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£ £ An Introduction to Automobile
Brake Rotor
ĦĦĦĦThis product is a main apparatus of the
automobile brake system. It is made of high-tense cast iron and
is of good anti-wearing quality. The perfect structure properties
help it to be the best choice for automobile brake system. Its technical
parameters are as follows:
ĦĦĦĦĦĦ1. Jump difference between two surfaces-less than 0.0127mm;
ĦĦĦĦĦĦ2. Roughness of the surface-less than 0.002mm;
ĦĦĦĦĦĦ3. Deviation of the parallel grade of two surfaces-less than
0.0127mm;
ĦĦĦĦĦĦ4. No such defects as bubble, sand hole or rupture;
ĦĦĦĦĦĦ5. Fully consistent with the size requirement as set out in the
drawing;
ĦĦĦĦĦĦ6. Material standard-GB9439-88 HT250;
ĦĦĦĦĦĦ7. Material intensity-245N/mm2, material rigidity-187-230HB.
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