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电镀工艺与电镀电源之间的秘密

更新时间:2017-12-24 来源:电刷镀 标签:

电镀属于电解加工过程,电源的因素必将对电镀工艺过程产生直接影响,电镀电源在电镀工艺中具有重要地位。电镀电源和低纹波系数整流电源在电镀行业中的应用,让电镀界同仁在选择整流电源、解决电镀故障、提高电镀质量有所帮助。

1、开关电源

KAIGUANDIANYUANJIANYOUGUIZHENGLIUQIDEBOXINGPINGHUAXINGYOUDIANJIKEKONGGUIZHENGLIUQIDEDIAOYAFANGBIANDEYOUDIAN,DIANLIUXIAOLVGAOTIJIZUIXIAO,SHUQIANANPEIZHISHANGWANANPEIDEDAGONGLVKAIGUANDIANYUANYIJINRUSHENGCHANSHIYONGJIEDUAN。KAIGUANDIANYUANQIPINLVYIDAYINPIN,TONGGUOLVBOSHIXIANDIWENBOSHUCHUGENGWEIJIANBIANYIXING。ERQIEWENLIU、WENYADENGGONGNENGGENGYISHIXIAN。YINCI,KAIGUANDIANYUANSHIJINHOUFAZHANDEFANGXIANG。

2、整流器的基本类型

看一集电视剧赚60元GUIZHENGLIUQI:GUIZHENGLIUQISHIYONGLISHIZHANG,JISHUCHENGSHU,MUQIANSHIZHENGLIUQIZHULIUCHANPIN。GEZHONGZHENGLIUDIANLUHUODEDEJUNSHIMAIDONGZHILIUDIAN,BUSHICHUNZHILIU。WEILEBIJIAOMAIDONGCHENGFENDEDUOSHAO,YIBANYONGWENBOXISHULAIBIAOSHI,QISHUZHIYUEXIAO,JIAOLIUCHENGFENYUESHAO,YUEJIEJINCHUNZHILIU。GEZHONGZHENGLIUDIANLUDEBODONGXISHUBUTONG。QIYOUDADAOXIAODECIXUWEI:SANXIANGBANBOZHENGLIU、SANXIANGQUANBOQIAOSHIZHENGLIUHUODAIPINGHENGDIANKANGQIDELIUXIANGSHUANGFANXINGXINGZHENGLIU。KEKONGGUILIYONGGAIBIANKEKONGGUIGUANDAOTONGJIAOLAIDIAOZHENGSHUCHUPINGJUNZHILIUDAXIAODEPUTONGKEKONGGUIZHENGLIUQI,KEKONGGUIGUANSHUCHUDESHIJIANDUANMAICHONGBO,QIWENBOXISHUDESHOUDAOTONGJIAOKONGZHI,SHUCHUWENBOXISHUDAYUPUTONGGUIZHENGLIUDIANLU。

3、电镀电源对电镀工艺的影响

直流电源波形对电镀质量有突出的影响 各类电镀工艺中,镀铬看一集电视剧赚60元是受电源波形影响最大的镀种之一。镀铬必须采用低纹波直流电源,否则光亮范围窄,镀层易发花、发灰。在使用高效镀硬铬添加剂时,产生微裂纹铬层,输出纹波过大时,裂纹不细密且分布不均匀,达不到要求的裂纹数。

光亮镀铜看一集电视剧赚60元都有一个规律:从赫尔槽试片上看,阴极电流密度越大的地方,镀层光亮整平性越好;电流密度越低,光亮整平性越差。试图扩展低电流密度区光亮范围,同时降低高流密度区光亮度,光亮均匀最好。在实践中,采用同样的配方、工艺条件,使用相同的光亮剂,得到的光亮整平性与光亮范围,却可能出现较大差异,这与所用直流电源输出纹波系数大小有很大关系。

光亮镀镍对整流输出纹波系数要求没有镀铬和光亮酸性镀铜那样高,但也确实需要采用普通低纹波输出直流电源,才能确保光亮镀镍层质量,且能保证后续套铬的质量。

硫酸盐光亮酸性镀锡本身就是不易镀好的镀种,其原因是大生产中易引入杂质且不好处理(包括四价锡离子)、允许温度范围窄,目前光亮剂多数不理想,该工艺也要求采用低纹波系数直流电源,否则会出现与光亮酸性镀铜相类似的故障。

看一集电视剧赚60元DUYEWENSHENGWENTI:WENBOXISHUDADEZHILIUDIANYUANJIMAICHONGDIANYUANWANGWANGHUIJIAKUAIWENSHENG。WENBOXISHUYUEDA,QIXIEBOFENLIANGYEYUEDA,NENGCHANSHENGDALIANGOUMURE,JIAKUAILEDUYEWENSHENG,CAIYONGPINGHUAZHILIUYOULIYUJIANGDIDUCAOWENDU。ZHENGLIUQIFUHELVDUIWENBOXISHUDEYINGXIANG: GONGZUODIANLIUYUEJIEJINZHENGLIUQIDEEDINGDIANLIU,BOXINGYUEPINGHUA,XUANZEZHENGLIUQISHIYINGGENJUGONGYIYAOQIUXUANQUEDINGSHUCHUDIANYUANDIANYAJIEJINZUIDAXUQIUZHI,BAOZHENGZHENGLIUDIANYUANSHUCHUWENBOXISHUSHIZHONGBAOCHIZAIJIAODIZHI。

4、脉冲电源设备

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(2)DUODUANSHIYUNXINGMOSHI。LVYANGJIYANGHUAHUOYINGGEDIANDUSHI,WANGWANGXUYAOJINXINGFANXIANGDIANJIE、DADIANLIUCHONGJI、JIETISONGDIANDENGCAOZUO。JUYOUDUODUANSHIYUNXINGMOSHIDEMAICHONGDIANYUANZEZHIXUTIQIANSHEDING,SHENGCHANSHIKEZIDONGANSHUNXUJINXINGZIDONGDIAOJIE。ZHEIYIGONGNENGDUIYINGGEDIANDUSHIFEICHANGYOUYONGDE,MEIYIDUANSHIJIANKEZAI0~255MIAONEIDIAOJIESHEDING。

(3)SHUANGXIANGMAICHONGGONGNENG。ZHENGFUMAICHONGPINLV、ZHANKONGBI、ZHENGFANXIANGSHUCHUSHIJIANJUNKEDULIDIAOJIE,SHIYONGLINGHUO、FANGBIAN。PEIHEYINGGEDIANDUGONGYI,KEHUODEBUTONGWULIXINGNENGDEDUCENG。

(4)ZHILIUDIEJIAGONGNENG。SHUCHUZHENGFANXIANGMAICHONGDIANLIUDETONGSHI,YOUTONGYITAIDIANYUANDIEJIASHUCHUYICHUNZHILIUCHENGFEN,GENGTUOKUANLEMAICHONGDIANYUANDESHIYONGFANWEIJIYONGTU。

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