To improve the compressive capacity and straightening efficiency of straightening process, the stroke-deflection model (SDM) using dual indenter and dual clamp system (DIDCS) for linear guide rails is developed in this paper. The DIDCS is actually simplified as a symmetrically supported beam with two symmetrical concentrated forces on the top surface of workpiece, so the straightening process is regarded as pure bending process. To explore the deflection variation during the whole process with DIDCS, the curvature-deflection model (CDM) considering the span control of dual indenter and dual clamp is firstly analyzed based on elastic-plastic deformation theory and small deformation principle. The geometrical features and material properties of linear guide rails, which are the main factors influencing bending characteristics, are then mathematically modeled for the further analysis of stress and strain distributions in straightening process. Besides, to obtain the actual bending moment model (BMM) of different model parameters, the distribution regulations of elastic and plastic regions are analyzed followed by pure bending assumptions. The bending rebound model (BRM) is established with bending moment, geometrical features and material properties, and the SDM is finally calculated by initial deflection, rebound deflection and span parameters of the DIDCS. On basis of the DIDCS, the straightening process is simulated with the established finite element analysis model (FEM) to demonstrate the longitudinal stress distribution and the reflection of different straightening stages. The proposed SDM is also experimentally validated on the ROSE-JZ50 straightening machine with different materials.
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ASME 2017 12th International Manufacturing Science and Engineering Conference collocated with the JSME/ASME 2017 6th International Conference on Materials and Processing
June 4–8, 2017
Los Angeles, California, USA
Conference Sponsors:
- Manufacturing Engineering Division
ISBN:
978-0-7918-5074-9
PROCEEDINGS PAPER
The Pressure Straightening Technology of Linear Guide Rails Using Dual Indenter-Dual Clamp System Available to Purchase
Yongquan Zhang,
Yongquan Zhang
Wuhan University of Technology, Wuhan, China
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Hong Lu,
Hong Lu
Wuhan University of Technology, Wuhan, China
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Wei Fan,
Wei Fan
Wuhan University of Technology, Wuhan, China
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Shaojun Wang,
Shaojun Wang
Southeast Missouri State University, Cape Girardeau, MO
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Qinyu Wei,
Qinyu Wei
Wuhan University of Technology, Wuhan, China
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He Ling
He Ling
Wuhan University of Technology, Wuhan, China
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Yongquan Zhang
Wuhan University of Technology, Wuhan, China
Hong Lu
Wuhan University of Technology, Wuhan, China
Wei Fan
Wuhan University of Technology, Wuhan, China
Shaojun Wang
Southeast Missouri State University, Cape Girardeau, MO
Qinyu Wei
Wuhan University of Technology, Wuhan, China
He Ling
Wuhan University of Technology, Wuhan, China
Paper No:
MSEC2017-2699, V003T04A052; 8 pages
Published Online:
July 24, 2017
Citation
Zhang, Y, Lu, H, Fan, W, Wang, S, Wei, Q, & Ling, H. "The Pressure Straightening Technology of Linear Guide Rails Using Dual Indenter-Dual Clamp System." Proceedings of the ASME 2017 12th International Manufacturing Science and Engineering Conference collocated with the JSME/ASME 2017 6th International Conference on Materials and Processing. Volume 3: Manufacturing Equipment and Systems. Los Angeles, California, USA. June 4–8, 2017. V003T04A052. ASME. https://doi.org/10.1115/MSEC2017-2699
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