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13919191819电(Dian)镀(Du)中(Zhong)常(Chang)见(Jian)的(De)22种(Zhong)故(Gu)障(Zhang)现(Xian)象(Xiang),(?)可(Ke)能(Neng)原(Yuan)因(Yin)及(Ji)排(Pai)除(Chu)方(Fang)法(Fa)。(?)从(Cong)表(Biao)中(Zhong)我(Wo)们(Men)发(Fa)现(Xian),(?)任(Ren)何(He)一(Yi)个(Ge)故(Gu)障(Zhang)现(Xian)象(Xiang)都(Du)有(You)几(Ji)种(Zhong)可(Ke)能(Neng)的(De)原(Yuan)因(Yin)。(?)那(Na)么(Me)我(Wo)们(Men)在(Zai)排(Pai)除(Chu)时(Shi)如(Ru)何(He)找(Zhao)到(Dao)造(Zao)成(Cheng)故(Gu)障(Zhang)的(De)真(Zhen)正(Zheng)“(?)凶(Xiong)手(Shou)”(?)呢(Ne)?(?)我(Wo)们(Men)在(Zai)这(Zhe)里(Li)介(Jie)绍(Shao)一(Yi)个(Ge)简(Jian)单(Dan)易(Yi)行(Xing)的(De)热(Re)镀(Du)锌(Xin)“(?)排(Pai)除(Chu)判(Pan)定(Ding)法(Fa)”(?)。(?)这(Zhe)种(Zhong)方(Fang)法(Fa)的(De)要(Yao)点(Dian)是(Shi)在(Zai)可(Ke)能(Neng)的(De)“(?)原(Yuan)因(Yin)”(?)中(Zhong)先(Xian)排(Pai)除(Chu)最(Zui)直(Zhi)观(Guan)的(De)最(Zui)不(Bu)可(Ke)能(Neng)的(De)原(Yuan)因(Yin)。(?)例(Li)如(Ru)故(Gu)障(Zhang)1中(Zhong)镀(Du)层(Ceng)发(Fa)花(Hua)的(De)原(Yuan)因(Yin)有(You)3个(Ge)。(?)我(Wo)们(Men)首(Shou)先(Xian)确(Que)定(Ding)热(Re)镀(Du)锌(Xin)清(Qing)洗(Xi)水(Shui)是(Shi)否(Fou)干(Gan)净(Jing)。(?)如(Ru)果(Guo)清(Qing)洗(Xi)水(Shui)槽(Cao) 内(Nei)的(De)水(Shui)很(Hen)脏(Zang),(?)且(Qie)水(Shui)的(De)流(Liu)动(Dong)交(Jiao)换(Huan)很(Hen)差(Cha),(?)并(Bing)用(Yong)1 ~ 14的(De)广(Guang)泛(Fan)pH试(Shi)纸(Zhi)测(Ce)定(Ding)一(Yi)下(Xia)清(Qing)洗(Xi)水(Shui)的(De) pH,就(Jiu)能(Neng)很(Hen)快(Kuai)地(Di)确(Que)定(Ding)是(Shi)第(Di)三(San)个(Ge)原(Yuan)因(Yin)。(?)如(Ru)果(Guo)清(Qing)洗(Xi)水(Shui)没(Mei)有(You)问(Wen)题(Ti),(?)那(Na)么(Me)就(Jiu)去(Qu)入(Ru)槽(Cao)前(Qian)检(Jian)查(Cha) 镀(Du)件(Jian)表(Biao)面(Mian)是(Shi)否(Fou)完(Wan)全(Quan)亲(Qin)水(Shui),(?)如(Ru)果(Guo)完(Wan)全(Quan)亲(Qin)水(Shui),(?)则(Ze)说(Shuo)明(Ming)除(Chu)油(You)没(Mei)有(You)问(Wen)题(Ti),(?)那(Na)么(Me)问(Wen)题(Ti)就(Jiu)出(Chu)在(Zai)镀(Du)件(Jian)的(De)酸(Suan)洗(Xi)工(Gong)序(Xu)了(Liao),(?)重(Zhong)点(Dian)查(Cha)一(Yi)下(Xia)酸(Suan)洗(Xi)液(Ye)和(He)工(Gong)件(Jian)材(Cai)质(Zhi)。(?)热(Re)浸(Jin)锌(Xin)镀(Du)件(Jian)阴(Yin)阳(Yang)面(Mian)是(Shi)碱(Jian)性(Xing)镀(Du)锌(Xin)最(Zui)常(Chang)见(Jian)的(De)问(Wen)题(Ti)之(Zhi)一(Yi)。(?)造(Zao)成(Cheng)这(Zhe)一(Yi)故(Gu)障(Zhang)的(De)原(Yuan)因(Yin)有(You)4个(Ge)。(?)首(Shou)先(Xian)检(Jian)查(Cha)一(Yi)下(Xia)挂(Gua)具(Ju)上(Shang)工(Gong)件(Jian)是(Shi)否(Fou)挂(Gua)的(De)太(Tai)密(Mi)。(?)第(Di)二(?)步(Bu)计(Ji)算(Suan)一(Yi)下(Xia)所(Suo)给(Gei)电(Dian)流(Liu)是(Shi)否(Fou)太(Tai)小(Xiao)。(?)这(Zhe)两(Liang)步(Bu)很(Hen)快(Kuai)就(Jiu)可(Ke)以(Yi)排(Pai)除(Chu)。(?)第(Di)三(San)步(Bu)用(Yong)霍(Huo)尔(?)槽(Cao)确(Que)定(Ding)一(Yi)下(Xia)是(Shi)否(Fou)光(Guang)亮(Liang)剂(Ji)太(Tai)少(Shao)。(?)这(Zhe)三(San)步(Bu)排(Pai)除(Chu)之(Zhi)后(Hou),(?)那(Na)么(Me)就(Jiu)可(Ke)以(Yi)断(Duan)定(Ding)是(Shi)热(Re)浸(Jin)锌(Xin)锌(Xin)碱(Jian)比(Bi)失(Shi)调(Diao)原(Yuan)因(Yin)了(Liao)。(?)在(Zai)电(Dian)镀(Du)故(Gu)障(Zhang)的(De)排(Pai)除(Chu)过(Guo)程(Cheng)中(Zhong),(?)霍(Huo)尔(?)槽(Cao)试(Shi)验(Yan)方(Fang)法(Fa)是(Shi)最(Zui)简(Jian)单(Dan),(?)最(Zui)有(You)效(Xiao)的(De)试(Shi)验(Yan)方(Fang)法(Fa)。(?)
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