Brake disc

Details Brake disc Brake disc

F - Mech Eng,Light,Heat,Weapons

16

D

F16D 65/12 (2006.01)

Patent

CA 2701328

The invention relates to a brake disc (100) having a face-end friction ring portion (10) on which a brake disc cam (17) provided with a cam bore (20) is moulded. In order to further develop the brake disc (100) in such a manner that adequate safeties with respect to the permissible material values on brake discs (100) for high-energy application cases are provided and material stresses in the region of the brake disc cam (17) of the brake disc (100), which are caused through temperature differentials within the brake disc (100) as a consequence of high braking energy inputs, are reduced, the invention proposes that the brake disc cam (17) comprises two arm parts (18, 19) which extend spaced from each other from the face-end friction ring portion (10) in the direction of the cam bore (20) and converge in front of the cam bore (20).

L'invention concerne un disque de frein (100), comprenant une bague de friction plane (10) sur laquelle est formé un ergot de disque de frein (17) pourvu d'un perçage d'ergot (20). L'invention vise à perfectionner le disque de frein (100) de manière à obtenir une sécurité suffisante relativement aux valeurs de matériau admissibles pour des disques de frein (100) destinés à des applications hautement énergétiques, et à réduire les tensions du matériau qui sont produites dans la région de l'ergot de disque de frein (17) du disque de frein (100) par des différences de température à l'intérieur du disque de frein (100) suite à des apports élevés d'énergie de freinage. A cet effet, l'ergot de disque de frein (17) présente deux parties de bras (18, 19), qui s'étendent à distance entre elles depuis la bague de friction plane (10) en direction du perçage d'ergot (20) et qui se rejoignent avant le perçage d'ergot (20).

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