Thread: will this 4th axis work
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17-08-2017 #1
Double Post, Sorry guys, gremlins on the interface!
Last edited by magicniner; 17-08-2017 at 06:44 PM.
You think that's too expensive? You're not a Model Engineer are you? :D
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17-08-2017 #2
What is a harmonic drive? Do they mean epicyclic?
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17-08-2017 #3Visit Us: www.automationshop.co.uk
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17-08-2017 #4
Er, no they don't and no it certainly is NOT!
https://en.wikipedia.org/wiki/Harmonic_drive
https://en.wikipedia.org/wiki/Epicyclic_gearing
Both have teeth, that's about it for similarity.Last edited by magicniner; 17-08-2017 at 06:42 PM.
You think that's too expensive? You're not a Model Engineer are you? :D
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17-08-2017 #5Visit Us: www.automationshop.co.uk
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17-08-2017 #6
Harmonic drives are the perfect solution for high gear ratios, high torque, lightweight, and the most important, they have no backlash. Widely used in multi-axis cnc, articulated robots, etc.
There are a lot of them on ebay, SH from Korea, the only ones at an affordable price...
I was surprised that the Chinese claim to have 4th axis with harmonic drive... possibly used ones fitted inside..
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21-06-2018 #7
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21-06-2018 #8
hi chaz. any idea where you have seen them cheaper. the only place I have seen is china and then you get vat and import on them so doesn't work out
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