Thread: 4 axis harmonic rotary setup
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15-08-2022 #1
Hi guys and girls. I currently have a 4 axis setup with a worm gear type gearbox. Accuracy isn't really great so I'm looking to upgrade to a more direct drive/harminic drive type, prefreably without breaking the bank.
I have been looking at something like this: https://www.aliexpress.com/item/1005...d=GqxhjiPyKy78
I allready have a Nema 34 closed loop stepper I can use and a 100mm chuck. What I'm struggeling with is understanding the ratios. I see 1:10, 1:50, 1:100 reducing ratios, what are the pros and cons of the different ratios? i'll be using my 4 axis for wood, plastics and phenolic so I don't need an enormous amount of torque.
If some of you have experience with the actual unit in the link or something similar, that would be great. If you have link to a better unit, prefreable in Europe and at a reasonable price, that's even better.
Thnaks.
Kim
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