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为了减小柔性铰链性能对制造误差的敏感性,应用多变量函数T ay lor级数展开的方法,建立了单轴圆弧型柔性铰链制造误差与其性能的线性误差传递函数。分析结果显示,柔性铰链性能对最小铰链厚度t的制造误差最敏感,其次是铰链圆弧半径R和铰链厚度b,铰链宽度h的影响最小。在制造中,t应采取较高精度的加工方法,R和b在合理范围内分别应取较小值和较大值。
In order to reduce the sensitivity of the flexible hinge to the manufacturing error, a linear error transfer function of the manufacturing error and the performance of the uniaxial circular flexible hinge was established by using the multi-variable function T ay lor series expansion method. The analysis results show that the performance of flexible hinge is most sensitive to the manufacturing error of the minimum hinge thickness t, followed by the radius of hinge circle R and the thickness of hinge b, and the influence of hinge width h is the least. In manufacturing, t should be more accurate processing methods, R and b should be reasonable within a smaller range and larger values.