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Wyszukujesz frazę "power machine" wg kryterium: Temat


Wyświetlanie 1-3 z 3
Tytuł:
Knowledge base and assumptions for holistic modelling aimed at reducing axial errors of complex machine tools
Autorzy:
Jędrzejewski, J.
Kwaśny, W.
Powiązania:
https://bibliotekanauki.pl/articles/99902.pdf
Data publikacji:
2013
Wydawca:
Wrocławska Rada Federacji Stowarzyszeń Naukowo-Technicznych
Tematy:
holistic model
machine tool
power losses
error
Opis:
The paper presents the idea and need for the holistic modelling of machine tools. The complexity of such modelling is illustrated for a 5-axis machining centre. The need to model errors in the controllable axes of machine tools with rotational and linear motion drives is indicated. The physical dependences having a bearing on the state of deformations produced by temperature and dynamic forces, as well as the assumptions and computational modelsof shift generation in the high-speed bearing sets of spindles, and models of the behaviour of the ball screw are presented. Moreover, the results of experimental studies of the thermal behaviour of linear motor sets and guideways with rolling blocks are reported.
Źródło:
Journal of Machine Engineering; 2013, 13, 2; 7-25
1895-7595
2391-8071
Pojawia się w:
Journal of Machine Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Comparison of Power and Energy Consumption for Hard Turning and Burnishing Operations of 41CR4 Steel
Autorzy:
Chudy, R.
Grzesik, W.
Powiązania:
https://bibliotekanauki.pl/articles/99749.pdf
Data publikacji:
2015
Wydawca:
Wrocławska Rada Federacji Stowarzyszeń Naukowo-Technicznych
Tematy:
machine tool
power consumption
hard turning
burnishing
Opis:
This paper presents a new power measurement system which allows recording the power consumption profile and determining its components related to all the controlled axes. The system is based on computer processing of signals generated by current and voltage sensors connected to spindle and axis driving electric motors. It should be noted that these motors are controlled independently with different frequencies and voltages. By using LabVIEW data acquisition system, it is possible to record total power consumption and its components during a typical machining operation. This study concerns the power consumption in a sequence machining process consisting of hard turning and ball burnishing operations under variable machining conditions.
Źródło:
Journal of Machine Engineering; 2015, 15, 4; 113-120
1895-7595
2391-8071
Pojawia się w:
Journal of Machine Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
  • odwiedzone
Tytuł:
Design and Implementation of Wireless Module Based on ZiGBee for Applications in Machine Tools
Autorzy:
Kasprzak, M.
Powiązania:
https://bibliotekanauki.pl/articles/100139.pdf
Data publikacji:
2015
Wydawca:
Wrocławska Rada Federacji Stowarzyszeń Naukowo-Technicznych
Tematy:
machine tool
wireless modules
structure
tests
ZigBee
power consumption
Opis:
This paper presents a concept of a wireless measuring system based on ZigBee modules, and the stages in its implementation. The distinctive feature of the built measuring systems is their high resistance to environmental conditions. To a large extent this was achieved through the use of induction charging. The effectiveness of this solution was determined by comparing it with conventional charging. The measuring modules built in accordance with this concept were tested in the work space of a machine tool during milling. Special attention was paid to the amount of power consumed by the tested modules during different modes of their operation. The response time of the modules during their operation in the work space of the working machine tool and in the case when the modules were completely immersed in water was tested. By comparing the measured response times the effect of the above factors on the correctness of operation of the measuring system was determined.
Źródło:
Journal of Machine Engineering; 2015, 15, 4; 133-143
1895-7595
2391-8071
Pojawia się w:
Journal of Machine Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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