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    Wyświetlanie 1-4 z 4
    Tytuł:
    Experimental mechanical security assessment used in torsionally flexible Raptor-SK couplings
    Autorzy:
    Filipowicz, K.
    Kuczaj, M.
    Gruszka, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/111376.pdf
    Data publikacji:
    2018
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
    Tematy:
    safety couplings
    selection of shear pins
    strength tests of pins
    Opis:
    Dodge®Raptor series couplings belong to inseparable, mechanical, and torsionally flexible couplings with the possibility of compensating for the misalignment of axes. In the couplings with the Raptor-SK design, shear pins were additionally applied to protect the drive system from overload. The use of „fuses” in the coupling in the form of shear pins limits the value of the transferred torque to a set (safe) value; beyond which, it is cut off and the drive is consequently disconnected. In this work (with reference to the Raptor-SK coupling), calculations were made to select the diameter of the shear pins depending on the value of the limit torque Mgr. In order to assess the correctness of the selection of pins used in the coupling mechanism, experimental tests were carried out using a testing machine. A comparison was made between the design calculations of the shear pins and the results of research on a test bench.
    Źródło:
    Mining – Informatics, Automation and Electrical Engineering; 2018, 56, 3; 71-77
    2450-7326
    2449-6421
    Pojawia się w:
    Mining – Informatics, Automation and Electrical Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Force parameters and operating characteristics of safety-overrunning balltype clutch
    Autorzy:
    Malashchenko, Volodymyr
    Protsenko, Vladyslav
    Kłysz, Sylwester
    Nastasenko, Valentyn
    Babiy, Mykhaylo
    Powiązania:
    https://bibliotekanauki.pl/articles/1840855.pdf
    Data publikacji:
    2021
    Wydawca:
    Polska Akademia Nauk. Polskie Towarzystwo Diagnostyki Technicznej PAN
    Tematy:
    safety-overrunning clutch
    half-couplings
    freewheel clutch
    operation accuracy
    overload
    sprzęgło
    dokładność
    przeciążenie
    Opis:
    Article deals with the field of machinery, namely with the protecting of devices for mechanical driving systems. New construction of safety-overrunning clutch, operating on gearing principle, where safety and overrunning parts are mutually integrated, has been proposed and studied in the article. It has practical importance for building, based on modular principles, machines. As the result of the theoretic studies, the expressions to calculate the following specific clutch torques have been obtained: rating torque, torques of beginning and ending of operation. On the basis of the mentioned studies, the expressions to estimate the clutch main operation characteristics have been obtained - nominal torque exceeding coefficient, accuracy and sensitivity coefficients. These expressions are practically important for proposed clutch calculations. The analysis performed demonstrates that in order to increase the clutch load capacity, the grooves must be made with less inclination angles to clutch axis. Obtained results indicate the advisability of installing the clutch on low-speed shafts. It is shown that the clutch overload sensitivity could be increased by the reduction of the spring rigidity. The calculations performed also demonstrate that balls diameter reduction has a positive effect on the clutch operation parameters. Obtained expressions and numerical results are practically important for proposed clutch calculations. It is shown that in terms of the accuracy of operation, the studied coupling fully corresponds to the level of common and investigated designs of safety clutches.
    Źródło:
    Diagnostyka; 2021, 22, 3; 43-50
    1641-6414
    2449-5220
    Pojawia się w:
    Diagnostyka
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Force parameters and operating characteristics of safety-overrunning balltype clutch
    Autorzy:
    Malashchenko, Volodymyr
    Protsenko, Vladyslav
    Kłysz, Sylwester
    Nastasenko, Valentyn
    Babiy, Mykhaylo
    Powiązania:
    https://bibliotekanauki.pl/articles/1840864.pdf
    Data publikacji:
    2021
    Wydawca:
    Polska Akademia Nauk. Polskie Towarzystwo Diagnostyki Technicznej PAN
    Tematy:
    safety-overrunning clutch
    half-couplings
    freewheel clutch
    operation accuracy
    overload
    sprzęgło
    dokładność
    przeciążenie
    Opis:
    Article deals with the field of machinery, namely with the protecting of devices for mechanical driving systems. New construction of safety-overrunning clutch, operating on gearing principle, where safety and overrunning parts are mutually integrated, has been proposed and studied in the article. It has practical importance for building, based on modular principles, machines. As the result of the theoretic studies, the expressions to calculate the following specific clutch torques have been obtained: rating torque, torques of beginning and ending of operation. On the basis of the mentioned studies, the expressions to estimate the clutch main operation characteristics have been obtained - nominal torque exceeding coefficient, accuracy and sensitivity coefficients. These expressions are practically important for proposed clutch calculations. The analysis performed demonstrates that in order to increase the clutch load capacity, the grooves must be made with less inclination angles to clutch axis. Obtained results indicate the advisability of installing the clutch on low-speed shafts. It is shown that the clutch overload sensitivity could be increased by the reduction of the spring rigidity. The calculations performed also demonstrate that balls diameter reduction has a positive effect on the clutch operation parameters. Obtained expressions and numerical results are practically important for proposed clutch calculations. It is shown that in terms of the accuracy of operation, the studied coupling fully corresponds to the level of common and investigated designs of safety clutches.
    Źródło:
    Diagnostyka; 2021, 22, 3; 43-50
    1641-6414
    2449-5220
    Pojawia się w:
    Diagnostyka
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Load capacity and design parameters of ball-type safetyoverrunning clutch with inclined grooves sides
    Autorzy:
    Protsenko, Vladyslav
    Malashchenko, Volodymyr
    Kłysz, Sylwester
    Nastasenko, Valentyn
    Babiy, Mykhaylo
    Avramenko, Oleksiy
    Powiązania:
    https://bibliotekanauki.pl/articles/2146731.pdf
    Data publikacji:
    2022
    Wydawca:
    Polska Akademia Nauk. Polskie Towarzystwo Diagnostyki Technicznej PAN
    Tematy:
    safety-overrunning clutch
    torque
    overload
    semi-couplings
    freewheel clutch
    operation sensitivity
    operation accuracy
    sprzęgło
    moment obrotowy
    przeciążenie
    dokładność
    Opis:
    Article deals with safety-overrunning clutches for mechanical transmissions. Modern design of safetyoverrunning clutch with grooves sides inclined to semi-coupling radius has been described and researched in the article. It has practical value for creation modular-type machines. On the basis of the theoretic studies, the expressions for obtaining the main specific operation parameters have been proposed: rating torque, beginning and ending operation torques. As the result of the studies, the equations for estimation the clutch main operation characteristics have been received - rating torque exceeding coefficient, coefficients of clutch accuracy and sensitivity. On account of modeling and comparison with clutch where grooves sides are parallel to the radius made a number of important conclusions. The analysis performed demonstrates that clutches with inclined to radius grooves sides in general have higher operation characteristics compared with clutches with parallel to radius grooves sides, particularly higher accuracy coefficient and lower rating torque exceeding coefficient. Obtained results make it possible to recommend for highly loaded large-mass systems clutches with low values of grooves to clutch axe and grooves sides to radius inclination angles, because it provides balls contact with plane sides grooves surfaces and through this allows to decrease contact stresses compared with clutches with grooves sides parallel to radius; allows to provide high load capacity with low rating torque exceeding in overload mode; in clutches with inclined to radius grooves sides friction impact manifests less in operation with high rotation frequency.
    Źródło:
    Diagnostyka; 2022, 23, 4; art no 2022403
    1641-6414
    2449-5220
    Pojawia się w:
    Diagnostyka
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
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