Needle slot on the neilsbed armor plate is usually milled one by one by milling machine controlled manually.

针床钢板上的针槽通常是由制用铣床一条条铣出来的，费费时，铣槽精度低。

Packng tools, Packing cutter, Gasket cutter, SWG winding machine, bending machine, Groover, Angling machine, Double jacketed machine, Gasket cutting machine, Puncher, Calender, Braider and so on.

密封机械 ：盘，盘切割，垫片切割，缠绕机，盘环机，铣槽机，倒角机，包覆机，双翦机，点焊机，冲齿机，辊压机，盘编织机。