发(Fa)黑(Hei)液(Ye)的(De)配(Pei)制(Zhi)
(?) (?)发(Fa)黑(Hei)剂(Ji)工(Gong)作(Zuo)液(Ye)的(De)配(Pei)制(Zhi)。(?)应(Ying)把(Ba)原(Yuan)液(Ye)充(Chong)分(Fen)的(De)摇(Yao)动(Dong)或(Huo)搅(Jiao)拌(Ban)均(Jun)匀(Yun),(?)根(Gen)据(Ju)工(Gong)件(Jian)的(De)大(Da)小(Xiao)和(He)回(Hui)火(Huo)温(Wen)度(Du)的(De)高(Gao)低(Di),(?)来(Lai)确(Que)定(Ding)浓(Nong)度(Du)以(Yi)及(Ji)使(Shi)用(Yong)哪(Na)种(Zhong)型(Xing)号(Hao)的(De)发(Fa)黑(Hei)剂(Ji),(?)一(Yi)般(Ban)发(Fa)黑(Hei)剂(Ji)占(Zhan)水(Shui)的(De)百(Bai)分(Fen)比(Bi)是(Shi)350型(Xing)、(?)200型(Xing)的(De)浓(Nong)度(Du)为(Wei)5-15%;(?)160型(Xing)浓(Nong)度(Du)为(Wei)20%,(?)使(Shi)用(Yong)原(Yuan)则(Ze)为(Wei)工(Gong)件(Jian)大(Da)浓(Nong)度(Du)低(Di),(?)工(Gong)件(Jian)小(Xiao)浓(Nong)度(Du)高(Gao)。(?)
(?) (?)发(Fa)黑(Hei)剂(Ji)工(Gong)作(Zuo)液(Ye)的(De)添(Tian)加(Jia)。(?)工(Gong)作(Zuo)液(Ye)中(Zhong)间(Jian)添(Tian)加(Jia)时(Shi),(?)一(Yi)定(Ding)要(Yao)先(Xian)稀(Xi)释(Shi)再(Zai)加(Jia)入(Ru),(?)绝(Jue)不(Bu)能(Neng)添(Tian)加(Jia)原(Yuan)液(Ye)。(?)添(Tian)加(Jia)量(Liang)参(Can)照(Zhao)“(?)浓(Nong)度(Du)分(Fen)析(Xi)与(Yu)添(Tian)加(Jia)调(Diao)整(Zheng)”(?)。(?)工(Gong)作(Zuo)液(Ye)的(De)温(Wen)度(Du)控(Kong)制(Zhi)。(?)工(Gong)作(Zuo)液(Ye)槽(Cao)须(Xu)加(Jia)冷(Leng)却(Que)与(Yu)循(Xun)环(Huan)装(Zhuang)置(Zhi),(?)温(Wen)度(Du)应(Ying)保(Bao)持(Chi)在(Zai)40℃(?),(?)最(Zui)高(Gao)不(Bu)得(De)超(Chao)过(Guo)50℃(?)。(?)
(?) (?)发(Fa)黑(Hei)工(Gong)件(Jian)的(De)处(Chu)理(Li)
(?) (?)流(Liu)水(Shui)线(Xian)作(Zuo)业(Ye),(?)工(Gong)件(Jian)不(Bu)能(Neng)将(Jiang)其(Qi)它(Ta)化(Hua)学(Xue)物(Wu)质(Zhi)带(Dai)入(Ru),(?)进(Jin)入(Ru)回(Hui)火(Huo)炉(Lu)前(Qian),(?)不(Bu)论(Lun)淬(Cui)火(Huo)介(Jie)质(Zhi)是(Shi)水(Shui)剂(Ji)还(Huan)是(Shi)油(You)剂(Ji),(?)都(Du)应(Ying)使(Shi)用(Yong)我(Wo)厂(Chang)生(Sheng)产(Chan)的(De)“(?)W-20型(Xing)中(Zhong)间(Jian)清(Qing)洗(Xi)防(Fang)锈(Xiu)剂(Ji)”(?)或(Huo)其(Qi)它(Ta)防(Fang)锈(Xiu)剂(Ji)清(Qing)洗(Xi)处(Chu)理(Li),(?)才(Cai)可(Ke)进(Jin)入(Ru)回(Hui)火(Huo)炉(Lu)。(?)工(Gong)件(Jian)陆(Lu)续(Xu)进(Jin)入(Ru)工(Gong)作(Zuo)液(Ye)时(Shi),(?)工(Gong)件(Jian)的(De)入(Ru)液(Ye)温(Wen)度(Du)350型(Xing)不(Bu)得(De)低(Di)于(Yu)350℃(?)、(?)200型(Xing)不(Bu)得(De)低(Di)于(Yu)200℃(?)、(?)160型(Xing)不(Bu)得(De)低(Di)于(Yu)160℃(?)。(?)总(Zong)之(Zhi),(?)不(Bu)同(Tong)型(Xing)号(Hao)的(De)发(Fa)黑(Hei)剂(Ji),(?)