drag super-finishing machine / sphere / for PVC / for aluminum

Machine for working brass
spheres with a diameter of up
to 21/2. (external max
103mm).
- High speed spindle supported
on super-precision bearings
and by a compound
steel sleeve which is case
hardened-tempered and
ground. Drive by a spindle
motor managed by a vectorial
inverter.
- Spherical lathe group capable
of rotating and vertical
translation. The rotation is
commanded by a hydraulic
actuator managed by a servo-
valve in the CNC version;
translation is through
a servo-assisted electric
motor.
- A facing carriage to execute
the radius. Its translation
can be provided either via a
hydraulic actuator or via a
servo-assisted electric motor.
- A expanding mandrel control
group, complete with
magnetic limit switches for
pincer opening control with
a safety device in case the
drow-bar breaks.
- Sphere centring group
- Electrical board with PLC
- Hydraulic unit
- Automatic loading/unloading
system