Ruled surface is widely used in engineering design such as parting surface design of injection mold and checking surface design of checking fixture, which are usually generated by offsetting 3D curves. However, in 3D curve offset, there often exist break/interaction/overlapping problems which can't be solved by current CAD software automatically. This paper is targeted at developing a 3D curve ...

This paper presents a program for structural synthesis -conception and design work-of the multiple fixture devices in the machine-tool structure. This program was created according to the principles of object-oriented programming. The program is also built upon two fundamental principles which characterize the evolution of the systems: the combination and the selection. The basic structural ele...

Training novice production engineers to design manufacturing fixtures is a time-consuming process involving significant input from experienced experts. Motivated by the vision of providing an intelligent support system for general mechanical design, this paper develops list requirements predictive suggestion mechanisms focused on creating holding components during machining. To do this, email c...

1 This work was supported in part by Adept Technology, Inc. and 2000 California State MICRO Grant 00-032. 4 Sr. automation engineer, TMG, Intel Corp., 2501 NW 229 Street, Hillsboro, OR 97124. Former postdoctoral researcher in ALPHA Lab. Abstract Semiconductor manufacturing industry requires highly accurate robot operation with short downtime. We develop a fast, low cost and easy-to-operate cali...

PURPOSE The purposes of this study were to investigate the internal structure of the edentulous zygomatic bone, which provides anchorage for the zygomatic fixture, using micro-computed tomography, and to examine the relation between the internal structure of the edentulous zygomatic bone and the zygomaticus fixture. MATERIALS AND METHODS Twenty-eight zygomatic bones of edentulous maxillae fro...