Tài liệu Fundamentals of Machine Design P8 doc

... 3.2.1.4F- Variation of theoretical stress concentration factor with r/d of a stepped shaft for different values of D/d subjected to uni-axial loading (Ref.[2]). In design under fatigue loading, ... defined as fEndurance limit of notch free specimenskEndurance lim it of notched specimens= Another term called Notch sensitivity factor, q is often used in design and this is defined as ... change in length of 0.2 mm. Determine the maximum stress developed in the bar. Take E= 200 GPa. 3.2.4.1F A.1: Total change in length of the bar is made up of three components...

Tài liệu Fundamentals of Machine Design P5 doc

... section X-X, Q the first moment of area, I the moment of inertia, t the width at which transverse shear is calculated, J the polar moment of inertia and r the radius of the circular cross-section. ... any section a compressive stress of π24Fd and a bending stress of MyI are produced. Here d is the diameter of the circular bar, I the second moment of area and the moment is PL2 ... Solving we get the value of shaft diameter d = 63.4 mm. 2.2.8 Summary of this Lesson The stresses developed at a section within a loaded body and methods of superposing similar stresses...

Tài liệu Fundamentals of Machine Design P7 docx

... Summary of this Lesson Different types of loading and criterion for design of machine parts subjected to static loading based on different failure theories have been demonstrated. Development of ... based on a particular failure criterion. Theories of failure are essentially a set of failure criteria developed for the ease of design. In machine design an element is said to have failed if it ... properties. 3.1.3 Theories of failure When a machine element is subjected to a system of complex stress system, it is important to predict the mode of failure so that the design methodology may...

Tài liệu Fundamentals of Machine Design P10 docx

... Design of machine elements by M.F.Spotts, Prentice hall of India,1991. 2) Machine design- an integrated approach by Robert L. Norton, Pearson Education Ltd, 2001. 3) A textbook of machine design ... S.K.Kataria and sons, 1998. 4) Mechanical engineering design by Joseph E. Shigley, McGraw Hill, 1986. 5) Fundamentals of machine component design, 3rd edition, by Robert C. Juvinall and Kurt ... At the end of this lesson, the students should be able to understand • Design of components subjected to low cycle fatigue; concept and necessary formulations. • Design of components...

Tài liệu Fundamentals of Machine Design P12 doc

... Bending of a knuckle pin 4. Failure of rod eye in shear: ( )21ddtP−τ= 5. Failure of rod eye in crushing: 1cdt Pσ= 6. Failure of rod eye in tension: ( )21tddt P−σ= 7. Failure of ... Objectives At the end of this lesson, the students should have the knowledge of • A typical cotter joint, its components and working principle. • Detailed design procedure of a cotter joint. • ... tensile or compressive forces along the axes of the rods. Examples of cotter joint connections are: connection of piston rod to the crosshead of a steam engine, valve rod and its stem etc....

Tài liệu Fundamentals of Machine Design P22 docx

... and Gupta J.K., Text book on Machine Design, Eurasia Publishing House, New Delhi. 4. Sharma, C.S. and Purohit Kamalesh, Design of Machine Elements, Prentice Hall of India, New Delhi, 2003. ... for shaft For the design of shaft following two methods are adopted, Design based on Strength In this method, design is carried out so that stress at any location of the shaft should ... included. Design based on Stiffness Basic idea of design in such case depends on the allowable deflection and twist of the shaft. Version 2 ME , IIT Kharagpur 8.1.5 Design based...

Tài liệu Fundamentals of Machine Design P25 docx

... junctions we ldweld 9.2.2.4F- Method of construction of multilayered cylinder 3. Autofrettage In some applications of thick cylinders such as gun barrels no inelastic deformation ... find the radial displacements of the cylinder walls at the contact we consider that (ru1rEθθ)ε== σ−νσ. This gives the radial displacement of the inner wall of the outer cylinder as 22ss ... known as Self- hooping or Autofrettage. This allows the cylinder to operate at higher fluid pressure. For a given autofrettage fluid pressure a given amount of inelastic deformation is produced...

Tài liệu Fundamentals of Machine Design P26 doc

... textbook of machine design by P.C.Sharma and D.K.Agarwal, S.K.Kataria and sons, 1998. 4) Mechanical engineering design by Joseph E. Shigley, McGraw Hill, 1986. 5) Fundamentals of machine component ... cylinders with autofrettage have also been derived. Finally comparisons of different failure criterion have been discussed. 9.3.4 References for Module-9 1) Design of machine elements ... be a complete design methodology. 9.3.2 Problems with Answers Q.1: Determine the necessary thickness of the shell plates of 2.5m diameter boiler with the internal pressure of 1MPa. The...

Tài liệu Fundamentals of Machine Design P27 doc

... Often small machine components are joined together to form a larger machine part. Design of joints is as important as that of machine components because a weak joint may spoil the utility of ... Objectives: At the end of this lesson, the students should be able to know: • Basic types of riveted joints. • Different important design parameters of a riveted joint. • Uses of riveted joints. ... centers of rivets in adjacent rows of zigzag riveted joint. (usual symbol dp) d) Margin or marginal pitch: This is the distance between the centre of the rivet hole to the nearest edge of the...

Tài liệu Fundamentals of Machine Design P33 doc

... Direct shear of magnitude ltF2 where l = length of the weld t = thickness of the throat. (b) Indirect shear stress owing to eccentricity of the loading. The magnitude and direction of the ... IIT Kharagpur Module 11 Design of Joints for Special Loading Version 2 ME , IIT Kharagpur Lesson 2 Design of Eccentrically Loaded Welded Joints Version ... finds ∫= FLdArr)(τ, where L = distance of the line of action of F from centroid. Thus, JFLc=, where ∫= dArJ2 is the polar moment of the throat section about its centroid. ...

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