机床床身，机床床身分析退火种类：常见的退火工艺有：再结晶退火，去应力退火，球化退火，完全退火等。
在整个机床的各个组成部分中，机床床身是一个很重要的大件。
In the various components of machine tools, machine tool bed is a very important big part.
介绍了聚合物混凝土机床床身的制造方法、 动态特性，以及与铸铁机床床身的优劣比较与分析。
The manufacturing method, dynamic characteristics analysis and the comparison with casting machine bed are described in the paper.
粘土湿型砂铸造的铸件重量可从几公斤直到几十公斤，机床床身而粘土干型生产的铸件可重达几十吨。
Green sand casting casting clay weight from a few kilograms until decades kilograms, machine tool lathe bed and clay dry type of casting production can be weighed dozens of tons.
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