机械产品装配是制造过程的最终阶段, 装配质量对机械产品的服役性能和可靠性有直接影响.
建立合理的数学模型描述机械产品装配过程中的偏差传递, 累积和淹没规律 …

Because of uncertainties in manufacturing processes, a mechanical part always shows
variations in its geometrical characteristics (ex. form, dimension, orientation and position) …

Mechanical assembly is the final stage of the manufacturing process of the products.
Assembly quality has a direct impact on the service performance and reliability of …

This paper presents a mathematical tool to help the designer in the difficult task of
tolerancing mechanical assemblies. It starts with the identification of a critical tolerance …

Screw theory has demonstrated its wide applications in robot kinematics and statics. We aim
to propose an intuitive geometrical approach to obtain the reciprocal screws for a given …

This paper presents the adaptation of tolerance transfer techniques to a model called TTRS
for Technologically and Topologically Related Surfaces. According to this model, any three …

In this paper, a general methodology to do tolerance analysis of rigid assemblies is
proposed. Firstly, tolerance specification sets, according to GD&T or ISO specifications, are …

This paper presents results on ongoing research aimed at developing an integrated
computer-aided tolerancing tool. Starting with explicit tolerance analysis equations used to …

In this study, the cylindricity error was integrated into the tolerance analysis of precision
rotary assemblies using Jacobian–Torsor model. The contact method was developed to …

This paper presents a comparison between two currently available tools used to
mathematically model the contribution of toleranced dimensions on critical quality …