A REVIEW PAPER ON DRILL BIT FOR DRILLING MACHINE

Drilling is one of the most common techniques used in any of the manufacturing process. And one of drilling prominent part is the drill bit. It decides the position, material, pressure and speed of Drilling in most possible ways. So, the selection of drill bit is done with an extreme precision to decide drilling efficiency and proper working throughout. The factors which affect drilling can be mentioned as the drill bit material strength, shape of drill bit, surface of contact and material thermal expansion along with the drilling temperature, time delay factor as well as hole accuracy of drill bit. This mechanical operation solely depends on the tool i.e., drill bit and even affecting the force projectile as well as speed of the Drilling mechanism directly. In this paper, understanding of drill bit types and their effect on drilling mechanism is studied.