ECCENTRIC BORING EQUIPMENT USING VERTICAL LATHE

摘要

An eccentric boring equipment using a vertical lathe is provided to perform boring easily eccentric two insertion hole without using a thinning center or an eccentric movement chuck. An eccentric boring equipment using a vertical lathe comprises a vertical lathe(1); a frame(50) attached to a cutting tool mounting plate(30); a rotary shaft(60) pivotally installed to the frame; a second cutting tool(80) which is installed to be protruded to the side in the bottom of the rotary shaft; a driving unit(70) generating a driving force, installed at the frame, rotating the rotary shaft of the frame; and a rotation preventive device(12) limiting rotation of a chuck.