海水环境电弧切割工艺研究
Research on Arc Cutting Technology in Seawater Environment
赫明泽 1李辰龙 1顾琳1
作者信息
- 1. 上海交通大学机械与动力工程学院,机械系统与振动国家重点实验室,上海 200240
- 折叠
摘要
根据高速电弧放电加工原理及海水电解质的特点,进行了海水环境下的高速电弧切割工艺研究.该方法利用脉冲放电形成电弧,使用高能量电弧等离子体将工件材料蚀除,并利用极间高速流体将切割过程中的蚀除产物排出间隙,从而实现高效、低成本的海水中切割.该方法获得的切缝整齐,残渣少且无搭桥现象.在工艺实验中,使用钨电极对 10 mm厚的不锈钢板进行切割验证,并分析了脉宽、脉间及冲液压强对切割时进给速度、切缝下口宽度和电极损耗的影响.结果表明,通过选择合适的加工参数,能实现海洋环境下的高效切割过程.
Abstract
Aiming at the problems of large electrode loss or poor seam quality in existing thermal cutting methods,a rod-shaped electrode cutting method using in seawater environment was proposed according to the principle of high-speed arc discharge machining.High-energy arc plasma was used to thermally corrode the workpiece,and the corroded particles in the cutting process were discharged through the action of high-speed fluid between electrodes.It can achieve high efficiency and low cost underwater cutting,and obtain neat slit,less slag hanging phenomenon and no bridge phenomenon.Tungsten electrode is used to cut 10 mm thick stainless steel plate.The influence of pulse width,pulse interpulse and flush pressure on feed speed,slit width and electrode loss is analyzed.The results show that the efficient cutting process in seawater environment can be realized by selecting suitable machining parameters.
关键词
海水环境/高速电弧放电加工/电弧切割/全因子实验Key words
seawater environment/BEAM/underwater arc cutting/design and analysis of experimen引用本文复制引用
出版年
2024
NETL
NSTL
万方数据