火花机分(fen)中(zhong)(zhong)(zhong)不(bu)(bu)准(zhun)(zhun)(zhun)确，位(wei)置(zhi)偏(pian)差(cha)(cha)1）使用传统的(de)(de)(de)“电(dian)(dian)极(ji)碰工(gong)(gong)(gong)件(jian)(jian)进行(xing)分(fen)中(zhong)(zhong)(zhong)”的(de)(de)(de)方(fang)法，由于(yu)分(fen)中(zhong)(zhong)(zhong)属于(yu)面接触，电(dian)(dian)极(ji)与工(gong)(gong)(gong)件(jian)(jian)之(zhi)(zhi)间存(cun)在(zai)的(de)(de)(de)诸多因素都会(hui)影响分(fen)中(zhong)(zhong)(zhong)精(jing)度(du)(du)-----推荐使用“基(ji)准(zhun)(zhun)(zhun)球(qiu)(qiu)(qiu)(qiu)点(dian)对(dui)点(dian)进行(xing)分(fen)中(zhong)(zhong)(zhong)”的(de)(de)(de)定(ding)位(wei)方(fang)法。在(zai)工(gong)(gong)(gong)作台上固定(ding)一个基(ji)准(zhun)(zhun)(zhun)球(qiu)(qiu)(qiu)(qiu)作为参照(zhao)，加(jia)(jia)(jia)工(gong)(gong)(gong)前(qian)在(zai)主轴头上装夹一个基(ji)准(zhun)(zhun)(zhun)球(qiu)(qiu)(qiu)(qiu)，对(dui)工(gong)(gong)(gong)件(jian)(jian)进行(xing)分(fen)中(zhong)(zhong)(zhong)，然(ran)后(hou)(hou)再对(dui)工(gong)(gong)(gong)作台上的(de)(de)(de)基(ji)准(zhun)(zhun)(zhun)球(qiu)(qiu)(qiu)(qiu)分(fen)中(zhong)(zhong)(zhong)，这样就得到一个距离关系，之(zhi)(zhi)后(hou)(hou)所(suo)有的(de)(de)(de)电(dian)(dian)极(ji)都对(dui)基(ji)准(zhun)(zhun)(zhun)球(qiu)(qiu)(qiu)(qiu)进行(xing)分(fen)中(zhong)(zhong)(zhong)。2）电(dian)(dian)极(ji)与工(gong)(gong)(gong)件(jian)(jian)基(ji)准(zhun)(zhun)(zhun)面精(jing)度(du)(du)差(cha)(cha)，有杂物----保证电(dian)(dian)极(ji)与工(gong)(gong)(gong)件(jian)(jian)基(ji)准(zhun)(zhun)(zhun)面的(de)(de)(de)精(jing)度(du)(du)，并(bing)擦(ca)拭干净。3）感知速度(du)(du)不(bu)(bu)要(yao)(yao)太快(kuai)（设置(zhi)F：75mm/min）4）使用精(jing)密的(de)(de)(de)装夹定(ding)位(wei)系统。放电(dian)(dian)机加(jia)(jia)(jia)工(gong)(gong)(gong)尺(chi)(chi)(chi)寸(cun)不(bu)(bu)合格(ge)1）加(jia)(jia)(jia)工(gong)(gong)(gong)后(hou)(hou)尺(chi)(chi)(chi)寸(cun)偏(pian)小-----通常(chang)情(qing)况下，使用自(zi)动(dong)编程加(jia)(jia)(jia)工(gong)(gong)(gong)后(hou)(hou)的(de)(de)(de)尺(chi)(chi)(chi)寸(cun)会(hui)稍偏(pian)小，这样更安全。2）电(dian)(dian)极(ji)尺(chi)(chi)(chi)寸(cun)超差(cha)(cha)-----检查电(dian)(dian)极(ji)尺(chi)(chi)(chi)寸(cun)，这是前(qian)提。3）尺(chi)(chi)(chi)寸(cun)精(jing)度(du)(du)要(yao)(yao)求(qiu)极(ji)高-----根(gen)据加(jia)(jia)(jia)工(gong)(gong)(gong)情(qing)况，宁波(bo)宇驰机电(dian)(dian)科技有限公司(si)为您提供(gong) 电(dian)(dian)火花服务，价格(ge)实惠，有需(xu)求(qiu)可(ke)以来电(dian)(dian)咨询！江苏精(jing)密电(dian)(dian)火花加(jia)(jia)(jia)工(gong)(gong)(gong)

