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Wyszukujesz frazę "hot–plate" wg kryterium: Wszystkie pola


Wyświetlanie 1-2 z 2
Tytuł:
Process analysis of the hot plate welding of drive belts
Autorzy:
Wałęsa, Krzysztof
Malujda, Ireneusz
Talaśka, Krzysztof
Wilczyński, Dominik
Powiązania:
https://bibliotekanauki.pl/articles/970577.pdf
Data publikacji:
2020
Wydawca:
Politechnika Białostocka. Oficyna Wydawnicza Politechniki Białostockiej
Tematy:
hot plate welding
round drive belts
heating
thermal conduction
plasticizing
Opis:
Most industrial machines use belt transmission for power transfer. These mechanisms often use the round belts of several milli-metres in diameter that are made of thermoplastic elastomers, especially polyurethane. Their production process calls for bonding the ma-terial, which is often performed by hot plate butt welding. In order to achieve proper design of an automatic welding machine, the authors analysed the hot plate welding process of round belts. This process consists of five phases. It is necessary to recognize all the physical phenomena that occur during welding, especially those connected with thermomechanical properties of material. This knowledge is neces-sary to determine the temperature distribution during each step of the process. The paper presents a standard welding cycle together with an explanation of the physical phenomena in each phase. An analysis of these fundamentals will be used to derivate the function of tem-perature distribution during all process phases. In addition, some assumptions for calculation of temperature distribution and some funda-mental physic correlations were presented.
Źródło:
Acta Mechanica et Automatica; 2020, 14, 2; 84-90
1898-4088
2300-5319
Pojawia się w:
Acta Mechanica et Automatica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Shaping the parameters of cylindrical belt surface in the joint area
Autorzy:
Wałęsa, Krzysztof
Malujda, Ireneusz
Wilczyński, Dominik
Powiązania:
https://bibliotekanauki.pl/articles/386444.pdf
Data publikacji:
2019
Wydawca:
Politechnika Białostocka. Oficyna Wydawnicza Politechniki Białostockiej
Tematy:
hot plate welding
flash
flash removing
surface processing
cutting
round drive belts
Opis:
Most of the industrial machines use round-shaped drive belts for power transfer. They are often a few millimetres in diameter, and made of thermoplastic elastomer, especially polyurethane. Their production process requires the bonding step, which is often performed by butt welding, using the hot plate method. The authors have undertaken to design an automatic welding machine for this purpose. Consequently, it is required to carry out a process analysis of hot plate welding, which entails describing the dependency between technological parameters (temperature, pressure force, time) and the quality of the joint, especially the outer surface of the belt around the weld. To analyse this process in a proper way, it is necessary to describe the physical phenomena that occur in the material, during particular operations of the hot plate welding process. One of the most troublesome phenomena occurring during the welding process is removing of the flash. These round rings, placed around the weld, which remains after the joining process, are unacceptable in the finished component. The authors took an effort to design the necessary equipment for removing of the flash after welding, using some simple parts that cut off excessive material. The paper shows the three possible solutions for flash removal. They were verified experimentally, and afterwards, the best solution was chosen. Additionally, a number of analytical calculations were carried out in order to determine the maximum force value required for this operation. Results of the analytical calculations were compared with experimental results.
Źródło:
Acta Mechanica et Automatica; 2019, 13, 4; 255-261
1898-4088
2300-5319
Pojawia się w:
Acta Mechanica et Automatica
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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