Abstract

This paper presents a chamferless vertical/horizontal remote centre compliance (CVHRCC) mechanism developed for robotic peg-in-hole assembly operations. The wrist adopts the passive accommodation approach and differs from other devices in its category in its ability to accommodate positional errors between the mating parts without a chamfer on either part. In addition, the wrist is designed to work from both the vertical and the horizontal directions. A series of experiments have been carried out for testing the new wrist. The main conclusion of the assembly experiments is that the CVHRCC can work effectively from the vertical direction in accommodating positional errors between chamferless mating parts with large clearance (over 0.2 mm) between the peg and hole.

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