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Milling – other
turning on the milling machine
cherrying
extending the milling space
using a vertical milling machine as a horizontal one and v v
quill feed for a vertical milling machine without one
using the milling table with a pair of centers
slotting on the milling machine
john f's workshop 
Hi John,
I need to cut 3 gears 1- 63 teeth, 1-81 Teeth, 1-92 Teeth.
I have a vertical mill with a semi universal dividing head with 3 index plates with holes 15 to 49.
I need to know if I can cut these gears with this type of dividing head?
I am not very good at maths and would appreciate if you could help with dividing the circles for these gears
you/i need to know the ratio on the worm – probaly 40 or 60 to 1
how many turns of the handle does it take to rotate the main spindle once
I thought I had replied to this but perhaps not. The first thingt I need to know
is how many times do you have the do a complete turn of the handle to make the mainshaft/chuck turn by one whole revolution. It is probably 40 or 60. nothing can be done till this is known.
john f