- May 27, 2010
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Hi Dunc,While threading capability is great to have, on a practical basis on many hobby lathes it is difficult to practice. I have a mini & a 10 inch (5 inch center height) lathes. Both have threading capability (lead-screw, change gears, etc); however, their minimum speed (for the mini: add with adequate torque) is much too high to be able to thread. There is a reason that a Myford (and many others) has a back-gear to achieve speeds that are slow enough that everything is not happening quicker than I, at least, can think - let alone react.
For the mini there are a number of plans out there to add a spindle crank to turn the lathe manually. For the larger lathe I am toying with the idea of adding a jack-shaft to the motor drive to reduce the speed. In the meantime, I have been using taps/dies.
For now,I make do with a 150mm Swing and 360mm between centres Japanese Watch-maker's Mini Lathe. I use taps with tapping head and Die Heads. For my mini model engine builds the above will do. I use machine taps which cost 2---3 times than hand taps. Tap and die threading with Tapmatic Oil produced very good threads.
Going for a bigger lathe and mill is out of question due to very limited space in the balcony. Presently with just a mini lathe,mini Vertical Mill,13mm cheapy China Drill press and Bosch 8" Grinder makes complete requirement.
Work Bench with 4" Record bench makes the hacksaw/fitting dept complete.
Still trying to fit in a small band saw and it will be Taiwanese for long life.
After so many sessions manual hacksawing 1 1/2" bars,I find manual sawing
quite fun and gives good excercise.