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Static Structural Analysis of the Crane Hook using Ansys

[Vishal A. Rane, Ganesh V. Patil] Volume 3: Issue 2, August 2016, pp 25 - 30
Abstract— Material handling equipments are an eminent part of the human life. Cranes are amongst one of the material handling equipment which finds wide applications in different fields of engineering. The present work is an effort to cover complete design and analysis of industrial crane (EOT) of 63T/20T capacity. In this work the stress analysis of four major loads bearing components; lifting hook, trunnion, pulley supporting plate and main girder is carried out. The finite element analysis has been carried out for the rated load condition with some impact factor. Maximum stress and deformation locations were obtained for each of the components to check the validity of design values. The design and analysis results were validated by comparing with literature & calculation results.
Index terms- Industrial crane (EOT), design, analysis. element.
[1] Zuberi Rehan H, Kai Long, Zuo Zhengxing, "Design Optimization of EOT Crane Bridge", International Conference on Engineering Optimizationm, Rio de Janeiro, Brazil, 2008, pp. 1-9
[2] Alkin C., Imarak C. E, Kocabus H., "Solid Modeling and Finite Element Analysis of an Overhead Crane Bridge". Acta Polytechnica Vol. 45 No. 3 ,2005, pp. 61- 67.
[3] Gerdemeli Ismail, Kurt Serpil, Yildirım Metin,"Calculations, modeling and analysis with finite element method of rubber tyred container stacking", Trends in the Development of Machinery and Associated Technology. Mediterranean, Cruise, 11-18 September 2010, pp. 545-548
[4] Maharana Pradyumna keshari, “Computer aided analysis and design of hoisting mechanism of an EOT crane‖, NIT, Rourkela, 2012.
[5] Camelia Bretotean Pinca, G. O, "Finite element analysis of an overhead crane bridge". 2nd WSEAS Int. Conf. on Finite Differences, Finite Elements, Finite Volumes, Boundary Elements, Timişoara: ―Politechnica‖ University, Romania, 2005, pp. 51-56
[6] Jat, H. R., "Design & analysis of 150T capacity EOT crane". ESSAR Steel, Surat: 2012.
[7] Karmakar R., Mukharjee A., "Electric overhead cranes subjected to sever dynamic loading",1989, pp-56-63.
[8] Duggal, S. K., “Design of Steel Structure”, Tata McGraw Hill, NewDelhi, 1960
[9] Uddanwadiker, Rashmi, "Stress Analysis of Crane Hook and Validation by Photo-Elasticity", review from july27-aug12, Scientific research,2005, pp.935-941.
[10] IS 3177 and IS 4137, ―Codes of practice for electric overhead travelling cranes and Gantry Crane other than steel work cranes (Second revision)‖, 2006.
[11] Shigley J.E., Mischke C.R., “Mechanical Engineering Design”, McGraw Hill, Singapore, 1989.
[12] Oguamanam, D. and Hansen, J. S., ―Dynamics Response of an Overhead Crane System‖; Journal of Sound and Vibration, Vol. 213(5); 1998, pp 889-906.
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Fabrication and Performance Analysis of Water Vortex Power Plant

[Lingaraj.K.Ritti, Pavana Kumara, Ranganatha, Ambarish M.] Volume 3: Issue 2, August 2016, pp 20 - 24
Abstract— Gravitation water vortex power plants offer a new way of making use of the hydropower potential of smaller waterways without causing damage to river environment and aquatic life. Basically, when an existing weir is replaced by a gravitation water vortex power plant that has no weir, that section of the river is also renatured and revitalized, restoring continuity for fish and other river creatures. Gravitation water vortex power plants are small and robust river power plants. They require a minimum water level of 0.7 meters and a minimum water flow of about 1,000 liters per second. The technology used in gravitation water vortex power plants also called water vortex power plants is completely different from that of conventional small hydropower plants with their ponds and turbines. A water vortex plant consists of a circular tank or basin with a central drain. A symmetrical vortex automatically forms above the drain, as it does when we drain water from a bathtub. The vortex drives a vertically placed rotor turbine. This rotor powers a generator that produces electricity and then transmits it to the power grid. There is no backflow or any increase in water pressure, allowing fish to easily swim upstream and downstream through the power plant. The main aim is to generate clean power using Gravitational vortex model by developing a stable system which consists of vortex basin, channel and other components. This system is tested by varying different parameters like input head, input flow rate, depth of the vortex, turbine blades, orifice diameter and the readings are noted down. These readings are used to calculate power, torque and output flow rates and these calculations are used to study the different variations in power and to note down the maximum value of power achieved by varying the above parameters. 

