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28th Mar 2024, 11:47 AM #1Senior Member
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- Sep 2008
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- Narrabeen, Sydney NSW Australia
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- 104
Making a Wormgear with a Screw Tap (Free Hobbing) A Design & Manufacturing Guide
I was pondering a few things and contemplating worm gears for minute rotational adjustments, not for power transmission - that's quit a rabbit hole and they are predictably expensive
Anyway I came across this video for cutting a worm gear of sorts which employs thread cutting taps - just perfect for what I had in mind - really good video also with heaps of information
https://www.youtube.com/watch?v=DhQMwFRbpXE
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28th Mar 2024, 04:45 PM #2Gear expert in training
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- Aug 2008
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- Melbourne
- Age
- 34
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- 1,075
The gear cutter in me hates this so much, but it falls squarely in the "good enough for the hobbyist" camp so I guess I can't be too mad about it.
Gear cutting specialists and general engineers www.hardmanbros.com.au
Fine pitch gear cutting from 0.1 Module www.rigear.com.au
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28th Mar 2024, 06:29 PM #3Senior Member
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- Sep 2008
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- Narrabeen, Sydney NSW Australia
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FWIW I don't think it's ever going to put you out of business
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28th Mar 2024, 06:55 PM #4
Hi Guys,
This was the technique that I used when I cut the adjuster for the angle setting on my version of the Brooks TCG. Pictures in that thread.Best Regards:
Baron J.
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28th Mar 2024, 09:14 PM #5Senior Member
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- Sep 2008
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- Narrabeen, Sydney NSW Australia
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Hi Baron - I had started to read that Brooks TCG thread a few days ago whilst researching something else, it's a long one bookmarked now for future reading
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28th Mar 2024, 10:22 PM #6
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29th Mar 2024, 05:17 PM #7Senior Member
- Join Date
- Sep 2008
- Location
- Narrabeen, Sydney NSW Australia
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Hey Elan, something on cutting a worm gear from the other end of the spectrum for you which should warm the cockles of your heart
Machining a Dividing Head's Worm Wheel Replacement
https://www.youtube.com/watch?v=YkM72vveozg
Makes me appreciate just how accurate a high grade dividing head ought to be
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