Design and draw a screw jack for lifting a safe load of 150 kN through a...
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Design and draw a screw jack for lifting a safe load of 150 kN through a maximum lift of 350 mm. The elastic strength of the material of the screw may be taken as 240 MPa in compression and 160 MPa in shear. The nut is to be made of phosphor bronze for which the elastic strengths in tension, compression and shear are respectively 130, 115 and 100 MPa. Bearing pressure between the threads of the screw and the nut may be taken as 18 N/mm?. Safe crushing stress for the material of the body is 100 MPa. Coefficient of friction for the screw as well as collar may be taken as 0.15. a) Find all dimensions and show failure modes/ resisting areas ( 1 points) b) Create a solid model is solidworks (1 points) c) Create engineering drawings for parts and assembly (1 points) d) Perform FEA analysis on part and assembly (2 points) Design and draw a screw jack for lifting a safe load of 150 kN through a maximum lift of 350 mm. The elastic strength of the material of the screw may be taken as 240 MPa in compression and 160 MPa in shear. The nut is to be made of phosphor bronze for which the elastic strengths in tension, compression and shear are respectively 130, 115 and 100 MPa. Bearing pressure between the threads of the screw and the nut may be taken as 18 N/mm?. Safe crushing stress for the material of the body is 100 MPa. Coefficient of friction for the screw as well as collar may be taken as 0.15. a) Find all dimensions and show failure modes/ resisting areas ( 1 points) b) Create a solid model is solidworks (1 points) c) Create engineering drawings for parts and assembly (1 points) d) Perform FEA analysis on part and assembly (2 points)
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Related Book For
Physics
ISBN: 978-0077339685
2nd edition
Authors: Alan Giambattista, Betty Richardson, Robert Richardson
Posted Date:
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