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Thread: Rotating handles for lathe cross slide and carriage control

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    Paul Jones's Avatar
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    Rotating handles for lathe cross slide and carriage control

    Have you ever had a simple machine tool improvement project that you wish you did it years ago? That is what happened here. I finally replaced the short little handles on my Unimat lathe carriage and cross slide feed control wheels with ones that are longer, more comfortable, and rotate. This was so simple that you probably think what's the big deal. The big deal is why I waited so long to do this.

    Rotating handles for lathe cross slide and carriage control-unimat-sl-before-after-handle-improvement.jpg Rotating handles for lathe cross slide and carriage control-unimat-sl-handle-improvement.jpg



    The machining is pretty simple. I drilled out the original handles that are a press fit and held in place with a flared end. I then used a 10-32 tap to thread the hole for a 10-32, 0.250" dia. steel shoulder screw with its head turn down to 0.300 dia. The handle is made from 1.25” x 3/8" dia. 6061 aluminum rod with a slight 2 degree taper, drilled and reamed to 0.250”, and a short step hole bored in its end for the shoulder screw. Everything is a running fit with graphite lubricant so there is no looseness and provides a good feel for machining. The first photo is the old style handle and the other photos show the improved handle version.

    More photos and information about the Unimat modifications can be seen at Modifications and Improvements to a Unimat SL 1000 Lathe .
    Attached Thumbnails Attached Thumbnails Rotating handles for lathe cross slide and carriage control-right-left-carriage-stops-up-positions.jpg   Rotating handles for lathe cross slide and carriage control-carrige-stops-positioned-out-way.jpg  
    Last edited by Paul Jones; 03-03-2018 at 08:30 AM. Reason: Missing detail photos of the handles

  2. The Following User Says Thank You to Paul Jones For This Useful Post:

    kbalch (07-29-2014)

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    Catfish's Avatar
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    Nice job on the handles Paul.

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    Paul Jones (08-13-2014)

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    Thanks Paul! I've added your Rotating Handles to our Machining category, as well as to your builder page: Paul Jones' Homemade Tools. Your receipt:



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    Paul Jones (08-13-2014)

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