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The Mechanical Assembly Precision Analysis Considering Actual Working Condition

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Advances in Mechanical Design (ICMD 2017)

Part of the book series: Mechanisms and Machine Science ((Mechan. Machine Science,volume 55))

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Abstract

As an important factor affecting the accuracy of mechanical assembly, the geometric variation of mechanical assembly caused by the temperature and load in actual working condition of the temperature must be considered to ensure the accuracy and performance of product in the design stage. In this paper, considering the tolerance principle, based the SDT theory and initial tolerance design scheme of assembly, the mathematical tolerance model is established. Based on the theory of elasticity and thermodynamics, the three dimensional deformation models of the parts caused by the factors (temperature, load) in the actual working condition are established. Using the method of vector loop, the three dimensional assembly dimension chain is established, which considers the actual working condition. The example of reducer shaft is given to analysis the theory of this paper, through comparing the calculation results in different conditions, the influence of considering the influence of actual condition and tolerance principle on the accuracy analysis is illustrates, the feasibility and effectiveness of the method in this paper are verified.

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Author information

Authors and Affiliations

  1. School of Mechanical Engineering, Zhengzhou University, Zhengzhou, 450001, China

    Shaobo Jin, Fengxia Zhao, Shuo Sun & Linna Zhang

Authors
  1. Shaobo Jin
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  2. Fengxia Zhao
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  3. Shuo Sun
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  4. Linna Zhang
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Corresponding author

Correspondence to Fengxia Zhao .

Editor information

Editors and Affiliations

  1. Zhejiang University, Hangzhou, China

    Jianrong Tan

  2. Shanghai Jiao Tong University , Shanghai, China

    Feng Gao

  3. Beijing Institution of Technology, Beijing, China

    Changle Xiang

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Jin, S., Zhao, F., Sun, S., Zhang, L. (2018). The Mechanical Assembly Precision Analysis Considering Actual Working Condition. In: Tan, J., Gao, F., Xiang, C. (eds) Advances in Mechanical Design. ICMD 2017. Mechanisms and Machine Science, vol 55. Springer, Singapore. https://doi.org/10.1007/978-981-10-6553-8_6

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  • DOI: https://doi.org/10.1007/978-981-10-6553-8_6

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  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-10-6552-1

  • Online ISBN: 978-981-10-6553-8

  • eBook Packages: EngineeringEngineering (R0)

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