Friday, 19 June 2020

Bracket for 4th axis servo motor

Piece of 6mm loominum 



Slightly noisy when I chamfered the external profile, as only held in place by 4 light tabs.




Cut it out with some nibblers, then belt sander to clean off the remnants of the tabs.


Finally, a couple of spacers - 25mm length, M8 clear, 19mm OD. 


Goes together nicely, just like the CAD model.


I couldn't quite get the pulley centres far enough apart within the confines of the box. I went for 200mm width and decided where to position the harmonic drive quite early on. But not to worry, I plan to use a couple of ball bearings as a jockey to shorten the belt. 

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