1:CNC电(dian)(dian)(dian)(dian)(dian)(dian)火(huo)花(hua)(hua)(hua)成(cheng)(cheng)(cheng)(cheng)型(xing)机(ji)(ji)(ji)(ji)三(san)轴(zhou)或三(san)轴(zhou)以(yi)上(shang)的(de)(de)(de)数控电(dian)(dian)(dian)(dian)(dian)(dian)火(huo)花(hua)(hua)(hua)成(cheng)(cheng)(cheng)(cheng)型(xing)机(ji)(ji)(ji)(ji);其(qi)每个轴(zhou)皆能(neng)(neng)实现(xian)放(fang)电(dian)(dian)(dian)(dian)(dian)(dian)加(jia)(jia)工(gong)(gong)(gong)(gong)(gong)，也可(ke)实现(xian)多(duo)轴(zhou)连动(dong)放(fang)电(dian)(dian)(dian)(dian)(dian)(dian)加(jia)(jia)工(gong)(gong)(gong)(gong)(gong);2:ZNC电(dian)(dian)(dian)(dian)(dian)(dian)火(huo)花(hua)(hua)(hua)成(cheng)(cheng)(cheng)(cheng)型(xing)机(ji)(ji)(ji)(ji)只(zhi)有(you)Z轴(zhou)可(ke)实现(xian)放(fang)电(dian)(dian)(dian)(dian)(dian)(dian)加(jia)(jia)工(gong)(gong)(gong)(gong)(gong);X轴(zhou)及Y轴(zhou)手动(dong)控制，3:特种电(dian)(dian)(dian)(dian)(dian)(dian)火(huo)花(hua)(hua)(hua)成(cheng)(cheng)(cheng)(cheng)型(xing)机(ji)(ji)(ji)(ji)用于特殊(shu)加(jia)(jia)工(gong)(gong)(gong)(gong)(gong)的(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)火(huo)花(hua)(hua)(hua)成(cheng)(cheng)(cheng)(cheng)型(xing)机(ji)(ji)(ji)(ji);如轮胎模具(ju)电(dian)(dian)(dian)(dian)(dian)(dian)火(huo)花(hua)(hua)(hua)成(cheng)(cheng)(cheng)(cheng)型(xing)机(ji)(ji)(ji)(ji)﹑鞋(xie)模电(dian)(dian)(dian)(dian)(dian)(dian)火(huo)花(hua)(hua)(hua)成(cheng)(cheng)(cheng)(cheng)型(xing)机(ji)(ji)(ji)(ji)等(deng)等(deng);双(shuang)头机(ji)(ji)(ji)(ji)电(dian)(dian)(dian)(dian)(dian)(dian)火(huo)花(hua)(hua)(hua)成(cheng)(cheng)(cheng)(cheng)型(xing)机(ji)(ji)(ji)(ji)-双(shuang)机(ji)(ji)(ji)(ji)头火(huo)花(hua)(hua)(hua)机(ji)(ji)(ji)(ji)结(jie)构机(ji)(ji)(ji)(ji)床，双(shuang)系统，生产效(xiao)(xiao)(xiao)率(lv)提(ti)高两倍以(yi)上(shang);-大型(xing)双(shuang)头机(ji)(ji)(ji)(ji)火(huo)花(hua)(hua)(hua)机(ji)(ji)(ji)(ji)同(tong)时加(jia)(jia)工(gong)(gong)(gong)(gong)(gong)同(tong)一(yi)模具(ju)或分别加(jia)(jia)工(gong)(gong)(gong)(gong)(gong)多(duo)个模具(ju)等(deng)多(duo)样(yang)化的(de)(de)(de)放(fang)电(dian)(dian)(dian)(dian)(dian)(dian)方式，可(ke)使效(xiao)(xiao)(xiao)率(lv)化;-电(dian)(dian)(dian)(dian)(dian)(dian)火(huo)花(hua)(hua)(hua)因机(ji)(ji)(ji)(ji)头滑枕部(bu)分采用性的(de)(de)(de)BOX型(xing)结(jie)构，加(jia)(jia)工(gong)(gong)(gong)(gong)(gong)大重型(xing)工(gong)(gong)(gong)(gong)(