Capabilities of this fellows shaper?

Garwood

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If you were looking for a shaper to cut involute internal splines from .75" ID through 1.75" ID and OD 16DP 14.5PA spur gears from 1.25" OD to 8" OD with a max face width of 1.75" would this be a good machine?

How does helical work with these machines? Is there a slide you can adjust for helix or is it an add on accessory you have to change out?

I doubt the timing and my budget will align to make this machine work, but it might. Rigging and trucking will probably be more than the machine is worth.
 

Mud

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Size wise it's OK. For internal work, you need a hollow spindle, that takes a shortened #2 morse taper shank with a drawbar, find out if that machine has a hollow spindle most importantly. There are adapters for machines that don't have it, but they greatly reduce the work height. Generally machines doing internal work also have risers to increase the work height.
I don't know about #10 machines, Zahnrad probably does. Most gear shapers use helical guides to do helical work, each helix needs it's specific angle guide, in both rh and lh and they cost dearly even used, I think the #10 is that way. They get changed out for setup.
A 6A Fellows might be a better choice and cheaper, even though older.
 

Garwood

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Thanks Mud.
That makes sense about the different interface for small ID stuff. There are two same looking machines and both have 3" risers.

What I really want is a gear shaper to get my toes wet, make some basic stuff that would pad some other products I sell. Down the road I want to make transmission gear sets for a very high end niche in automotive transmissions. I'm pretty good at finding deals on machines and making stuff happen, but the barrier to getting into making gears for me seems to be learning about the process and machines. If I know 100% that the gears I want to design are possible and know 100% what equipment is required to make them then I got something I can work with. But I gotta get from "I can machine stuff" to I know a couple things about gears.

Looking for an older Fellows makes sense for a starter machine. Thanks.
 
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