Temat: podnośnik - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: A specific problem of mechanism synthesis
Autorzy:: Buśkiewicz, J.
Powiązania:: https://bibliotekanauki.pl/articles/955219.pdf
Data publikacji:: 2014
Wydawca:: Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:: podnośnik
podajnik
teoria maszyn i mechanizmów
six-bar linkage
open path synthesis
feeder design
Opis:: A technique for path synthesis is employed to design a feeder for carrying products between two points. The feeder is assumed to be a one degree of freedom system of six links connected by means of revolute joints. The mathematical basis of the concept is presented. An exemplary solution is presented and discussed.
Źródło:: International Journal of Applied Mechanics and Engineering; 2014, 19, 3; 513-522
1734-4492
2353-9003
Pojawia się w:: International Journal of Applied Mechanics and Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Kinematic analysis of CPM machine supporting to rehabilitation process after surgical knee arthroscopy and arthroplasty
Autorzy:: Trochimczuk, R.
Kuźmierowski, T.
Powiązania:: https://bibliotekanauki.pl/articles/955235.pdf
Data publikacji:: 2014
Wydawca:: Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:: rehabilitacja
analiza kinetyczna
artroskopia
podnośnik
rehabilitation
CPM machine
kinematic analysis
arthroscopy
arthroplasty
four bar linkage mechanism
crank-slider mechanism
Opis:: Existing commercial solutions of the CPM (Continuous Passive Motion) machines are described in the paper. Based on the analysis of existing solutions we present our conceptual solution to support the process of rehabilitation of the knee joint which is necessary after arthroscopic surgery. For a given novel structure we analyze and present proprietary algorithms and the computer application to simulate the operation of our PCM device. In addition, we suggest directions for further research.
Źródło:: International Journal of Applied Mechanics and Engineering; 2014, 19, 4; 841-848
1734-4492
2353-9003
Pojawia się w:: International Journal of Applied Mechanics and Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Initial geometric imperfections: a robust, closed-section cold-formed box profile application subject to local buckling
Autorzy:: Brambatti Junior, N.
Walber, M.
de Meira Junior, A. D.
Powiązania:: https://bibliotekanauki.pl/articles/1839887.pdf
Data publikacji:: 2021
Wydawca:: Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:: podnośnik kubełkowy
wyboczenie lokalne
metoda elementów skończonych
badanie eksperymentalne
bucket elevator
box profile
local buckling
finite element method
experimental test
initial geometric imperfections
Opis:: Initial geometric imperfections are important for simulating local buckling in numerical models. References are found in the technical literature regarding open-section cold formed profiles. This work presents new procedures applied to a robust and closed-section cold formed profile subject to local buckling, and the use of procedures described in the technical literature already successfully used for open section profiles. The difference of this work in relation to the research already carried out is in the type of profile studied, in the mode of failure of the same and in the form of determination of the initial imperfections. The object of study of this work is a closed-section cold formed box profile with a short length when compared with its cross section and with local buckling failure mode. The strategies used in the present work to consider the initial geometric imperfections were to perform the linear stability analysis using the finite element method to obtain the local buckling mode that represents the deformed box profile geometry, to apply a multiplication factor in the displacements, replace the new geometry node coordinates for all profile nodes to induce the local buckling deformation mode, with model validation through experimental testing and the Effective Width Method (MLE) (ABNT NBR 14762 [1]). Finally, using the results of the collapse load of the experimental trial as a basis, it was possible to compare the results obtained by MLE and MEF. Thus, the presentation of this work used a methodology that describes the local buckling behavior and verified the precepts of the existing norms on the subject, combining theoretical and experimental methods, as they bring a better understanding of the structural problem in question.
Źródło:: International Journal of Applied Mechanics and Engineering; 2021, 26, 1; 18-44
1734-4492
2353-9003
Pojawia się w:: International Journal of Applied Mechanics and Engineering
Dostawca treści:: Biblioteka Nauki

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