In article ,
"BillR" wrote:

The answer is the faster it goes and the harder you grip

or push

it the hotter it gets (but you knew that already).

It's much more difficult to judge excessive heat buildup when machine or
rotary sanding. The heat will shorten the life of Velcro pads and if one
is not using the finger-backing method. The hooks melt away and then the
paper won't stay stuck.

--
Owen Lowe

Northwest Woodturners
Pacific Northwest Woodturning Guild
___
Tips fer Turnin': Place a sign, easily seen as you switch on your lathe, warning you to remove any and all rings from your fingers. Called degloving, extended hardware can grab your ring and rip it off your finger. A pic for the strong of stomach: www.itim.nsw.gov.au/go/objectid/2A3AC703-1321-1C29-70B067DC88E16BFC/index.cfm

Besides, rings can easily mar the surface of a turning as you check for finished smoothness.