技术历史综述利用气力预紧实与随后压实来紧实砂型的设想,已有近一百年之久了。从一八八四年起这个建议就已众所周知。虽然相应的机器有多种多样的发展,但这种工作方法只是很缓慢地进入铸造技术中。直到近年来,它才在广泛的基础上得到突破。对此,这个方法所具有的良好环境,明显地起了推动作用。震击式造型 Technical History Summary It has been almost a hundred years since the concept of sand compacting was used to compaction and subsequent compaction. This proposal has been well known since 1884. Although the corresponding machine has a wide range of development, but this method of work is only very slowly into the casting technology. Only in recent years has it achieved a breakthrough on a broad basis. In this regard, this method has a good environment, obviously played a catalytic role. Shock style