GearHeads Forum

Cutting Gears with Multitasking Machines
http://www.mmsonline.com/articles/cutting-gears-with-multitasking-machines

Yes, I communicated with Chuck, and he told me the tool path was for a straight flank cutter.

So they do.

I downloaded a couple of programs to generate a tool path here.

• http://gearotic.com/ESW/FavIcons/index.php?topic=131.0
• http://gearotic.com/ESW/FavIcons/index.php?topic=130.0

;D Thanks

get a slitting saw that will fit the dimensions of your gear
I wish 1.25" Nope, any bigger and it will hit the squirrel cage.

This is a neat video, wish mach3 had the same capabilities.
https://youtu.be/ZhICrb0Tbn4

I see what you mean :). I had not thought of that.
https://youtu.be/SJQtx80euGM?t=3m11s
I was thinking of buying the 2.25 diameter 32P 20PA #8 cutter and slicing a single tooth out.
Make a fly cutter to hold the single tooth. 8)
I just scored ;D a Boston Gear pitch gauge on EBAY.

Boston Gear ...

I talked with Ash Gear. They said;
"A cutter that you are looking for does not exist :o. I suppose you could have a small single cutter made? But given the delivery and expense you would be better of having Rush gears cut the gear with a hobbing machine."

Looks like I'm making a [glow=SILVER,3,100 ...

Thanks to all who replied. Doing some reading http://www.bostongear.com/pdf/gear_theory.pdf and math I too figured I need a 32 pitch, 20 deg PA . Now I need to find a cutter. #8 cutters I've seen all are > than 1.75". I was able to download the gear profile from http://www.rushgears.com . If I can ...

I can wait  8) I think I need a cutter like this with a 1.75 OD .038 wide tip.