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                                        壓力試驗機示值精度的檢查方法

                                        2016-04-12 0

                                        壓力試驗機示值精度的檢查方法

                                        1、在試驗機上安放標準測力儀器,啟動試驗機,重復三次施加試驗力,每次均到最大試驗力,并且每次卸除試驗力后調零,然后開始檢查。

                                        2、檢測時應改變工作活塞的行程位置,根據試驗機架構,約在其工作行程的10%和60%兩個位置上進行。

                                        3、對試驗力應采用遞增力進行三組測量,每組應在每級試驗力的20%至最大試驗力之間均勻采取5個力值測量點。推薦在第三組測量時將測力儀器旋轉到90°或180°的位置。


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