union pr 150 union pr 160 union pr 200 union pr 250
union pr 150 union pr 160 union pr 200 union pr 250
union pr 150 union pr 160 union pr 200 union pr 250
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Guidance system<br />
design as machine with fully hydrostatic<br />
guidance system in axes X, Y and Z<br />
Machine bed<br />
• wide, heavily ribbed bed in solid casting<br />
4<br />
with two large guide ways<br />
• drive of X axis by two water cooled<br />
AC-motors (Master-slave) and backlash-<br />
free rack<br />
Technical features<br />
PR <strong>200</strong>, PR <strong>250</strong><br />
Hydrostatic guided RAM<br />
• completely closed hydrostatic guiding<br />
system for guidance and movement<br />
of RAM<br />
• (3) different ways of drop-compensation<br />
for RAM<br />
• spindle bearing by <strong>pr</strong>eloaded high<br />
<strong>pr</strong>ecision spindle bearings<br />
• thermal monitoring of the spindle<br />
bearings<br />
Machine column<br />
• solid cast iron with reinforced outer<br />
walls<br />
• two large guide ways<br />
• Y axis drive by two widely spaced ball<br />
screws driven by two water cooled<br />
AC-motors
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