Modification and Testing of Advanced Hydraulic Cutting Tools for Use in an Arctic Environment

2001 ◽  
Author(s):  
R. Jon Stouky ◽  
Andrew R. Griffith ◽  
Barry J. Spargo ◽  
Michael R. Walsh ◽  
Paul H. Krumrine ◽  
...  
Keyword(s):  
Metal Cutting ◽  
Cutting Tools ◽  
Volume Reduction ◽  
Metal Scrap ◽  
Cold Regions ◽  
Arctic Environment ◽  
The Us ◽  
Arctic Conditions

Abstract An assessment was performed of Russian needs and capabilities related to decommissioning wastes from nuclear submarines. Hydraulically operated hand-held metal cutting tools can provide improved productivity and safety during the size and volume reduction of bulky metal scrap. Such tools are commercially available in the US, but not in Russia. Also, they have not been previously deployed in Arctic conditions. A system of metal cutting and spreading tools has been procured, modified and successfully tested at the Cold Regions Research and Engineering Laboratory (CRREL), and are now being deployed to Russia’s Northern Fleet.

scholarly journals Comparative tests of the metal cutting tools performance in the processing of stainless steels

2018 ◽  
Vol 441 ◽  
pp. 012052
Author(s):  
I V Shvetsov ◽  
B Ya Mokritskij ◽  
O A Malukhina ◽  
A H Rahmonov ◽  
V N Belyakov
Keyword(s):  
Stainless Steels ◽  
Metal Cutting ◽  
Cutting Tools ◽  
Comparative Tests

Steady-State Thermal Stresses in Wedge-Shaped Cutting Tools

1975 ◽  
Vol 97 (3) ◽  
pp. 1060-1066
Author(s):  
P. F. Thomason
Keyword(s):  
Thermal Stress ◽  
Steady State ◽  
Metal Cutting ◽  
Thermal Stresses ◽  
Heat Conduction Problem ◽  
Equivalent Stress ◽  
Cutting Tools ◽  
Thermoelastic Stress ◽  
Plastic State ◽  
Steady State Heat

Closed form expressions for the steady-state thermal stresses in a π/2 wedge, subject to constant-temperature heat sources on the rake and flank contact segments, are obtained from a conformal mapping solution to the steady-state heat conduction problem. It is shown, following a theorem of Muskhelishvili, that the only nonzero thermal stress in the plane-strain wedge is that acting normal to the wedge plane. The thermal stress solutions are superimposed on a previously published isothermal cutting-load solution, to give the complete thermoelastic stress distribution at the wedge surfaces. The thermoelastic stresses are then used to determine the distribution of the equivalent stress, and this gives an indication of the regions on a cutting tool which are likely to be in the plastic state. The results are discussed in relation to the problems of flank wear and rakeface crater wear in metal cutting tools.

Hard Nano-Crystalline Coatings for Cutting Tools

2007 ◽  
Vol 567-568 ◽  
pp. 185-188 ◽  
Author(s):  
Miroslav Piska
Keyword(s):  
High Speed ◽  
Metal Cutting ◽  
Cutting Tool ◽  
Cutting Tools ◽  
Dry Cutting ◽  
Nano Crystalline ◽  
The Right ◽  
Machining Productivity ◽  
Hard Cutting ◽  
Cutting Tool Materials

Modern trends in metal cutting, high speed/feed machining, dry cutting and hard cutting set more demanding characteristics for cutting tool materials. The exposed parts of the cutting edges must be protected against the severe loading conditions and wear. The most significant coatings methods for cutting tools are PVD and CVD/MTCVD today. The choice of the right substrate or the right protective coating in the specific machining operation can have serious impact on machining productivity and economy. In many cases the deposition of the cutting tool with a hard coating increases considerably its cutting performance and tool life. The coating protects the tool against abrasion, adhesion, diffusion, formation of comb cracks and other wear phenomena.

