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Wyświetlanie 1-15 z 20
Tytuł:
A Comparative Analysis of the Impact of CNC Miller Programming on Machining Effects
Autorzy:
Kuczmaszewski, J.
Pieśko, P.
Zawada-Michałowska, M.
Powiązania:
https://bibliotekanauki.pl/articles/2064953.pdf
Data publikacji:
2018
Wydawca:
STE GROUP
Tematy:
programming
CAM
CNC machine tool
Opis:
This paper presents a comparison of the impact of the programming methods of a CNC miller on the machining effects. As a part of the study, the test samples were made of the EN AW-2024 aluminium alloy. The CNC machining programs compared were developed with two programming methods: by inputting the CNC machining program directly from the CNC miller's control panel (machine level programming) and in a CAM software environment (CAM programming). The machining effect indicators adopted included: machining time, surface quality, and dimensional deviation of specific geometrical features. A measurement of the machining times revealed than the CAM programming reduced the machining time up to 20% from the machining time of the machine level programming. A conclusion stands valid that CNC machining programs developed in the CAM software environment are more efficient than CNC programming directly with the CNC miller control panel, most likely due to the machining path optimisation in CAM. In addition, given the experimental test results, it was found that smaller machined errors were also obtained for CAM programming. To conclude, the comparative analysis revealed that CAM programming provided better machining results than the machine level programming.
Źródło:
Multidisciplinary Aspects of Production Engineering; 2018, 1, 1; 161--167
2545-2827
Pojawia się w:
Multidisciplinary Aspects of Production Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Increasing the elasticity of multitasking machining using tooling for tools and workpiece clamping in a CNC machine tool
Autorzy:
Mazurek, L.
Taranenko, V.
Świć, A.
Taranenko, G.
Powiązania:
https://bibliotekanauki.pl/articles/117657.pdf
Data publikacji:
2008
Wydawca:
Polskie Towarzystwo Promocji Wiedzy
Tematy:
workpiece
tool
fastening
CNC machine tool
table
Opis:
The article presents rules for designing a device for fastening tools and machined parts to a CNC machine tool. Suggested tooling was used on machine tools already working in machining industry. Those machine tools can be elements of Flexible Production Systems. Presented solutions facilitate the application of CNC machine tools in low-volume and piece production.
Źródło:
Applied Computer Science; 2008, 4, 2; 103-116
1895-3735
Pojawia się w:
Applied Computer Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Linear positioning errors of 3-axis machine tool
Autorzy:
Józwik, J.
Mazurek, P.
Wieczorek, M.
Czwarnowski, M
Powiązania:
https://bibliotekanauki.pl/articles/118243.pdf
Data publikacji:
2015
Wydawca:
Polskie Towarzystwo Promocji Wiedzy
Tematy:
CNC machine tool
diagnostic systems
positioning error
Opis:
This paper presents results of 3-axis CNC machine tool diagnostics performed with XL-80 laser interferometer and XC-80 environmental compensation unit, including pressure, humidity and temperature sensors. Furthermore, the paper includes the methodology and results of conducted measurements of linear positioning errors, which supplied data for further analysis. The conclusion section presents important results of conducted experiments. Measurement results were presented in figures, charts and tables.
Źródło:
Applied Computer Science; 2015, 11, 2; 86-94
1895-3735
Pojawia się w:
Applied Computer Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Angular positioning accuracy of rotary table and repeatability of five-axis machining centre dmu 65 monoblock
Autorzy:
Józwik, J.
Czwarnowski, M
Powiązania:
https://bibliotekanauki.pl/articles/103390.pdf
Data publikacji:
2015
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
positioning
diagnostics
accuracy
CNC machine tool
laser interferometer
Opis:
The study aims to evaluate angular positioning accuracy and repeatability of DMU 65 monoBLOCK numerically controlled machine tool. The measurements were carried out with XL-80 Laser Interferometer with XR20-W attachment. The measurements were conducted according to the standard PN-ISO230-2. Test methodology and measurement results analysis are presented in a form of figures and tables. The final part presents conclusions from the analysis.
