The invention relates to an orientation order distribution of
diamond in a
tool bit realization method. A dip mold with round orifice structure is adopted, a needle rod coordinated with the round orifice is arranged in the round orifice, the needle rod firstly descends the height of one
diamond when beginning cold pressing, then a skip car equipped with diamonds streaks the dip mold and then streaks out, thus realizing putting one
diamond in each needle hole, the dip mold containing the diamond descends to form a
powder-loaded die cavity, the die cavity is filled with matrix
powder and the needle rod pushes the diamond into the matrix
powder, and then a top mold descends for pressing and forming on the matrix powder, thus obtaining single layer
tool bit blank with orientation order distribution of diamond. One or a plurality of orientation order distribution of
diamond tool bit blanks in different needle hole distribution
modes which are pressed by different molds are assembled, pressed and sintered in certain way, thus realizing orientation order distribution of diamond in
tool bit three dimensional space. The method utilizes popular cold and
hot press device applied in the industry and has the characteristics of high preparation efficiency and low cost.