CN107675222A - 一种铝线的在线镀锡工艺 - Google Patents
一种铝线的在线镀锡工艺 Download PDFInfo
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- CN107675222A CN107675222A CN201710887306.7A CN201710887306A CN107675222A CN 107675222 A CN107675222 A CN 107675222A CN 201710887306 A CN201710887306 A CN 201710887306A CN 107675222 A CN107675222 A CN 107675222A
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- tin plating
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/10—Electroplating with more than one layer of the same or of different metals
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/04—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the coating material
- C23C2/06—Zinc or cadmium or alloys based thereon
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/34—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the shape of the material to be treated
- C23C2/36—Elongated material
- C23C2/38—Wires; Tubes
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/30—Electroplating: Baths therefor from solutions of tin
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/38—Electroplating: Baths therefor from solutions of copper
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/34—Pretreatment of metallic surfaces to be electroplated
- C25D5/42—Pretreatment of metallic surfaces to be electroplated of light metals
- C25D5/44—Aluminium
Abstract
本发明公开了一种可以使锡层与铝线结合得更加紧密的铝线的在线镀锡工艺,其具体步骤为:将铝线依次经过除油、清洗、浸锌、脱锌、清洗、浸锌、清洗、镀铜、清洗、烘干并退火、清洗、镀锡和烘干后,得到成品;其中,每升浸锌液中含有:200~250克的氢氧化钠、30~40克的氧化锌、7~8克的酒石酸钾钠、2~3克的三氯化铁和1~2克的销酸钠;每升镀铜液中含有:25~35克的碳酸钾、70~90克的氢氧化钠、70~90克的硫酸铜和280~320克的添加剂;每升镀锡液中含有:25~35克的硫酸亚锡、110~130克的硫酸、2~4克的明胶、4~6克的乳化剂和8~12毫升的光亮剂。本发明主要用于各种铝线的镀锡。
Description
技术领域
本发明涉及到一种金属线的在线镀锡工艺,具体涉及到一种铝线的在线镀锡工艺。
背景技术
目前,用于铝线的传统镀锡工艺,其通常相对比较简单。经过传统镀锡工艺形成的镀锡铝线,其表面的镀锡与铝线结合得不够紧密,使得在实际使用过程中,铝线上的锡层容易剥落,影响到镀锡铝线的正常使用,大大缩短了镀锡铝线的使用寿命。
发明内容
本发明所要解决的技术问题是:提供一种可使锡层与铝线结合得更加紧密的铝线的在线镀锡工艺。
为解决上述技术问题,本发明所采用的技术方案为:一种铝线的在线镀锡工艺,其步骤为:
将铝线依次经过除油、第一次清洗、第一次浸锌后,采用质量百分比浓度为50%以上的硝酸脱锌,然后,依次经过第二次清洗、第二次浸锌、第三次清洗、镀铜、第四次清洗、烘干并退火、第五次清洗、镀锡、第六次清洗和烘干后,得到成品;
在上述的镀锡过程中,浸锌在浸锌液中进行,每升浸锌液中含有:200~250克的氢氧化钠、30~40克的氧化锌、7~8克的酒石酸钾钠、2~3克的三氯化铁和1~2克的销酸钠;镀铜在镀铜液中进行,每升镀铜液中含有:25~35克的碳酸钾、70~90克的氢氧化钠、70~90克的硫酸铜和280~320克的添加剂;镀锡在镀锡液中进行,每升镀锡液中含有:25~35克的硫酸亚锡、110~130克的硫酸、2~4克的明胶、4~6克的乳化剂和8~12毫升的光亮剂。
作为一种优选方案,在所述的一种铝线的在线镀锡工艺中,所述的乳化剂为OP乳化剂,其主要成分为辛基酚聚氧乙烯醚。
作为一种优选方案,在所述的一种铝线的在线镀锡工艺中,所述的第五次清洗采用热水清洗,热水的温度控制在65~75℃之间。
本发明的有益效果是:采用本发明所述的镀锡工艺得到的镀锡铝线,锡层通过铜层、铜层再通过锌层牢固地附着在内部的铝丝上,使得锡层与内部铝丝的结合更加紧密,在实际使用过程中,锡层不易剥落,从而大大提高了镀锡铝线的使用寿命。
具体实施方式
下面结合具体的实施例,详细描述本发明所述的一种铝线的在线镀锡工艺的具体实施方案。
本发明所述的一种铝线的在线镀锡工艺,其步骤为:将不锈钢丝依次经过除油、第一次清洗、第一次浸锌后,采用质量百分比浓度为50%以上的硝酸脱锌,然后,依次经过第二次清洗、第二次浸锌、第三次清洗、镀铜、第四次清洗、烘干并退火、第五次清洗、镀锡、第六次清洗和烘干后,得到成品;
