First you need the boring for the shaft, then install the stern tube into the stern frame, next fit the gun-metal or white-metal bush.
首先要镗孔，然后安装尾轴管，接下来装炮铜或白合金制的轴承套，也叫轴承。
2
Product use: machining deep hole gun is applicable to stainless steel, aluminum alloy, steel, cast iron and other materials of drilling, deep hole boring of workpiece.
产品用途：适用于普通碳钢、铸铁等各种材质工件深孔镗的钻孔，镗孔，刮削滚轧加工。
3
First you need the boring for the shaft, then install the stern tube into the stern frame, next fit the gun-metal or white-metal bush.