Brake disc for a disc braking system

摘要

PCT No. PCT/EP98/06581 Sec. 371 Date Jun. 6, 2000 Sec. 102(e) Date Jun. 6, 2000 PCT Filed Oct. 16, 1998 PCT Pub. No. WO99/23394 PCT Pub. Date May 14, 1999A brake disk has a thickness D1 and includes two friction plates disposed parallel to each other, between which an airflow duct having a width D2 is located in a substantially central position. The brake disk is made of a gray cast iron material containing molybdenum. The ratio of the disk thickness D1 to the airflow duct width D2 is 3.0