Tài liệu Fundamentals of Machine Design P5 doc

... At the end of this lesson, the student should be able to understand • Elements of force system at a beam section. • Superposition of axial and bending stresses. • Transformation of plane stresses; ... 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...

Ngày tải lên: 25/12/2013, 23:18

... 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 ... 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 de...

Ngày tải lên: 25/12/2013, 23:18

... 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, ... 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...

Ngày tải lên: 25/12/2013, 23:18

... 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, 3 rd edition, b...

Ngày tải lên: 25/12/2013, 23:18

... Bending of a knuckle pin 4. Failure of rod eye in shear: ( ) 21 ddtP−τ= 5. Failure of rod eye in crushing: 1c dt Pσ= 6. Failure of rod eye in tension: ( ) 21t ddt P−σ= 7. Failure of ... 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...

Ngày tải lên: 25/12/2013, 23:18

... 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. ... 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 D...

Ngày tải lên: 23/01/2014, 04:20

... junctions we ld weld 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 ... 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 defo...

Ngày tải lên: 27/01/2014, 14:20

... 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...

Ngày tải lên: 27/01/2014, 14:20

... 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....

Ngày tải lên: 27/01/2014, 14:20

... Direct shear of magnitude lt F 2 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 ... the centroid of the throat section has magnitude J FLr = τ , where J is the polar moment of area of the throat section and L is the eccentricity of the load. From the geo...

Ngày tải lên: 27/01/2014, 14:20