The selection of cutting tool geometry and cutting conditions plays a major part in the planning of machining operations affecting the productivity. Although there are several classifications used by tool manufacturers, carbide inserts for face milling can be categorised according to their cutting edge angle. In this study, the material removal performance of square, round and high-feed inserts, which all have different cutting edge angles, was investigated through cutting trials conducted without coolant on forged SA508 Gr.3 Cl.2. Predictive tool life models for round and high-feed inserts were developed by means of the response surface methodology and their adequacy was checked through the analysis of variance. Cutting speed versus feed per tooth contour plots are presented against predicted tool life values which facilitate the selection of cutting conditions ensuring desired tool life. The experimental data has demonstrated that using inserts with lower cutting edge angle would significantly improve cycle times especially in the rough milling stage where the surface integrity is not of primary interest. However, it should be taken into account that limitations exist mainly due to the process stability and capabilities of machine tools.
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ASME 2018 Pressure Vessels and Piping Conference
July 15–20, 2018
Prague, Czech Republic
Conference Sponsors:
- Pressure Vessels and Piping Division
ISBN:
978-0-7918-5167-8
PROCEEDINGS PAPER
Investigation of the Performance of Different Face Milling Inserts to Improve Rough Milling of SA508 Grade 3 Forgings Available to Purchase
Ozan Gurdal,
Ozan Gurdal
University of Sheffield, Catcliffe, UK
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Andrew Wright,
Andrew Wright
University of Sheffield, Catcliffe, UK
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Charles Carpenter,
Charles Carpenter
University of Sheffield, Catcliffe, UK
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Michael Blackmore
Michael Blackmore
Sheffield Forgemasters International Ltd., Sheffield, UK
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Ozan Gurdal
University of Sheffield, Catcliffe, UK
Andrew Wright
University of Sheffield, Catcliffe, UK
Charles Carpenter
University of Sheffield, Catcliffe, UK
Michael Blackmore
Sheffield Forgemasters International Ltd., Sheffield, UK
Paper No:
PVP2018-84337, V06AT06A013; 9 pages
Published Online:
October 26, 2018
Citation
Gurdal, O, Wright, A, Carpenter, C, & Blackmore, M. "Investigation of the Performance of Different Face Milling Inserts to Improve Rough Milling of SA508 Grade 3 Forgings." Proceedings of the ASME 2018 Pressure Vessels and Piping Conference. Volume 6A: Materials and Fabrication. Prague, Czech Republic. July 15–20, 2018. V06AT06A013. ASME. https://doi.org/10.1115/PVP2018-84337
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