Prohlížení Publikační činnost ČVUT dle autora "Mareš M."
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Adaptive Thermal Error Compensation Model of a Horizontal Machining Centre
Autor: Horejš O.; Mareš M.; Straka M.; Švéda J.; Kozlok T.
(Springer International Publishing, 2023)The state-of-the-art method to reduceCNCmachine tool thermal errors is real-time error compensation based on the thermal error estimation models. However, it is difficult to establish a thermal error compensation model ... -
ADVANCED THERMAL ERROR COMPENSATION OF A FLOOR TYPE MACHINING CENTRE ALLOWING FOR THE INFLUENCE OF INTERCHANGEABLE SPINDLE HEADS
Autor: Mareš M.; Horejš O.; Hornych J.
(Ed. Inst. of the Wroclaw Board of Scientific Technical Societies Federation NOT, 2015)This paper is a continuation of scientific work on the modelling of complex MT thermal behaviour using a dynamic method with a physical basis: thermal transfer functions. Previously published works focusing on middle-sized ... -
Compensation of Thermally Induced Errors in Five-Axis Computer Numerical Control Machining Centers Equipped With Different Spindles
Autor: Horejš O.; Mareš M.; Havlík L.
(American Society of Mechanical Engineers - ASME, 2022)Thermally induced errors are the dominant source of inaccuracy in machine tools today and are often the most difficult type of error to reduce. Software compensation of thermally induced displacements at the tool center ... -
Effects of cooling systems on the thermal behaviour of machine tools and thermal error models
Autor: Mareš M.; Horejš O.; Fiala Š.; Havlík L.; Stříteský P.
(Ed. Inst. of the Wroclaw Board of Scientific Technical Societies Federation NOT, 2020)Achieving a high workpiece accuracy is a long-term goal of machine tool (MT) designers. There are many causes of workpiece inaccuracy, with thermal errors being the most dominant. Redesign of MT structure, heat flux control, ... -
EMO 2019: O strojích a datech
Autor: Kolář P.; Petráček P.; Švéda J.; Falta J.; Červenka J.; Fojtů P.; Mareš M.; Hornych J.; Sova J.; Janota M.; Koubek J.; Sulitka M.; Šimůnek A.; Vavruška P.; Stejskal M.; Brajer J.; Mašek P.
(MM Publishing, 2019)EMO Hannover – veletrh, kde se tisíce a tisíce návštěvníků z celého světa mohou setkat s tím nejlepším a nejnovějším, co se v poslední době v průmyslovém světě událo. MM Průmyslové spektrum pravidelně přináší z této události ... -
Enhancement of Specialised Vertical Turning Lathe Accuracy Through Minimisation of Thermal Errors Depending on Turning and Milling Operations
Autor: Mareš M.; Horejš O.
(MM Science Journal, 2021)Achieving high workpiece accuracy is a long-term goal of machine tool designers. There are many causes of workpiece inaccuracy, with thermal errors being the most dominant. Indirect compensation (using predictive models) ... -
Hlavní trendy EMO Hannover 2017 očima výzkumníků
Autor: Kolář P.; Burian D.; Hornych J.; Novotný L.; Horejš O.; Mareš M.; Brajer J.; Zeman P.; Stach E.; Malý J.; Chládek Š.; Kopačka J.; Sova J.; Vrba P.; Šimůnek A.; Koubek J.; Sulitka M.; Vyroubal J.
(MM Publishing, 2017)Hannoverský veletrh EMO je právem považován za výkladní skříň toho nejlepšího, co inovační týmy světových leaderů i jejich následovníků navrhli a v prototypech či již sériově nabízejí. Sektor výrobních strojů bývá na špici ... -
The Impact of Key Temperature Measuring Points on Thermal Error Compensation Model Transfer Between Milling Centers of the Same Product Line
Autor: Straka M.; Mareš M.; Horejš O.
(MM Science Journal, 2021)Machine tool thermal errors are an important element in machined workpiece inaccuracies. In the past few decades, thermal errors have been successfully reduced by software compensation techniques such as multiple linear ... -
Inspection of Thermo-mechanical Behaviour Linearity within Different Configurations of Large Grinding Machine
Autor: Mareš M.; Horejš O.; Fiala Š.; Nykodym P.
