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Thread: Shoptask 2000 modified

  1. #13
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    Default Re: Shoptask 2000 modified

    Shoptask 2000 modified-20151212_173528-jpgSorry Worm and to others interested. I work 12hr shifts and have had ot days. And its summertime haha gotta put the toys to use before winter comes. Anyway.


    So lets do this overtime like when I have an extra hour couple times a week.
    Here is the original Shoptask 2000 machine.Shoptask 2000 modified-17-20-gold-bench-250x250-jpg
    I got tired of chasing the backlash and deviations and always wanted to build this thing to best it could be. So over 3 yrs I waited for deals on ebay and other sources to collect all the parts I needed.

    Step 1 Tear it all apart and fill the base cast with a mixture that EWAG uses in hp cnc grinders. Seems to be crushed granite with an epoxy.
    Shoptask 2000 modified-20150829_123306-jpg then to the surface grinder at work. The original table took a shuffle on the grinder as well. finished both to .0001

    Sorry I dont have all of the detailed pics to this build but am digging up a few.
    The rails that are on the bed are THK KX series 35mm width.
    The rails on the table are THK SR25
    The carriage plate is 7000 aluminum 1.25" thick ground as well or more like polishing it.

    Here is another pic thinking about mounting plates for the screws and motors.
    Shoptask 2000 modified-20150922_175024-jpg
    The Z column I made from 4130 plate welded then surface ground. Base is 1.25 thick and column is .75 thick Then filled with the epoxy mixture. The rails are THK HSR 55mm width.
    All 3 ballscrews are Kuhn hybrid precision from switz I think there a little above styeinmeyer in quality. They are all 25mm diam. 5mm pitch
    I used INA angular contact bearings for all supports. The bolt on type to make it easier to float in align screws.
    The Headstock for the mill is the lathe headstock from the original machine setup on a grinder at work to make the base perfect with the bearing bore.
    Then used the lathe spindle accompanied by 4 hp angular bearings.
    Shoptask 2000 modified-20151212_173528-jpg
    At this point I got bored so started building the control cabinet.
    Shoptask 2000 modified-20161022_224609-jpgShoptask 2000 modified-20161022_224609-jpg
    I will try to make another post tomorrow night. Thank you for the patience.



  2. #14
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    Default Re: Shoptask 2000 modified

    For those wondering how much the cost and why. The mechinacal parts rails, screws, motor mounts, couplings,bearings, metals misc hardware total cost was
    $1300 must be patient and the parts you need will pop up. may need to cut modify.
    The cnc control box and motors was $3100 wasnt much to save here unless you piece used stuff together ugh not for me when it comes to the heart of the machine.
    original machine cost used $750
    Total $5150
    There is nothing out there that will do what this thing does for size and cost. It responds very fast, smooth, and accurate. travel is z16.5 y16.5 x 11.5 rapids of 400in/m
    Worm I'll get another post up tomorrow night



  3. #15
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    Default Re: Shoptask 2000 modified



    repeatabilty test



  4. #16
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    Default Re: Shoptask 2000 modified


    New spindle pulleys 6k



  5. #17
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    Default Re: Shoptask 2000 modified

    Got my probe mounted now to start with the programming
    Shoptask 2000 modified-20170831_121226-jpg



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Shoptask 2000 modified
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