Sandvik Coromant Silent tools - users guide - Manual (Page 2)

2
'
ap
dm
m
D
th
f
n
N
r
k
c0.4
m
c
a
p
=
=
=
=
=
=
=
=
Symbols used in this guide
Introduction
This guide will help you to use dampened boring bars
(Silent Tools) to achieve the best possible results in
internal turning.
Silent Tools dampened boring bars and adaptors make
it possible to maintain good productivity and close
tolerances in long tool overhangs.
With Silent Tools it is
possible to successfully
perform turning opera-
tions in overhangs beyond
4 x bar diameter (dm
m
).
radial infeed
mounting diameter
major diameter of external thread
feed per revolution
entering angle
specific cutting force (chip thickness 0.4)
correction factor for actual chip thickness
depth of cut
mm
mm
mm
mm/r
degree
N/mm 2
mm