BUILT-UP CUTTING TOOL Russian patent published in 1994 - IPC

FIELD: machining. SUBSTANCE: tool has a clamp, clamping screws and a thrust strap made with a wedge member and for movement in a longitudinal groove for fixing a removable cutting plate positioned in an inclined rectangular step on a holder end. A projection tapered towards the step is made in the holder in parallel to the step located on its end. The clamp is made with two side projections one of which is made with an inner taper towards the cutting plate and engageable with the holder slot taper. A longitudinal slot is made in the horizontal plane of the clamp in parallel to the holder projection, a closed groove which bottom is engageable with the upper part of the bearing strap inclined towards the cutting tool tip is made coaxial to the longitudinal slot. The cutting plate is made in the form of a square cross section bar with vertex angles of 90°. EFFECT: improved structure. 3 dwg