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The way i do gears is using pro program instead of
UDFs. I set up the involute curve, and use variable section sweep to
create the helix. Set up all of the relations and then use pro program to
prompt for these values every time I regen the part. For every new gear I
have to model I open this generic gear enter the new info (pitch dia, base dia,
helix angel etc..) then save a copy and name the gear appropriately. Iv recently set up mapkeys and created a
Gear tools drop down menu were I can choose either English ore metric gear, the
map key grabs the generic gear model and prompts me for the new info then
performs a save copy to working directory were I enter the part name.
It took me about 3 days to set all this up and work out any
bugs but the time saved over time makes it very useful.
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