| Gallery, Projects and General > How do I?? |
| Cutting internal gear teeth |
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| bogstandard:
Very interesting info coming out here guys. Keep it up and I will be starting sooner than you think. Just joking of course, this is a rather large subject to absorb quickly, but every little snippet of information all helps in seeing the big picture. Reading technical information is OK to a point, having personal experiences to read is even better. There is a great difference between theory and practice. John |
| John Hill:
John, are you going to be able to cut internal gears with those hobbing cutters? :scratch: |
| bogstandard:
John, This is what we have been discussing. The hobs won't cut internal teeth directly, only external. But with the hobs I have, I will be able to make a cutter fairly easily, and that will then allow me to broach the internal gears to the correct profile using a hand cranked keyway slotter. John |
| John Hill:
Oh right! Sorry I must have been a little switched off! I think if you want to cut model size internal gears you should call around here and use Sally Shaper. :coffee: |
| John Stevenson:
John, Not sure what you mill looks like on the back end but many have a slotter position. Some years ago a friend of mine, now dead, wanted to do similar but for keyways, I scrounged him a big angle plate, slide off a machine and a motor and gearbox and he built a slotter to suit. Sorry about the state of the pictures but they were done with an early camera phone and I never got any decent ones but I thing you get the idea. One of these and a RT and you have a gear planer. John S. |
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