FIELD: machine building.
SUBSTANCE: boring tool contains a working part with a cutting plate and the coupled housing with a cavity, where the damping device, containing a supporting rod, is placed on extreme parts of which the elastic elements are fixed; on the middle part of the supporting rod the damping element is installed with a possibility of movement, the step ends of which are connected to elastic elements, the damping element is connected to the middle part of the supporting rod by means of threaded connection. The supporting rod is designed monolithic with a working part designed as a solid of revolution with a cylindrical protuberance, the diameter of which is equal to the diameter of the coupled housing, between the cylindrical protuberance and the housing the elastic ring is installed additionally, between the supporting rod thread and the damping element thread the threaded polyamide bushing is installed additionally, and on the area of the opposite end of the base rod the elastic element is installed additionally, and on the diametrically opposite ends of the working part the replaceable cutting plates are installed additionally.
EFFECT: damping capacity improvement.
2 dwg
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