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熔體輸送齒輪泵的從動齒輪折斷原因有哪些？
作者：巴特熔體泵    時間：2023-10-16 16:18:57

熔(rong)體(ti)輸(shu)送齒(chi)(chi)(chi)(chi)輪(lun)泵的(de)齒(chi)(chi)(chi)(chi)輪(lun)折斷(duan)(duan)原(yuan)(yuan)(yuan)因對直齒(chi)(chi)(chi)(chi)輪(lun)來(lai)說主要有2種(zhong)(zhong)：種(zhong)(zhong)是齒(chi)(chi)(chi)(chi)輪(lun)受(shou)到突然過(guo)(guo)載(zai)時會發(fa)生(sheng)折斷(duan)(duan)現(xian)(xian)象，從解(jie)體(ti)后未發(fa)現(xian)(xian)有異物進入，且從折斷(duan)(duan)部位(wei)在齒(chi)(chi)(chi)(chi)輪(lun)根(gen)(gen)部來(lai)看，可以排除突然過(guo)(guo)載(zai)折斷(duan)(duan)齒(chi)(chi)(chi)(chi)輪(lun)的(de)可能性(xing)。第二種(zhong)(zhong)原(yuan)(yuan)(yuan)因是因為(wei)輪(lun)齒(chi)(chi)(chi)(chi)像一(yi)個懸臂梁，受(shou)載(zai)后以齒(chi)(chi)(chi)(chi)根(gen)(gen)處(chu)產(chan)生(sheng)的(de)彎曲應力為(wei)大𝔍，再加上齒(chi)(chi)(chi)(chi)根(gen)(gen)處(chu)過(guo)(guo)渡部分的(de)尺寸發(fa)生(sheng)了較大的(de)變化，以及沿齒(chi)(chi)(chi)(chi)寬方向(xiang)留下的(de)加工刀痕(hen)等引(yin)起(qi)了一(yi)定程度的(de)應力集中作用(yong)，所以，當齒(chi)(chi)(chi)(chi)輪(lun)重復受(shou)載(zai)后，齒(chi)(chi)(chi)(chi)根(gen)(gen)處(chu)就會產(chan)生(sheng)疲勞裂紋，并逐(zhu)步擴展(zhan)，致(zhi)使(shi)輪(lun)齒(chi)(chi)(chi)(chi)折斷(duan)(duan)，這♓就是熔(rong)體(ti)輸(shu)送齒(chi)(chi)(chi)(chi)輪(lun)泵從動齒(chi)(chi)(chi)(chi)輪(lun)折斷(duan)(duan)的(de)直接原(yuan)(yuan)(yuan)因。

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