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Flexible automated assembly cell for interference fits

: Warnecke, H.-J.; Schweizer, M.; Würtz, G.

Society of Manufacturing Engineers -SME-, Dearborn/Mich.:
11th International Conference on Assembly Automation '90. Proceedings
Dearborn/Mich., 1990 (Technical paper - Society of Manufacturing Engineers (MS))
ISBN: 0-87263-392-6
International Conference on Assembly Automation <11, 1990, Dearborn/Mich.>
Fraunhofer IPA ()
Einpressen; Einpresstechnik; flexible automated assembly cell; flexibles Fertigungssystem; Interference fits; Montage; Montagezelle; Verbindung; Verbindungselement; Verbindungstechnik

Second to screwing, the "pressing-in" jointing technique is the most used in industrial practice. For flexible automation with the aid of an industrial robot, two major problems need to be solved: generation and support of high forces and compensation of positioning tolerances at oversize between assembly component and basic component. The industrial robot tool developed fulfills these requirements by way of a pneumatic impact hammer for force generation and a passive tolerance compensation module to compensate positioning tolerances. The special characteristics of the intermittent jointing process together with its effects on vibration stresses on the industrial robot or, respectively, the process control, are discussed and the modules developed.