BRAKE DISK, CAPABLE OF UNIFORMLY APPLYING STRESS BY JOINING A FRICTION PART AND A HAT PART THROUGH A JOINT PART WITHOUT CAUSING STRESS CONCENTRATION

摘要

PURPOSE: A brake disk is provided to prevent the stress concentration of a joint part when braking by joining different kinds of brake disk elements through a nut.;CONSTITUTION: The brake disk comprises a friction part(100), a hat part(300), and a fastening part(500). The friction part comprises a joint hole in the center, a ring-shaped joint flange, and a first screw line(142) on the outer circumference of the joint flange. The hat part is joined to the friction part and comprises a joint part(340) in touch with the joint flange and a first screw line connected to the first screw line. The fastening part is shaped into a ring to be joined to the outer circumference of the joint flange ad joint part by surrounding. The fastening part is equipped with a third screw line(542) for fastening the joint flange, and the first and second screw lines of the joint part.;COPYRIGHT KIPO 2013