Can I cut prop shaft taper w/o taper attachment? - Page 3
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  1. #41
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    prop shaft should be cut with a key seater
    the radius of the key seater diameter makes for a stronger key way

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    OK so let me get one key thing straight though because I'm not sure.

    I am going to turn my compound to the necessary degrees and make my cuts? I didnt know it would go that far over. Will go out now and check it out

    also whats a long slide?

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    Quote Originally Posted by pat pounden View Post
    ok-all in favor of electing thermite mayor of this site...say aye
    He already is, you are new....

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    Quote Originally Posted by FlyinChip View Post
    also whats a long slide?
    He is talking about a different compound with a longer slide for more travel distance. Maybe adapted from another lathe.

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    Quote Originally Posted by FlyinChip View Post
    OK so let me get one key thing straight though because I'm not sure.

    I am going to turn my compound to the necessary degrees and make my cuts? I didnt know it would go that far over. Will go out now and check it out
    Seriously? Never mind the markings. They generally rotate within "most" if not all, of 360 degrees, even if only half or a bit less in each direction.

    SB's one, IIRC, IS a full 360 degree capable unit - off the back of use of a circular dovetail and wedge-tip clamping screws coming in from the sides, below it, yah?


    also whats a long slide?
    Speciality item. Coupla firms make the goods as general-purpose slides. Seen more on bespoke setups, mills more often than lathes - for mass-producton of a specific part. Often hand-lever, hydraulic or air powered and in the "BCNC" era. Before CNC.

    Hardinge had some medium ones in their massive arsenal of lathe options. Many can be adapted to other lathes. Adapting a compound from a LARGER lathe to get longer travel is harder. Too TALL more often than not.

    Hand-lever operated, mostly, BTW. If you've never used a handlever, be aware they are actually quite lovely for steady feeding vs hand-cranking a wheel or balanced-lever handle in "increments" and struggling to keep the rate of advance uniform and pause-free.

    Think how much easier this task would be if your compound had four or even six inches of travel instead of less than 3 inches.

    Mind - rigidity is a challenge, and it has to be removed when not needed. Sore clumsy hazard to navigation otherwise.

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    Set up with your cutting tool and loosen your compound. Index off your tool/taper until it’s close, tighten down a bit, and put an indicator on your toolpost at 90 degrees to the longitudinal axis. Adjust your angle until it’s exact. Replace your cutting tool.

    Tighten everything and cut your taper.

  7. #47
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    Quote Originally Posted by FlyinChip View Post

    The material would be 304 or 316L stainless 1" OD from Grainger or similar.
    What is the overall length of the shaft?


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