Today, cooling systems are increasingly applied to the structure of machine tools (MT). Unfortunately, to date there have been few efforts to precisely control these cooling systems, which inhibits the full utilisation of their potential to improve MT thermal behaviour (to reduce thermal errors). Moreover, the effects of cooling systems, especially the effects of cutting fluids, on thermal error compensation models are often omitted. This paper deals with the effects of fluid cooling systems on the thermal behaviour of MT and thermal error compensation models. It provides a detailed review of the state of the art, followed by the authors’ recent research on these issues. Firstly, the sensitivity of thermal error compensation models based on transfer functions (TF) to modification of fluid cooling systems and cutting fluid presence is discussed. Secondly, gradient regulation of the cooling unit to improve MT accuracy is presented.
REFERENCES(30)
1.
MAREŠ M., HOREJŠ O., 2017, Modelling of Cutting Process Impact on Machine Tool Thermal Behaviour Based on Experimental Data, Procedia CIRP, 58, 152–157.
HORNYCH J., HOREJŠ O., 2012, The Adaptive Cooling Control of a Ball Screw Feed Drive, Proceedings of the 12th euspen International Conference, Stockholm, euspen.
HELLMICH A., GLANZEL J., PIERER A., 2018, Analysing and Optimizing the Fluidic Tempering of Machine Tool Frames, CIRP Sponsored Conference on Thermal Issues in Machine Tools, Dresden, 195–210, ISBN 978-3-95735-085-5.
POPKEN J., SHABI L., WEBER J., 2018, System Modelling and Control Concepts of Different Cooling System Structures for Machine Tools, CIRP Sponsored Conference on Thermal Issues in Machine Tools, Dresden, 93–106, ISBN 978-3-95735-085-5.
TONNELLIER X., MORANTZ P., SHORE P., COMLEY P., 2010, Precision Grinding for Rapid Fabrication of Segments for Extremely Large Telescopes Using the Cranfield BoX, SPIE Astronomical Telescopes and Instrumentation: Observational Frontiers of Astronomy for the New Decade, 773905.
BÁRTA P., HORNYCH J., HOREJŠ O., 2008, Active Control of a Machine Tool Cooling System, Proceedings of the 10th anniversary international conference of the EUSPEN, Zürich, 384–388.
HORNYCH J., BÁRTA P., MAREŠ, M., 2009, Thermomechanical Transfer Functions and Control of a Machine Tool Cooling System, Modern Machinery (MM) Science Journal, 96–97.
BÁRTA P., HOREJŠ O., HORNYCH J., VYROUBAL J., 2007, Thermal Transfer Function Based Control Method of a Machine Tool Cooling System, Proceedings of the Topical Meeting: Thermal Effects in Precision Systems. Maastricht, the Netherlands, euspen, 16–18.
SHI X., ZHU K., WANG W., FAN L., GAO J., 2018, A Thermal Characteristic Analytic Model Considering Cutting Fluid Thermal Effect for Gear Grinding Machine Under Load, The International Journal of Advanced Manufacturing Technology, 99, 1755–1769.
FRASER S., ATTIA M.H., OSMAN M.O.M., 1998, Modeling, Identification and Control of Thermal Deformation of Machine Tool Structures, Part 1: Concept of Generalized Modeling, ASME J. Manuf. Sci. Eng., 120/3, 623–631.
BRECHER C., HIRSCH P., WECK M., 2004, Compensation of Thermo-Elastic Machine Tool Deformation Based on Control Internal Data, CIRP Annals – Manufacturing Technology, 53/1, 299–304.
HOREJŠ O., MAREŠ M., KOHÚT P., BÁRTA P., HORNYCH J., 2010, Compensation of Machine Tool Thermal Errors Based on Transfer Functions, MM Science Journal, 2010/1, 162–165.
FRASER S., ATTIA M.H., OSMAN M.O.M., 1998, Modeling, Identification and Control of Thermal Deformation of Machine Tool Structures, Part 2: Generalized Transfer Functions, ASME J. Manuf. Sci. Eng., 120/3, 632–639.
HOREJŠ O., MAREŠ M., HORNYCH J., 2014, A General Approach to Thermal Error Modelling of Machine Tools, Machines et usinage à grande vitesse (MUGV), Clermont Ferrand, France.
MAREŠ M., HOREJŠ O., HAVLÍK L., 2020, Thermal Error Compensation of a 5-Axis Machine Tool Using Indigenous Temperature Sensors and CNC Integrated Python Code Validated with a Machined Test Piece, Precision Engineering [article in press], https://doi.org/10.1016/j.prec....
HOREJŠ O., MAREŠ M., NOVOTNÝ L., 2012, Advanced Modelling of Thermally Induced Displacements and Its Implementation into Standard CNC Controller of Horizontal Milling Center, Procedia CIRP, 4/1, 67–72, ISSN 2212-8271.
Reduction of precise machining centre column thermal deformations caused by changes in ambient temperature by means of liquid cooling Zdzislaw Winiarski, Jerzy Jedrzejewski, Wojciech Kwaśny, Hyunpyo Ha Journal of Manufacturing Processes
Investigation of Tool Cooling and Heat Transfer Using Computational Fluid Dynamics Simulations Christian Naumann, Alexander Geist, Tharun Suresh Kumar, Janine Glanzel, Claus-Dieter Schmidt, Steffen Brier, Steffen Ihlenfeldt, Martin Dix, Philipp Klimant Journal of Machine Engineering
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