Optimum Optiturn TU 2506 Operating Manual page 130

OPTIMUM
M A S C H I N E N - G E R M A N Y
Img.3-37: Negative apex
angle for rough-
ing
The ready-ground major cutting edge must be slightly ground with a grindstone for the plan-
ing.
For the roughing, a small chamfer must be produced with the grindstone in order to stabilize
the cutting edge against striking chips (b
b
f
10°
Img.3-38: Stabilize cutting
edge
Polished section for recessing and cutting off
(for chip angle refer to table)
 
Img.3-39: Polished section recessing and cutting off
GB TU2506 | TU2506V | TU2807 | TU2807V
Page 130
j
= f x 0.8).
f


Original operating instructions
2°
2°
Version 1.0.1 2014-05-16