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Xondo 010, Xondo 100, Xondo 300,
Xondo 500 (semi automatic)

Balancing Machines for Turbocharger Compressor Wheels

  • Semi automatic balancing of turbocharger compressor wheels
  • Patented air bearing support for extreme measurement accuracy
  • Digital measured data processing and numerically controlled unbalance correction
  • Easy change over to other rotor types
  • Short cycle times
  • Most compact design
  • Easy movable
  • Titanium machining (option)

Sequence of operations

  • The work-piece is loaded into the measuring station.
  • Automatic measuring run, brake to zero rpm
  • Remove the rotor from the measuring station and load it into the correction station
  • Clamp, index to the correction position for the 1st plane, advance the milling cutter to the milling position and control the milling cut. If the unbalance is large the cutter is additionally turned to increase the amount of material removed
  • Index and move the milling device to the correction position for 2nd plane, repeat the milling process and unclamp
  • Transfer the rotor to the measuring station and start the check run.
Design

Range of application

Measurement and correction of dynamic unbalance of machined turbocharger compressor wheels, use of the machine in mid- to large-volume production. Semi automatic unbalance measurement and correction through polar milling in two planes and with up to two correction steps.

Design

Two-station machine with measuring and correction station and semi automatic operating cycle. Vertical balancing unit on a vibration-optimized machine frame, type-dependent, exchangeable precision air-bearing support for the compressor wheel, driven by a special drive plate with air jets adapted to the rotor diameter.
Measured data processing by measuring unit CAB 950.
Correction station with NC-controlled milling unit for unbalance correction by polar milling at the nose and back face of the compressor rotor.
Technical data
Data at a glance    Xondo 010  Xondo 100  Xondo 300  Xondo 500 
Measuring unit    CAB 950  CAB 950  CAB 950  CAB 950 
Automatic unbalance measurement    •  •  •   • 
Automatic unbalance correction 4)    •  •  •   • 
Gantry loader           
Turbine rotor           
Compressor rotor    •  •  •   • 
Rotor           
Weight  [g]  3 - 50  10 - 150  60 - 400   100 - 1500 
Diameter  [mm]  25 - 65  30 - 95  65 - 125   120 - 180 
Machine           
Measurement uncertainty 2)  [gmm]  0,002 - 0,02  0,003 - 0,03  0,015 - 0,1   0,05 - 0,4 
Cycle time  [s]  45 - 60  45 - 60  45 - 70  45 - 80 
Air pressure  [kPa]  450 - 600  450 - 600  450 - 600  450 - 600 
Air consumption  [m3/h] 
           
Options           
Hydrostatic bearings for boreless compressor wheels           
           
1) Adapted to the rotor           
2) Acc. to DIN 1319, 95% probability, work-piece dependent           
3) Data non-binding, dependent on the respective equipment           
4) Polar milling of the hub and rear side           
o.r. on request           

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