Some key points on how to purchase retaining rings

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Some key points on how to purchase retaining rings

date:[2022-10-14]     pk_hits:
雷馳汽車零部件有限公司為大家整理了關(guān)于如何選購(gòu)擋圈的一些要點(diǎn),希望看完后能幫助大家提高采購(gòu)擋圈的準(zhǔn)確性:

1、運(yùn)動(dòng)方向:先決定擋圈所在位置的運(yùn)動(dòng)方向,例如往復(fù)、旋轉(zhuǎn)、螺旋或固定等;
2、密封重點(diǎn):例如決定活動(dòng)點(diǎn)是內(nèi)徑的拉桿封或活動(dòng)點(diǎn)是在外徑的活塞封等;
3、溫度等級(jí):從原廠機(jī)械使用說(shuō)明查閱或按實(shí)際工作環(huán)境評(píng)估工作溫度,決定所需要使用材料,有關(guān)溫度等級(jí)的說(shuō)明可參考注意事項(xiàng);
4、壓力等級(jí):從原長(zhǎng)機(jī)械使用說(shuō)明查閱有關(guān)數(shù)據(jù),或通過觀察原擋圈的軟硬度和結(jié)構(gòu)推斷工作壓力等級(jí),有關(guān)壓力等級(jí)的說(shuō)明參考注意事項(xiàng);
5、尺寸大小:多數(shù)用戶都會(huì)按使用過的舊樣品選購(gòu),但擋圈在使用一段時(shí)間后,會(huì)被溫度、壓力及磨損等因素大幅影響其原來(lái)的尺寸,按樣選擇只能作為一個(gè)參考,更好的方法是量度擋圈所在位置的金屬槽尺寸,準(zhǔn)確性會(huì)較高;
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