Grounding needed with new controller?

CNC Machines Shapeoko
1

Just assembled a 4XL and before I stuff it into an enclosure …

I wound up grounding every metal piece on my 3. The 4XL has lots of metal connecting the 2 Y rails, but some of it is anodized (poor electrical connection) The 4XL says it has a new controller that is more EMI resistant.

So, have people experienced disconnects with the new controller?

Should I just ground everything?

I really like the 4XL, seems very rugged.

Thanks
Sheldon

2

One datapoint: I have yet to experience a disconnect on my Pro (which has the same controller as the 4)

3

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