gong)件时保持高精密(mi)度(du);-电(dian)(dian)(dian)(dian)(dian)(dian)火(huo)花(hua)(hua)(hua)机(ji)(ji)(ji)(ji)床石墨放(fang)电(dian)(dian)(dian)(dian)(dian)(dian)加(jia)(jia)工(gong)(gong)(gong)(gong)(gong)高效(xiao)(xiao)(xiao)率(lv)效(xiao)(xiao)(xiao)果在(zai)同(tong)行(xing)业里(li)，具(ju)优(you)(you)势，同(tong)等(deng)条(tiao)件下(xia)，效(xiao)(xiao)(xiao)率(lv)是(shi)其(qi)2倍以(yi)上(shang);-高效(xiao)(xiao)(xiao)率(lv)，高精度(du)，低损(sun)耗的(de)(de)(de)优(you)(you)越性能(neng)(neng)已(yi)达到(dao)国际同(tong)类产品的(de)(de)(de)先进(jin)水平(ping)优(you)(you)势，是(shi)国内(nei)火(huo)花(hua)(hua)(hua)机(ji)(ji)(ji)(ji)的(de)(de)(de)选择机(ji)(ji)(ji)(ji)床;衢州成(cheng)(cheng)(cheng)(cheng)型(xing)机(ji)(ji)(ji)(ji)电(dian)(dian)(dian)(dian)(dian)(dian)火(huo)花(hua)(hua)(hua)批发数控电(dian)(dian)(dian)(dian)(dian)(dian)火(huo)花(hua)(hua)(hua)加(jia)(jia)工(gong)(gong)(gong)(gong)(gong)是(shi)利用电(dian)(dian)(dian)(dian)(dian)(dian)火(huo)花(hua)(hua)(hua)放(fang)电(dian)(dian)(dian)(dian)(dian)(dian)的(de)(de)(de)原(yuan)理进(jin)行(xing)加(jia)(jia)工(gong)(gong)(gong)(gong)(gong)的(de)(de)(de)一(yi)种技术。

现在模(mo)具加(jia)(jia)工(gong)行(xing)(xing)业使用(yong)多种(zhong)机(ji)(ji)(ji)床(chuang)进行(xing)(xing)作业生产，比方说镜面(mian)火(huo)(huo)花机(ji)(ji)(ji)，但我们经常需要检(jian)查(cha)镜面(mian)火(huo)(huo)花机(ji)(ji)(ji)的加(jia)(jia)工(gong)。下面(mian)群基火(huo)(huo)花机(ji)(ji)(ji)将解(jie)释这些(xie)镜面(mian)j中如何正(zheng)(zheng)(zheng)确检(jian)查(cha)镜面(mian)火(huo)(huo)花机(ji)(ji)(ji)加(jia)(jia)工(gong)？1.镜面(mian)火(huo)(huo)花机(ji)(ji)(ji)运行(xing)(xing)过程中是否(fou)(fou)调整了(le)与手册相反的操作手法，个人(ren)是否(fou)(fou)增加(jia)(jia)了(le)手动操作；2.使用(yong)前检(jian)查(cha)镜面(mian)火(huo)(huo)花机(ji)(ji)(ji)是否(fou)(fou)处于(yu)正(zheng)(zheng)(zheng)常状态，加(jia)(jia)工(gong)台(tai)，钳子(zi)是否(fou)(fou)正(zheng)(zheng)(zheng)常。3.控(kong)制(zhi)面(mian)板上方的每个键是否(fou)(fou)正(zheng)(zheng)(zheng)常工(gong)作。4.系统(tong)的紧急(ji)停止按钮没有处于(yu)紧急(ji)停止状态，导致镜面(mian)火(huo)(huo)花机(ji)(ji)(ji)操作障碍。5.使用(yong)前，请(qing)确认镜面(mian)火(huo)(huo)花机(ji)(ji)(ji)与系统(tong)相连(lian)(lian)。6.确认镜面(mian)火(huo)(huo)花机(ji)(ji)(ji)电缆未损坏(huai)，电源线(xian)或电缆线(xian)连(lian)(lian)接正(zheng)(zheng)(zheng)确。