温(Wen)度(Du)越(Yue)高(Gao)效(Xiao)果(Guo)较(Jiao)好(Hao),(?)最(Zui)高(Gao)不(Bu)能(Neng)超(Chao)过(Guo)600℃(?)以(Yi)保(Bao)证(Zheng)发(Fa)黑(Hei)膜(Mo)与(Yu)基(Ji)体(Ti)的(De)结(Jie)合(He)力(Li)。(?)工(Gong)件(Jian)从(Cong)工(Gong)作(Zuo)液(Ye)提(Ti)出(Chu)后(Hou),(?)应(Ying)进(Jin)行(Xing)烘(Hong)干(Gan)处(Chu)理(Li),(?)烘(Hong)干(Gan)温(Wen)度(Du)120-150℃(?),(?)如(Ru)一(Yi)次(Ci)发(Fa)黑(Hei)效(Xiao)果(Guo)不(Bu)佳(Jia),(?)还(Huan)可(Ke)进(Jin)行(Xing)二(?)次(Ci)发(Fa)黑(Hei)。(?)
(?) (?)工(Gong)作(Zuo)液(Ye)的(De)浓(Nong)度(Du)分(Fen)析(Xi)与(Yu)添(Tian)加(Jia)调(Diao)整(Zheng)
(?) (?)配(Pei)制(Zhi)好(Hao)的(De)工(Gong)作(Zuo)液(Ye)在(Zai)使(Shi)用(Yong)过(Guo)程(Cheng)中(Zhong),(?)不(Bu)断(Duan)受(Shou)到(Dao)热(Re)工(Gong)件(Jian)的(De)浸(Jin)渍(Zi)工(Gong)作(Zuo)液(Ye)有(You)部(Bu)分(Fen)发(Fa)黑(Hei)剂(Ji)被(Bei)带(Dai)出(Chu)发(Fa)黑(Hei)槽(Cao)外(Wai),(?)成(Cheng)膜(Mo)物(Wu)质(Zhi)亦(Yi)不(Bu)断(Duan)沉(Chen)积(Ji)到(Dao)工(Gong)件(Jian)表(Biao)面(Mian),(?)随(Sui)着(Zhuo)溶(Rong)液(Ye)的(De)消(Xiao)耗(Hao),(?)液(Ye)中(Zhong)成(Cheng)份(Fen)在(Zai)逐(Zhu)渐(Jian)变(Bian)化(Hua),(?)应(Ying)该(Gai)定(Ding)期(Qi)检(Jian)测(Ce)分(Fen)析(Xi)溶(Rong)液(Ye)浓(Nong)度(Du),(?)并(Bing)结(Jie)合(He)生(Sheng)产(Chan)量(Liang)的(De)多(Duo)少(Shao),(?)定(Ding)期(Qi)补(Bu)充(Chong)新(Xin)的(De)发(Fa)黑(Hei)剂(Ji),(?)使(Shi)工(Gong)作(Zuo)液(Ye)保(Bao)持(Chi)在(Zai)一(Yi)定(Ding)的(De)浓(Nong)度(Du)范(Fan)围(Wei)内(Nei)。(?)
(?) (?)工(Gong)件(Jian)的(De)发(Fa)黑(Hei)质(Zhi)量(Liang)与(Yu)检(Jian)测(Ce)
(?) (?)使(Shi)用(Yong)钢(Gang)铁(Tie)发(Fa)黑(Hei)剂(Ji)发(Fa)黑(Hei)工(Gong)件(Jian),(?)其(Qi)工(Gong)艺(Yi)材(Cai)料(Liao)和(He)发(Fa)黑(Hei)机(Ji)理(Li)与(Yu)传(Chuan)统(Tong)的(De)碱(Jian)性(Xing)发(Fa)黑(Hei)有(You)本(Ben)质(Zhi)的(De)不(Bu)同(Tong),(?)所(Suo)以(Yi)发(Fa)黑(Hei)后(Hou)工(Gong)件(Jian)的(De)耐(Nai)腐(Fu)蚀(Shi)性(Xing)能(Neng)测(Ce)试(Shi)要(Yao)有(You)相(Xiang)应(Ying)手(Shou)段(Duan)。(?)目(Mu)前(Qian),(?)国(Guo)家(Jia)尚(Shang)无(Wu)规(Gui)定(Ding)的(De)检(Jian)测(Ce)标(Biao)准(Zhun),(?)所(Suo)以(Yi)供(Gong)鉴(Jian)碱(Jian)性(Xing)发(Fa)黑(Hei)的(De)检(Jian)测(Ce)方(Fang)法(Fa)和(He)涂(Tu)装(Zhuang)防(Fang)腐(Fu)技(Ji)术(Shu)的(De)检(Jian)测(Ce)技(Ji)术(Shu)相(Xiang)结(Jie)合(He)来(Lai)进(Jin)行(Xing),(?)以(Yi)求(Qiu)得(De)较(Jiao)全(Quan)面(Mian)的(De)检(Jian)测(Ce)效(Xiao)果(Guo)。(?)
