Net formula inserted tooth die casting

The utility model discloses a net formula inserted tooth die casting, it is including the die casting body, and this die casting body is by the integrative injection molding of die casting base member and a plurality of parallel arrangement's fin, wherein, the fin top all sets up the direction along its tip to have the several fin that sets up of interval is recessed in order, and the fin is protruding, the fin arch is all inlayed and is located in the said die casting base member, just the fin is recessed, and the bellied length of fin reaches adjacent interval between the two and is 2mm-20mm. The utility model discloses an improved the cohesion between die casting base member and the fin, and the combination gap between fin and the aluminum alloy die casting base member processes and processes the back reduction and to being lighter than 4 mu m within ranges, satisfied the performance requirement of customer to the product preceding