Токарные станки KOVOSVIT серии SPH / ROLLER - страница 5

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Навигация

COUNTER-SPINDLE—REST—
The SPH 50 DS machine is equipped with an auxiliary counter-The slide is moved by a self-centring rest on the lower guiding
spindle for increasing the transfer of the torque moment to theof the bed. The slide for the rest is driven by digital servo motor
work piece. The counter-spindle represents a synchronous built-inwith front differential planetary gear which turns through fl exible
motor located on the lower leading areas of the bed. The counter-coupling with a pre-stressed ball screw. The measurement of axes
spindle moves by means of the ball screw by a digital servo motoris integrated into the digital servo motor. The rest is hydraulically
with integrated position measurement. It is fi xed on the guidingcontrolled and moved into the working position.
by springs and is released by the pressure of the hydraulic system.For the SPH 50DS machine on the lower guide there is a pair
The counter-spindle includes axis “C”.of selfcentric rests. The clamping of the rests is controlled
hydraulically. The hydraulic movement into the working position
UPPER RIGHT AND LEFT SADDLE—and fi xation on the machine bed is mechanically designed.
Two independently controlled sliders with cross saddles are
moved on the upper guiding of the bed.TAILSTOCK—
The slide movement is implemented by digital servo drives whichThe body of the tailstock moves on the lower guiding areas
rotate pre-stressed ball screwthrough fl exible junctions. For theof the bed. The tailstock moves using the ball crew and the
longitudinal slide movement, servo drives are located on the sidesasynchronous electric motor. It is fi xed to the guiding by means
of the bed; for cross movement of saddles, they are located onof springs and released by the hydraulic system pressure. The
slides. The measurement of the axes is integrated into the digitalrelease of the tailstock sleeve with a rotary mounted centre is
servo motor. For the SPH 50 D and the SPH 50 DS machinesalso ensured electrically. The control circuit applies two different
direct measurement by linear guide is used for cross axes topressures and changes pressure forces in an automatic cycle. The
ensure the high precision of machining. For the movement ofSPH 50DS machine does not have a tailstock.
saddless, on the request of the client, drives from producers such
as SIEMENS, FANUC and others can be used.COVERING—
The machine is deliberately covered by internal telescopic covers,
UPPER TOOL TURRET, LEFT OR RIGHT—as well as external covers. Access to the workspace is through
These are located in the right and left upper saddle. The heads canthe pneumatically driven front sliding covers. Monitoring of the
rotate in both directions. For the SPH 50 machine, the blades areworkspace is carried out through windows with safety glass.
clamped directly into the head for the right and left turning spindles,
from the left and right side of the tool plate. For the SPH 50 D andCONTROL SYSTEM—
the SPH 50 DS machines, 12-position turrets are adapted or radialThe modern SINUMERIK 840 D control system is used to control
clamping holders with a cylindrical centre with the diameter of 50the system. The control panel for the control system is located on
mm according to DIN 69880. These turrets are equipped with thethe console which slides in the longitudinal axis of the machine.

drive for the rotary parts of tools with the coupling DIN 5480.