Źródło:
Advances in Science and Technology. Research Journal; 2015, 9, 28; 89-95
2299-8624
Pojawia się w:
Advances in Science and Technology. Research Journal
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Software-defined workpiece positioning for resource-optimized machine tool utilization
Autorzy:
Ströbel, Robin
Probst, Yannik
Hutt, Louisa
Fleischer, Jürgen
Powiązania:
https://bibliotekanauki.pl/articles/2200260.pdf
Data publikacji:
2023
Wydawca:
Wrocławska Rada Federacji Stowarzyszeń Naukowo-Technicznych
Tematy:
resource efficiency
workpiece positioning
CNC machine tool
optimisation
Opis:
Advancing climate change, tense world markets, and political pressure steadily increase the demand for resource-optimized production solutions. Herby, the positioning of the raw material in the machine tool is an important factor that has received little attention. Traditionally, this is done centrally on the machine table, which leads to locally increased wear of the feed axis. Furthermore, positioning directly influences energy consumption during machining. Consequently, the longest possible component utilization through optimum wear and energy optimization creates a direct conflict of objectives. To solve this conflict, this paper presents an automated approach for software-defined workpiece positioning and NC-Code optimization regarding the axis-specific energy consumption and the spindle condition of ball screws. An approach for mapping the energy consumption and the directly measured spindle condition is presented. Both represent input variables of the cost function. Approaches for the optimization of the position as well as for the practical implementation are proposed.
Źródło:
Journal of Machine Engineering; 2023, 23, 1; 71--84
1895-7595
2391-8071
Pojawia się w:
Journal of Machine Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Application of machine learning in the precise and cost-effective self-compensation of the thermal errors of CNC machine tools – a review
Autorzy:
Czwartosz, Robert
Jedrzejewski, Jerzy
Powiązania:
https://bibliotekanauki.pl/articles/2142358.pdf
Data publikacji:
2022
Wydawca:
Wrocławska Rada Federacji Stowarzyszeń Naukowo-Technicznych
Tematy:
CNC machine tool
thermal error compensation
machine learning
self-learning
Opis:
The current development of production engineering takes place through the innovative improvement of machine tools and machining processes at the constantly growing application of intelligent self-improvement functions. Machine learning opens up possibilities for machine tool self-improvement in real time. This paper discusses the state of knowledge relating to the application of machine learning for precise and cost-effective thermal error self-compensation. Data acquisition and processing, models and model learning and self-learning methods are also considered. Three highly effective error compensation systems (supported with machine learning) are analysed and conclusions and recommendations for future research are formulated.
Źródło:
Journal of Machine Engineering; 2022, 22, 3; 59--77
1895-7595
2391-8071
Pojawia się w:
Journal of Machine Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Static and dynamic stiffness of cnc machine tool servo drives
Autorzy:
Pandilov, Z.
Dukovski, V.
Powiązania:
https://bibliotekanauki.pl/articles/99473.pdf
Data publikacji:
2010
Wydawca:
Wrocławska Rada Federacji Stowarzyszeń Naukowo-Technicznych
Tematy:
static stiffness
dynamic stiffness
CNC machine tool
servo drive
Opis:
In this paper a model for the servo drive system with disturbance forces is given. Static and dynamic stiffness for the proposed model is analyzed. An equation for analytical calculation of the static stiffness is given. Correctness of the proposed equation is experimentally verified. Simulation of the influence of some parameters on the static and dynamic servo drive system stiffness is performed with simulation program MATLAB & SIMULINK.
Źródło:
Journal of Machine Engineering; 2010, 10, 4; 106-114
1895-7595
2391-8071
Pojawia się w:
Journal of Machine Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Measurement uncertainty analysis of different CNC machine tools measurement systems
Autorzy:
Semotiuk, L.
Józwik, J.
Kuric, I.
Powiązania:
https://bibliotekanauki.pl/articles/102390.pdf
Data publikacji:
2013
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
measurement uncertainty
inspection probe
control system
CNC machine tool
Opis:
In this paper the results of measurement uncertainty tests conducted with a Heidenhain TS 649 probe on CNC machine tools are presented. In addition, identification and analysis of random and systematic errors of measurement were presented. Analyses were performed on the basis of measurements taken on two different CNC machine tools with Heidenhain control system. The evaluated errors were discussed and compensation procedures were proposed. The obtained results were described in tables and figures.
Źródło:
Advances in Science and Technology. Research Journal; 2013, 7, 19; 41-47
2299-8624
Pojawia się w:
Advances in Science and Technology. Research Journal
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The use of new technology to improve the quality of production on a CNC machine tool
Autorzy:
Gołębski, Rafał
Sikora, Piotr
Gnatowski, Adam
Powiązania:
https://bibliotekanauki.pl/articles/88568.pdf
Data publikacji:
2019
Wydawca:
Stowarzyszenie Menedżerów Jakości i Produkcji
Tematy:
CNC machine tool
production
quality
technology
obrabiarka CNC
produkcja
jakość
technologia
Opis:
The article presents an analysis of the modification of the production process on a CNC machine tool. The process was modified by using a new deep hole drilling procedure. As a consequence, an improvement in the quality of manufactured elements in series production has been achieved. The applications were supported by metrological analysis of the product.
