Temat: processes automation - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Applications of monitoring of electric power parameters to performance evaluation of a model vacuum-assisted moulding installation
Autorzy:: Ziółkowski, E.
Brzeziński, M.
Wrona, R.
Smyksy, K.
Zyzak, P.
Powiązania:: https://bibliotekanauki.pl/articles/382938.pdf
Data publikacji:: 2012
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: mechanizacja procesów odlewniczych
automatyzacja procesów odlewniczych
pomiar elektroenergetyczny
formowanie podciśnieniowe
mechanisation of foundry processes
automation of foundry processes
electric power measurements
vacuum-assisted moulding processes
Opis:: Vacuum conditions in foundry installations are generated using electric-driven vacuum pumps. The purpose of the experiment is to evaluate the performance of a vacuum-assisted system for compaction of moulding sand basing on registered plots of selected electric power parameters of the power-supplying system of the pumps. Model testing done on an experimental vacuum system installation, power-supplied from a system incorporating the recorders of instantaneous current and voltage values. Following the numerical procedure, the experimental data are analysed to yield mathematical relationships between the variations of the generated vacuum pressure levels and variations of selected electric power parameters. Registered and computed values of selected parameters: instantaneous and RMS voltage and current values, active, reactive and apparent power levels and power coefficient allow for diagnosing the adequacy and reliability of the system operation. According to the authors, the applied monitoring of the power parameters of a vacuum-assisted installation may become an effective and easy practical method of evaluating the performance of such installations, used also in foundry plants.
Źródło:: Archives of Foundry Engineering; 2012, 12, 2; 267-272
1897-3310
2299-2944
Pojawia się w:: Archives of Foundry Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Analysis and assessment of measurements results of electric power demand in a model vacuum-assisted moulding installation
Autorzy:: Smyksy, K.
Wrona, R.
Brzeziński, M.
Ziółkowski, E.
Powiązania:: https://bibliotekanauki.pl/articles/380436.pdf
Data publikacji:: 2012
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: mechanizacja procesów odlewniczych
automatyzacja procesów odlewniczych
pomiar elektroenergetyczny
formowanie podciśnieniowe
mechanisation of foundry processes
automation of foundry processes
electric power measurements
vacuum assisted moulding processes
Opis:: In this article the main problems related with the proper choice of the design and operation parameters of vacuum installation in vacuum moulding system have been discussed. In such system a vacuum are generated using electric-driven vacuum pumps. The aim of the experiment is to evaluate the performance of a vacuum system basing on registered plots of selected electric power parameters of the power-supplying system of the pumps with parallel measurements instantaneous values of pressure in selected points of model stand. The measurements system for power-supply unit has incorporated the recorders of instantaneous current and voltage values. Following the suitable numerical procedure, the experimental data are analysed to yield mathematical relationships between the variations of the generated vacuum pressure levels and variations of selected electric power parameters. According to the authors, the applied measurements system of the parameters of a vacuum-assisted installation may become an effective and easy practical method of evaluating the performance of such installations, used also in industry.
Źródło:: Archives of Foundry Engineering; 2012, 12, 4; 135-140
1897-3310
2299-2944
Pojawia się w:: Archives of Foundry Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Aspects of Quality Assurance in Mechanization of Core Making Process
Autorzy:: Asłanowicz, M.
Fedoryszyn, A.
Fulko, T.
Ościłowski, A.
Powiązania:: https://bibliotekanauki.pl/articles/380486.pdf
Data publikacji:: 2014
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: mechanization of casting processes
automation of casting processes
sand technologies
core shooting
blowing machines
core making process
mechanizacja procesów odlewniczych
automatyzacja procesów odlewniczych
rdzeń wstrzeliwany
wdmuchiwanie
Opis:: The article presents conclusions drawn from analysis and research conducted in domestic foundries concerning currently used core shop equipment as well as determination of their needs within this area. Works within mechanization of core making process, conducted together by Ferro-Masz company, Łódź and Faculty of Foundry Engineering of AGH, Kraków, included analysis of available technologies, applied materials and requirements for mechanization of core making process with the use of blowing methods. Commercial offers from manufacturers of core making systems has been discussed together with presentation of own solution of universal core shooting/blowing machine, ensuring production of high-quality cores.
Źródło:: Archives of Foundry Engineering; 2014, 14, 1 spec.; 43-46
1897-3310
2299-2944
Pojawia się w:: Archives of Foundry Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Comparison of energy consumption in the classical (PID) and fuzzy control of foundry resistance furnace
Autorzy:: Ziółkowski, E.
Śmierciak, P.
Powiązania:: https://bibliotekanauki.pl/articles/380361.pdf
Data publikacji:: 2012
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: automatyzacja procesów odlewniczych
piec odlewniczy
regulator PID
sterownik rozmyty
automation of foundry processes
control of foundry furnaces
PID
fuzzy controllers
Opis:: Foundry resistance furnaces are thermal devices with a relatively large time delay in their response to a change in power parameters. Commonly used in automation classical PID controllers do not meet the requirements of high-quality control. Developed in recent years, fuzzy control theory is increasingly being used in various branches of economy and industry. Fuzzy controllers allow to introduce new developments in control systems of foundry furnaces as well. Correctly selected fuzzy controller can significantly reduce energy consumption in a controlled thermal process of heating equipment. The article presents a comparison of energy consumption by control system of foundry resistance furnace, equipped with either a PID controller or fuzzy controller optimally chosen.
Źródło:: Archives of Foundry Engineering; 2012, 12, 3; 129-132
1897-3310
2299-2944
Pojawia się w:: Archives of Foundry Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 5.

Tytuł:: Research on Accuracy of Automatic System for Casting Measuring
Autorzy:: Jaworski, J.
Kluz, R
Trzepieciński, T.
Powiązania:: https://bibliotekanauki.pl/articles/381307.pdf
Data publikacji:: 2016
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: automation in foundry
robotics in foundry
product development
mechanization of casting processes
automation of casting processes
quality control of castings
measurement systems
automatyzacja w odlewni
robotyka w odlewni
rozwój produktów
mechanizacja procesów odlewniczych
automatyzacja procesów odlewniczych
kontrola jakości odlewów
systemy pomiarowe
Opis:: Ensuring the required quality of castings is an important part of the production process. The quality control should be carried out in a fast and accurate way. These requirements can be met by the use of an optical measuring system installed on the arm of an industrial robot. In the article a methodology for assessing the quality of robotic measurement system to control certain feature of the casting, based on the analysis of repeatability and reproducibility is presented. It was shown that industrial robots equipped with optical measuring systems have the accuracy allowing their use in the process of dimensional control of castings manufactured by lost-wax process, permanent-mould casting, and pressure die-casting.
Źródło:: Archives of Foundry Engineering; 2016, 16, 3; 49-54
1897-3310
2299-2944
Pojawia się w:: Archives of Foundry Engineering
Dostawca treści:: Biblioteka Nauki

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