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ye ya xi tong zhong xiang jiao mi feng jian de zheng que shi yong
Author(s): 
Pages: 60
Year: Issue:  10
Journal: Farm Machinery Using & Maintenance

Abstract: 密封件(密封圈、骨架油封、密封垫片等)是农业机械、工程机械上常用的油、水、气密封件.实践表明,许多机械故障是由于橡胶密封件失效引起的.液压系统故障中,有80%是由于橡胶密封件失效引起的.因此,橡胶密封件的正确使用以延长其寿命尤为重要. 1.选用合格密封件 丁晴橡胶具有良好的耐油性、耐热性、耐寒性、耐压性和耐水性,并具有很好的耐磨性,通常的使用温度大致为-40 ~120℃,易于用金属模压成任意形状的液压密封件,因此丁晴橡胶最适宜于制作工作压力不大于32 MPa的液压缸用密封件.
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