AProject Presentation

OnDESIGN AND STRESS ANALYSIS OF CRANE HOOK

submitted toUniversity of Mumbai

in partial fulfillment of the requirement for the degree ofBachelor of Engineering (Mechanical)

submitted by1. Kunal Kavathankar 2. Suraj Ukarde

3. Subodh Sawant 4. Ajay Shinde

Under the Guidance ofBhatkar O. P.

DEPARTMENT OF MECHANICAL ENGINEERING,RAJENDRA MANE COLLEGE OF ENGINEERING & TECHNOLOGY, AMBAV (DEVRUKH)

PIN-415804, 2014-15

IntroductionNeed of the project• Computer aided design and analysis of hook.

Scope of the project• Find out the optimum material for designing a crane hook which would lift

maximum amount of load with the minimum effect of stresses.

Methodology The analysis is carried out in two phase: 1. FEA of an approximate model and its verification by Taguchi Method 2. Analytical analysis as the hook is a curved beam

Expected outcome3. By this proposed work eventually the life and the strength of the crane

hook will be increased. 4. By this proposed dissertation work, a clear idea of variation in stresses

between theoretical, experimental and FEA results can be established.

Review of Literature

• E. Narvydas et. al[1] , investigated circumferential stress concentration factors

• Rashmi Uddanwadiker[2], studied stress analysis of crane hook using finite element method and validated results using Photo elasticity.

• Santosh Sahu and et. al[3]; they designed an experiment in which the varying the length of two parallel sides of the Trapezoidal Hook

• Govind Narayan Sahu and Narendra Yadav[5]; investigated that, the Stress induced and displacement in “Modified Curved Hook”

• Mr. A. Gopichand, et. al[6]; investigated on the optimization of design parameters using Taguchi method

• Ajeet Bergaley and Anshuman Purohit[7]; they investigated that Maximum Stress is generated at the point on the hook

Aims & Objectives

• Calculate the stresses produced in Crane Hook of different materials at different cross-sections.

• Von-misses stresses at different cross-sections FEA analysis of Crane Hook.

• Analytical and FEA results to find best suitable material for high load condition

• Increase the life and the strength of the crane hook. • Stresses between theoretical, experimental and FEA

results can be established.

Basic Theory Finite Element Method :The finite element method (FEM) is a numerical technique for finding approximate solutions of partial differential equations as well as of integral equations.Finite element Modeling :Finite element analyses were performed using ANSYS to simulate the deflection and stress of Crane hook. ANSYS includes general-purpose solid elements as well as elements that are valid for solid.Taguchi Method :A method based on ‘Orthogonal Array’ experiments which gives much reduced variance for the experiment with ‘Optimum settings’ of control parameters.

Design Calulations

Meshed model of crane hook • Meshing Details :-• No of Elements :398388• No of nodes :883955• Mesh method :Trapezoidal • Mesh size :5mm• Inflation :-• Faces :108 • Transition : smooth• Maximum Layer :5

Deformation Analysis

Stress Analysis

Results & Discussion

Taguchi approach for this designThe experiments were done with varying Load and Materials.

Taguchi Results

Conclusion

We can state that maximum stress induced is 143.31 MPa and the deformation induced is 1.5452 mm for material AISI 4340 which is having percentage error of 5.21 comparing with the analytical results.

Facilities available

• Following facilities are available in order to complete this project work.

Work distribution sheet

References• Mr. A. Gopichand, Ms. R. V. S. Lakshmi, Mr. B. Maheshkrishna, “Optimization Of

Design Parameters For Crane Hook Using Taguchi Method”, International Journal of Innovative Research in Science, Engineering and Technology (An ISO 3297: 2007 Certified Organization)Vol. 2, 2319-8753, Issue 12, December 2013.

• Mr. A. Gopichand, Ms. R.V.S.Lakshmi, Mr. B. Maheshkrishna, “Optimization Of Design Parameters For Crane Hook Using Taguchi Method”, International Journal of Innovative Research in Science, Engineering and Technology (An ISO 3297: 2007 Certified Organization)Vol. 2, ISSN: 2319-8753, Issue 12, December 2013.

• Ajeet Bergaley, Anshuman Purohit “Structural Analysis of Crane Hook Using Finite Element Method”, International Journal of Science and Modern Engineering (IJISME) ISSN: 2319-6386, Volume-1, Issue-10, September 2013.

• Patel Paresh and NiravKamdar, “Design and Analysis of Major Component of 120 Tones Capacity of EOT Crane” 2014 IJEDR, Volume 2, Issue 2, ISSN: 2321-9939; 2014.

• T. Muromaki, K. Hanahara, Y. Tada, S. Kuroda and T. Fukui “Estimating load condition having caused structure failure and an optimal design taking account of the estimated result” 5th International Conference on Reliable Engineering, 387-406, 2012.

• Narvydas E., Puodziuniene N., Circumferential stress concentration factors at the asymmetric shallow notches of the lifting hooks of trapezoidal cross-section. Mechanika, Volume 18(2): 152-157, 2012.