The common perception that the stiffness of a machine/tool post is the reason for tool chatter is debunked very early in this video. I science the $%$" out of tool chatter and look at some of the conventional and nonconventional ways to get rid of tool chatter, as well as deal with the elephant in the room.... high frequency chatter when using a small boring tool and/or finishing cuts.
Check out:
https://www.adendorff.co.za/engineeri...
https://www.adendorff.co.za/engineeri...
for the quick change and chuck used in this video.