在上述的镀锡过程中,第五次清洗采用热水清洗,热水的温度控制在65~75℃之间;浸锌在浸锌液中进行,每升浸锌液中含有:200~250克的氢氧化钠、30~40克的氧化锌、7~8克的酒石酸钾钠、2~3克的三氯化铁和1~2克的销酸钠;镀铜在镀铜液中进行,每升镀铜液中含有:25~35克的碳酸钾、70~90克的氢氧化钠、70~90克的硫酸铜和280~320克的添加剂,其中的添加剂选用羟基乙叉二膦酸(业内人士所说的HEDP);镀锡在镀锡液中进行,每升镀锡液中含有:25~35克的硫酸亚锡、110~130克的硫酸、2~4克的明胶、4~6克的乳化剂和8~12毫升的光亮剂,其中的乳化剂选用主要成分为辛基酚聚氧乙烯醚的OP乳化剂。
综上所述,仅为本发明的较佳实施例而已,并非用来限定本发明实施的范围,凡依本发明权利要求范围所述的形状、构造、特征及精神所作的均等变化与修饰,均应包括在本发明的权利要求范围内。
Claims (3)
1.一种铝线的在线镀锡工艺,其步骤为:
将铝线依次经过除油、第一次清洗、第一次浸锌后,采用质量百分比浓度为50%以上的硝酸脱锌,然后,依次经过第二次清洗、第二次浸锌、第三次清洗、镀铜、第四次清洗、烘干并退火、第五次清洗、镀锡、第六次清洗和烘干后,得到成品;
在上述的镀锡过程中,浸锌在浸锌液中进行,每升浸锌液中含有:200~250克的氢氧化钠、30~40克的氧化锌、7~8克的酒石酸钾钠、2~3克的三氯化铁和1~2克的销酸钠;镀铜在镀铜液中进行,每升镀铜液中含有:25~35克的碳酸钾、70~90克的氢氧化钠、70~90克的硫酸铜和280~320克的添加剂;镀锡在镀锡液中进行,每升镀锡液中含有:25~35克的硫酸亚锡、110~130克的硫酸、2~4克的明胶、4~6克的乳化剂和8~12毫升的光亮剂。
2.根据权利要求1所述的铝线的在线镀锡工艺,其特征在于:所述的乳化剂为OP乳化剂。
3.根据权利要求1或2所述的铝线的在线镀锡工艺,其特征在于:所述的第五次清洗采用热水清洗,热水的温度控制在65~75℃之间。
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US5965279A (en) * | 1993-11-22 | 1999-10-12 | Axon'cable Sa | Electrical conductor made of copper-plated and tin-plated aluminum |
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CN202054913U (zh) * | 2011-03-01 | 2011-11-30 | 无锡新大中薄板有限公司 | 可焊性镀锡铝合金带 |
CN102439796A (zh) * | 2009-05-22 | 2012-05-02 | 矢崎总业株式会社 | 连接器端子 |
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CN104152951A (zh) * | 2014-07-17 | 2014-11-19 | 广东致卓精密金属科技有限公司 | 无氰碱性溶液镀光亮铜电镀液及工艺 |
CN105821452A (zh) * | 2016-05-19 | 2016-08-03 | 江苏兴达钢帘线股份有限公司 | 一种在铜丝上电镀纯锡的镀液配方及电镀方法 |
EP3093376A1 (en) * | 2015-05-11 | 2016-11-16 | Bticino S.P.A. | Process for continuous electrochemical tinning of an aluminium wire |
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2017
- 2017-09-27 CN CN201710887306.7A patent/CN107675222A/zh active Pending
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
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US5965279A (en) * | 1993-11-22 | 1999-10-12 | Axon'cable Sa | Electrical conductor made of copper-plated and tin-plated aluminum |
WO2010056076A2 (ko) * | 2008-11-17 | 2010-05-20 | 일진소재산업(주) | 태양전지용 전극선재 및 그 제조방법 |
CN102439796A (zh) * | 2009-05-22 | 2012-05-02 | 矢崎总业株式会社 | 连接器端子 |
CN102071446A (zh) * | 2011-03-01 | 2011-05-25 | 无锡新大中薄板有限公司 | 可焊性铝卷材连续电镀工艺 |
CN202054913U (zh) * | 2011-03-01 | 2011-11-30 | 无锡新大中薄板有限公司 | 可焊性镀锡铝合金带 |
US20130032599A1 (en) * | 2011-08-05 | 2013-02-07 | Calphalon Corporation | Process for Making Heat Stable Color Anodized Aluminum and Articles Formed Thereby |
CN104152951A (zh) * | 2014-07-17 | 2014-11-19 | 广东致卓精密金属科技有限公司 | 无氰碱性溶液镀光亮铜电镀液及工艺 |
EP3093376A1 (en) * | 2015-05-11 | 2016-11-16 | Bticino S.P.A. | Process for continuous electrochemical tinning of an aluminium wire |
CN105821452A (zh) * | 2016-05-19 | 2016-08-03 | 江苏兴达钢帘线股份有限公司 | 一种在铜丝上电镀纯锡的镀液配方及电镀方法 |
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Application publication date: 20180209 |