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Gears, gears and more gears

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fatal-exception:
Wow, totally cool. Now that I have a 4th axis, I would love to try cutting some gears, something that I wouldn't have thought about 6 months ago. Just can't justify the price just to try...

Care to post a helical gear, 4th axis code file for me to try? All I can offer is a few pics of the results...

John Stevenson:
Yup give us a clue on what you can handle. size of cutters available, speeds feeds etc.

fatal-exception:
Hi John, how about the same code used to cut the helical gear in the video posted? I can handle something that size and at the same speed.

Thanks!  :thumbup:

Paul

AdeV:

--- Quote from: fatal-exception on October 08, 2010, 06:26:23 PM ---
Just can't justify the price just to try...


--- End quote ---

Would I be right in thinking you're worried about trashing such a large piece of metal and/or cutters? If so, why not try some machinable wax first? You can cast up as big a lump as you care to try, and if you make a bad cut or you break the wax - well, you can just melt it down & start again. The wax will break long before the tool, so crashes aren't a problem (well, so long as the crash isn't so bad it hits the dividing head and/or table...)

Best thing is, even if you buy it (rather than roll your own), it's cheaper than metal and re-usable.

fatal-exception:
Actually, I was talking about the price to try the gear creation software, not the material or tools.

I've heard of that machinable wax before, but never tired it. My 'machinable wax' is leftover scraps of HDPE plastic, of which I have much more than I'll ever use. I wish there was a way to melt the huge amount of chips created back into solid bar....

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