The present invention discloses a lightweight mold of conticaster, which is comprised of molding walls, a water jacket, cooling water pipes and a vibration means etc. The water inlet/outlet pipes including flexible part connect to the vibration mold and stationary supporting frame, and accordingly connected with the cooling water supply pipe and cooling water return pipe respectively disposed in the frame. The selective electromagnetic stirring spools are installed in the supporting frame. The characteristic of the present invention is that the weight of vibration means is smaller than the traditional vibration means, and convenient for making, the structure is also simplified.
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