山地车碟刹在刹车时会发出很尖锐刺耳的响声,这是怎么回事,该怎样处理才能解决问题呢?
推荐回答(3个)
这样的问题有很多种1、刹车片不正,引起单边刹车不灵,只要调整一下正了就行。2、刹车片和刹车盘角度不一样,应该选用角度一样的刹车片。3、刹车片太垃圾了,与刹车盘接触不良。
山地车碟刹异响的解决办法:
1、碟刹变形
类似夏天长距离下坡时,长时间刹车高温过热导致碟刹变形。症状表现为盘片转动时,与来令片摩擦并发出响声。
解决方法:用盘片扳手轻度校准盘片, 若扳手与盘片之间的某处有碰擦。 则为盘片变形严重,需要及时更换盘片。
2、夹器没有调试到最佳状态
目前山地车碟刹座主流固定方式是A柱直装式安装,但螺丝孔容易滑丝。有些是采用老式B柱转换座安装,无需担心滑丝但转换座安装位置麻烦。若夹器安装位置不到位,直接导致盘片与来令片会摩擦。
解决方法:用5mm内六角扳手松开夹器紧固螺丝 (谨记不宜松开太多,能保持夹器活动即可),然后微调夹器、使盘片在来令片之间尽量保持同等距离,再紧固螺丝、转动车轮。若发现盘片依旧摩擦来令片,则重复之前的步骤。
3、轮组安装位不正
如果安装时没有严格按照安装守则轮组没有安装在车架或者前叉的中心线上,或者单车在骑行中遭遇摔车或者自己调整不当导致轮组位置偏离。
解决方法:打开快拆,将车扶正,并用手指从侧面顶外胎,让轮组自然弹回,然后锁紧快拆。若安装时未正或者由于撞击导致单车轮组不正的,则需要将轮组拆下重新安装。
还有可能引起山地车碟刹异响的因素:
1、来令片磨损严重
山地车碟刹来令片分为两种——树脂来令片及金属来令片,无论是较为耐磨的金属来令片还是磨耗快的树脂来令片归根结底都是损耗品,经过长时间骑行后,来令片都会磨损严重。
解决方法:取下来令片。查看来令片是否磨损严重 (一般会有明显的凹形磨损层)。若已经遭受磨损,则必须更换新的来令片。
2、来令片之间的间隙过小
油压碟刹长时间使用后,由于油质吸收空气、水分的缘故。刹车会出现疲软、来令片之间会出现间隙过小的情况。
解决方法:一手捏住车手把,将纸巾放在夹器密封螺丝处(防止泄油滴在夹器上),用2mm内六角扳手将密封螺丝旋松1/2圈,让少许的制动油流出,再紧固密封螺丝 (注意将漏油擦拭干净)。再来回捏动刹车手把,检查盘片转动时是否会有异响,若有则再次操作本步骤。
3、来令片抱死、 不回弹
在拆装轮组时,错误地没将盘片挡块装回去。若此时不小心捏住刹车,则直接导致来令片抱死、不回弹。
解决方法:在拆下轮组时,需要及时将盘片挡块装回去、防止来令片抱死。
4、碟刹一定不能碰到润滑油的~(且酒精是不能溶解润滑油的)
补救办法如下:
1.先用纸巾把碟片上的有充分弄干净~
2.准备一些“松香”(五金店有售),弄成粉状,涂到碟片上,此时你会觉得手指摸到碟片上的感觉黏黏的,此时大功告成~
3.骑出去试试,刹车的力道立即增大,若是还有声音出现,再重复上边的操作即可~
(以上办法能补救大多数的碟刹,若是不行,只能换碟刹的来令片了~)
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