Page 105 - Analysis and Design of Machine Elements
P. 105

Steps         Computation                   Detachable Joints and Fastening Methods  83
                                                                                Results
                                                                                            Units
                          4. Check the   (1) To prevent crushing failure of the right bolt     pmax  < [   ]
                                                                                       p
                          connection             (            )
                                               1        k m       M
                                             =    zQ −      F   +
                                          pmax  A   p  k + k  Σv  W
                                                       b   m
                                                1
                                         =             ×(2 × 14674 − 0.8 × 3536)
                                           75 ×(200 − 120)
                                                   530400
                                           +
                                               75  ×(200 − 120 )
                                                        3
                                                             3
                                                200
                                            12 ×
                                                 2
                                         = 5.77MPa < [   ]
                                                    p
                                         (2) To prevent leakage of the left bolt     =      > 0
                                                                    pmin         pmin
                                           (             )
                                         1         k m      M
                                              p
                                         A  zQ −  k + k  F Σv  −  W  = 3.07MPa > 0
                                                  b  m
                          References
                           1 Collins, J.A. (2002). Mechanical Design of Machine Elements and Machines: A Failure

                             Prevention Perspective,1e. NewYork, NY:Wiley.
                           2 Budynas, R.G. and Nisbett, J.K. (2011). Shigley’s Mechanical Engineering Design,9e.
                             New York, NY: McGraw-Hill.
                           3 Juvinall, R.C. and Marshek, K.M. (2011). Fundamentals of Machine Component
                             Design,5e. NewYork, NY:Wiley.
                           4 Mott, R.L. (2003). Machine Elements in Mechanical Design, 4e. Prentice Hall.
                           5 Hindhede, U., Zimmerman, J.R., Hopkins, R.B. et al. (1983). Machine Design Funda-
                             mentals: A Practical Approach.New York,NY: Wiley.
                           6 Oberg, E. (2012). Machinery’s Handbook, 29e. New York, NY: Industrial Press.
                           7 Wen, B.C. (2015). Machine Design Handbook, 5e, vol. 2. Beijing: China Machine
                             Press.
                           8 Pu, L.G. and Ji, M.G. (2006). Mechanical Design, 8e. Beijing: Higher Education Press.
                           9 Xu, Z.Y. and Qiu, X.H. (1986). Machine Elements, 2e. Beijing: Higher Education
                             Press.
                          10 Pilkey, W.D. (1997). Peterson’s Stress-Concentration Factors,2e. NewYork, NY:
                             Wiley.
                          11 Gere, J.M. and Timoshenko, S.P. (1996). Mechanics of Materials, 4e. CL Engineering.
                          12 Parker, A.P. (1981). Mechanics of Fracture and Fatigue: An Introduction.London:
                             E&FN Spon.
                          13 Mechanical properties of fasteners – Bolts, screws and studs. GB/T 3098.1-2010,
                             Standardization Administration of the People’s Republic of China, Beijing, 2011.
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