This lathes range
has an automatic speed gear range,
30 Kw spindle motor and a swarfs
conveyor to guarantee high automation
levels.
Headstock:
The head, melted in special stabilized
Meehanite cast-iron, is steadily
fixed on the bed and it is free
from vibrations. All gears are made
of Cr.Ni.Mo. steel, hardened and
ground; the ones that transmit the
motion to the spindle have helical
involute profile. The spindle, provided
with hole Ø 160 mm, is supported
in three points and is mounted on
precision TIMKEN ball bearings.
The machine is with automatic speed
gear range by means of an hydraulic
piston and relative unit, an heat
exchanger assures constant temperature
inside the head.
Carriage: The carriage
slides on the bed guided in the
front part by a prismatic guide
and in the back part by a flat guide.
With a solid structure it is able
to stand to a strong cutting moment
assuring a constant precision at
the same time. The transversal slide
has a support section very wide
that gives it sturdiness. The ways
of the cross slide are ground and
adjusted by means of conic gibs:
the ways between the movable parts
are covered by TURCITE to allow
motion regularity also at lowest
feeds and are manually scrape-finished
so to guarantee an accurate assembly.
The movements are driven by high
precision recirculating ball screws.
Bed: The bed, melted
in special Meehanite cast-iron and
covered on all the length, is carried
out with a double-walled structure,
to assure the highest stiffness,
in the worst duty conditions too.
The natural gap under the head increases
the machining potentialities allowing
to work very large flanges usually
workable on lathes much more bulky.
