Assembly Configurations of Spatial Single-Loop Single-DOF Mechanisms

Author:

Foster David E.1,Cipra Raymond J.2

Affiliation:

1. Caterpillar Inc., East Peoria, IL 61630-3130

2. School of Mechanical Engineering, Purdue University, West Lafayette, IN 47907-2088

Abstract

This paper examines the problem of finding the assembly configurations (ACs), also called circuits, of spatial single-loop single-DOF mechanisms. All six lower pairs are considered: revolute (R), cylindric (C), prismatic (P), helical (H), spheric (S), and planar (E). The RSSR, CSS, RRSC, CCS, and RRSRR mechanisms are covered, along with all variations in which an R joint is replaced with a P or H joint, or an S joint is replaced with an E joint. The RRCRC, RRRCC, and RRRRCR mechanisms are covered, along with all appropriate variations in which an R joint is replaced by a P or H joint. A numerical method is given to find the ACs, and is illustrated with several examples.

Publisher

ASME International

Subject

Computer Graphics and Computer-Aided Design,Computer Science Applications,Mechanical Engineering,Mechanics of Materials

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