This content is not included in
your SAE MOBILUS subscription, or you are not logged in.
A Methodology for Establishing a Machinability Database for Hot Rolled Steel Bar
Annotation ability available
Sector:
Language:
English
Abstract
A single point turning test method for establishing a generalized machinability database for bar steels is proposed by the Bar Application Group of the American Iron and Steel Institute. A unique aspect of this work is the large number of participants including steel companies, steel users, machining laboratories, and a tool manufacturer. The proposed test methodology to evaluate steel machinability, based on ISO 3685, is outlined. Variability in tool life data has been evaluated through a controlled round-robin test program for three steel grades: SAE1141, SAE1541, and SAE4140. Major factors contributing to variability in tool life studies include (1) machine dynamics, (2) tool wear measurement methods, and (3) premature tool failure prior to reaching a specified wear criterion. After addressing these factors, it is felt that the proposed test method can provide adequate single point turning test results to aid in the material selection process. Although work is ongoing to further understand and reduce the variability among the test laboratories, fourteen additional steel grades are currently being evaluated using the proposed guidelines.
Authors
Topic
Citation
Brusso, J. and Marchwica, M., "A Methodology for Establishing a Machinability Database for Hot Rolled Steel Bar," SAE Technical Paper 970518, 1997, https://doi.org/10.4271/970518.Also In
References
- Clark Joel P. Field Frank R. Nallicheri Narayan V. “Engine State-of-the-Art: A Competitive Assessment of Steel” MIT August 1989
- Tonshoff H. S. Winkler H. VDI-Z 124 1982 481 482
- International Standard Tool-life testing with single point turning tools First 1977 05 15
- Tipnis V. A. Joseph R. A. Influence of Metallurgy on Machinability American Society for Metals 1975 11 30
- Sata Toshio Murata Ryoji Akasawa Tadahisa International Symposium on Influence of Metallurgy on the Machinability of Steel Conference Proceedings The Iron and Steel Institute of Japan and American Society for Metals Sept. 26-28 1977 357 379
- Taylor F. W. “On the Art of Cutting Metals” Trans. ASME 28 1906 31 350
- “Machine Condition Signature Analysis Characterization of Turning Operation, AISI Project” Alpha Manufacturing Development Center, Ford Motor Company March 1994