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由于技术的发展,必须得到沿长度方向变断面的管材。这种管材对钻探设备具有重要意义。在用具有螺纹的套管连接平滑的管子时,会使断面削弱。为了防止削弱,采用了内径或外径局部加大的管材。近来,采用铝合金制造钻探钻,这种合金的重量要比钢的重量轻得多,并且在室温下具有较高的单位强度。本文将阐述用д16T、ABT1合金和CAП-1烧结铝粉挤
Due to the development of technology, it is necessary to obtain a pipe having a variable cross-section along the length. This pipe is of great importance to drilling equipment. When connecting a smooth tube with a threaded sleeve, the section will be weakened. In order to prevent weakening, the use of internal diameter or diameter of the pipe to increase locally. Recently, drilling drills made of aluminum alloy, which weighs much less than steel and has higher unit strength at room temperature. This article describes the use of д16T, ABT1 alloy and CAП-1 sintered aluminum extrusion