There are two Aggression Control sliders:
Tool Life ↔︎ Productivity
Constantly displayed while the Cutting Parameters Explorer is open.
Rubbing ↔︎ Chipping
Display only when activated by the Aggression Control Switch- displayed when
is clicked (see below).
Clicking 
removes the 'Rubbing ↔︎ Chipping’ slider.
Using the Sliders
Aggression Control sliders are so named because they indicate the level of ‘aggressive control’ you assign over a tool in the machining operation:
The blue circle 
can be moved to any position along the slider:
More aggressive - the more the selected position is to the right, the more aggressive the approach.
Increased productivity tends to a decreased tool life.
Increased risk of chipping tends to a decreased risk of rubbing.
Less aggressive - the more the selected position is to the left, the less aggressive the approach.
Increased tool life tends to decreased productivity.
Increased risk of rubbing tens to a decreased risk of chipping.
Moving the selected position along either slider dynamically affects the following:
Fine Tune parameters