Chisels sharoshechny 215,9 SZGV, SZGNU. Tool boring and mine

Chisel sharoshechny — a kind of drilling equipment, the tool of career machines of rotary drilling which rock cutting is splitting up, drobyashche-chopping off, with arms of a sharoshka in the form of the teeths of various length and a configuration or probes, vpressovanny on it, milled on it from a firm alloy — tungsten carbide, applied to mechanical destruction of rock from a well, soft to very strong in the course of drilling.

The main design features of a chisel of sharoshechny each standard size are the design of sharoshka, the scheme of support, flushing devices, a naplavka of teeths a firm alloy and equipment of sharoshka hard-alloy teeth. The type of a chisel sharoshechny is defined by an arrangement of sharoshka and equipment their teeths.