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Authors
Affiliations
1 Machine Tools Laboratory, Production Engineering Section, Indian Institute of Technology, Madras-36, IN
Source
Journal of the Association of Engineers, India, Vol 62, No Spl (1987), Pagination: 13-20
Abstract
Boring Trepanning Association (B. T. A) drills are capable of machining holes having a large length to diameter ratio in a single pass. This is a unique self piloted operation in which cutting and burnishing are both carried out at the same time. Wear studies on B. T. A drill reveal quite useful information regarding its life and performance.
This paper deals with wear studies on 20 mm diameter B. T. A. drill (solid boring) Heller design using EN 9 steel work samples. The studies include the flank and crater wear on the cutting edge, circular land wear and the supporting pad wear. The variation of wear with respect to cutting time for different speeds and feeds has been reported.
