Title

A Study of Computer Assisted Analysis of Effects of Drill Point Geomerical Features on Forces and Power in Drilling with general purpose twist drills

Document Type

Journal Article

Publisher

MM Publishing Ltd.

Faculty

Regional Professional Studies

School

Regional Professional Studies, Centre for Sustainable Regional Futures

RAS ID

5425

Comments

This article was originally published as: Audy, J. (2008). A Study of Computer Assisted Analysis of Effects of Drill Point Geomerical Features on Forces and Power in Drilling with general purpose twist drills. MM Science in MM Prumyslove Spectrum, 4(1), 4 - 9.Original article available here.

Abstract

This paper presents results of a systematic - computer assisted - study focused on determining, and describing, from a mathemafical point of view, the relationship between the drill point geometrical features and predicted performance measures as assessed by the cutting forces (thr,tlst and torque) and cutting power when drilling a Type Bisalloy 360 steel work-piece material with general purpose twist (GPT) drills. The current study presents an innovative predictive strategy for eliminating the need of experimental testing when comparing drilling performance of GPT drills. It employs an advanced computer assisted model to analyse the rake angle distribufions along the drill lips and the chisel edge regions when changing the six main individual drill point geometrical features (0, 2W, °0 , \V, Clo' and 2P) in the software input and looking af their effects on the generation of thrust, torque and power in drilling. It is expected that this sort of information may be used to assist in optimisation of the cutting performance of drills via advances through the modification of drill point geometrical features

Access Rights

free_to_read