(?) (?)发(Fa)黑(Hei)后(Hou)的(De)工(Gong)件(Jian)外(Wai)观(Guan)要(Yao)求(Qiu)光(Guang)亮(Liang)美(Mei)观(Guan)。(?)在(Zai)40W日(Ri)光(Guang)灯(Deng)光(Guang)源(Yuan)下(Xia)工(Gong)件(Jian)离(Li)开(Kai)日(Ri)光(Guang)灯(Deng)500毫(Hao)米(Mi)处(Chu),(?)观(Guan)察(Cha)表(Biao)面(Mian)发(Fa)黑(Hei)膜(Mo)应(Ying)均(Jun)匀(Yun)一(Yi)致(Zhi),(?)呈(Cheng)深(Shen)黑(Hei)色(Se)且(Qie)有(You)光(Guang)泽(Ze)。(?)
(?) (?)发(Fa)黑(Hei)后(Hou)工(Gong)件(Jian)沉(Chen)积(Ji)层(Ceng)与(Yu)基(Ji)体(Ti)结(Jie)合(He)力(Li)要(Yao)求(Qiu)有(You)优(You)异(Yi)的(De)牢(Lao)固(Gu)度(Du)。(?)待(Dai)工(Gong)件(Jian)干(Gan)透(Tou)后(Hou),(?)用(Yong)于(Yu)((?)或(Huo)棉(Mian)纱(Sha))(?)擦(Ca)拭(Shi)不(Bu)脱(Tuo)色(Se),(?)不(Bu)出(Chu)现(Xian)金(Jin)属(Shu)光(Guang)泽(Ze)为(Wei)合(He)格(Ge)产(Chan)品(Pin),(?)亦(Yi)可(Ke)用(Yong)落(Luo)砂(Sha)法(Fa)冲(Chong)刷(Shua)检(Jian)测(Ce)。(?)
(?) (?)发(Fa)黑(Hei)后(Hou)工(Gong)件(Jian)的(De)防(Fang)锈(Xiu)性(Xing)与(Yu)耐(Nai)蚀(Shi)性(Xing)能(Neng)是(Shi)靠(Kao)表(Biao)面(Mian)有(You)机(Ji)沉(Chen)积(Ji)膜(Mo)的(De)包(Bao)复(Fu)封(Feng)闭(Bi)起(Qi)主(Zhu)要(Yao)作(Zuo)用(Yong)的(De),(?)其(Qi)效(Xiao)果(Guo)优(You)于(Yu)碱(Jian)性(Xing)发(Fa)黑(Hei)若(Ruo)干(Gan)倍(Bei),(?)可(Ke)用(Yong)5%的(De)盐(Yan)雾(Wu)试(Shi)验(Yan)来(Lai)测(Ce)定(Ding),(?)即(Ji)在(Zai)35℃(?)温(Wen)度(Du)1千(Qian)克(Ke)的(De)压(Ya)力(Li)下(Xia)连(Lian)续(Xu)喷(Pen)雾(Wu)3小(Xiao)时(Shi),(?)表(Biao)面(Mian)无(Wu)锈(Xiu)为(Wei)合(He)格(Ge)产(Chan)品(Pin)。(?)没(Mei)有(You)盐(Yan)雾(Wu)试(Shi)验(Yan)设(She)备(Bei)的(De)厂(Chang)家(Jia),(?)亦(Yi)要(Yao)延(Yan)用(Yong)3%的(De)标(Biao)准(Zhun)NaCl溶(Rong)液(Ye)做(Zuo)浸(Jin)渍(Zi)检(Jian)验(Yan)。(?)
