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1
Content available Monitoring of belt floating under controlled belt transmission load
Mascenik Jozef, Coranic Tomas, Ruzbarsky Juraj, Krenicky Tibor
Mining Machines
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2023
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vol. 41, iss. 2
107--118
EN
The paper focuses on experimental monitoring of tightening and floating of the belt at controlled loading of belt gear. In general, the belt gear is referred to as friction gear in practice the primary function of which is to transfer the performance as a consequence of frictional forces occurring between a driven belt pulley, a driving belt pulley and a flexible element. In experimental measurements, the flexible element is represented by a V-belt. The main advantages of the belt gears are peripheral speed, flexible engagement, silent running, vibration absorption and their price. Standard operation of the belt gear requires correct belt tightening which is achieved by movement of a pulley and a tension roll. At the same time, the belt tightening can be achieved by changing the spacing of the shaft axes used in experiments. In the case of belt gears use, specific principles must be observed. The principles include tightening of the belt with particular force which represents, in fact, primary condition of transmission of motion and force. At rest, the tension of both belt parts is identical. Complex analysis of belt gears was followed by experimental measurements on the stands designed for testing and monitoring of belt gears. For the purposes of monitoring of the belt floating there was a system designed which used a high precision sensor to measure distance between the belt and the sensor. At the same time, a device designed to determine the belt tightening was used as well. All measurements were analysed and collected data and facts were used to determine dependencies possible to be applied when the monitored parameters are evaluated. The results of experimental monitoring of the selected parameters at controlled loading of the belt gear can be useful in practice for designing, checking and maintenance operations.
2
Content available Experimental determination of the belt transmission slip
Mascenik Jozef, Murcinkova Zuzana
Management Systems in Production Engineering
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2019
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nr 4 (27)
205--210
EN
The presented paper provides the alternative options for determining the condition of belt gear based on the testing and monitoring. In order to carry out experimental measurements, a newly developed device for testing, monitoring and diagnostics of belt drives was designed, as well as the possibility of determination of limit states by extreme loads. The designed measuring stand allows to determine the point of destruction of the belt for an extreme load. The main objective of the experimental measurement was to determine the slip of the wedge-shaped belt. The slip was evaluated by the coefficient of belt creeping and the specific belt slip by means of the measuring stand. The measurements on the proposed device can be made when the input speed from the electric motor and the transmitted torque of the belt gear are constant while the tensioning force of the belt drive is changing or the measurements can be made when the tensioning force and input speed of the belt drive are constant and the torsional moment changes. The monitoring of specified parameters for determining the belt gear slip is made by means of sensors located at predetermined locations from which data is processed by a PC. In the paper, the analytical calculation is processed, from which the values are compared with the values measured on the proposed device.
3
Content available Tendencje projektowania pasów zębatych
Domek G.
Zeszyty Naukowe. Transport / Politechnika Śląska
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2014
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z. 82
59--66
PL
W pracy przedstawiono stan rozwoju techniki przekładni z pasami zębatymi. Obszary zastosowań stwarzają nowe wyzwania dla konstruktorów przekładni. W artykule zostały wskazane materiały i technologie wykorzystywane w produkcji. Opracowany został algorytm projektowania pasów zębatych do nowych aplikacji.
EN
Paper presents the state of the art gear with timing belts. Areas of use pose new challenges for designers gear. It has materials and technologies used in the production. Has been developed algorithm of design timing belts to new applications.
4
Content available remote Deformation of the Belt on the Bow of Grinding the Belt Wheel
Dudziak M., Domek G.
Machine Dynamics Research
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2011
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Vol. 35, No. 2
7-12
EN
In the work are the results of the investigations of the deformation of teeth are touched he tends toothed in the working synchronic transmission. The reference of this process to the principle of overlapping in the toothed transmission cylindrical lets observe the row of common features and also differences.
5
Content available remote Analiza metod obliczania przekładni pasowych z wykorzystaniem programów komputerowych
Domek G.
Mechanik
|
2010
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R. 83, nr 1/S
30-34
PL
Proces projektowania przekładni obejmuje analizę ogromnej grupy dostępnych rozwiązań. Konstruktor przekładni pasowej musi znać pasy i materiały stosowane do ich produkcji. Przystępując do projektowania przekładni trzeba mieć wiedzę o aktualnym stanie techniki i produkcji tego typu przekładni. Program, który dostarcza producent, ogranicza wybór tylko do jego produktów. W obliczeniach przekładni pasowej należy wykorzystać kilka programów. Pozwala to walidować wyniki i uzyskać optymalne rozwiązanie przekładni.
EN
The work presents methods of calculation in computer programs, of belts' gears. Appropriate analysis of designing process allows for choosing the optimum belt gear and is a kind of guide for belts producers. Calculation program must be updated together with creation of belts' constructions and should consider whole group of belt gears.
6
Zużywanie objętościowe pasów w maszynach spożywczych
Domek G., Warmbier K.
Inżynieria i Aparatura Chemiczna
|
2008
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Nr 2
14-16
PL
Zużycie objętościowe pasów maszyn spożywczych wiąże się z mo-żliwościąprzedostawania się produktów zużycia do produkowanej żywności. Analiza mechanizmu powstawania tego rodzaju zużycia, projektowania i zabezpieczania przekładni pozwala podnieść poziom bezpieczeństwa produkowanych maszyn i jakości żywności.
EN
A volumetric wear of belts used in food processing machines is caused by transfer of wearing away product into produced food. The analysis of occurrence of such attritions, appropriate design and protection of the gear system enable one to increase food quality and a safety level of new produced machines.
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