Index Terms— vortex power plant, power, flow rate, turbine vortex depth 
[1] Sezgin Ersoy “Vortex with the formation of electricity generation and system modelling” International Journal of Environmental Science and Development, Vol. 5, No. 2, April 2014. 
[2] Sujate Wanchat, Ratchaphon Suntivarakom et.al “A parametric study of a gravitational vortex power plant” Advanced materials research vol. 805-806, 2013. 
[3] Tze Cheng Kueh, Shiao Lin Beh et.al “Numerical analysis of water vortex formation for the water vortex power plant,” International Journal of Innovation, Management and Technology, Vol. 5, No. 2, April 2014. 
[4] Subash Dhakal, Susan Nakarmi, Pikam Pun et.al “Development and testing of runner and conical basin for gravitational water vortex power plant,” journal of the institute of engineering vol. 10. 
[5] Sagar Dhakal, A. B. Timilsina et.al “Effect of dominant parameters for conical basin: gravitational water vortex power plant”.

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Design and Analysis of Torque Handling Capacity of Slot Headed Grub Screw

[Ravinarayan.R.Rao, Lingaraj.K.Ritti, Pavana Kumara], Volume 3: Issue 2, August 2016, pp 13-19
Abstract—The main objective is to optimization of strength of flat slotted screw head with different slot shapes. These slot shapes are modeled on Solid Edge ST2, mechanical design software and analyzed in ANSYS 14.5, a finite element analysis (FEA) software. The model consists of 3 slotted flat headed grub screw profile with their corresponding screw driver profile. The aim was to obtain the maximum torque handling capacity from among the identified slot shapes. For this purpose, an iterative process involving design up gradation and finite element analysis was done. To validate the model, testing was conducted on the specimen in the Torsion Testing Machine and results were compared. The study shows that a variation in the slot shape of a screw can influence the torque handling capacity Measurement of torque carrying capacity of flat headed screws by varying the slot angles and identify the one that withstands higher torque. The primary objective is to conduct torque test on screw specimen with different slot angles and to identify the slot shape angle that withstands higher torque, and to determine the variation of torque carrying capacity with slot angles, and to carry out Finite Element Analysis (FEA) and to compare the experimental results The purpose of optimizing the slot shape design, an iterative process was carried on. Repetitive analysis on ANSYS® with a change in the design in SOLIDEDGE ST2 was conducted to make sure that failure occurs on the screw head. Methods followed to complete the tasks Identification of slot shape, Design of a grub screw, Holder and Driver Material Selection and properties, Fabrication of specimen, Experimentation conduct using Torsion Machine, Analysis using ANSYS workbench.

Index Terms—Grub screw, Finite Element Method, Torsion machine, Optimization, ANSYS.
[1] Jigar Patel, Sumant Patel, Snehal Patel “A Review On Numerical And Experimental Study Of Screw Conveyor”, International Journal of Advanced Engineering Research and Studies E-ISSN2249–8974. 
[2] Uematsu,T., Nakamura,S., Hino, Y. and Suyama, H. „„A study of the screw conveyor.‟‟ Trans. JSME, 26(162), 180– 186. (1960) 
[3] Don McGlinchey “Bulk Solids Handling: Equipment Selection and Operation” Page No. 197-219 Blackwell Publishing Ltd. ISBN: 978-1-405-15825-1 , 2008 
[4] Chris Rorres “The Turn Of The Screw: Optimal Design Of An Archimedes Screw”, Page : 72-80, Journal Of Hydraulic Engineering, January 2000 
[5] Alma Kurjak, "The vertical screw conveyor- powder properties and Screw conveyor design", SE-221 00 Lund, Sweden, January 2005 
[6] Yoshiyuki Shimizu, Peter A.Cundall “Dem Simulations Of Bulk Handling By Screw Conveyors” J. Eng. Mech. 127:864-872. 2001

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