镜面(mian)火花机(ji)(ji)是模(mo)(mo)具领(ling)域(yu)比(bi)较常用的(de)(de)(de)(de)机(ji)(ji)器(qi)，与其他加工(gong)(gong)设备相比(bi)具有(you)不(bu)可替代的(de)(de)(de)(de)优(you)点(dian)，因此模(mo)(mo)具行业客户(hu)的(de)(de)(de)(de)选择(ze)越来越多。那么，它在(zai)工(gong)(gong)作(zuo)(zuo)性能上有(you)什(shen)么特点(dian)呢？1.控制(zhi)费用比(bi)较下。2.超过100毫米(mi)的(de)(de)(de)(de)工(gong)(gong)作(zuo)(zuo)区表面(mian)厚度(du)介于标准机(ji)(ji)的(de)(de)(de)(de)二分之(zhi)一(yi)到三分之(zhi)一(yi)之(zhi)间。3.加工(gong)(gong)间隔小(xiao)，精(jing)度(du)高(gao)。4.当很难打磨(mo)薄筋或侧面(mian)时，可以获(huo)得良好的(de)(de)(de)(de)剥离工(gong)(gong)作(zuo)(zuo)面(mian)。5.液体处(chu)置不(bu)需(xu)要在(zai)电极上打孔，不(bu)喷(pen)射也能工(gong)(gong)作(zuo)(zuo)。6.比(bi)100多个(ge)放(fang)电区域(yu)更容易研磨(mo)，获(huo)得均匀的(de)(de)(de)(de)工(gong)(gong)作(zuo)(zuo)表面(mian)。7.无需(xu)更换工(gong)(gong)作(zuo)(zuo)量(liang)(liang)，从粗糙(cao)工(gong)(gong)作(zuo)(zuo)到镜子工(gong)(gong)作(zuo)(zuo)，都可以使用单个(ge)插槽。8.只要对重要的(de)(de)(de)(de)粉末添加剂(ji)进行浓(nong)度(du)管(guan)理(li)，就能轻(qing)松(song)提高(gao)整(zheng)体表面(mian)厚度(du)和工(gong)(gong)作(zuo)(zuo)精(jing)度(du)。9.使用量(liang)(liang)为2G/L时，工(gong)(gong)作(zuo)(zuo)后加工(gong)(gong)台和工(gong)(gong)作(zuo)(zuo)产品中粉末添加剂(ji)的(de)(de)(de)(de)累积量(liang)(liang)较小(xiao)，适合操作(zuo)(zuo)。10.改造业界时，在(zai)这(zhei)种(zhong)添加剂(ji)的(de)(de)(de)(de)作(zuo)(zuo)用下，放(fang)电数(shu)据(ju)非常多，工(gong)(gong)作(zuo)(zuo)速(su)度(du)可以达到五分之(zhi)一(yi)到十分之(zhi)一(yi)随着制(zhi)造业的(de)(de)(de)(de)不(bu)断(duan)发展(zhan)，数(shu)控电火花加工(gong)(gong)技术也在(zai)不(bu)断(duan)发展(zhan)。

一(yi)般利用(yong)热(re)传(chuan)道(dao)率与(yu)融点和乘积大(da)小(xiao)(xiao)连成低(di)消耗加(jia)(jia)(jia)(jia)(jia)工(gong)。可以说它的(de)(de)乘积越大(da)，越不(bu)会(hui)(hui)(hui)(hui)(hui)消耗。做过火(huo)花(hua)(hua)加(jia)(jia)(jia)(jia)(jia)工(gong)的(de)(de)应该了解(jie)电(dian)(dian)火(huo)花(hua)(hua)机(ji)(ji)加(jia)(jia)(jia)(jia)(jia)工(gong)后会(hui)(hui)(hui)(hui)(hui)产生(sheng)碳，这些碳对火(huo)花(hua)(hua)机(ji)(ji)阳极(ji)(ji)(ji)电(dian)(dian)极(ji)(ji)(ji)的(de)(de)附著，有着保(bao)护作用(yong)，其(qi)作用(yong)科上(shang)能够降低(di)电(dian)(dian)极(ji)(ji)(ji)消耗。当(dang)胍波(bo)宽(kuan)度(du)(du)长时，热(re)源存在(zai)时间长，高温易(yi)传(chuan)道(dao)至材料内部(bu)，而变质屑(xie)就(jiu)会(hui)(hui)(hui)(hui)(hui)会(hui)(hui)(hui)(hui)(hui)较(jiao)厚(hou)。如(ru)果在(zai)火(huo)花(hua)(hua)机(ji)(ji)加(jia)(jia)(jia)(jia)(jia)工(gong)过程中需要(yao)减(jian)小(xiao)(xiao)变质屑(xie)的(de)(de)话应尽量在(zai)胍波(bo)宽(kuan)度(du)(du)较(jiao)短条件(jian)下加(jia)(jia)(jia)(jia)(jia)工(gong)。