Abstract
The device is designed for the solutions of the ready-deformation, hard feeding of the boring rod of conical deep-hole boring, and of impossible boring by the gun drill, BTA drill and DF drill during conical deep-hole boring. The central hole of the boring rod is fitted with boring cutter, rod with double cones, cylindrical rod, threaded and splined rod. The front cone of the rod with double cones is set through the conical hole of boring cutter and reaches only one side of the hole. The rear one of the rod with double cones is in contact with the one end of the springing rod of which the other reaches the surface of bored work piece. The industrial endoscope is set within the hole drilled in boring rod. The servo motor, by the way of NC device, is linked with pulse generator, which connects the principal axis of lathe. The design is advantaged with a springing rod which prevents the deformation of boring rod, and with servo motor, NC device, and industrial endoscope supporting conical deep-hole boring of high precision.
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