机械平衡是因为为消除惯性力对机械产生的不利影响，就需要设法将惯性力平衡掉，又称惯性力的平衡。
结构为四柱导向，上压式，双油缸加机械平衡系统，保证了上下工作台之间的平行度。
The structure is four - pillar guide, up - packing, doublecylinder and machine balancing system. ensures the parallelism of upper and lower working sides.
本文亦简要分析了旋转机械平衡机床的基本原理以及在平衡过程中可能导致较大误差的因素。
Finally, the fundamental principles of the conventional balancing machines are given and causes of grave error which may be produced during balancing process are analysed.
机构支座约束反力的理论计算和实测结果表明：上述测试台不但能用于机构平衡的定性分析，还能用于机械平衡的定量分析。
The experimental results show that the above-mentioned method can be used not only as estimative analysis but also as quantitative analysis of mechanism balance.
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