It looks like the slip nut is cross threaded, if it is, it will not hold the plumbing tight, can also cause leak at slip joint.
Vibration/noise
Thin lightweight SS sink
Improper mounting
loose mounting bolts, misaligned mounting flange, loose lock nut (ring)
Internal problems
Worn bearings, missing, loose or frozen grinder hammers, rust.

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Rick Cantrell
Columbus GA