Xondo 010, Xondo 100, Xondo 300, <br/>Xondo 500 (fully automatic)

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Fully automatic balancing of turbocharger compressor wheels
Patented air bearing support for extreme measurement accuracy
Digital measured data processing and numerically controlled unbalance correction
Interfacing with loading gantry and commercially available conveying equipment
Easy change over to other rotor types
Short cycle times
Most compact design
Easy movable as a single block
Titanium machining (option)

Sequence of operations

The work-piece is taken from the transfer conveyor and loaded into the machine
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
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 compressor wheels, use of the machine in mid- to large-volume production. Fully automatic unbalance measurement and correction through polar milling in two planes and with up to two correction steps. Loading and unloading by gantry loader.

Design

Two-station machine with measuring and correction station and fully 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.
Gantry loading system for linking the stations and connection to an in-feed and out-feed conveyor.

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]	25 - 40	25 - 40	30 - 55	35 - 60
Air pressure	[kPa]	450 - 600	450 - 600	450 - 600	450 - 600
Air consumption	[m3/h]	8	8	8	8

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