retrofit Z axis, shoptask

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    Default retrofit Z axis, shoptask

    Hey JT, I recently retrofitted the Z axis on my 1990 Shoptask mill. I Completely eliminated the worm gear and the rack and pinion which was part of the original design. the new configuration works very well. I am attaching a few photos, thought there may be a few individuals who may be interested. One question I would like to know is the approximate weight of the machine with out a stand. Thanks a lot. Hope the pics are attached

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    Member Jim Dawson's Avatar
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    Default Re: retrofit Z axis, shoptask

    Would love to see your work, but no pictures



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    Default Re: retrofit Z axis, shoptask

    ya, I would like for you to see them, I did put pics on before, thought I did today too, I converted them to jpeg and and opened them but apparently nothing happened Can I still attach to the old post or thread, thanks for the help.



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    Default Re: retrofit Z axis, shoptask

    Quote Originally Posted by CAD226B View Post
    Can I still attach to the old post or thread, thanks for the help.
    If the Edit Post is still available to you, then you should be able to add pics.



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    Default Re: retrofit Z axis, shoptask

    ok ,thanks, I will try to get the photos on sap, maybe not tonight though, thanks

    Attached Thumbnails Attached Thumbnails retrofit Z axis, shoptask-001jpeg-jpg   retrofit Z axis, shoptask-033jpg-jpg   retrofit Z axis, shoptask-034jpg-jpg   retrofit Z axis, shoptask-036jpg-jpg  

    Last edited by CAD226B; 03-03-2017 at 12:27 AM.


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    Default Re: retrofit Z axis, shoptask

    Quote Originally Posted by CAD226B View Post
    ok ,thanks, I will try to get the photos on sap, maybe not tonight though, thanks
    Nice work- I see you also modified the lathe spindle to a thread-on chuck. 27 years old and still working!



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    Default Re: retrofit Z axis, shoptask

    Looks good! I like the E-stop on the back of the computer



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    Default Re: retrofit Z axis, shoptask

    Thanks all, the last question was satisfied. The new ones are (1) since I did change the I and J to Incremental it seems that the screen display shows a circle as an oval (long the X axis) how to remedy this? (2) and also when I home the machine and move to center of X and Y axis more or less and I load a g-code that is not out of limits , the display shows that it is by stating aborted ...etc, I did get the bottle of Jim Beam but I haven't opened it yet, thanks for all the help!



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    Default Re: retrofit Z axis, shoptask

    CAD226B, I've got a Bridgemill and I'd like to put ballscrews on my Z (actually all 3 axis). Any chance you have drawings of what you did that you would be willing to share?



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    Default Re: retrofit Z axis, shoptask

    dgapilot, Though I did respond the same day you posted, I will try it again, I never had real working drawings for the retro fit, only a bunch of PAINT sketches that only I could probably use. On the Shoptask I started with the existing mounting plate and attached a vertical .5" x was it 4" wide CRS with a sliding 3" piece of cold rolled steel for the end mount for ball screw pillow block made of .5" aluminum stock. this is attached to the horizontal bracket which was bored to the size of the existing Shoptask spindle. The only other help I could provide is more photos. good luck !



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    Default Re: retrofit Z axis, shoptask

    Nice job ... looks more rugged then the kit they offered years ago to make the Z ballscrew



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    Default Re: retrofit Z axis, shoptask

    Quote Originally Posted by dgapilot View Post
    CAD226B, I've got a Bridgemill and I'd like to put ballscrews on my Z (actually all 3 axis). Any chance you have drawings of what you did that you would be willing to share?
    Hey dgapilot, I just ran across some of the old drawings for retro fit Z axis that may be of some use to you if you are still interested. If you are, please let me know and I will forward them to you.. I am not sure how to do it but I think the best way would be to send then in email. or ? Have a good one. About 5 or 6 sheets.



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retrofit Z axis, shoptask

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