制(zhi)動(dong)片(pian),也叫剎車片(pian),在汽車的(de)制(zhi)動(dong)系(xi)統中(zhong)(zhong),制(zhi)動(dong)片(pian)是(shi)(shi)最關(guan)鍵的(de)安(an)全零件,所有(you)剎車效(xiao)果的(de)好壞都(dou)是(shi)(shi)制(zhi)動(dong)片(pian)起著決定性(xing)的(de)作用。制(zhi)動(dong)片(pian)一般由(you)鋼板、粘結(jie)隔(ge)(ge)熱(re)層和(he)摩(mo)擦(ca)塊構成,其中(zhong)(zhong)隔(ge)(ge)熱(re)層是(shi)(shi)由(you)不傳熱(re)的(de)材(cai)料組成,目(mu)的(de)是(shi)(shi)隔(ge)(ge)熱(re);摩(mo)擦(ca)塊是(shi)(shi)由(you)摩(mo)擦(ca)材(cai)料、黏合劑組成,制(zhi)動(dong)時被(bei)擠(ji)壓在制(zhi)動(dong)盤和(he)制(zhi)動(dong)鼓上產生摩(mo)擦(ca),從而達到車輛減速(su)剎車的(de)目(mu)的(de)
制(zhi)動(dong)片(pian)在(zai)使用(yong)過程中,由于摩(mo)擦作用(yong),摩(mo)擦塊(kuai)會逐漸(jian)被磨(mo)損(sun),摩(mo)擦材料使用(yong)完后(hou)要及時更(geng)換制(zhi)動(dong)片(pian),否則鋼板與制(zhi)動(dong)盤就會直接(jie)接(jie)觸,最終(zhong)會喪失制(zhi)動(dong)效果并損(sun)壞制(zhi)動(dong)盤,影響行車安全。為了您的行車安全,請(qing)定期檢查和更(geng)換制(zhi)動(dong)片(pian)。
汽(qi)車(che)摩擦(ca)材(cai)(cai)料(liao)是(shi)摩擦(ca)式(shi)(接觸式(shi))制動器(qi)(qi)和(he)(he)離合(he)器(qi)(qi)用(yong)以(yi)制動和(he)(he)傳動的(de)(de)(de)關(guan)鍵材(cai)(cai)料(liao)。汽(qi)車(che)制動片是(shi)車(che)輛制動傳動的(de)(de)(de)關(guan)鍵部件,直接影(ying)響(xiang)汽(qi)車(che)的(de)(de)(de)行駛(shi)安全(quan)性能(neng)。21世紀的(de)(de)(de)汽(qi)車(che)制動器(qi)(qi)的(de)(de)(de)主(zhu)要課(ke)題是(shi)更安全(quan)、輕量化(hua)和(he)(he)合(he)乎環(huan)境(jing)保護要求(qiu),這不僅需要進行新(xin)材(cai)(cai)料(liao)開發,而且需要采用(yong)新(xin)結構、新(xin)系(xi)統(tong)(tong),以(yi)便大幅(fu)度提高(gao)制動器(qi)(qi)的(de)(de)(de)綜合(he)使用(yong)性能(neng)和(he)(he)實現(xian)輕量化(hua)。它(ta)的(de)(de)(de)性能(neng)好壞,直接影(ying)響(xiang)著汽(qi)車(che)制動系(xi)統(tong)(tong)能(neng)否正常使用(yong),從而關(guan)乎到汽(qi)車(che)舒適性、安全(quan)性等性能(neng)的(de)(de)(de)實現(xian)。
汽車摩擦材(cai)料(liao)生產(chan)工(gong)(gong)(gong)(gong)藝(yi)(yi)按(an)照加工(gong)(gong)(gong)(gong)溫度區分,大(da)致可以分為三類:熱(re)壓(ya)(ya)工(gong)(gong)(gong)(gong)藝(yi)(yi)、冷壓(ya)(ya)工(gong)(gong)(gong)(gong)藝(yi)(yi)和溫壓(ya)(ya)工(gong)(gong)(gong)(gong)藝(yi)(yi)。熱(re)壓(ya)(ya)工(gong)(gong)(gong)(gong)藝(yi)(yi)應用歷史悠久、技(ji)術(shu)(shu)成(cheng)(cheng)熟、適用面廣,現階段為國內外大(da)部分摩擦材(cai)料(liao)生產(chan)廠家所應用。冷壓(ya)(ya)和溫壓(ya)(ya)工(gong)(gong)(gong)(gong)藝(yi)(yi)都(dou)屬(shu)于低溫成(cheng)(cheng)型工(gong)(gong)(gong)(gong)藝(yi)(yi),屬(shu)于新型摩擦材(cai)料(liao)生產(chan)工(gong)(gong)(gong)(gong)藝(yi)(yi),性能(neng)較為優越,雖然這些(xie)新工(gong)(gong)(gong)(gong)藝(yi)(yi)的研究取得了一定成(cheng)(cheng)績,但尚且(qie)屬(shu)于探(tan)索階段,技(ji)術(shu)(shu)還不成(cheng)(cheng)熟,還有(you)待深入開(kai)展
前制動片的拆裝(zhuang)安裝(zhuang)方法:
更(geng)換剎(cha)車皮我(wo)們會用到千(qian)斤(jin)頂(ding)、合適的(de)套筒扳(ban)(ban)手(shou)、梅花扳(ban)(ban)手(shou)、螺(luo)絲刀、砂紙、潤滑(hua)脂等。所有(you)工具和剎(cha)車皮零件(jian)都能通過網購買到。有(you)些工具車輛一般會配備,如千(qian)斤(jin)頂(ding)以及(ji)拆輪胎的(de)十(shi)字(zi)套筒;而一些則需自行(xing)購買。
接著(zhu)把所有車(che)輪(lun)的(de)(de)(de)(de)緊固(gu)螺栓(shuan)擰松(song)半圈即可,無需完(wan)全擰下(xia)來。車(che)輛(liang)舉(ju)(ju)升(sheng)前,利用輪(lun)胎與地面的(de)(de)(de)(de)摩擦(ca)力更容易松(song)開車(che)輪(lun)的(de)(de)(de)(de)螺栓(shuan)。使用千斤頂在車(che)輛(liang)的(de)(de)(de)(de)舉(ju)(ju)升(sheng)位(wei)置頂起車(che)輛(liang)的(de)(de)(de)(de)一側。車(che)輛(liang)舉(ju)(ju)升(sheng)位(wei)置是(shi)專用于(yu)舉(ju)(ju)升(sheng)車(che)輛(liang)的(de)(de)(de)(de)車(che)身(shen)部位(wei),一般位(wei)于(yu)前輪(lun)后方(fang)以(yi)及后輪(lun)前方(fang)的(de)(de)(de)(de)車(che)身(shen)“大梁”上。2014年登(deng)場的濰柴英致汽車(che),因為這幾年低(di)端車(che)型市場(chang)的(de)飽(bao)和,生(sheng)存得算是步履維艱,好(hao)在背后的(de)股東濰柴動力(li)(li)實力(li)(li)雄厚,經歷兩年多的(de)新(xin)車(che)慌(huang)之后,迎(ying)來了(le)全(quan)新(xin)濰柴U70。濰柴英致U70將搭載一臺1.5T四(si)缸渦輪增(zeng)壓發動機,最大(da)功率為(wei)150Ps,峰值扭(niu)矩為(wei)210N·m
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