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压铸铝合金能做阳极氧化处理吗?

发表时间:2016-10-28

CNC+阳极加工的外壳往往成品率高、外观质感好,但成本高、CNC用量多、加工周期长。属于典型的高成本换取高品质的案例,例如苹果系列。

 


 

以智能手机外壳为例,采用CNC时,要30多分钟才能完成切割,再加上精加工作业,估计需要近1个小时的时间。而压铸工艺只需20~30秒即可成型,再加上精加工工序,可在10~20分钟完成作业。压铸加工外壳则利用模具成型,因此加工时间短,成本也比较低。但是,压铸铝很难进行阳极氧化。
 

“ 为什么压铸铝难阳极? ”

阳极氧化

 

阳极氧化处理是利用电化学的方法,在适当的电解液中,以合金零件为阳极,不锈钢、铬、或导电性电解液本身为阴极,在一定电压电流等条件下,使阳极发生氧化,从而使工件表面获得阳极氧化膜的过程,在阳极氧化上色过程中需要用硫酸阳极氧化。
 


阳极氧化工艺图

 
硫酸阳极氧化对铝合金材质的限制

 

彩票网娱乐 1、HEJINYUANSUDECUNZAIHUISHIYANGHUAMOZHILIANGXIAJIANG,TONGYANGTIAOJIANXIA,ZAICHUNLVSHANGHUODEDEYANGHUAMOZUIHOU,YINGDUZUIGAO,KANGSHIXINGZUIJIA,JUNYUNDUZUIHAO。LVHEJINCAILIAO,YAOXIANGHUODEHAODEYANGHUAXIAOGUO,YAOQUEBAOLVDEHANLIANG,TONGCHANGQINGKUANGXIA,YIBUDIYU95%WEIJIA。

彩票网娱乐 2、ZAIHEJINZHONG,TONGHUISHIYANGHUAMOFANHONGSE,POHUAIDIANJIEYEZHILIANG,ZENGJIAYANGHUAQUEXIAN;GUIHUISHIYANGHUAMOBIANHUI,TEBIESHIDANGHANLIANGCHAOGUO4.5%SHI,YINGXIANGGENGMINGXIAN;TIEYINBENSHENTEDIAN,ZAIYANGJIYANGHUAHOUHUIYIHEISEBANDIANDEXINGSHICUNZAI。

 

压铸铝合金

铸造铝合金和压铸件一般含有较高的硅含量,阳极氧化膜都是呈深色的,不可能得到无色透明的氧化膜,随着硅含量的增加,阳极氧化膜的颜色从浅灰色到深灰色直至黑灰色。因此铸造铝合金不适合于阳极氧化。
 

常用的压铸铝合金,主要可以分为三大类:
 

YISHILVGUIHEJIN,ZHUYAOBAOHANYL102(ADC1、A413.0DENG)、YL104(ADC3、A360);

彩票网娱乐 ERSHILVGUITONGHEJIN,ZHUYAOBAOHANYL112(A380、ADC10)、YL113(A383、ADC12)、YL117(B390、ADC14);

SANSHILVMEIHEJIN,ZHUYAOBAOHAN302(5180、ADC5、ADC6)。

 

  • 彩票网娱乐 LVGUIHEJIN、LVGUITONGHEJIN

     

    DUIYULVGUIHEJIN、LVGUITONGHEJIN,GUMINGSIYI,QICHENGFENCHULVZHIWAI,GUIYUTONGSHIZHUYAOGOUCHENG;TONGCHANGQINGKUANGXIA,GUIHANLIANGZAI6-12%ZHIJIAN,ZHUYAOQIDAOTIGAOHEJINYELIUDONGXINGDEZUOYONG;TONGHANLIANGJINCIZHI,ZHUYAOQIDAOZENGQIANGQIANGDUJILASHENLIDEZUOYONG;TIEHANLIANGTONGCHANGZAI0.7-1.2%ZHIJIAN,ZAICIBILIZHINEI,GONGJIANDETUOMOXIAOGUOZUIJIA;TONGGUOQICHENGFENGOUCHENGKEYIKANCHU,CILEIHEJINSHIBUKENENGYANGHUASHANGSEDE,JISHICAIYONGTUOGUIYANGHUA,YENANYIDADAOLIXIANGXIAOGUO。ERLVGUIHEJINHUOHANTONGLIANGJIAOGAODELVHEJIN,YANGHUAMOZEJIAONANSHENGCHENG,QIESHENGCHENGDEMOFAAN、FAHUI,GUANGZEXINGBUHAO。

     

  • LVMEIHEJIN

     