(?) (?)发(Fa)黑(Hei)工(Gong)件(Jian)的(De)耐(Nai)腐(Fu)蚀(Shi)性(Xing)能(Neng)检(Jian)测(Ce)我(Wo)们(Men)推(Tui)荐(Jian)采(Cai)用(Yong)德(De)国(Guo)的(De)DIN50938规(Gui)定(Ding)的(De)方(Fang)法(Fa)检(Jian)验(Yan),(?)即(Ji)用(Yong)5%的(De)草(Cao)酸(Suan)溶(Rong)液(Ye)滴(Di)到(Dao)发(Fa)黑(Hei)件(Jian)的(De)表(Biao)面(Mian),(?)8分(Fen)钟(Zhong)无(Wu)腐(Fu)蚀(Shi)斑(Ban)点(Dian)为(Wei)合(He)格(Ge)。(?)
(?) (?)致(Zhi)密(Mi)度(Du)的(De)情(Qing)况(Kuang),(?)延(Yan)用(Yong)3%硫(Liu)酸(Suan)铜(Tong)浸(Jin)渍(Zi)的(De)方(Fang)法(Fa)来(Lai)测(Ce)试(Shi),(?)即(Ji)待(Dai)工(Gong)件(Jian)干(Gan)透(Tou)后(Hou),(?)将(Jiang)试(Shi)样(Yang)直(Zhi)接(Jie)浸(Jin)入(Ru)3%的(De)硫(Liu)酸(Suan)铜(Tong)溶(Rong)液(Ye)中(Zhong),(?)最(Zui)低(Di)时(Shi)间(Jian)不(Bu)少(Shao)于(Yu)1分(Fen)钟(Zhong)为(Wei)合(He)格(Ge),(?)实(Shi)际(Ji)可(Ke)达(Da)数(Shu)分(Fen)钟(Zhong)。(?)
(?) (?)表(Biao)面(Mian)沉(Chen)积(Ji)层(Ceng)的(De)厚(Hou)度(Du)可(Ke)用(Yong)S-200型(Xing)扫(Sao)描(Miao)电(Dian)子(Zi)显(Xian)微(Wei)镜(Jing)实(Shi)测(Ce),(?)一(Yi)般(Ban)情(Qing)况(Kuang)因(Yin)工(Gong)件(Jian)的(De)加(Jia)热(Re)温(Wen)度(Du)不(Bu)同(Tong)与(Yu)溶(Rong)液(Ye)的(De)浓(Nong)度(Du)不(Bu)同(Tong)而(?)有(You)差(Cha)异(Yi),(?)亦(Yi)可(Ke)用(Yong)电(Dian)磁(Ci)式(Shi)测(Ce)厚(Hou)仪(Yi)器(Qi)做(Zuo)无(Wu)损(Sun)检(Jian)测(Ce)来(Lai)确(Que)定(Ding)实(Shi)际(Ji)厚(Hou)度(Du)。(?)
(?) (?)发(Fa)黑(Hei)剂(Ji)的(De)应(Ying)用(Yong)前(Qian)景(Jing)与(Yu)发(Fa)展(Zhan)
(?) (?)生(Sheng)产(Chan)实(Shi)践(Jian)证(Zheng)明(Ming),(?)余(Yu)热(Re)应(Ying)用(Yong)发(Fa)黑(Hei)剂(Ji)发(Fa)黑(Hei)工(Gong)件(Jian),(?)有(You)其(Qi)独(Du)特(Te)的(De)优(You)越(Yue)性(Xing)。(?)不(Bu)但(Dan)解(Jie)决(Jue)了(Liao)自(Zi)动(Dong)化(Hua)生(Sheng)产(Chan)线(Xian)的(De)工(Gong)件(Jian)发(Fa)黑(Hei)问(Wen)题(Ti),(?)而(?)且(Qie)排(Pai)除(Chu)了(Liao)碱(Jian)性(Xing)煮(Zhu)黑(Hei)中(Zhong)的(De)亚(Ya)硝(Xiao)酸(Suan)钠(Na)等(Deng)有(You)害(Hai)物(Wu)质(Zhi),(?)为(Wei)消(Xiao)除(Chu)污(Wu)染(Ran)走(Zou)出(Chu)一(Yi)条(Tiao)新(Xin)路(Lu);(?)用(Yong)水(Shui)溶(Rong)性(Xing)乳(Ru)液(Ye)操(Cao)作(Zuo)无(Wu)火(Huo)害(Hai)危(Wei)险(Xian),(?)安(An)全(Quan)可(Ke)靠(Kao)。(?)此(Ci)工(Gong)艺(Yi)将(Jiang)代(Dai)替(Ti)传(Chuan)统(Tong)的(De)碱(Jian)性(Xing)煮(Zhu)黑(Hei)工(Gong)艺(Yi)。(?)