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Balance and Vibration Engineering

HM 20 - HM 30

Horizontal Balancing Machines

  • Universally applicable
  • High balancing accuracy
  • Easy upgrading through modular structure and a wide range of accessories
  • Hard-bearing principle ensures fast change-over
  • CAB 700 or CAB 920 measuring instrument, with extensive operator prompting
  • Extensive safety equipment for all protection classes

Range of application

Universal balancing machines series HM enable precise balancing of a wide spectrum of rotors. They are suitable for cylindrical rotors having their own shaft journals and for balancing disc shaped rotors on balancing arbors.

Permanent calibration, ergonomic design and a logical operating sequence facilitate operation.

A modular design principle and a wide range of accessories make the machine highly flexible.

Schenck universal balancing machines series HM are a highly efficient investment, both for one-off rotors and for small batches.

Sequence of operations

  • Manually load work-piece on the bearing pedestals, close hold-down bearings and connect drive (belt drive or drive shaft).
  • Close protection device and start automatic measuring sequence:
  • Acceleration, determination and display of the unbalance on the measuring instrument, brake. The readout is retained on the measuring instrument even after the measuring run has ended.
  • Open protection device, manually correct unbalance (if required).
  • Check correction result (with measuring instrument displaying whether the tolerance has been achieved) and unload the rotor from the machine.

Special features

  • Easy to operate – hard-bearing principle eliminates the need for calibration runs
  • Provides for correction in two planes or separate according to static and couple unbalance
  • Rotors can be mounted on their original shafts or on mounting arbors, optionally with mounted anti-friction bearings
  • Angle indexing display in case of belt drive
  • Automatic measuring cycle with infinitely variable settings for acceleration, measuring and braking time
  • Upgradeable by many additional modules e.g. for mass correction
Further information
Arrangement plan
1 Balancing machine2 Controls and measuring device Plan view (non-binding example)
Contact

Don Bailey

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