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A theoretical and experimental investigation of the BTA deep hole tool support in the machining zone

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A theoretical and experimental investigation of the BTA deep hole tool support in the machining zone

Kojic, Sinisa (1997) A theoretical and experimental investigation of the BTA deep hole tool support in the machining zone. Masters thesis, Concordia University.

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Abstract

Self-piloting tools feature the unique use of two support pads and the surrounding hole as a guide bushing to steer itself along the hole being machined. The piloting hole, in conjunction with the two support pads, provides for the tool balance in the hole transverse cross-section. However, in the axial section plane, the tool alignment with the piloting hole depends on the boring bar to which the tool appears as a solid extension. This study shows that the alterations in the output quality and the support pads' wear pattern can be explained by in-process encountered boring bar bending. This is because even minor inclinations near the tool tip appear significant when considered in the small front-end area of the support pads where burnishing occurs. The study is to explain the inherent feature of the conventional self-piloting tool design to deflect the boring bar in 3D enough to make a difference between the effective area involved in burnishing and the area as designed.

Divisions:Concordia University > Faculty of Engineering and Computer Science > Mechanical and Industrial Engineering
Item Type:Thesis (Masters)
Authors:Kojic, Sinisa
Pagination:xii, 110 leaves : ill. ; 29 cm.
Institution:Concordia University
Degree Name:Theses (M.A.Sc.)
Program:Mechanical and Industrial Engineering
Date:1997
Thesis Supervisor(s):Latinovic, V. N
ID Code:223
Deposited By:Concordia University Libraries
Deposited On:27 Aug 2009 13:10
Last Modified:08 Dec 2010 10:13
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