BURR FORMATION MECHANISMS DURING SLOT-END MILLING OPERATIONS FOR LOW CARBON AND STAINLESS STEELS

Author(s): 

S. A. Amin Alrabii

Affiliation(s): 

Mechanical Engineering Department, University of Technology-Baghdad-Iraq

*Corresponding Author Email: alrabiee2002@yahoo.com

This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Understanding of burr formation mechanism is essential in order to reduce the deburring cost by minimizing the burr formation. And, to avoid or minimize the burr formation during cutting, it is necessary to realize the relationship between the burr formation mechanism and the cutting parameters involved in the machining operations. This paper is first concerned with a general review on the milling burrs, including classification of burr types, mechanisms of milling burr formation and cutting conditions, and types of burr measurement. Therefore, this research is an attempt to investigate experimentally the effect of using a wide range of speeds, feed, and cutting depths on the mechanism of formation of burr in slot-end milling operations of low carbon and stainless steels using HSS cutting tools and cutting fluids. Also, this study was focused on the influence of these cutting parameters on the burr size and type. Thus, burr heights were measured at different machining conditions and the data obtained for low carbon steel were compared with those for stainless steel. The quantitative measurements provide much useful information because of relatively uniform small burrs formed over the used cutting conditions. However, the burr heights in general were minimized over the used cutting conditions for both materials.