Green sand casting casting clay weight from a few kilograms until decades kilograms, machine toollathe 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。
2
To create a complex shape which is a starship saucer like this you have to use the Lathetool , which is what this is all about.
要创建一个复杂的形状是这样你必须使用车床工具，这正是这是所有关于飞船飞碟。
3
The feature of machining harden steel by means of EHM are: it can utilize the carbide tool to machine the harden steel in engine lathe.