當(dang)遭(zao)到(dao)霎(sha)時(shi)過(guo)大(da)衝(chong)擊(ji)載(zai)荷(he)的(de)時(shi)分(fen)
，保(bao)送(song)輸(shu)送(song)鏈(lian)條(tiao)就(jiu)會(hui)產(chan)生(sheng)很(hen)大(da)的(de)應(ying)力(li)和(he)變(bian)形(xing)，此(ci)時(shi)是(shi)十(shi)分(fen)容(rong)易(yi)斷(duan)鏈(lian)的(de)。假(jia)如(ru)長(chang)時(shi)間(jian)循(xun)環(huan)狡(jiao)賴(lai)載(zai)荷(he)作(zuo)用(yong)，會(hui)讓(rang)保(bao)送(song)輸(shu)送(song)鏈(lian)條(tiao)產(chan)生(sheng)疲(pi)倦(juan)而(er)又(you)斷(duan)裂(lie)，另(ling)外(wai)假(jia)如(ru)輸(shu)送(song)鏈(lian)條(tiao)自(zi)身(shen)還(hai)有(you)外(wai)表(biao)缺(que)陷(xian)的(de)話(hua)，產(chan)生(sheng)裂(lie)痕(hen)後(hou)會(hui)不(bu)時(shi)加(jia)深(shen)。