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    影(Ying)响(Xiang)电(Dian)泳(Yong)涂(Tu)装(Zhuang)作(Zuo)用(Yong)的(De)要(Yao)素(Su)有(You)哪(Na)些(Xie)
    发(Fa)布(Bu)时(Shi)间(Jian):(?)2018-12-08 14:43:00   来(Lai)源(Yuan):(?)本(Ben)站(Zhan)原(Yuan)创(Chuang)   点(Dian)击(Ji)量(Liang):(?)
    电(Dian)泳(Yong)设(She)备(Bei)涂(Tu)装(Zhuang)技(Ji)术(Shu)对(Dui)比(Bi)传(Chuan)统(Tong)涂(Tu)装(Zhuang)技(Ji)术(Shu)有(You)许(Xu)多(Duo)利(Li)益(Yi),(?)可(Ke)是(Shi)也(Ye)有(You)许(Xu)多(Duo)要(Yao)素(Su)影(Ying)响(Xiang)着(Zhuo)涂(Tu)装(Zhuang)作(Zuo)用(Yong),(?)今(Jin)天(Tian)电(Dian)泳(Yong)设(She)备(Bei)厂(Chang)家(Jia)为(Wei)您(Nin)说(Shuo)明(Ming)影(Ying)响(Xiang)电(Dian)泳(Yong)设(She)备(Bei)涂(Tu)装(Zhuang)作(Zuo)用(Yong)的(De)要(Yao)素(Su)有(You)哪(Na)些(Xie)。(?)

    1、(?)电(Dian)压(Ya)

    电(Dian)泳(Yong)涂(Tu)装(Zhuang)选(Xuan)用(Yong)的(De)是(Shi)定(Ding)电(Dian)压(Ya)法(Fa),(?)设(She)备(Bei)相(Xiang)对(Dui)简(Jian)略(Lue),(?)易(Yi)于(Yu)控(Kong)制(Zhi)。(?)电(Dian)压(Ya)对(Dui)漆(Qi)膜(Mo)的(De)影(Ying)响(Xiang)很(Hen)大(Da);(?)电(Dian)压(Ya)越(Yue)高(Gao),(?)电(Dian)泳(Yong)漆(Qi)膜(Mo)越(Yue)厚(Hou),(?)关(Guan)于(Yu)难(Nan)以(Yi)涂(Tu)装(Zhuang)的(De)部(Bu)位(Wei)可(Ke)相(Xiang)应(Ying)行(Xing)进(Jin)涂(Tu)装(Zhuang)才(Cai)调(Diao),(?)缩(Suo)短(Duan)施(Shi)工(Gong)时(Shi)刻(Ke)。(?)但(Dan)电(Dian)压(Ya)过(Guo)高(Gao),(?)会(Hui)致(Zhi)使(Shi)漆(Qi)膜(Mo)外(Wai)表(Biao)粗(Cu)糙(Cao),(?)烘(Hong)干(Gan)后(Hou)易(Yi)发(Fa)生(Sheng)“橘(Ju)皮(Pi)”表(Biao)象(Xiang)。(?)电(Dian)压(Ya)过(Guo)低(Di),(?)电(Dian)解(Jie)反(Fan)应(Ying)慢(Man),(?)漆(Qi)膜(Mo)薄(Bao)而(?)均(Jun)匀(Yun),(?)泳(Yong)透(Tou)力(Li)差(Cha)。(?)电(Dian)压(Ya)的(De)挑(Tiao)选(Xuan)由(You)涂(Tu)料(Liao)品(Pin)种(Zhong)和(He)施(Shi)工(Gong)央(Yang)求(Qiu)等(Deng)判(Pan)定(Ding)。(?)通(Tong)常(Chang)情(Qing)况(Kuang)下(Xia),(?)电(Dian)压(Ya)与(Yu)涂(Tu)料(Liao)的(De)固(Gu)体(Ti)分(Fen)及(Ji)漆(Qi)温(Wen)成(Cheng)反(Fan)比(Bi),(?)与(Yu)南(Nan)北(Bei)极(Ji)间(Jian)隔(Ge)成(Cheng)正(Zheng)比(Bi)。(?)钢(Gang)铁(Tie)外(Wai)表(Biao)为(Wei)40~(?)70V,(?)铝(Lu)和(He)铝(Lu)合(He)金(Jin)外(Wai)表(Biao)可(Ke)选(Xuan)用(Yong)60~(?)100V,(?)镀(Du)锌(Xin)件(Jian)选(Xuan)用(Yong)70~(?)85V。(?)

