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常見(jiàn)問(wèn)題

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常見(jiàn)壓力表問(wèn)題和對(duì)策
發(fā)布時(shí)間:2016-12-06   瀏覽:1516次

三、壓力表指針有跳動(dòng)或呆滯現(xiàn)象。


原因:


1、指針與表面玻璃或者刻度相碰有摩檫;


2、中心的齒輪軸已彎曲;


3、兩齒輪嚙合會(huì)有污物;


4、連桿以及扇齒輪間的活動(dòng)螺絲不靈活。 


四、壓力去掉后,指針沒(méi)辦法恢復(fù)到零點(diǎn)。


原因:


1、指針不直還打彎;


2、游絲力短不夠;


3、指針較為松動(dòng);


4、傳動(dòng)齒輪有摩檫。 



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