Źródło:
System Safety : Human - Technical Facility - Environment; 2019, 1, 1; 583-590
2657-5450
Pojawia się w:
System Safety : Human - Technical Facility - Environment
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
One Approach Towards Analytical Determination of the CNC Machine Tool Servo Drives Position Loop Gain
Autorzy:
Pandilov, Z.
Dukovski, V.
Powiązania:
https://bibliotekanauki.pl/articles/971165.pdf
Data publikacji:
2009
Wydawca:
Wrocławska Rada Federacji Stowarzyszeń Naukowo-Technicznych
Tematy:
analytical determination
CNC machine tool
servo drives
position loop gain
Opis:
One of the most important factors which influences the dynamical behaviour of the servo drives for CNC machine tools is position loop gain or Kv-factor. It directly influences the contouring accuracy of the machine tool. Usually position loop gain is experimentally tuned on the already assembled CNC machine tool. This paper gives one approach towards its analytical calculation. The difference between analytical calculated and experimentally obtained Kv-factor is smaller than 5%, which is completely acceptable.
Źródło:
Journal of Machine Engineering; 2009, 9, 2; 63-69
1895-7595
2391-8071
Pojawia się w:
Journal of Machine Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Surface Texturing on a CNC Machine Tool Using a Laser
Autorzy:
Józwik, Jerzy
Dziedzic, Krzysztof
Powiązania:
https://bibliotekanauki.pl/articles/2201901.pdf
Data publikacji:
2023
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
laser micromachining
laser surface texturing
CNC machine tool
surface topography
Opis:
In the paper stages of the process of constituting a surface with the texture of the injection mold of a wheeled vehicle steering wheel using laser technology was discusses. During micromachining process with texturing there is a 5-axis CNC-controlled CNC machine TOOL LASERTEC 65 Shape used with a rigid monoBLOCK structure with Siemens 840D sl control, equipped with a fiber laser with a power of 100W, a wavelength of 1064 nm and a focal length of 181 mm. Processing technology was prepared using Autodesk Maya, Adobe Photoshop, Adobe Illustrator, NX9, Lastex v. 2.27.26 computer programs and machine tool control systems. Results of machining the steering wheel of a wheeled vehicle with a concentrated laser beam are discussed. Geometric structure of the surface after texturing was evaluated. Presented technology can be used to obtain the desired texture properties on the surface of the parts.
Źródło:
Advances in Science and Technology. Research Journal; 2023, 17, 1; 160--172
2299-8624
Pojawia się w:
Advances in Science and Technology. Research Journal
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Dynamic Analysis of the Starting and Braking of the Table of CNC Machine Tool
Autorzy:
Józwik, Jerzy
Zawada-Michałowska, Magdalena
Moń, Damian
Powiązania:
https://bibliotekanauki.pl/articles/2201776.pdf
Data publikacji:
2022
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
dynamics analysis
vision systems
CNC machine tool
feed rate
CNC machine tools accuracy
CNC machine table
Opis:
The aim of the paper is a dynamic analysis of the starting and braking of the table of a numerically controlled CNC machine tool during idle motion. The experimental test was performed on the vertical table of the FV580A machining centre using the Phantom v1610 high-speed vision camera. The dynamics characteristics of the table movement were registered and the dynamics estimates of the movement were determined. The influence estimation of the parameters of the machine tool table motion on the value of the determined estimates was made. The results of measurements were discussed and guidelines and in order to minimise disturbances were formulated. The test results were summarised and discussed in the form of charts and tables. The directions of further research in the discussed subject area were also defined
Źródło:
Advances in Science and Technology. Research Journal; 2022, 16, 3; 34--46
2299-8624
Pojawia się w:
Advances in Science and Technology. Research Journal
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Construction of a system scanning the movement of human upper limbs
Autorzy:
Stateczny, K.
