Sandvik Coromant Parting and grooving - users guide - Manual (Page 51)

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Small part machining – sliding head machines
The machines and the demand
put on the tooling
Small part machining and sliding head
machines focus on components smaller than
32 mm in diameter, also known as Swiss
machines. In these machines the material
slides through the guide bush and is rotated
by a second spindle that also pushes the
material through the guide bush. The mate-
rial is then acting as the z-axis in the machine
and the tools stay close to the guide bush for
maximum stability.
These machines enable small diameter com-
ponents in large batches to be manufactured
in the most productive way.
Sliding head lathe.
Sliding head machines demand special fea-
tures from cutting tools such as:
Precision made holders and inserts. •
The parting-off tool must be stable enough •
so that it can be used as a stop for the bar
material.
Toolholders without offset when the
•
machines are designed with gang tool rack.
The turning applications in sliding head
machines are parting, grooving, turning,
back-turning and threading.
Oil is used as coolant and has different
effects on the metal cutting action compared
to standard lathe cutting fluid, such as differ-
ent chip flow, varied chip breaking and tool
life.
Sliding head machine with
gang tool rack, equipped
with QS™ -holding system.
Guide bush