Sandvik Coromant Parting and grooving - users guide - Manual (Page 26)

24
Parting into a drilled hole.
±0.1 mm
For correct cutting process, be sure that the
cutting edge height is maintained at a toler-
ance of ±0.1 mm of work piece centre.
When parting into a drilled hole and insert •
enters the cone of the hole, the unbalanced
cut may force the blade to deflect. This
will create increased forces on one corner
of the insert which may result in insert
chipping and inconsistent tool life.
When parting into a drilled hole, always
•
ensure that the drilled depth allows for the
component length and the width of the
parting insert, see picture.
To reduce burrs on the inside, use
•
CoroCut XS dedicated for preparting and
chamfering inserts. Also other tools can be
used for making an internal groove.
To avoid burrs on inside.
Practical hints