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Mathematical models representing power losses in tilting rotary tables with a direct drive system (increasingly often used in CNC machine tools) are presented. The process of creating an FEM model for computing the heating up and thermal deformation of tilting rotary tables is described. A simple way of verifying the FEM model on the basis of motor catalogue specifications is provided. Exemplary results of computations and thermal analyses carried out for a tilting rotary table with a synchronized two-sided direct drive system are reported.
Słowa kluczowe
Czasopismo
Rocznik
Tom
Strony
26--40
Opis fizyczny
Bibliogr. 12 poz., tab., rys.
Twórcy
autor
- Institute of Production Engineering and Automation, Wroclaw University of Technology, Poland
autor
- Institute of Production Engineering and Automation, Wroclaw University of Technology, Poland
autor
- Institute of Production Engineering and Automation, Wroclaw University of Technology, Poland
autor
- DOOSAN Infracore Corporation, Korea
Bibliografia
- [1] HOLZKNECHT A., 2003, Direct drive torque motors for machine tool applications, ETEL, Inc, Schaumburg, German.
- [2] ISO/CD 230-1.5.5., 2008, Test code for machine tools - Part 1: Geometric accuracy of machines operating under no-load, Committee Draft, International Organization for Standardization, Geneva, Switzerland, 2008. Reference number ISO/TC 39 / SC 2 N 1706.
- [3] KRZEMIŃSKI-FREDA H., 1989, Rolling bearing. PWN, Warszawa, (in polish).
- [4] MORIWAKI T., 2008, Multi-functional machine tool, CIRP Annals - Manufacturing Technology, 57, 736–749.
- [5] JEDRZEJEWSKI J., KWASNY W., STRAUCHOLD S., 1991, Numerical modelling of the thermal behaviour of spindle bearing assemblies for precise machine tools, Proceedings of CIRP Conference on PE & MS, 525-535.
- [6] Rotary tables, Catalogue, KOMA PRECISION, INC.
- [7] Rotary tables, Catalogue, Peiseler Prazisionmaschinenbautechnik.
- [8] SATO R., TSUTSUMI M., 2007, High performance motion control of rotary table for 5-axis machining centres, Int. J. of Automation Technology, 1/2, 113-114.
- [9] Torque Motors, ETEL Doc. – Handbook, TORQUE 902/Ver. D/2/6/08.
- [10] LCM-General Catalogue, www.Icmitalia.it.
- [11] CyTurn, CyTorque Catalogue - CyTec - #1, http://pdf.directindustry.de/pdf/cytec/cyturn-cytorquekatalog/ 16094-111200.html.
- [12] Machine tools, Mitsuiseiki Catalogue, http://www.mitsuiseiki.co.jp.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-657f0dc4-0d21-4ba7-bd87-e8dea304b0a7