Cheshire Steve
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- Mar 28, 2009
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I want to make a worm drive to add to a simple dividing attachment that uses a changewheel and plunger on the end of a spindle. Ideally I would like this to work for a range of changewheel sizes. I assume the worm should be angled at the helix angle, but I am struggling to work out exactly what pitch or shape to cut - or even whether the shape is important. My indexed spindle takes gears off my Winfield lathe - which are 20DP, and is used on my Centec mill.
Reason is that I wanted to index 125ths, and couldn't accomodate a 125 tooth wheel even if I could find one. I am open for other cheap and cheerful ideas to acheive 125ths indexing, but I am favouring a worm at the moment.
Grateful for any pointers.
Reason is that I wanted to index 125ths, and couldn't accomodate a 125 tooth wheel even if I could find one. I am open for other cheap and cheerful ideas to acheive 125ths indexing, but I am favouring a worm at the moment.
Grateful for any pointers.