    DUIYULVMEIHEJINDEYANGHUAMORONGYISHENGCHENG,MODEZHILIANGYEJIAOJIA,SHIKEYIYANGHUASHANGSEDE,ZHEISHIQUBIEYUQITAHEJINDEYIGEZHONGYAOTEDIAN;DANBIJIAOERYAN,YECUNZAIBUFENQUEDIAN。

     

    1、YANGJIYANGHUAMOJUBEISHUANGZHONGXING,QIEKONGXIJIAODA、FENBUBUJUN,NANYIDADAOZUIJIAFANGFUXIAOGUO;

    2、MEIYOUCHANSHENGYINGHUAJICUIXING、JIANGDISHENZHANGLV、ZENGDARELIEDEQINGXIANG,RUADC5、ADC6DENG,ZAISHENGCHANZHONG,YINQININGGUFANWEIKUAN、SHOUSUOQINGXIANGDA,JINGCHANGCHANSHENGSUOSONGHELIEWEN,ZHUZAOXINGNENGJICHA,YINCI,ZAIQISHIYONGFANWEISHANGYOUJIAODAJUXIANXING,JIEGOUSHAOFUZADEGONGJIAN,GENBENBUYISHENGCHAN;

    3、SHICHANGSHANGCHANGYONGDELVMEIHEJIN,YINQICHENGFENFUZA,LVCHUNDUGUODI,LIUSUANYANGJIYANGHUASHI,NANYICHANSHENGTOUMINGFANGHUMO,DUOCHENGRUBAISE,SHANGSEZHUANGTAIYECHA,ANZHENGCHANGGONGYINANYIDADAOLIXIANGXIAOGUO。

 

彩票网娱乐 ZONGHESUOSHU,KEYIKANCHU,CHANGYONGYAZHULVHEJINSHIBUYICAIQULIUSUANYANGJIYANGHUADE;DANSHI,BINGFEISUOYOUYAZHULVHEJINDOUBUNENGDADAOYANGHUASHANGSEDEMUDE,RULVMENGGUHEJINDM32、LVMENGMEIHEJINDM6DENG,YAZHUXINGNENGYUYANGHUAXINGNENGJUJIA。

 

 

“ 压铸铝阳极氧化解决方案 ”

 

YAZHUJIANNENGWANCHENGDUANYAJIAN、CHEJIAN/CNCJIANNANYIZUODAODEJIEGOU、LENGJIAOXIAN,YANGHUADEPINZHI,ZHONGXINYUYAZHUJIANDEZHILIANGSHIFEICHANGDEGUANJIAN,YIGEWEIXIAOBIANHUA、XIJIEDEGONGYICHENGKONGJUEDINGLEYANGJIDEZHILIANG。CONGSHIYAZHUJIANYANGHUADESHENGCHANCHANGJIA,BIXUKEXUECHENGKONGMOJUDELIUDAOJISHU、YAZHUGONGYIHEHOUJIAGONGDEFANGFA,YOULEZHEIYILIANCHUANDEYANKONGGUOCHENG,KEQUEBAOYANGHUAZHILIANGDESHUNLICHUPIN。

 

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  • YUANLIAODESHIYONG,BIMIANWURANYINSU;XUANZEDIHANZALIANGDEYUANLIAO;SHENGCHANSHIYONGSHI,DUJUEGUI、TONG、TIEHEXINYUANSUDEWURAN、JIBIXUDANDUYONGGAOZHISHIMOGANGUO,BUKEHEQITAYUANLIAOHUNYONGSHENGCHAN;

     

  • YAZHUGUOCHENGGONGYIKONGZHI,JIANSHAOSHUIWENHEHEISESHUIYIN;YAZHUSHENGCHANSHISHIYONGZHUANYETUOMOJI,KEXUEPENTU,JIANSHAOXINGQIANGYULIUSHUIZHU,BIMIANYAZHUSHUIWEN;KONGZHIYAZHUYALIHESUDU,JIANQINGJUBUCHONGXINGGUOYA,YIZHANMO;

     

  • MAOPIQIANJIAGONGCHULI;JIJIAGONGHOU,GENJUCHANPINDEXUQIU,SHOUGONGPAOGUANGHUOYANMOQINGCHUMAOCIHEYANGHUACENG;

    彩票网娱乐  

  • 阳极表面处理厂的选择;因压铸件表皮底层含有不同程度的缩孔、污渍;所以阳极前处理必须在常规铝合金件工艺的基础上,调整做法,使铸件表面氧化层清洁才可进行阳极工艺,就是说常规氧化后工艺生产满足不了压铸件的氧化工艺,应有批量生产前,要试验和审核,验证适合的专业厂家。
    彩票网娱乐  

相信原材料、技术、工艺的不断刷新,压铸件的阳极氧化会开创更广泛的应用!

手机阳极氧化加工: