隨(sui)著(zhe)時(shi)代(dai)進(jin)步(bu)，一(yi)些(xie)機(ji)械(xie)設(she)備(bei)在(zai)我(wo)們(men)的(de)生(sheng)活(huo)中(zhong)會(hui)經(jing)常(chang)出(chu)現(xian)，比(bi)如(ru)挖(wa)掘(jue)機(ji)，就(jiu)是(shi)其(qi)中(zhong)最(zui)為(wei)常(chang)見(jian)的(de)設(she)備(bei)，人(ren)們(men)看(kan)到(dao)挖(wa)掘(jue)機(ji)，他(ta)的(de)造(zao)型(xing)最(zui)為(wei)突(tu)出(chu)的(de)就(jiu)是(shi)他(ta)的(de)鬥(dou)齒(chi)了(le)。想(xiang)一(yi)個(ge)大(da)象(xiang)的(de)鼻(bi)子(zi)，而(er)實(shi)際(ji)上(shang)他(ta)的(de)作(zuo)用(yong)也(ye)就(jiu)像(xiang)大(da)象(xiang)的(de)鼻(bi)子(zi)一(yi)樣(yang)。因(yin)此(ci)他(ta)的(de)損(sun)耗(hao)也(ye)是(shi)更(geng)大(da)的(de)。那(na)麼(me)我(wo)們(men)應(ying)該(gai)如(ru)何(he)減(jian)少(shao)寧(ning)波(bo)鬥(dou)齒(chi)的(de)損(sun)耗(hao)呢(ne)？
鬥dou齒chi的de用yong途tu相xiang當dang的de廣guang泛fan，不bu過guo用yong於yu挖wa掘jue機ji等deng機ji器qi上shang比bi較jiao多duo，鬥dou齒chi的de鑄zhu造zao方fang法fa也ye不bu是shi很hen多duo，有you兩liang種zhong分fen沙sha鑄zhu和he精jing密mi鑄zhu造zao。鍛duan造zao鬥dou齒chi成cheng本ben高gao，產chan量liang很hen小xiao。
鬥dou齒chi有you時shi候hou在zai工gong作zuo時shi會hui受shou到dao不bu同tong程cheng度du的de損sun傷shang，導dao致zhi鬥dou齒chi失shi效xiao，受shou力li分fen析xi一yi般ban鬥dou齒chi工gong作zuo麵mian與yu被bei挖wa掘jue物wu相xiang接jie觸chu，在zai一yi個ge完wan整zheng的de挖wa掘jue過guo程cheng中zhong不bu同tong的de工gong作zuo階jie段duan其qi受shou力li情qing況kuang不bu同tong。齒chi尖jian部bu位wei首shou先xian接jie觸chu物wu料liao表biao麵mian時shi，由you於yu速su度du較jiao快kuai，鬥dou齒chi尖jian部bu分fen受shou到dao較jiao強qiang烈lie的de衝chong擊ji。若ruo鬥dou齒chi的de屈qu服fu強qiang度du低di，將jiang會hui在zai尖jian部bu產chan生sheng塑su性xing變bian形xing。隨sui著zhe挖wa掘jue深shen度du的de加jia大da，鬥dou齒chi受shou力li情qing況kuang會hui有you所suo改gai變bian。當dang鬥dou齒chi切qie割ge物wu料liao時shi，鬥dou齒chi與yu物wu料liao發fa生sheng相xiang對dui運yun動dong，在zai表biao麵mian產chan生sheng很hen大da的de正zheng擠ji壓ya力li，從cong而er在zai鬥dou齒chi工gong作zuo麵mian和he物wu料liao之zhi間jian產chan生sheng較jiao大da的de摩mo擦ca力li。
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