目前,日本采用薄壳铸造法的厂家有四百多家,每年树脂消耗量约二万吨,这个数字仅次于美国,居世界第二位,比整个欧洲的总和还多。并且今后还将有所增加。薄壳铸造法引进日本以后,首先利用在壳芯上,特别是利用在中空壳芯上。之后,采用翻斗法进行了壳型的制造,然后用吹制法又进行了大型壳芯的制造。同时制造了为叠箱造型 At present, there are more than 400 Japanese manufacturers that use the shell casting method, and annual resin consumption is about 20,000 tons. This figure is second only to the United States, ranking second in the world and more than the sum of the whole Europe. And in the future will also increase. After the introduction of shell casting method in Japan, the first use of the shell core, especially in the hollow shell core. Thereafter, the shell type was manufactured by a tipping bucket method, and then a large shell core was manufactured by a blow molding method. At the same time created for the stacker modeling