The advent of CNC machines resulted in the reduction of machining complexity through
efficient programming and increased productivity. The free-form surface milling (FFSM) …

Digital twin (DT) technology has become an effective means of industrial digital
transformation due to its ability to realize virtual-real mapping, data fusion, etc. In recent …

As one of key enabling technologies in digital twin-based assembly precision analysis, three
dimensional (3D) assembly tolerance analysis technology has increasingly become an …

Nowadays, assembly tolerance analysis has become a challenging problem to predict the
accuracy of a final assembly and examine whether specified tolerances satisfy assembly …

The rotation accuracy of a machine tool spindle is essential for ensuring the machining
precision. Due to the existence of manufacturing and assembly errors, the rotation accuracy …

Purpose This paper aims to illustrate the tolerance optimization method based on the
assembly accuracy constrain, precession constrain and the cost of production of the …

Aerostructures are important components of an aircraft's aerodynamic shape, and their
assembly requires high precision. To ensure optimal external shape performance, a …

Geometric variations and uncertainty are generally observed on every manufactured
workpiece and have a critical influence on the functional performance of mechanical parts …

Previous research on tolerance analysis has primarily overlooked the influence of
mechanical vibration on the accuracy of motion, neglecting its significance in systems with …

Variation simulation of final aircraft assembly concerning compliance and contact interaction
of parts requires the specialized approaches to setting and generation of initial gaps …