(Ed. Inst. of the Wroclaw Board of Scientific Technical Societies Federation NOT, 2021)Machine tool thermal errors are an important element in machined workpiece inaccuracies. In the past few decades, thermal errors have been successfully reduced by software compensation techniques such as multiple linear ... -
Kompenzace teplotních úhlových chyb strojů
Autor: Horejš O.; Mareš M.
(MM Publishing, 2014)Článek popisuje kompenzaci teplotně vyvolaných úhlových deformací strojů pomocí přídavných zdrojů tepla (topné fólie). -
Modelling of cutting process impact on machine tool thermal behaviour based on experimental data
Autor: Mareš M.; Horejš O.
(ELSEVIER SCIENCE BV, 2017)Achieving high workpiece accuracy is a long-term goal of machine tool designers. There are many causes of workpiece inaccuracy, with thermal errors being the most dominant. An indirect compensation (using predictive models) ... -
Portability of the thermo-mechanical compensation model of the milling center
Autor: Straka M.; Mareš M.
(Faculty of Mechanical Engineering, 2021)Thermo-mechanical errors of machine tools (MT) are important element in inaccuracies of machined workpieces. In the past few decades, thermal errors have been successfully reduced by techniques of software compensation. ... -
Post-process updating of model parameters to approximate thermal errors of machine tools operating in different configurations
Autor: Divíšek D.; Mareš M.; Horejš O.
(Elsevier, 2024)Machine tool (MT) thermal errors induced by external and internal heat sources (e.g. changing environment, friction and power losses in MT components) are an important element in machined workpiece inaccuracies. In the ... -
Prediction of thermal effects on machine tool volumetric error
Autor: Okénka M.; Houša J.; Horejš O.; Mareš M.; Morávek M.
(České vysoké učení technické v Praze, Fakulta strojní, 2019)Since a significant and possibly major part of machine tool error is caused by thermal deformation, its compensation has high priority as an accuracy increasing tool. Various methods of compensation have been developed ... -
Real-time compensation of Machine Tool Thermal Errors Including Cutting Process
Autor: Horejš O.; Mareš M.; Hornych J.
(Ed. Inst. of the Wroclaw Board of Scientific Technical Societies Federation NOT, 2015)This paper presents a real-time compensation of three-axis vertical milling centre thermal errors including the cutting process effect. The simulation is based on dynamic modelling using transfer functions. The model was ... -
Robustness and portability of machine tool thermal error compensation model based on control of participating thermal sources
Autor: Mareš M.; Horejš O.; Hornych J.; Smolík J.
(Ed. Inst. of the Wroclaw Board of Scientific Technical Societies Federation NOT, 2013)This paper provides an insight into the modeling of highly nonlinear machine tool thermal errors using thermal transfer functions (TTF). The method is dynamic (uses machine tool thermal history) and its modeling and ... -
Smart Sensor for Enhancement of a Multi-Spindle Automatic Lathe Thermal Error Compensation Model
Autor: Horejš O.; Mareš M.; Mlčoch A.
(MM Science Journal, 2021)The development of a smart sensor is proposed to improve the thermal error compensation model of a multi-spindle automatic lathe. The smart sensor is capable of gathering real-time information about rotating spindle drum ... -
STRATEGY OF MILLING CENTER THERMAL ERROR COMPENSATION USING A TRANSFER FUNCTION MODEL AND ITS VALIDATION OUTSIDE OF CALIBRATION RANGE
Autor: Mareš M.; Horejš O.; Fiala Š.; Lee C.; Jeong S.M.; Kim K.H.
(MM Publishing, 2019)Achieving high workpiece accuracy is a long-term goal of machine tool designers. There are many causes of workpiece inaccuracy, with thermal errors being the most dominant. Indirect compensation (using predictive models) ... -
Thermal error compensation of a 5-axis machine tool using indigenous temperature sensors and CNC integrated Python code validated with a machined test piece
Autor: Mareš M.; Horejš O.; Havlík L.
(Elsevier, 2020)Achieving high workpiece accuracy is the long-term goal of machine tool designers. There are many causes for workpiece inaccuracy, with thermal errors being the most common. Indirect compensation (using prediction models ... -
Thermal Error Minimization of a Turning-Milling Center with Respect to its Multi-Functionality
Autor: Mareš M.; Horejš O.; Hornych J.
(Fuji Technology Press, 2020)Achieving high workpiece accuracy is a long-term goal of machine tool designers. Many causes can explain workpiece inaccuracy, with thermal errors being the most dominant. Indirect compensation (using predictive models) ...