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卧式拉力试验机引伸计的标定方法


  卧式拉力试验机与立式机型大体类似,有相同的地方也有不同的地方,下面简单介绍一下相关的方法,希望可以帮助用户更好的了解该设备。
1.将标定器调整到零点位置,再将变形引伸计小心的固定在标定器引伸杆上,注意,固定时引伸计刀口不应受侧向力;
2.拔下引伸计定位销,按一下调整零点按钮,缓慢旋转标定器使引伸计伸长到满量程,再退回至零,重复两次,最后一次退过零点然后再进到零点;
3.按一下调整零点按钮使变形值置零,匀速缓慢旋转标定器并在标定点处逐点读数和记录;
4.计算各点误差值,当不满足精度要求(如±5‰)时,需要重新计算标定数(计算方法同负荷);
5.确定新标定数后重新调整,逐点校验。

 

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