Nanostructural wear-resistant coatings produced on metal-cutting tools by electric-arc evaporation and magnetronic sputtering

2010 ◽  
Vol 30 (9) ◽  
pp. 910-920 ◽  
Author(s):  
F. V. Kiryukhantsev-Korneev ◽  
N. A. Shirmanov ◽  
A. N. Sheveiko ◽  
E. A. Levashov ◽  
M. I. Petrzhik ◽  
...  
Keyword(s):  
Metal Cutting ◽  
Cutting Tools ◽  
Electric Arc ◽  
Wear Resistant ◽  
Wear Resistant Coatings ◽  
Arc Evaporation

Machining and Grinding: A Historical Review of the Classical Papers

1993 ◽  
Vol 46 (3) ◽  
pp. 80-132 ◽  
Author(s):  
R. Komanduri
Keyword(s):  
Metal Cutting ◽  
Historical Review ◽  
Living Standards ◽  
Michael Field ◽  
Tool Materials ◽  
The Us ◽  
Giant Step ◽  
Grinding Tool ◽  
Manufacturing Productivity ◽  
American Classic

Major contributions to machining and grinding research in the US came in the twentieth century. The seminal work by Frederick Winslow Taylor on the Art of Cutting Metals published in 1907 was the beginning of a series of serious and systematic studies on the various aspects of metal cutting and grinding in this century. This monumental work, which became an American classic, continues to inspire many a researcher in this field even today. It was followed by the works of other pioneers, including Orlan W Boston, Hans Ernst, M E Martellotti, Max Kronenberg, M Eugene Merchant, Milton C Shaw, Michael Field, John Kahles, K J Roubik, K Armitage, Ken Trigger, B T Chao, Alfred Schmidt, William W Gilbert, Fran Boulger, Lester Colwell, Carl Oxford, Erich Thomsen, Robert Hahn, and many others. Many of the associates of the pioneers including Nathan Cook, Iain Finnie, B F von Turkovich, Shiro Kobayaski, Inyong Ham, E Loewen, and others including W B Rice, S M Wu, and J Tlusty have made significant contributions to these fields in their own right. There is no doubt that this century will be heralded by the historians as the golden age of metal cutting and grinding research, particularly the period between 1940 and 1960. It was, however, M Eugene Merchant’s paper on the Basic Mechanics of the Metal Cutting Process in 1945 that took a giant step from the art of metal cutting to the science of metal cutting. This work laid the foundation for much of the work that is practiced today. It can be stated unequivocally that because of the significant contributions by the pioneers and their associates, metal cutting and grinding research today is rich in its heritage and contents, and has contributed towards the improvement of manufacturing productivity. It has thereby facilitated the improvement of living standards around the world. In this review, the following ten topics are addressed briefly: Physics of Machining; Mechanics of Machining; Shear and Friction in Machining; Thermal Aspects of Machining and Grinding; Tool Materials, Tool Wear, and Machinability; Multiple Cutting Points; Grinding; Vibrations in Machining; Surface Integrity; and Economics of Machining.

Development of Cutting Tools With Micro-Textured Surface for High Speed Machining of Ti-6Al-4V

2021 ◽  
Author(s):  
Mitsuru Hasegawa ◽  
Tatsuya Sugihara
Keyword(s):  
Tool Life ◽  
High Speed ◽  
Metal Cutting ◽  
Failure Process ◽  
Cutting Tools ◽  
Cutting Temperature ◽  
Cutting Speed ◽  
Cutting Fluid ◽  
Textured Surface ◽  
Textured Surfaces

Abstract In cutting of Ti-6Al-4V alloy, the cutting speed is limited since a high cutting temperature leads to severe tool wear and short tool life, resulting in poor production efficiency. On the other hand, some recent literature has reported that various beneficial effects can be provided by forming micro-textures on the tool surface in the metal cutting process. In this study, in order to achieve high-performance machining of Ti-6Al-4V, we first investigated the mechanism of the tool failure process for a cemented carbide cutting tool in high-speed turning of Ti-6Al-4V. Based on the results, cutting tools with micro textured surfaces were developed under the consideration of a cutting fluid action. A series of experiments showed that the textured rake face successfully decreases the cutting temperature, resulting in a significant suppression of both crater wear and flank wear. In addition, the temperature zone where the texture tool is effective in terms of the tool life in the Ti-6Al-4V cutting was discussed.

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