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Xondo 020, Xondo 050, Xondo 200,
Xondo 400 (fully automatic)

Balancing Machines for Turbocharger Turbine Wheel Shaft Assemblies

General view.
  • Fully automatic balancing of turbine wheel shaft assemblies
  • Digital measured data processing and numerically controlled unbalance correction
  • Gantry loader and commercially available conveyor system
  • Easy change over to other rotor types
  • Short cycle times
  • Most compact layout
  • Easy movable as a single block

Sequence of operations

  • The work-piece is taken from the transfer equipment and loaded into the measuring station.
  • Automatic measuring run. Calculate and transfer measured values to the correction station, brake to zero rpm
  • Remove the rotor from the measuring station and load into the correction station.
  • Automatic correction: clamp, index to the correction position of the 1st plane, controlled grinding of a sector. Index to the corretion position of the 2nd plane, repeat the grinding process and unclamp.
  • Transfer the rotor to the measuring station and start the check run. If the rotor is not in tolerance after the 1st correction step further correction steps can be carried out.
  • Remove the work-piece and unload it to the out feed conveyor
Design

Range of application

Measurement and correction of dynamic unbalance of machined turbocharger turbine wheels. Use of the machine in mid- and large-volume production.
Fully automatic unbalance measurement and correction by grinding in two planes and with multiple correction steps. Loading and unloading by gantry loader.

Design

Multi-station machine with measuring and correction station and fully automatic operating sequence. Vertical balancing unit on vibration-optimized machine frame, type-dependent, exchangeable precision air bearing support for the turbine rotor, driven by special drive plate with air jets adapted to the rotor diameter.
Measured data processing by measuring unit CAB 950.
Correction station with two digitally controlled processing units for unbalance correction by polar grinding on the hub and the rear side of the rotor. Gantry loader system for linking the stations and connection of in-feed and out-feed conveyors.
Technical data
Technical data at a glance    Xondo 020  Xondo 050  Xondo 200  Xondo 400 
Measuring unit    CAB 950  CAB 950  CAB 950  CAB 950 
Automatic unbalance measurement    •   •   •   • 
Automatic unbalance correction 5)    •   •   •   • 
Turbine rotor    •  •  •   • 
Compressor rotor           
Rotor           
Weight  [g]  10 - 120  50 - 200  100 - 600   400 - 1600 
Diameter  [mm]  30 - 65  30 - 65  45 - 95   65 - 125 
Machine           
Measurement uncertainty 2)  [gmm]  0.002 - 0.02  0.005 - 0.03  0.01 - 0.1   0.05 - 0.3 
Cycle time 3)  [s]  35 - 45  35 - 45  40 - 50   40 - 60 
Air pressure  [kPa]  450 - 600  450 - 600  450 - 600  450 - 600 
Air consumption  [m3/h] 
Power consumption  [kVA] 
           
1) Adapted to the rotor           
2) Acc. To DIN 1319, 95% probability, work-piece dependent           
3) Dependent on initial unbalance and quality of the rotor           
4) Data non-binding, dependent on the respective equipment           
5) Polar grinding on the hub and rear side           
o.r .on request           

Highlights

Flow Bench for testing and calibrating turbochargers with variable turbine geometry rounds off product portfolio on the turbocharger aftermarket

News

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