    2、(?)电(Dian)泳(Yong)时(Shi)刻(Ke)

    漆(Qi)膜(Mo)厚(Hou)度(Du)跟(Gen)着(Zhuo)电(Dian)泳(Yong)时(Shi)刻(Ke)的(De)延(Yan)伸(Shen)而(?)添(Tian)加(Jia),(?)但(Dan)当(Dang)漆(Qi)膜(Mo)抵(Di)达(Da)必(Bi)定(Ding)厚(Hou)度(Du)时(Shi),(?)继(Ji)续(Xu)延(Yan)伸(Shen)时(Shi)刻(Ke),(?)也(Ye)不(Bu)能(Neng)添(Tian)加(Jia)厚(Hou)度(Du),(?)反(Fan)而(?)会(Hui)加(Jia)重(Zhong)副(Fu)反(Fan)应(Ying);(?)反(Fan)之(Zhi),(?)电(Dian)泳(Yong)时(Shi)刻(Ke)过(Guo)短(Duan),(?)涂(Tu)层(Ceng)过(Guo)薄(Bao)。(?)电(Dian)泳(Yong)时(Shi)刻(Ke)应(Ying)根(Gen)据(Ju)所(Suo)用(Yong)的(De)电(Dian)压(Ya),(?)在(Zai)确(Que)保(Bao)涂(Tu)层(Ceng)质(Zhi)量(Liang)的(De)条(Tiao)件(Jian)下(Xia),(?)越(Yue)短(Duan)越(Yue)好(Hao)。(?)通(Tong)常(Chang)工(Gong)件(Jian)电(Dian)泳(Yong)时(Shi)刻(Ke)为(Wei)1至(Zhi)3分(Fen)钟(Zhong),(?)大(Da)型(Xing)工(Gong)件(Jian)为(Wei)3至(Zhi)4分(Fen)钟(Zhong)。(?)假(Jia)如(Ru)被(Bei)涂(Tu)物(Wu)件(Jian)外(Wai)表(Biao)几(Ji)何(He)形(Xing)状(Zhuang)杂(Za)乱(Luan),(?)可(Ke)适(Shi)当(Dang)行(Xing)进(Jin)电(Dian)压(Ya)和(He)延(Yan)伸(Shen)时(Shi)刻(Ke)。(?)

    3、(?)涂(Tu)料(Liao)温(Wen)度(Du)

    涂(Tu)料(Liao)温(Wen)度(Du)高(Gao),(?)成(Cheng)膜(Mo)速(Su)率(Lu)快(Kuai),(?)但(Dan)漆(Qi)膜(Mo)外(Wai)观(Guan)粗(Cu)糙(Cao),(?)还(Huan)会(Hui)致(Zhi)使(Shi)涂(Tu)料(Liao)蜕(Tui)变(Bian);(?)温(Wen)度(Du)低(Di),(?)电(Dian)堆(Dui)积(Ji)量(Liang)少(Shao),(?)成(Cheng)膜(Mo)慢(Man),(?)涂(Tu)膜(Mo)薄(Bao)而(?)细(Xi)密(Mi)。(?)施(Shi)工(Gong)过(Guo)程(Cheng)中(Zhong),(?)因(Yin)为(Wei)电(Dian)堆(Dui)积(Ji)时(Shi)有(You)些(Xie)电(Dian)能(Neng)转(Zhuan)化(Hua)成(Cheng)热(Re)能(Neng),(?)循(Xun)环(Huan)系(Xi)统(Tong)内(Nei)机(Ji)械(Xie)抵(Di)触(Chu)发(Fa)生(Sheng)热(Re)量(Liang),(?)将(Jiang)致(Zhi)使(Shi)涂(Tu)料(Liao)温(Wen)度(Du)上(Shang)升(Sheng)。(?)通(Tong)常(Chang)漆(Qi)液(Ye)温(Wen)度(Du)控(Kong)制(Zhi)在(Zai)某(Mou)些(Xie)方(Fang)面(Mian)15~(?)30℃(?)。(?)

