deep hole boring head, BTA deep hole drill head, BTA drill head

الوصف

The deep-hole boring head is divided into 2 types: split and combined. Deep-hole boring head is one of tools for a deep hole cutting. Deep hole cutting tools can be divided into: deep hole drill, deep hole rolling head, deep hole boring head. They come for deep hole machining in this sequence: first to drill, then to roll, and finally to bore. The new deep-hole boring head is a three-blade BTA deep-hole boring head, with internal chip-discharging, with 2 guide bars and 3 cutting blades from the same cylindrical surface fixed on boring body. 2 chip outlets are set on boring head, cavity of which below the lower semicircle extends **5mm forwards. With internal chip-removal system, fuel supply comes in from upstream outside the boring bar, and goes out with chips downstream the cavity after operation through guide bar and cutting edge, which are cooled and lubricated sufficiently. On this basis, furthermore, cutting edges and guide bar made of super-stiff material can be chosen simply for the boring of both high speed and high precision.