if the diameter of the drill bit increases with the same spindle speed, wear rate will increase or decrease. give reasons.
The attached reference will give you a good understanding of the use of Taylor's equation, and its implications for variables such as tool wear.
The cutting parameter of interest in your question is cutting speed, which is a function of spindle speed and cutting tool diameter.
When you speak about spindle speed, which is the unit: m/min or rpm?
1. Adebayo, B. and Akande, J. M. (2015). “Analysis of Button Bit Wear and Performance of Down-The-HolebHammer Drill”, Ghana Mining Journal, Vol. 15, No. 2, pp. 36 - 41.
2. J.Pradeep Kumar, P.Packiaraj..EFFECT OF DRILLING PARAMETERS ON SURFACE ROUGHNESS, TOOL WEAR, MATERIAL REMOVAL RATE AND HOLE DIAMETER ERROR IN DRILLING OF OHNS. IJAERS/Vol. I/ Issue III/April-June, 2012/150-154.
3. Kuru, Ergun, "Effects of Rock/Cutter Friction on PDC Bit Drilling Performance: An Experimental and Theoretical Study." (1990).LSU Historical Dissertations and Theses. 4927.http://digitalcommons.lsu.edu/gradschool_disstheses/4927
4. Norberto Feito, Antonio Diaz-A ´ lvarez, Jose ´ L Cantero, Marcos Rodrı ´guez-Milla ´n and Henar Migue ´lez.Experimental analysis of special tool geometries when drilling woven and multidirectional CFRPs. Journal of Reinforced Plastics.and Composites 2016, Vol. 35(1) 33–55
5. Thomas Ong'au MiyoraMODELLING AND OPTIMIZATION OF GEOTHERMAL DRILLING PARAMETERS - A CASE STUDY OF WELL MW-17 IN MENENGAI, KENYA. United Nations University;MSc thesis,2014.
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