's out there.

    W.Smith

    Attached Thumbnails Attached Thumbnails Will build a Benchtop mill including Castings! Comments appreciated.-gantryrouter-jpg   Will build a Benchtop mill including Castings! Comments appreciated.-dsc01368r-jpg   Will build a Benchtop mill including Castings! Comments appreciated.-x-axis-gantry-supports-jpg   Will build a Benchtop mill including Castings! Comments appreciated.-yz-mtg-blk-assy-jpg  

    Will build a Benchtop mill including Castings! Comments appreciated.-y-z-mounting-block-1-jpg  


  9. #57
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    Hi All,

    Was hoping to get some friendly advice on Rack & Pinion Drives for my Gantry Router now in progress, But; guess this is the wrong forum!!
    Have been checking the Router forums & think I can make an informed guess on which way to go.

    During the last few months I’ve been thinking about a Square column adaptation for the Benchtop Mill. I’ve been playing with the column on the Knee Mill and it is extremely rigid in all planes. It could be modified to put a geared Head/Spindle on the dovetail ways, but there is room for improvement!
    1.- Increase the surface area of the foot to 5-1/4” x 8” -3/8.
    2.- Decrease the height from 24” to 19”.
    Think I’ll Make a couple of patterns and give it a try.
    As usual a lot of details will change in the pattern making process.

    After looking at the drawing it becomes obvious I should extend
    the foot in the front and back by .625 like the sides.
    Enclosed are sketches….Comments appreciated!


    Regards…. W. Smith

    Attached Thumbnails Attached Thumbnails Will build a Benchtop mill including Castings! Comments appreciated.-mill-column-jpg   Will build a Benchtop mill including Castings! Comments appreciated.-p1-column-bm-b-jpg   Will build a Benchtop mill including Castings! Comments appreciated.-column-details-jpg  
    Last edited by CNCfun&games; 07-05-2008 at 06:27 PM. Reason: Add Attachment


  10. #58
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    Question

    Why not do the same mod to the back of the column also?



  11. #59
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    i cast bronze in my shop and wanted to know what yall thought of it for a milling maching base and upright if i use thk rails with it



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    Default Revised column Design

    Jalessi
    I will probably cast 5 pcs in the present design. If the rigidity isn’t adequate I’ll happily take your suggestion and enclose the rear of the column. Adding a core will definitely increase the stength and the complexity.

    Johnc2309
    The base weighs 33# and the column #40.
    Those castings in bronze would be something!!

    Rodm1954
    Would appreciate your input.

    HI All,
    Enclosed are photo’s of the modified column.
    I will start the pattern making this week, and post a comprehensive
    photographic record of the build.

    W. Smith

    Attached Thumbnails Attached Thumbnails Will build a Benchtop mill including Castings! Comments appreciated.-p1-column-rev-1-jpg   Will build a Benchtop mill including Castings! Comments appreciated.-p1-column-rev-1a-jpg   Will build a Benchtop mill including Castings! Comments appreciated.-column-rev-jpg  


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