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Tests And Certifications
Painting Test
A Lap At Nurburgring
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OZ maintains a stringent policy of Total Quality
The pursuit of producing wheels of the highest quality, and providing unsurpassed customer satisfaction, remains at the centre of the OZ manufacturing philosophy
.
OZ's Quality Control tests:
•
Chemical analysis
on raw materials and castings
•
Ultrasonic Inspection
to reveal defects and impurities
•
Air Tightness
to identify any air leaks caused by porosity (wheel submerged in a tub of water, air enjected under 5-7 atm)
•
Dye Penetrant Inspection
to identify any superficial cracks or microfaults (chromatic contrast under UV light)
•
Fatigue test
wheel subjected to the same mechanical stress of a car driving along a bend
•
LBF Biaxial Wheel Testing Machine
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Rolling test
simulates the behaviour and reactions of the wheel along a straight stretch(maximum load, 100 km/h)
•
Impact test
(crash test) simulation of stresses that the wheel might suffer on the road
•
Dimensional check
to assess the dimensions, circularity and concentricity of the wheel (tolerances of a few tenths of mm)
•
X-ray control
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