其(qi)次我(wo)们(men)要(yao)了解(jie)电(dian)(dian)火(huo)花(hua)(hua)机(ji)(ji)加(jia)(jia)(jia)(jia)(jia)工(gong)速度(du)(du)，电(dian)(dian)流(liu)与(yu)胍波(bo)宽(kuan)度(du)(du)之(zhi)间的(de)(de)关系，如(ru)果火(huo)花(hua)(hua)机(ji)(ji)胍波(bo)的(de)(de)宽(kuan)度(du)(du)ON TIME及OFF TTh的(de)(de)比例一(yi)定的(de)(de)话，这个(ge)时候电(dian)(dian)流(liu)大(da)火(huo)花(hua)(hua)机(ji)(ji)加(jia)(jia)(jia)(jia)(jia)工(gong)就(jiu)会(hui)(hui)(hui)(hui)(hui)快，反之(zhi)则慢。如(ru)果每平公分的(de)(de)电(dian)(dian)流(liu)值超过10A的(de)(de)话，加(jia)(jia)(jia)(jia)(jia)工(gong)速度(du)(du)就(jiu)会(hui)(hui)(hui)(hui)(hui)会(hui)(hui)(hui)(hui)(hui)有下降倾向，由(you)此可知(zhi)在(zai)我(wo)们(men)进行小(xiao)(xiao)面积加(jia)(jia)(jia)(jia)(jia)工(gong)时，使用(yong)小(xiao)(xiao)电(dian)(dian)流(liu)加(jia)(jia)(jia)(jia)(jia)工(gong)。加(jia)(jia)(jia)(jia)(jia)工(gong)效果会(hui)(hui)(hui)(hui)(hui)比较(jiao)好。再一(yi)个(ge)就(jiu)是当(dang)胍波(bo)周期极(ji)(ji)(ji)长或极(ji)(ji)(ji)短，这个(ge)时候火(huo)花(hua)(hua)机(ji)(ji)的(de)(de)加(jia)(jia)(jia)(jia)(jia)工(gong)速度(du)(du)也(ye)会(hui)(hui)(hui)(hui)(hui)变慢。不(bu)过需要(yao)知(zhi)道(dao)的(de)(de)是，过短的(de)(de)胍波(bo)加(jia)(jia)(jia)(jia)(jia)工(gong)也(ye)会(hui)(hui)(hui)(hui)(hui)会(hui)(hui)(hui)(hui)(hui)使火(huo)花(hua)(hua)机(ji)(ji)电(dian)(dian)极(ji)(ji)(ji)的(de)(de)消耗增加(jia)(jia)(jia)(jia)(jia)。数(shu)(shu)控(kong)电(dian)(dian)火(huo)花(hua)(hua)加(jia)(jia)(jia)(jia)(jia)工(gong)是在(zai)数(shu)(shu)控(kong)机(ji)(ji)床(chuang)上(shang)进行的(de)(de)，它可通过计算机(ji)(ji)控(kong)制(zhi)电(dian)(dian)极(ji)(ji)(ji)的(de)(de)移动轨(gui)迹和放(fang)电(dian)(dian)参数(shu)(shu)，实(shi)现对工(gong)件(jian)的(de)(de)加(jia)(jia)(jia)(jia)(jia)工(gong)。江苏精密电(dian)(dian)火(huo)花(hua)(hua)加(jia)(jia)(jia)(jia)(jia)工(gong)

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电(dian)(dian)(dian)(dian)(dian)火花(hua)加工是(shi)(shi)不(bu)(bu)断放(fang)电(dian)(dian)(dian)(dian)(dian)蚀除(chu)金属的(de)(de)过程(cheng)(cheng)。虽然(ran)一(yi)(yi)次(ci)脉冲放(fang)电(dian)(dian)(dian)(dian)(dian)的(de)(de)时(shi)(shi)间(jian)(jian)(jian)(jian)较(jiao)短，但它是(shi)(shi)电(dian)(dian)(dian)(dian)(dian)磁(ci)学(xue)、热力学(xue)和流(liu)(liu)体力学(xue)等综(zong)合作用的(de)(de)过程(cheng)(cheng)，是(shi)(shi)比(bi)较(jiao)复(fu)杂(za)的(de)(de)。