THE RESEARCH OF CIRCULAR SAW BLADE STABILITY STATE FOR THERMAL FRICTIONAL CUTTING BY THE METHOD OF CALCULATION IN THE FORM OF A HINGELESS CIRCULAR ARCH
Sherov K.T. Donenbayev B.S. Sikhimbayev M.R. Kuanov I.S. Tazhenova G.D.
2022National Academy of Sciences of the Republic of Kazakhstan
News of the National Academy of Sciences of the Republic of Kazakhstan, Series of Geology and Technical Sciences
2022#2022Issue 4240 - 251 pp.
The productive and uninterrupted operation of the chemical, oil, geological exploration and other sectors of the national economy of the Republic of Kazakhstan directly depends on the quality of manufacturing of parts and components of process equipment. The manufacture, repair and restoration of parts and assemblies of technological equipment are carried out by mechanical repair production, where the main mechanical operation is the cutting operation. The authors have developed a method for thermal friction cutting with pulsed cooling. A disc saw is used as a cutting tool. In this article, a scientific and theoretical study of the state of stability of a disc saw for thermal friction cutting was carried out by the calculation method in the form of a circular hingeless arch. A calculation method is proposed for determining the state of stability of a saw blade. The form of buckling of a hingeless arch is also determined. Based on the results of the research, the following conclusions can be drawn: the efectiveness of the finite diference method for calculating the state of stability of a circular saw is shown, using a rod calculation model in the form of a circular hingeless arch for half of the circular saw that has penetrated into the body of the material being cut, the form of buckling under a complex loading scheme has a “multi-wave “ character.
bending moments , Circular saw blade , cross forces , hingeless arch stability , longitudinal forces , rod model , thermal frictional cutting
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S. Seifullin Kazakh Agro Technical University, Nur-Sultan, Kazakhstan
Karaganda Economic University of Kazpotrebsoyuz, Karaganda, Kazakhstan
Karaganda Technical University named after A. Saginov, Karaganda, Kazakhstan
S. Seifullin Kazakh Agro Technical University
Karaganda Economic University of Kazpotrebsoyuz
Karaganda Technical University named after A. Saginov
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