THE STUDY OF GEOMETRY AND THE APPLICATION AREA OF CUTTING TOOL WITH Capto SHANK


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Abstract

The paper covers the issue of rational application of a tool with Capto shank, as well as the conditions for clearance occurrence in the “tool – tool spindle” joint and the dependence of this clearance on the error of manufacturing a hole in the machine spindle.

The authors carried out the calculations of friction and torsion moment when drilling holes using the tool with standard Morse taper shank and Capto shank. Based on these calculations, the first technical limitation was obtained – the dependence of feed threshold ensuring the absence of drill turning in machine spindle on the tool diameter. Taking into account the maximum value of tangential stresses in the drilling tool, second technical limitation was obtained – the dependence of feed threshold on a drill diameter based on the necessary tool strength. These technical limitations were used as a principle to define the areas of rational application of standard tool shanks (Morse taper shank in particular) and Capto shank.

Using the analytic geometry method, the geometry of Capto joint was analyzed and the areas of maximum clearance occurrence in a joint were identified. At a first approximation, the cross section of a joint was displayed as the triangles with rounded corners and the joint total manufacturing error was referred to the vertex angle of a spindle hole. It allowed proving mathematically the area of maximum clearance occurrence and identifying the dependence of maximum clearance on the error of manufacturing a hole in the tool spindle.

About the authors

Lev Aronovich Reznikov

Togliatti State University, Togliatti

Author for correspondence.
Email: levrez@mail.ru

PhD (Engineering), assistant professor of Chair “Equipment and Technology of Engineering Production”

Russian Federation

Artem Tagirovich Kasimov

Togliatti State University, Togliatti

Email: kasim1200000@yandex.ru

student of Chair “Equipment and Technology of Engineering Production”

Russian Federation

Irina Olegovna Bochkareva

NISSAN Manufacturing Russia, Saint Petersburg

Email: ir.bochkareva@rambler.ru

Chassis Senior Engineer

Russian Federation

References

  1. McClarence E. Be a time bandit: make tool changing quicker. Metalworking world, 2007, vol. 3, pp. 6–7.
  2. Livia D., Paul D. A generalized approach of the holder systems for cutting tools. Academic Journal of Manufacturing Engineering, 2011, vol. 9, no. 2, pp. 12–17.
  3. Xiang-yun S., Hong J., Honga-da Z., Shu-lin W. Determination of Capto C5 shank’s key dimensions. Materials Science Forum, 2014, vol. 800–801, pp. 417–423.
  4. Baranchikov V.I., ed. Progressivnye rezhushchie instrumenty i rezhimy rezaniya metallov [Advanced cutting tools and cutting metals: handbook]. Moscow, Mashinostroenie Publ., 1990. 400 p.
  5. Gokcek M., ed. Mechanical Engineering. Rijeka, InTech Publ., 2012. 682 p.
  6. Murashkina S.L., ed. Tekhnologiya mashinostroeniya. Osnovy tekhnologii mashinostroeniya [Manufacturing technology. Fundamentals of manufacturing technology]. Moscow, Vysshaya shkola Publ., 2005. Kn. 1. 278 p.
  7. Ermolaev V.V. Tekhnologicheskaya osnastka. Laboratorno-prakticheskie raboty i kursovoe proektirovanie [Technological equipment. Laboratory and practical works and course projecting]. Moscow, Akademiya Publ., 2012. 320 p.
  8. Maslov A.R. Instrumentalnye sistemy mashinostroitelnykh proizvodstv [Tooling systems of mechanical engineering productions]. Moscow, Mashinostroenie Publ., 2006. 335 p.
  9. Grigorev S.N., Kokhomskiy M.V., Maslov A.R. Instrumentalnaya osnastka stankov s ChPU [Tool equipment of CNC machines]. Moscow, Mashinostroenie Publ., 2006. 544 p.
  10. Levashkin D.G. The dimensional analysis of processing of the basing apertures of automatically replaceable knots of a prismatic form. Teplofizicheskie i tekhnologicheskie aspekty upravleniya kachestvom v mashinostroenii: trudy II Mezhdunarodnoy nauchno-tekhnicheskoy konferentsii (Reznikovskie chteniya). Togliatti, TGU Publ., 2008. Vol. 1, pp. 212–219.
  11. Reznikov L.A. Proektirovanie slozhnoprofilnogo rezhushchego instrumenta [Designing of geometrically-complex cutting tool]. Togliatti, TGU Publ., 2016. 208 p.
  12. Zorev N.N., ed. Razvitie nauki o rezanii metallov [The development of the science of cutting metals]. Moscow, Mashinostroenie Publ., 1967. 415 p.
  13. Kosilova A.G., Meshcheryakova R.K. Spravochnik tekhnologa-mashinostroitelya [Handbook of technologist-mechanician]. Moscow, Mashinostroenie Publ., 1985. Vol. 2, 496 p.
  14. Dal’skiy A.M., ed. Spravochnik tekhnologa-mashinostroitelya [Handbook of technologist-mechanician]. Moscow, Mashinostroenie Publ., 2003. Vol. 1, 912 p. Vol. 2, 944 p.
  15. Korchemkin A.D., ed. Rezhimy rezaniya metallov [Metal cutting modes: handbook]. Moscow, NIITavtoprom Publ., 1995. 456 p.
  16. Bochkareva I.O., Reznikov L.A. Reasonability of application of cutting tool equipped with Capto cone. Teplofizicheskie i tekhnologicheskie aspekty povysheniya effektivnosti mashinostroitelnogo proizvodstva: trudy III Mezhdunarodnoy nauchno-tekhnicheskoy konferentsii (Reznikovskie chteniya). Togliatti, TGU Publ., 2011, pp. 213–225.
  17. Johnson G.R., Cook W.H. A constitutive model and data for metals subjected to large strains, high strain rates and high temperatures. Proceedings of the 7th International Symposium on Ballistic. Hague, Netherlands Publ., 1983, pp. 541–547.
  18. Romanenko A.M. Rezhushchiy instrument [Cutting tool]. Kemerovo, KuzGTU im. T.F. Gorbacheva Publ., 2012. 103 p.
  19. Sakharov G.N., Arbuzov O.B., Borovoy Yu.L. Metallorezhushchie instrumenty [Metal cutting tools]. Moscow, Mashinostroenie Publ., 1989. 328 p.
  20. Starkov V.K. Fizika i optimizatsiya rezaniya materialov [Physics and optimization of cutting materials]. Moscow, Mashinostroenie Publ., 2009. 640 p.

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