The Robotics Institute

Carnegie Mellon Robotics Institute

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Abstract

Designers usually complete the design with nominal dimensions and allocate tolerances only at the drawing stage. This practice can cause the following problems: (1) unnecessarily tight tolerances that require expensive manufacturing processes, (2) parts whose proper functioning is contingent on excessively tight tolerances, and (3) situations whcre slight wear on a part can seriously modify the bchavior of the device. There is a need for computer-bascd techniques which will allow designers to invcstigate Lhe erfect of manufacturing tolerances on the function their design performs. This paper presents a means for capturing the kinematic behavior of a device and relating it to the tolerances on it's components. Behavior is represented using a confiyration space representation, which we argue will be a useful tool for designers.

Notes

Grant ID: #F33615-86-C-5-38

Associated Center(s) / Consortia: Center for Integrated Manfacturing Decision Systems

Text Reference

David Bourne, Dundee Navin-Chandra, and R. Ramaswamy, "Relating Tolerances and Kinematic Behavior," tech. report CMU-RI-TR-89-10, Robotics Institute, Carnegie Mellon University, May, 1989

BibTeX Reference

@techreport{Bourne_1989_191,
   author = "David Bourne and Dundee Navin-Chandra and R. Ramaswamy",
   title = "Relating Tolerances and Kinematic Behavior",
   booktitle = "",
   institution = "Robotics Institute",
   month = "May",
   year = "1989",
   number= "CMU-RI-TR-89-10",
   address= "Pittsburgh, PA",
}

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