Балансировочные машины SCHENCK серии HM 20, HM 3, HM 30 - страница 2

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Sequence of operation• Acceleration, determination and• Verification of residual unba lance
display of unbalance on the(the measuring unit indicates
• Manual loading of the rotor onmeasuring instrument, decelera-whether the required tolerance
the bearing pedestals, closing oftion. The measured unbalancehas been reached), and unloa-
counter bearings, coup ling of thevalues are retained after theding of the rotor from the machi-
drive system (belt or universal-measuring run is completed.ne.

joint shaft). Opening of the protection device,

  • Closing of protection device. manual unbalance correction (if Start of automatic measuring necessary). sequence:

Special features anti-friction bearings available as option.

  • High ease of operation: Hard-
  • Indexing angle display in case of

bearing design eliminates the belt drive. need for calibration runs. Automatic measuring cycle with

  • Machine provides for unbalance selectable, infinitely variable correction in two planes or sepa- acceleration, measuring and rate correction of static and deceleration times. couple unbalance. Upgradable with many supple-
  • Rotors can be mounted on their mentary modules, e.g. for mass original shaft or on a balancing correction. arbor. Balancing with mounted

HM bearing pedestals: Slim, robust bearing Drive system pedestals ensure high overall stiffness, high linearity and extremely low damping. Use of the Schenck hard-bearing principle, with the middle section of the bearing pedestal designed as sturdy dynamometer. Sensors are arranged outside the force path and are therefore insensitive to impacts.

Underslung belt drive (BU)Overslung belt drive (BK)Universal-joint drive (U)
Selection of a drive system is deter-le. Underslung belt drives (BU) pro-rotor throughput, universal-joint
mined by the shape or your rotors.vide for smooth operation and aredrives (U) in cases where a high
Combinations of different driveuniversally applicable. Over slungdrive power is required.

systems on one machine are possib- belt drives (BK) are used for high