Terry Christophersen wrote: > I dont know how this is done on newer lathes but Ive seen > older ones with an electric clutch on the spindle that engages > and a seperate servo motor that does the milling or positioning moves > then disenguages for normal lathe turing. > Could an encoder be put on a the servo(except for the index pulse) > this way the servo encoder would not have the wrap up from turning > operations as it would be disengaged most of the time? > I am sorry that this is probably not helping this person but I am > thinking about doing this to a lathe of mine and this > topic reminded me of my question > If you need really rigid holding of the spindle then what you describe is probably the only way to do it on a home shop budget. If it is for very light work, then maybe a single motor can do it without it being massive. Then, it mostly becomes a software problem.
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