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它由液壓控製，主要零部件有製動盤、分泵、製動鉗、youguandeng。zhidongpanyonghejingangzhizaobinggudingzaichelunshang，suichelunzhuandong。fenbenggudingzaizhidongqidedibanshanggudingbudong。zhidongqianshangdelianggemocapianfenbiezhuangzaizhidongpandeliangce。fenbengdehuosaishouyouguanshusonglaideyeyazuoyong，tuidongmocapianyaxiangzhidongpanfashengmocazhidong，dongzuoqilaijiuhaoxiangyongqianziqianzhuxuanzhuanzhongdepanzi，poshitatingxialaiyiyang。
zhezhongzhidongqisanrekuai，zhongliangqing，gouzaojiandan，tiaozhengfangbian。tebieshigaofuzaishinaigaowenxingnenghao，zhidongxiaoguowending，erqiebupanishuiqinxi，zaidongjiheelielukuangxiaxingche，panshizhidongbigushizhidonggengrongyizaijiaoduandeshijianneilingchetingxia。youxiepanshizhidongqidezhidongpanshanghaikailexuduoxiaokong，jiasutongfengsanretigaozhidongxiaolv。fanguangushizhidongqi，youyusanrexingnengcha，zaizhidongguochengzhonghui**大量的熱量。製動蹄片和輪鼓在高溫影響下較易發生極為複雜的變形，容易產生製動衰退和振抖現象，引起製動效率下降。 