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

International Conference on Advances in Manufacturing, Materials and Energy Engineering 2018

材料科学;能源学

Karthik, A.V.^1 ; Bharath, G.J.^2 ; Umashankar, H.P.^2 ; Behera, Upendra^2

Manipal Institute of Technology, MAHE, Manipal, India^1

Indian Institute of Science, Bangalore, India^2

关键词: Handling capacity;    Iterative process;    Maximum torque;    Screw head;    Slot shapes;    Up gradations;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/376/1/012083/pdf
DOI  :  10.1088/1757-899X/376/1/012083

学科分类：材料科学（综合）

来源: IOP

【 摘 要 】

A Grub screw is a type of screw generally used to lock an object within or against another object. These screws are headless and mainly used in all types of gears and shaft. The following work is based on optimization of the strength of flat slotted screw head with different slot shapes. In the paper, we have considered samples of 3 different slotted flat headed grub screw profile with their corresponding screwdriver profile. The aim was to obtain the maximum torque handling capacity among the identified slot shapes. An iterative process involving design upgradation and finite element analysis was carried out. For this purpose validation of the FEA was performed by torsion testing of the specimen in the torsion testing machine.The results showed that 17° slotted angle grub screw gives better torque handling capacity than 0° slot angle. The study shows that a variation in the slot shape of a grub screw can influence the torque handling capacity.