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Baronj wrote, "That looks reminiscent of the sort of method used on auto or CNC tool changers. However it doesn't get you away from the play in the cross slide. " I agree with you Baronj but the main point of the vertical parting tool is it avoids the horizontal cantilever distance from the...

What about this "vertical" parting tool arrangement. The topslide has been wound back just enough to enable the parting tool holder to rest solidly on the cross slide, preventing any downward deflection due to the normal cantilever extension on both a front or rear mounted parting tool. The...

In order to clarify the operation of a vertical parting tool here is my rather primitive description of how I think it works. Imagine that you are the parting tool holder whereby your two hands are held straight out from you body. You hands are gripped together and your fists are the cutting...

Here is my submission to the discussion, its all about rigidity at the mounting including the topslide etc Alan

You could build this from Cast Iron and Mild Steel sections. http://www.lathes.co.uk/stepperhead/ Alan

Thank you Bernard, Over the past few years I have been designing and building a variation on the Metalmaster. It is made from solid cast iron blocks and standard mild steel sections to avoid making castings. The essential difference to the Metalmaster is that the bed remains stationary and...

Yes Dave, if you like you can see more pics here http://www.flickr.com/photos/32647007@N02/sets/72157610446872607/ Regards Alan

Hi Guys, Here is my keyway cutter designed to fit my Stepperhead lathe. It has the advantage of connecting directly to the headstock avoiding the problem of the cross slide moving back due to the thrust. It can also cut at an angle to the lathe axis. Regards Alan

Rob Very nicely made, that operating handle is beautiful. Alan

Here is my old lathe a Chipmaster, circa 1956 and which, I have refurbished and repainted. The bed was fairly well worn so I spent some time trying to re finish the bed by hand to achieve most of its original accuracy. I have added tee slots (bolted from underneath to the original cross slide)...