    4、(?)涂(Tu)料(Liao)的(De)固(Gu)体(Ti)分(Fen)和(He)颜(Yan)基(Ji)比(Bi)

    市(Shi)售(Shou)的(De)电(Dian)泳(Yong)涂(Tu)料(Liao)的(De)固(Gu)体(Ti)分(Fen)通(Tong)常(Chang)为(Wei)50%分(Fen)配(Pei),(?)施(Shi)工(Gong)时(Shi),(?)需(Xu)用(Yong)蒸(Zheng)馏(Liu)水(Shui)将(Jiang)涂(Tu)料(Liao)固(Gu)体(Ti)分(Fen)控(Kong)制(Zhi)在(Zai)10%~(?)15%。(?)固(Gu)体(Ti)含(Han)量(Liang)太(Tai)低(Di),(?)漆(Qi)膜(Mo)的(De)遮(Zhe)盖(Gai)力(Li)欠(Qian)好(Hao),(?)颜(Yan)料(Liao)易(Yi)堆(Dui)积(Ji),(?)涂(Tu)料(Liao)的(De)稳(Wen)定(Ding)性(Xing)差(Cha)。(?)固(Gu)体(Ti)分(Fen)过(Guo)高(Gao),(?)粘(Zhan)度(Du)行(Xing)进(Jin),(?)会(Hui)构(Gou)成(Cheng)漆(Qi)膜(Mo)粗(Cu)糙(Cao)疏(Shu)松(Song),(?)附(Fu)着(Zhuo)力(Li)差(Cha)。(?)通(Tong)常(Chang)颜(Yan)基(Ji)比(Bi)为(Wei)1比(Bi)2分(Fen)配(Pei),(?)高(Gao)光(Guang)泽(Ze)电(Dian)泳(Yong)涂(Tu)料(Liao)的(De)颜(Yan)基(Ji)比(Bi)可(Ke)控(Kong)制(Zhi)在(Zai)1比(Bi)4。(?)因(Yin)为(Wei)实(Shi)际(Ji)操(Cao)作(Zuo)中(Zhong),(?)涂(Tu)料(Liao)的(De)颜(Yan)料(Liao)量(Liang)会(Hui)逐(Zhu)步(Bu)降(Jiang)低(Di),(?)有(You)必(Bi)要(Yao)随(Sui)时(Shi)添(Tian)加(Jia)颜(Yan)料(Liao)分(Fen)高(Gao)的(De)涂(Tu)料(Liao)来(Lai)调(Diao)度(Du)。(?)

    5、(?)涂(Tu)料(Liao)的(De)PH值(Zhi)

    电(Dian)泳(Yong)涂(Tu)料(Liao)的(De)PH值(Zhi)直(Zhi)接(Jie)影(Ying)响(Xiang)槽(Cao)液(Ye)的(De)稳(Wen)定(Ding)性(Xing)。(?)PH值(Zhi)过(Guo)高(Gao),(?)新(Xin)堆(Dui)积(Ji)的(De)涂(Tu)膜(Mo)会(Hui)再(Zai)溶(Rong)解(Jie),(?)漆(Qi)膜(Mo)变(Bian)薄(Bao),(?)电(Dian)泳(Yong)后(Hou)冲(Chong)刷(Shua)会(Hui)脱(Tuo)膜(Mo)。(?)PH值(Zhi)过(Guo)低(Di),(?)工(Gong)件(Jian)外(Wai)表(Biao)光(Guang)泽(Ze)不(Bu)一(Yi)致(Zhi),(?)漆(Qi)液(Ye)的(De)稳(Wen)定(Ding)性(Xing)欠(Qian)好(Hao),(?)已(Yi)溶(Rong)解(Jie)的(De)树(Shu)脂(Zhi)会(Hui)分(Fen)出(Chu),(?)漆(Qi)膜(Mo)外(Wai)表(Biao)粗(Cu)糙(Cao),(?)附(Fu)着(Zhuo)力(Li)降(Jiang)低(Di)。(?)通(Tong)常(Chang)央(Yang)求(Qiu)施(Shi)工(Gong)过(Guo)程(Cheng)中(Zhong),(?)PH值(Zhi)控(Kong)制(Zhi)在(Zai)7.5~(?)8.5之(Zhi)间(Jian)。(?)在(Zai)施(Shi)工(Gong)工(Gong)程(Cheng)中(Zhong),(?)因(Yin)为(Wei)接(Jie)连(Lian)进(Jin)行(Xing)电(Dian)泳(Yong),(?)阳(Yang)离(Li)子(Zi)的(De)铵(An)化(Hua)合(He)物(Wu)在(Zai)涂(Tu)猜(Cai)中(Zhong)储(Chu)蓄(Xu),(?)致(Zhi)使(Shi)PH值(Zhi)的(De)上(Shang)升(Sheng)。(?)可(Ke)选(Xuan)用(Yong)补(Bu)加(Jia)低(Di)PH值(Zhi)的(De)原(Yuan)液(Ye),(?)更(Geng)换(Huan)阴(Yin)极(Ji)罩(Zhao)蒸(Zheng)馏(Liu)水(Shui),(?)用(Yong)离(Li)子(Zi)交(Jiao)换(Huan)树(Shu)脂(Zhi)除(Chu)去(Qu)铵(An)离(Li)子(Zi),(?)选(Xuan)用(Yong)阳(Yang)极(Ji)罩(Zhao)等(Deng)办(Ban)法(Fa)降(Jiang)低(Di)PH值(Zhi)。(?)若(Ruo)PH值(Zhi)过(Guo)低(Di)时(Shi),(?)可(Ke)参(Can)加(Jia)乙(Yi)醇(Chun)铵(An)来(Lai)调(Diao)度(Du)。(?)