Powiązania:
https://bibliotekanauki.pl/articles/359093.pdf
Data publikacji:
2012
Wydawca:
Akademia Morska w Szczecinie. Wydawnictwo AMSz
Tematy:
virtual reality
operator interface
CNC machine tool
upper limb movement scanner
Opis:
The paper presents a prototype of a new input–output device which is a constructed scanner of human upper limb movement which, together with the software layer, creates a new user interface of CNC (Computer Numerical Control) machine tools. The constructed scanner contains a sensory system based on acceleration sensors and gyroscopes which are distributed within the key areas on the human upper limb. On the basis of the signals registered during the movement of operator's upper limbs, basing on the solution of a simple kinematics model, it is possible to determine the location and orientation of operator’s hands. A combination of the developed technology with ready solutions of gloves scanning movements of fingers and hands provides a new intuitive input-output device for the communication with the machine.
Źródło:
Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2012, 32 (104) z. 1; 75-80
1733-8670
2392-0378
Pojawia się w:
Zeszyty Naukowe Akademii Morskiej w Szczecinie
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The influence of geometric errors compensation of a CNC machine tool on the accuracy of movement with circular interpolation
Wpływ kompensacji błędów geometrycznych obrabiarki CNC na dokładność odwzorowania ruchu z interpolacją kołową
Autorzy:
Majda, P.
Powiązania:
https://bibliotekanauki.pl/articles/175782.pdf
Data publikacji:
2012
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
cykliczny błąd skoku
obrabiarka
obrabiarka CNC
dokładność pozycjonowania
cyclic pitch error
machine tool
CNC machine tool
positioning accuracy
Opis:
In the paper set of the experimental tests was presented in order to determine the cyclic pitch error of the feed screw in CNC machine. Laser interferometer with feedback from rotary encoder was used in the experiment. The results of the cyclic pitch error compensation were presented in the circular interpolation test performed using a telescopic ball bar. Results of the circular interpolation in the mutually perpendicular planes XY, YZ, ZX with and without error compensation were presented. The increase of the axes positioning accuracy in dynamic tests can be determined basing on the experimental results. Moreover, the backlash compensation, positioning and squareness errors are discussed in the paper.
W artykule przedstawiono analizę wyników badań doświadczalnych, prowadzonych dla określenia wartości cyklicznego błędu skoku śruby pociągowej w obrabiarce sterowanej numerycznie. Badania wykonano z użyciem interferometru laserowego z możliwością bezpośredniego odczytu pozycji zadanej z impulsowego przetwornika pomiaru położenia obrabiarki. Wyniki próby kinematycznej z interpolacją kołową umożliwiły ocenę skutków kompensacji cyklicznego błędu skoku śruby oraz innych błędów obrabiarki. Uzyskane wyniki badań pozwoliły na ilościową ocenę zwiększenia dokładności pozycjonowania osi obrabiarki.
Źródło:
Advances in Manufacturing Science and Technology; 2012, 36, 2; 59-67
0137-4478
Pojawia się w:
Advances in Manufacturing Science and Technology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Technological setups of the Gleason Phoenix CNC spiral bevel and hypoid gear milling machines
Nastawy technologiczne frezarek Gleason Phoenix CNC do obróbki kół stożkowych i hipoidalnych o kołowo-łukowej linii zęba
Autorzy:
Skawiński, P.
Powiązania:
https://bibliotekanauki.pl/articles/175695.pdf
Data publikacji:
2012
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
koło zębate stożkowe
obrabiarka CNC
frezarka CNC
ustawienia obrabiarki
spiral bevel gear
CNC machine tool
CNC milling machine
machine tool setup
Opis:
The paper contains the description of basic technological setups for conventional milling machines and for 6-axes CNC machines for Gleason spiral bevel and hypoid gears. Cartesian reference system are discussed for Gleason's series Phoenix CNC machines. Numerically controlled machines allow cut and grind the generated and formate spiral and hypoid bevel gears in all technological methods.
W opracowaniu przedstawiono podstawowe nastawy technologiczne frezarek konwencjonalnych oraz 6-osiowych obrabiarek CNC stosowanych do obróbki kół zębatych stożkowych i hipoidalnych kołowo-łukowych według metody Gleasona. Podstawą opracowania nastaw jest kinematyka obrabiarek CNC firmy Gleason serii Phoenix. Wykazano, że obrabiarki sterowane numerycznie pozwalają na skrawanie i szlifowanie generowanych numerycznie i kształtowanych kół stożkowych i hipoidalnych o kołowo-łukowej linii zęba przy użyciu wszystkich metod technologicznych obróbki.
Źródło:
Advances in Manufacturing Science and Technology; 2012, 36, 4; 33-43
0137-4478
Pojawia się w:
Advances in Manufacturing Science and Technology
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 20

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