1. To reduce the quality of the tool, reduce the number of tool components, simplify the structure of the tool In the blade structure, should pay attention to avoid and reduce the stress concentration, the blade on the body will cause stress concentration, reduce the strength of the body, Groove and groove bottom with sharp corners. At the same time, the structure of the blade body should be symmetrical to the rotary axis, so that the center of gravity through the milling cutter axis. Blade and knife seat clamping, adjust the structure should be as much as possible to eliminate the clearance, and requires a good repeatability. High-speed milling cutter has been widely used HSK tool holder and machine tool spindle connection, a greater degree of progress in the tool system stiffness and repeat positioning accuracy, is conducive to the cutting speed of the tool cutting speed.

    

    2. Improved tool clamping method Simulation and rupture test studies have shown that high-speed milling cutter blade clamping method does not allow the use of the usual friction clamping, with a central hole with the blade, screw clamping, or special Design the tool structure to prevent the blade from flying. Knife seat, the direction of the clamping force of the blade * and the direction of the same centrifugal force, and to control the screw preload, to prevent the screw due to overload and early damage.

    

    3. Progressive tool dynamic balance of the progress of the dynamic balance of the tool for the safety of high-speed milling cutter has a great help. Since the unbalanced amount of the tool produces an additional radial load on the spindle system, its size is proportional to the square of the speed. If the mass of the rotating body is m, the eccentricity of the center of mass and the center of the rotating body is e, the inertial centrifugal force F caused by the unbalance is F = emω2 = U2 where U is the tool system unbalance, e is the center of the tool system Quantity, m is the quality of the tool system, n is the tool system speed, and ω is the tool system angular velocity. As can be seen from the above equation, the dynamic balance of the progressive tool can significantly reduce the centrifugal force and improve the safety of the high-speed tool.