    6、(?)涂(Tu)料(Liao)电(Dian)阻(Zu)

    被(Bei)涂(Tu)物(Wu)件(Jian)早(Zao)年(Nian)一(Yi)道(Dao)工(Gong)序(Xu)带(Dai)入(Ru)电(Dian)泳(Yong)槽(Cao)的(De)杂(Za)质(Zhi)离(Li)子(Zi)等(Deng)致(Zhi)使(Shi)涂(Tu)料(Liao)电(Dian)阻(Zu)值(Zhi)的(De)降(Jiang)低(Di),(?)然(Ran)后(Hou)致(Zhi)使(Shi)漆(Qi)膜(Mo)呈(Cheng)现(Xian)粗(Cu)糙(Cao)不(Bu)均(Jun)和(He)针(Zhen)孔(Kong)等(Deng)害(Hai)处(Chu)。(?)在(Zai)涂(Tu)装(Zhuang)施(Shi)工(Gong)中(Zhong),(?)需(Xu)对(Dui)涂(Tu)料(Liao)进(Jin)行(Xing)净(Jing)化(Hua)处(Chu)理(Li)。(?)为(Wei)了(Liao)得(De)到(Dao)高(Gao)质(Zhi)量(Liang)涂(Tu)膜(Mo),(?)可(Ke)选(Xuan)用(Yong)阴(Yin)极(Ji)罩(Zhao)设(She)备(Bei),(?)以(Yi)除(Chu)去(Qu)铵(An)及(Ji)钙(Gai)、(?)镁(Mei)等(Deng)杂(Za)质(Zhi)正(Zheng)离(Li)子(Zi)。(?)

    7、(?)工(Gong)件(Jian)与(Yu)阴(Yin)极(Ji)间(Jian)隔(Ge)离(Li)

    间(Jian)隔(Ge)近(Jin),(?)堆(Dui)积(Ji)效(Xiao)率(Lu)高(Gao)。(?)但(Dan)间(Jian)隔(Ge)过(Guo)近(Jin),(?)会(Hui)使(Shi)漆(Qi)膜(Mo)太(Tai)厚(Hou)而(?)发(Fa)生(Sheng)流(Liu)挂(Gua)、(?)橘(Ju)皮(Pi)等(Deng)害(Hai)处(Chu)。(?)通(Tong)常(Chang)间(Jian)隔(Ge)不(Bu)低(Di)于(Yu)20cm。(?)对(Dui)大(Da)型(Xing)而(?)形(Xing)状(Zhuang)杂(Za)乱(Luan)的(De)工(Gong)件(Jian),(?)当(Dang)呈(Cheng)现(Xian)外(Wai)部(Bu)已(Yi)堆(Dui)积(Ji)很(Hen)厚(Hou)涂(Tu)膜(Mo),(?)而(?)内(Nei)部(Bu)涂(Tu)膜(Mo)仍(Reng)较(Jiao)薄(Bao)时(Shi),(?)应(Ying)在(Zai)间(Jian)隔(Ge)阴(Yin)极(Ji)较(Jiao)远(Yuan)的(De)部(Bu)位(Wei),(?)添(Tian)加(Jia)辅(Fu)佐(Zuo)阴(Yin)极(Ji)。(?)


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