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汽车浮动式刹车碟
浮动式刹车碟它是一块多片式刹车碟,它的制动毂(HUB)与制动碟并非与单片式刹车碟一样刚性固定在一起,而是通过一些螺丝连接在一起,它的好处让制动系统更加轻量化,因为制动毂与刹车碟可以使用两种不同的材料制作。除了轻量化之外,由于多片式刹车碟用螺丝来连接,所以会为刹车碟留下一个热膨胀的空间。这样就可以让刹车碟在高温制动时不会出现较大的变形,也就是说提升了刹车碟的耐高温性。另外,由于制动毂(HUB)与刹车碟为分离,所以可以方便不同的中央法兰圈(Hub)与不同尺寸的刹车碟自由搭配,装配在不同的车型之上。