1998 - FMTÜ III. sz.

 

Recent Submissions

  • Johanyák, Zsolt Csaba (Erdélyi Múzeum-Egyesület, 1998)
    ABSTRACT One of the key problems when developing an expert system is the knowledge engineering. This paper presents some methods of knowledge acquisition, which were used during the development of an expert system for ...
  • Szabó, Péter (Erdélyi Múzeum-Egyesület, 1998)
    Abstract This four pages contain the results of a research work, in which the strength index numbers of spot welded joints of unalloyed aluminium-sheets and the relationship between technology and strength under the given ...
  • Bitay, Enikő; Roósz, András (Erdélyi Múzeum-Egyesület, 1998)
    Abstract An usual technology in case of the structural material to change the properties of the surface (i.e. the hardness) of tough basic material is to change the structure and/or the composition of the surface by a ...
  • Jónás, Zsolt (Erdélyi Múzeum-Egyesület, 1998)
    ABSTRACT There are some physical properties which not easy to measure such as thermal conductivity. The available measurement procedures are too difficult or the measurement instruments too expensive for us. The mathematicians ...
  • Kiss, József Ákos (Erdélyi Múzeum-Egyesület, 1998)
    Abstract Digital Signal Processing have known in recent years an exponential grow. Digital Signal Processors (DSPs)can be found almost in every application. With the introduction of Field Programmable Gate Arrays (FPGAs) ...
  • Johanyák, Edit (Erdélyi Múzeum-Egyesület, 1998)
    Abstact The different heat treatment processes are known to induce residual stresses. These stresses cause difficulty in maintaining close tolerances on the components during manufacture and also can induce distortion. ...
  • Jálics, Károly (Erdélyi Múzeum-Egyesület, 1998)
    ABSTRACT In my presentation the main problem is about the evolution, advantages and disadvantages of the noice (vibration) analysis. I mention the usable devices (detector,amplifier,analyzer), and the Fast Fourier Transform ...
  • Dudás, Illés; Bányai, Károly; Bajáky, Zsolt (Erdélyi Múzeum-Egyesület, 1998)
    Abstract The design and exact production method of helical gear-drives adequate to modern requirements (high efficiency, low nőise level, high transmitting-power response, kinematic accuracy) need careful research work. ...
  • Cselényi, József; Kiss, Attila (Erdélyi Múzeum-Egyesület, 1998)
    Abstract A considerable part of material handling machine systems can be constructed from building units. The summaiy of the optimum design principles of these machine systems and the results of the more detailed determination ...
  • Zsók, János Csaba (Erdélyi Múzeum-Egyesület, 1998)
    Summary The proicctcd mctal parts should bc secure in order to endurc the bcaring forcc without damagc. Sintcring is the most frcquently used tcchnologv from modern tcchnologies. thai frequcntlv applics irón and iron ...
  • Torkos, Zoltán (Erdélyi Múzeum-Egyesület, 1998)
  • Tokaji, Zsolt; Szőke, János; Roósz, András (Erdélyi Múzeum-Egyesület, 1998)
    ABSTRACT The new modern methods on the field of material science are the virtual research techniques based on computer models. From economical point of view with the help of the computer models one can save investigation ...
  • Stein, Gábor (Erdélyi Múzeum-Egyesület, 1998)
    ABSTRACT The Hungarian accession to the European Union raises the question of the problem of size-economics in the precious metal industry and the revise of the future of this industry, as well. We can find out from the ...
  • Szabó, Péter (Erdélyi Múzeum-Egyesület, 1998)
    Abstract This four pages contain the results of a research work, in which the strength index numbers of spot welded joints of unalloyed aluminium-sheets and the relationship between technology and strength under the given ...
  • Torkos, Zoltán (Erdélyi Múzeum-Egyesület, 1998)
  • Szaladnya, Sándor; Telek, Péter (Erdélyi Múzeum-Egyesület, 1998)
    Summary Novadays the pneumatic systems are applied in several fields of the Industry. Against numerous advantages (cheaper, more accurate than the electronic systems, etc.), the matematical description of this systems is ...
  • Mészáros, Imre; Tóth, Lajos (Erdélyi Múzeum-Egyesület, 1998)
    Abstract Nowadays the utilisation of ceramics and glasses as structural materials became more and more widespread. The growing interest can be credited to the development of advanced materials possessing higher strength ...
  • Mihálcz, István; Valenta, László; Liszka, Levente (Erdélyi Múzeum-Egyesület, 1998)
    Abstract Nowadays the preparation of the microgrippers, being capable to mount micro-size parts of an micromechanic assembly, becomes very essential due to the increasing importance of the micromechanics. In this paper ...
  • Németh, Géza; Péter, József (Erdélyi Múzeum-Egyesület, 1998)
    Abstract The main difference between the epicyclic gear drives and the harmonic drives is the existance of a toothed wheel with high flexibility in the latter one. The flexible wheel of the harmonic drive derived from the ...
  • Nagy, Zoltán (Erdélyi Múzeum-Egyesület, 1998)
    ABSTRACT This paper prooves, using an analithical method, that the envelope curve of the curves described by the points of a raketype tool edge is the base circle involute.

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