The invention discloses a bar
milling cutter. A convex cutter is included; a cutter groove is formed in the inner wall of the convex cutter; the outer wall of the cutter groove is connected with the inner wall of the convex cutter; a flat cutter is arranged on the outer side of the cutter groove; a material guiding groove is formed in the outer wall of the flat cutter; the outer wall of the material guiding groove is connected with the inner wall of the flat cutter; and a cutter body is arranged on the inner wall of the material guiding groove. According to the bar
milling cutter, due to cooperation among the convex cutter, the cutter groove, the flat cutter and the material guiding groove, under the effects of an
impeller, a notch and a hole channel of a machined workpiece are machined bythe convex cutter, and
cut down fragments can be brought out by the cutter groove during cutter retracting; in order to prevent
tripping of a cutter
handle in a high-speed rotating state, a clampingarm is pressed downwards to fix a sleeve, and therefore the defects that a
tool bit of a traditional bar
milling cutter cannot be fast replaced, and
tool bit connection is not stable can be overcome,the
machining steps are simplified, the overhauling and replacing time is saved for an operator, the work difficulty is reduced for the operator, the work fatigue of the operator is overcome, and thebar milling cutter is applicable to application and popularization.