| 震压式造型机的工作原理 |
| 添加时间：2017/6/3 21:52:23 浏览次数： |
| 对震实的砂型再进行压实，可以获得上下部紧实的砂型。常用的是微震压实式造型机(微震压实式造型机 )是利用工作台下落与浮动的震铁相撞，微震紧实型砂，再进行压实。微震是以较高频率(500～1000次/分)，小振幅(5～25毫米)的振动代替震实式造型机的低频率 (60～120次/分)﹑大振幅的振动。这种造型机的优点是设备造价低，操作简单，所造砂型紧实度基本均匀，对厂房基础要求也较低。缺点是噪声严重，工人劳动强度大，生产效率低下，环境污染较严重。 The shemer type of the shaker is compacted, and the sand type is compacted in the upper and lower parts. Commonly used is the micro vibration compacting moulding machine (micro vibration compacting moulding machine) is the use of workbench whereabouts collided with floating shock iron, microtremor tight sand, and then to compaction. Microtremor in high frequency (500 ~ 1000 times/min), the vibration of the small amplitude (5 ~ 25 mm) instead of vibrated moulding machine of low frequency (60 ~ 120 times/min), a large amplitude vibration. The advantage of this kind of molding machine is that the equipment cost is low, the operation is simple, the sand type compaction is basically uniform, and the basic requirements of the plant are low. The disadvantage is that the noise is severe, the workers are very strong, the production is inefficient and the pollution is serious. |
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