Roulage Mazaud\\\\\\\'s Method-Touch

CSTB Cahier 3778 (2017), - Annex 10
The instrument is compose by: •  Support plate of sample perpendicular to the load support axis that rotates in a     orizontal plane to a 93 ± 2 RPM speed throught a electrical engine •  Vertical axis perpendicular to the support  plate where it’s fixed the     wheel. The wheel supported a load applied of 590 N ÷ 10N •   a wheel  holder group that allows the wheel to rotate and oscillate freely with      integrated air copressed cooling system PATENT n°0000283275 •   Fast replacement of the tile test with automatic lifting of the weight •   A manual regolation of the suction flow with complete system for air speed measuring      made of pitot tube and micromanometer. •   Suction system with absolute filter •   Compressed air circuit for cooling of the wheel abrasion with adjustable pressure       and flow •   Shafety sensor wheel •   A counter permit to stop, after 22320 revolutions (about 4 hours or 14.000 mt) •   The controls are accessed by means of a user-friendly touch screen panel  A wheel of austentic steel, type: 18-10, x5 CrNi 18-10 or AISI 304 with following   charateristics:  -   Diameter: 50 mm (0 ; ÷ 1 mm)  -   Width: 25 mm (0 ; ÷ 1 mm)  -   Rugosity: 0,4 ≤ Ra ≤ 0,8  -   Planarity: N ± 50 micron 
Technical Specifications




 Sistema di aspirazione

 Mini pirometro ottico per il controllo della temperatura della ruota

 Sistema di raffreddamento ruota

 5 ruote con 2 cuscinetti e 1 distanziale

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