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我厂铸工车间于1963年初着手在四工位造型机上试验电磁微振压实造型新工艺,于同年下半年基本上试验成功。几年来的实践证明,电磁微振器的性能良好,完全能满足造型要求。因此已广泛装备到我厂现有的三工位半自动造型机、单机半自动造型机、双缸造型机等上面,现简介如下。一、电磁振动器的结构 1.电磁振动器类似一般电磁铁(图1),为适合造型时微振的需要应适当地考虑振动器几何形状、尺寸。撞击行程δ与振动力大小有关。δ太小,振动力小;δ太大,则部件容易损坏。我们认为采用2～3毫米较为适当。
I plant foundry workshop in early 1963 started four-station molding machine electromagnetic micro-vibration compaction molding new technology, basically the second half of the same year the successful test. Years of practice has proved that the performance of electromagnetic micro-vibration well, can fully meet the modeling requirements. Therefore, it has been widely equipped to our existing three-station semi-automatic molding machine, single semi-automatic molding machine, twin-cylinder molding machine, etc., are briefings are as follows. First, the structure of the electromagnetic vibrator 1. Electromagnetic vibrator similar to the general electromagnet (Figure 1), to fit the needs of micro-vibration modeling should be properly considered vibrator geometry, size. The impact stroke δ is related to the vibration force. δ is too small, the vibration force is small; δ is too large, the parts are easily damaged. We think it is more appropriate to use 2 ~ 3mm.