Abstract: The forming process of a blender’s shell was analyzed, and the structure of their injection molds and working principle were described. The injection mold for this blender’s shell was designed, and it includes inner slides on front cavity, angledlift splits, tunnel slides on the stationary mold fixed half, slides on the movable mold fixed half, and angles from pin, etc. The injection molding was also carried out successfully for the blender’s shells.

Key words: injection mold, blender’s shell, side core-pulling mechanism, design