液压材料试验机的误差分析及调修(1)

Error Analysis and adjustment of the Hydraulic Material Testing Machine

叙述了液压材料试验机的结构、工作原理及各种参数变化对误差的影响和提高准确调整的方法，以及同轴度引起的试验误差。

The structure and principle of hydraulic material testing machine are introduced. Therelation of its error to varias parameters is derived and the accuracy of force is presented.