On the development of a haptic system for rapid product development

Authors:
Yonghua Chen;Zhengyi Yang;Lili Lian
Affiliations:
Mechanical Engineering Department, The University of Hong Kong, Pokfulam Road, Hong Kong, People's Republic of China;Mechanical Engineering Department, The University of Hong Kong, Pokfulam Road, Hong Kong, People's Republic of China;Mechanical Engineering Department, The University of Hong Kong, Pokfulam Road, Hong Kong, People's Republic of China
Venue:
Computer-Aided Design
Year:
2005

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Abstract

This paper presents a system development that extends haptic modeling to a number of key aspects in product development. Since haptic modeling has been developed based on physical laws, it is anticipated that a natural link between the virtual world and practical applications can be established based on haptic interaction. In the proposed system, a haptic device is used as the central mechanism for reverse engineering, shape modeling, real time mechanical property analysis, machining tool path planning and coordinate measuring machine (CMM) tolerance inspection path planning. With all these features in a single haptic system, it is possible to construct a three dimensional part by either haptic shape modeling or reverse engineering, then performing real-time mechanical property analysis in which the stiffness of a part can be felt and intuitively evaluated by the user, or generating collision free cutter tool path and CMM tolerance inspection path. Due to the force feed back in all of the above activities, the product development process is more intuitive, efficient and user-friendly. A prototype system has been developed to demonstrate the proposed capabilities.