Manual

76
4. Boring
CoroBore® 825/826 – nish boring tools
Dampened CoroBore 825 and CoroBore 826 are designed for
nishing operations with excellent surface nish and close
tolerances even in long overhangs, with possibilities to double
the depth of cut and still obtain the same excellent surface nish.
Boring range 23-315 mm (.906-12.402 inch)
Boring depth 6 x BD
Hole tolerance IT6
Cutting uid Internal
Diameter adjustment: 0.002 mm (0.000079 inch)
Insert types 92°(-2) CoroTurn 107°, 92°(-2) CoroTurn 111°
Radial adjustment of ne boring head:
Diameter adjustment of 2 microns
Two different diameter setting mechanisms
825 - Nonie scale (dia 23–315 mm, 0.90–12.4 inch)
826 - A click for each diameter increment (dia 150–315 mm,
5.90– 12.4 inch)