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.
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。
Constant face dirver is a dind of new type machine tool accessory designed and produced by our factory.
端面拔动顶尖是我厂设计，开发和制造的机床附件，主要用于加工轴尖零件。
The spindle structure of milling head type machine tool is made up of multi-elements and complex bearing, thus the dynamic characteristics will be influenced.
铣头式机床的主轴是多组件、复合支承的特殊结构，影响机床动态性能。
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