Thermal Pulse Processing of Blanks of Small-Sized Parts Made of Beryllium Bronze and 29 NK Alloy
Isametova M.E. Martyushev N.V. Karlina Y.I. Kononenko R.V. Skeeba V.Y. Absadykov B.N.
October 2022MDPI
Materials
2022#15Issue 19
The presence of burrs on parts is not allowed in high-tech industries; there is a tendency to improve accuracy and quality and to reduce overall dimensions. A high proportion of operations are aimed at removing burrs in the labor intensity of release. Thermal pulse deburring machines are being developed and are applicable for deburring small-sized high-precision parts while providing additional processing conditions. A significant part of the electronic component base—coaxial radio components—is produced from beryllium bronze and the 29 NK alloy. It is not possible to prevent burr formation when cutting these materials. The conditions for deburring by the thermal pulse method are established in compliance with the requirements for deviations in the geometry of parts, for surface roughness and for ensuring maximum processing performance. These are restrictions on the thickness of the burr root, a variant of the arrangement of parts in the chamber of thermal impulse installation, which ensures the prevention of damage to parts during processing. Additionally, it provides access to a combustible mixture of all the surfaces of the parts; there is also a pressure value of the combustible mixture, depending on the characteristics of the thermal pulse installation, the total area of the treated surface, and the thermal conductivity of the materials for workpieces.
29 NK alloy machining , beryllium bronze machining , deburring , thermal pulse machining
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Department of Mechanical Engineering, Institute of Energy and Mechanical Engineering, Satbayev University, Almaty, KZ-050000, Kazakhstan
Department of Advanced Technologies, Tomsk Polytechnic University, Tomsk, 634050, Russian Federation
A. P. Vinogradov Institute of Geochemistry of the Siberian Branch of the Russian Academy of Sciences, Irkutsk, 664033, Russian Federation
Computer Hardware and Software Laboratory, Institute of Information Technologies and Data Analysis, Irkutsk National Research Technical University, Irkutsk, 664074, Russian Federation
Department of Industrial Machinery Design, Novosibirsk State Technical University, 20, K. Marks Ave, Novosibirsk, 630073, Russian Federation
Department of Mechanical Engineering
Department of Advanced Technologies
A. P. Vinogradov Institute of Geochemistry of the Siberian Branch of the Russian Academy of Sciences
Computer Hardware and Software Laboratory
Department of Industrial Machinery Design
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