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tian jin han jie yan jiu suo ke yan cheng guo jian jie
Pages: 37-38
Year: Issue:  3
Journal: Welding Technology

Keyword:  电液伺服阀焊接研究所球头成果简介表面硬度振动频率透平油贮能焊炬焊接电压;
Abstract: <正> 一、铍青铜与滚珠轴承钢电容贮能焊的研究电液伺服阀中的反馈杆及球头系在20℃~90℃的22~#透平油或10~#红油介质中工作,它的全部工作都在0~0.06毫米的振幅下,以400周秒的频率振动,而在全流量的情况下,振幅约为±1毫米,这种振动频率约为8次/分,故从设计中提出反馈杆采用弹性好的材料铍青铜(QBe1.9),而球头工作所接触的表面硬度很高,约为
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