Obrabotka Metallov 2018 Vol. 20 No. 3

OBRABOTKAMETALLOV Vol. 20 No. 3 2018 44 TECHNOLOGY References 1. Bataev A.A., Bataev V.A. Kompozitsionnye materialy: stroenie, poluchenie, primenenie [Composite materials: structure, obtaining, using]. Novosibirsk, NSTU Publ., 2002. 384 p. ISBN 5-7782-0315-2. 2. Yaroslavtsev V.M. Tekhnologicheskie resheniya problem obrabotki raketnykh i aerokosmicheskikh konstruktsii iz kompozitsionnykh materialov [Technological solutions to problems processing the rocket and aerospace composite structures]. Vestnik MGTU im. N.E. Baumana. Seriya: Mashinostroenie = Herald of the Bauman Moscow State Technical University. Series: Mechanical Engineering , 2005, no. S2, pp. 41–62. The Lines of Approach to the Problems of Shaping the Cutting Tool for Processing Nonmetallic Composites Alexander Yanyushkin a , Dmitry Lobanov b, * , Nikolay Muliukhin c I.N. Ulianov Chuvash State University, 15 Moskovsky Prospekt, Cheboksary, 428015, Russian Federation a https://orcid.org/0000-0003-1969-7840, yanyushkinas@mail.ru, b https://orcid.org/0000-0002-4273-5107, lobanovdv@list.ru , c https://orcid.org/0000-0003-2960-5567, muliukhin@mail.ru Obrabotka metallov (tekhnologiya, oborudovanie, instrumenty) = Metal Working and Material Science. 2018 vol. 20 no. 3 pp. 36–46 ISSN: 1994-6309 (print) / 2541-819X (online) DOI: 10.17212/1994-6309-2018-20.3-36-46 Obrabotka metallov - Metal Working and Material Science Journal homepage: http://journals.nstu.ru/obrabotka_metallov ARTICLE INFO Article history : Received: 07 June 2018 Revised: 05 July 2018 Accepted: 30 July 2018 Available online: 15 September 2018 Keywords : Grinding Numerical modeling Hard alloy Cutting tool Damage Quality Non-metallic composites ABSTRACT Introduction. The development trends and prospects for the use of non-metallic composite materials, its application in engineering, as well as ways of obtaining blanks and parts from similar materials are considered. A brief comparative analysis of the methods for processing polymer composites is given; it is revealed that the mechanical method is more flexible and wide in application for cutting nonmetallic composites. The difficulties of processing composites associated with the properties of the materials of the components of nonmetallic composites are indicated. It can be seen that the tool that processes this group of composites works well in difficult conditions, which impose especially high demands on the tool for strength, wear resistance, hardness, etc. Also, a tool designed for processing non-metallic composite materials should have special geometric characteristics, different from the geometry of the cutting elements used for processing metals. Carbide-tipped instrumental materials of the VC group meet these requirements. However, to obtain a high-quality cutting edge with such geometric parameters and mechanical-physical properties of a hard alloy is a rather great difficulty. In this work, traditional diamond grinding; electrochemical grinding; diamond grinding with electro-chemical correction of the circle; combined electro-diamond grinding are used for sharpening carbide cutting elements. Objective. Investigation of the state of the carbide plate after honing is the objective of the work. Methods of research. The modeling technique for determining the damage and stress-strain state of the cutting edge of the carbide tool after sharpening is given. This technique is based on the Johnson-Cook breakdown model. Results and discussion. The presented technique makes it possible to evaluate these grinding methods for obtaining the most qualitatively sharpened cutting element for the processing of nonmetallic composite materials. Also, the use of this technique reduces the number of experiments in practice, which is economically advantageous. For citation: Yanyushkin A.S., Lobanov D.V., Muliukhin N.V. The lines of approach to the problems of shaping the cutting tool for processing nonmetallic composites. Obrabotka metallov (tekhnologiya, oborudovanie, instrumenty) = Metal Working and Material Science , 2018, vol. 20, no. 3, pp. 36–46. doi: 10.17212/1994-6309-2018-20.3-36-46. (In Russian). ______ * Corresponding author Lobanov Dmitry V ., D.Sc. (Engineering), Professor The Ulianov Chuvash State University, 15 Moskovsky Prospekt, Cheboksary, 428015, Russian Federation Tel.: +7-908-303-47-45, e-mail: lobanovdv@list.ru