Paper Details

A screw jack serves to give mechanical advantage by changing rotational force to linear force thus allowing oneto lift a load and support it at a given height. The aim of the paper is to come up with a design procedure for a simple screwjack and coding in Matlab to form a program that would require one to enter the mechanical properties of the materials to beused, lift and the desired load to be supported. This case study is divided into various sections that describes classification ofscrew threads, parts of the screw jack and selection of materials used for construction that are in agreement with currentindustry practice of screw jack design. The codingof the design procedures using Matlab was developed to serve the samefunction fast and efficient. This is realized as we obtained the similar theoretical and Matlab solutions as coded. Applicationof the procedure manually is tedious and extraneous since its lengthy and time consuming. Using Matlab for the same makeswork easier, efficient and fast for designers since only material properties and specific design requirements such as lift andload are the only required input. The significance and purpose of this work is to modify the design methodology of screw jackin order to make the operation easier, safer and more reliable in order to reduce health risks.The designingof screw jack willalso save time and requires less human energy to operate. The design when adopted will effectively curb the problemsassociated with Ergonomics - which is a fundamental concept of design process.

Akshay Shrishrimal, Pranav Patil, Ritesh Mane, “Design and Optimization of Mechanical Screw JackUsing Matlab Program”, International Journal of Advance Engineering and Research Development (IJAERD), Vol. 5, Issue 1, pp. 333-345, January 2018.