综(zong)合起来，一(yi)(yi)次(ci)脉冲放(fang)电(dian)(dian)(dian)(dian)(dian)的(de)(de)过程(cheng)(cheng)可(ke)分为(wei)以(yi)下(xia)几个阶段：（1）极(ji)(ji)间(jian)(jian)(jian)(jian)介(jie)质(zhi)的(de)(de)电(dian)(dian)(dian)(dian)(dian)离(li)、击穿(chuan)(chuan)及放(fang)电(dian)(dian)(dian)(dian)(dian)通道的(de)(de)形成当脉冲电(dian)(dian)(dian)(dian)(dian)压施加于工具电(dian)(dian)(dian)(dian)(dian)极(ji)(ji)与(yu)(yu)工件(jian)两(liang)者之间(jian)(jian)(jian)(jian)时(shi)(shi)，两(liang)极(ji)(ji)之间(jian)(jian)(jian)(jian)即刻形成一(yi)(yi)个电(dian)(dian)(dian)(dian)(dian)场(chang)。电(dian)(dian)(dian)(dian)(dian)场(chang)强(qiang)(qiang)度(du)与(yu)(yu)电(dian)(dian)(dian)(dian)(dian)压成正比(bi)，与(yu)(yu)距离(li)成反比(bi)，随着(zhe)极(ji)(ji)间(jian)(jian)(jian)(jian)电(dian)(dian)(dian)(dian)(dian)压的(de)(de)升(sheng)高或是(shi)(shi)极(ji)(ji)间(jian)(jian)(jian)(jian)距离(li)的(de)(de)减小，极(ji)(ji)间(jian)(jian)(jian)(jian)电(dian)(dian)(dian)(dian)(dian)场(chang)强(qiang)(qiang)度(du)也将随着(zhe)增大。由(you)于工具电(dian)(dian)(dian)(dian)(dian)极(ji)(ji)和工件(jian)的(de)(de)微观(guan)表面是(shi)(shi)凸凹不(bu)(bu)平的(de)(de)，极(ji)(ji)间(jian)(jian)(jian)(jian)距离(li)又很小，因(yin)而极(ji)(ji)间(jian)(jian)(jian)(jian)电(dian)(dian)(dian)(dian)(dian)场(chang)强(qiang)(qiang)度(du)是(shi)(shi)非常不(bu)(bu)均匀的(de)(de)，两(liang)极(ji)(ji)间(jian)(jian)(jian)(jian)离(li)得近的(de)(de)突(tu)出点或尖(jian)处的(de)(de)电(dian)(dian)(dian)(dian)(dian)场(chang)强(qiang)(qiang)度(du)一(yi)(yi)般为(wei)。当电(dian)(dian)(dian)(dian)(dian)场(chang)强(qiang)(qiang)度(du)增大到(dao)(dao)一(yi)(yi)定(ding)数(shu)量时(shi)(shi)，介(jie)质(zhi)被击穿(chuan)(chuan)，放(fang)电(dian)(dian)(dian)(dian)(dian)间(jian)(jian)(jian)(jian)隙电(dian)(dian)(dian)(dian)(dian)阻从绝缘状态迅速(su)(su)降(jiang)低到(dao)(dao)几分之一(yi)(yi)欧姆，间(jian)(jian)(jian)(jian)隙电(dian)(dian)(dian)(dian)(dian)流(liu)(liu)迅速(su)(su)上(shang)升(sheng)到(dao)(dao)值。由(you)于通道直径很小，所以(yi)通道中的(de)(de)电(dian)(dian)(dian)(dian)(dian)流(liu)(liu)密度(du)很高。间(jian)(jian)(jian)(jian)隙电(dian)(dian)(dian)(dian)(dian)压则(ze)由(you)击穿(chuan)(chuan)电(dian)(dian)(dian)(dian)(dian)压迅速(su)(su)下(xia)降(jiang)到(dao)(dao)火花(hua)维持(chi)电(dian)(dian)(dian)(dian)(dian)压（一(yi)(yi)般约为(wei)20~30V），电(dian)(dian)(dian)(dian)(dian)流(liu)(liu)则(ze)由(you)0上(shang)升(sheng)到(dao)(dao)某一(yi)(yi)峰值电(dian)(dian)(dian)(dian)(dian)流(liu)(liu)。江苏精密电(dian)(dian)(dian)(dian)(dian)火花(hua)加工

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