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根据天平检定规程,利用检定值计算出的不等臂性误差与实际应调量不等,作者在实际经验的基础上,提出了试调法,利用天平的四个平衡位置计算出横梁不等臂性误差的应调量,大大提高了工效,更由于这个试调法无须先称量悬挂系统的质量,这对于大型天平的调修是比较方便的。同时,天平的各计量性能是互相联系的,有一定制约关系,所以必须相互兼顾,不能顾此失彼。
According to the balance verification protocol, the unequal arm error calculated by the verification value is not equal to the actual variable. Based on the actual experience, the author puts forward a trial-and-test method to calculate the cross beams using the four equilibrium positions of the balance Arm error should be adjusted, greatly improving the work efficiency, but also because of this trial method without weighing the quality of the suspension system, which is more convenient for the adjustment of large scales. At the same time, the scales of the metrological performance are interrelated, there are some constraints, it must take into account each other, can not ignore this.