Rivett 918s questions

Greetings,
Typically I can find the answer to any question I have regarding machining using the Forum Search. It takes time, but so does good work. I recently purchased a Rivett 918s with a full complement of collets and tool holders for the turret. Referring to the brochure for the 918s, I have the spindle nose with a stationary collet (7R). Also in the brochure it lists the specifications for the headstock as having a 6" jaw chuck capacity. It seems that the nose for the draw-in collet is the long taper key-drive style (L00 with the 4tpi). Where I have just a threaded spindle nose. Though the lathe will be use full to me as is (when I take off all the extra paint) It would be more use full if I could get a chuck on there. Can I fit you to this machine??? Forgive my ignorance.

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Is it possible this is an adaptor on top of your L00 taper. Inside bore and exterior thread look similar to my Kerry spindle when I have the collet protector on it. Not sure how the typical thread collar would work on this lathe given the photos but something to look at?


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