Electric impact wrench is an important tool used in manufacturing and maintenance services. It has complex mechanism and its operation involves dynamic events occurring at vastly different time scales, which poses challenges for efficient and accurate modeling to facilitate design optimization and control. This investigation establishes a first principle-based, system-level model of a representative impact wrench. The model explicitly incorporates the dynamic flexibility of gear transmission, spindle shaft, and impacting components into the kinematic relations that connect them together. The nonlinear impact and contact events, coupled with the rotational and translational motions of all components, are explicitly analyzed, and systematic parametric identification is performed based on a multi-objective optimization (MOO) approach. The model prediction is correlated with experimental studies.
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November 2016
Research-Article
System-Level Modeling and Parametric Identification of Electric Impact Wrench
Shengli Zhang,
Shengli Zhang
Department of Mechanical Engineering,
University of Connecticut,
191 Auditorium Road,
Unit 3139, Storrs, CT 06269
University of Connecticut,
191 Auditorium Road,
Unit 3139, Storrs, CT 06269
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J. Tang
J. Tang
Professor
Department of Mechanical Engineering,
University of Connecticut,
191 Auditorium Road,
Unit 3139, Storrs, CT 06269
e-mail: jtang@engr.uconn.edu
Department of Mechanical Engineering,
University of Connecticut,
191 Auditorium Road,
Unit 3139, Storrs, CT 06269
e-mail: jtang@engr.uconn.edu
Search for other works by this author on:
Shengli Zhang
Department of Mechanical Engineering,
University of Connecticut,
191 Auditorium Road,
Unit 3139, Storrs, CT 06269
University of Connecticut,
191 Auditorium Road,
Unit 3139, Storrs, CT 06269
J. Tang
Professor
Department of Mechanical Engineering,
University of Connecticut,
191 Auditorium Road,
Unit 3139, Storrs, CT 06269
e-mail: jtang@engr.uconn.edu
Department of Mechanical Engineering,
University of Connecticut,
191 Auditorium Road,
Unit 3139, Storrs, CT 06269
e-mail: jtang@engr.uconn.edu
1Corresponding author.
Manuscript received December 8, 2015; final manuscript received March 10, 2016; published online June 24, 2016. Assoc. Editor: Tony Schmitz.
J. Manuf. Sci. Eng. Nov 2016, 138(11): 111010 (16 pages)
Published Online: June 24, 2016
Article history
Received:
December 8, 2015
Revised:
March 10, 2016
Citation
Zhang, S., and Tang, J. (June 24, 2016). "System-Level Modeling and Parametric Identification of Electric Impact Wrench." ASME. J. Manuf. Sci. Eng. November 2016; 138(11): 111010. https://doi.org/10.1115/1.4033044
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