1-12 尺寸公差应用(Dimension Tolerancing Application) • 尺寸可很好的测量单个尺寸形体(规则#1)但不能控制两个形体之间的关 系。
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作者分析了误差和公差的不确定性,发现它们可用灰色不确定性描述,并应用区间灰数数学方程来作了尺寸链的求解。
Authors analyzed uncertainties of error and tolerance, found that it is feasible to describe it by gray uncertainty theory, and solved dimension chain through gray mathematics equation.
本文以尺寸链理论为基础,通过对二阶矩可靠性指标的应用到装配尺寸链的研究,建立计算机辅助公差优化设计的尺寸模型。
Thus a kind of computer aided optimum tolerance design model is built, by the reliability index of second moment based on the Dimension chain theory.
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