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中國工程機(ji)械密封技術應用的四個階段解(jie)析(xi)
中(zhong)(zhong)國(guo)工(gong)(gong)(gong)程(cheng)機(ji)(ji)(ji)械(xie)(xie)密(mi)(mi)封(feng)(feng)(feng)(feng)技(ji)術發(fa)展已經走過50多年歷(li)史，從最(zui)開(kai)始的(de)(de)(de)(de)艱難起步到如(ru)今的(de)(de)(de)(de)飛(fei)速發(fa)展，中(zhong)(zhong)國(guo)工(gong)(gong)(gong)程(cheng)機(ji)(ji)(ji)械(xie)(xie)密(mi)(mi)封(feng)(feng)(feng)(feng)技(ji)術為(wei)中(zhong)(zhong)國(guo)工(gong)(gong)(gong)程(cheng)機(ji)(ji)(ji)械(xie)(xie)產業的(de)(de)(de)(de)發(fa)展作(zuo)出(chu)了重(zhong)要貢獻。以(yi)橡塑密(mi)(mi)封(feng)(feng)(feng)(feng)件(jian)(jian)為(wei)應用(yong)主(zhu)體的(de)(de)(de)(de)工(gong)(gong)(gong)程(cheng)機(ji)(ji)(ji)械(xie)(xie)密(mi)(mi)封(feng)(feng)(feng)(feng)技(ji)術的(de)(de)(de)(de)發(fa)展過程(cheng)大致可以(yi)分為(wei)四個階段。 機(ji)(ji)(ji)械(xie)(xie)密(mi)(mi)封(feng)(feng)(feng)(feng)件(jian)(jian) 1.起步階段(1960-1970年) 這期間的(de)(de)(de)(de)中(zhong)(zhong)國(guo)工(gong)(gong)(gong)程(cheng)機(ji)(ji)(ji)械(xie)(xie)產品液壓(ya)系(xi)統的(de)(de)(de)(de)工(gong)(gong)(gong)作(zuo)壓(ya)力(li)大致為(wei)12-14MPa。采用(yong)的(de)(de)(de)(de)密(mi)(mi)封(feng)(feng)(feng)(feng)系(xi)統用(yong)密(mi)(mi)封(feng)(feng)(feng)(feng)件(jian)(jian)有：0形橡膠密(mi)(mi)封(feng)(feng)(feng)(feng)圈(NB
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