CN111826642A - 一种镀镍锡线的生产工艺 - Google Patents
一种镀镍锡线的生产工艺 Download PDFInfo
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- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
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- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/1601—Process or apparatus
- C23C18/1633—Process of electroless plating
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- 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
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- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/18—Pretreatment of the material to be coated
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- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
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- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/52—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating using reducing agents for coating with metallic material not provided for in a single one of groups C23C18/32 - C23C18/50
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- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
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- C23G3/02—Apparatus for cleaning or pickling metallic material for cleaning wires, strips, filaments continuously
- C23G3/021—Apparatus for cleaning or pickling metallic material for cleaning wires, strips, filaments continuously by dipping
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- C—CHEMISTRY; METALLURGY
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- C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
- C25F1/00—Electrolytic cleaning, degreasing, pickling or descaling
Abstract
本发明公开了一种镀镍锡线的生产工艺,包括下述的工艺步骤:上挂,超声波除油处理,电解除油处理,预镀铜处理,镀铜处理,预镀镍处理,镀镍处理,预镀锡处理,镀锡处理,防变色处理,热水清洗处理,干燥处理,下挂,在镀锡处理中,依次在线材表面镀亮锡和镀雾锡,并对应形成亮锡镀层与雾锡镀层,亮锡镀层的厚度为0.5~3.0微米,本发明制备工艺简单,用该工艺制得的镀镍锡线,镀层表面具有很好的金属光泽,附着性好,韧性好,延展性能优良。
Description
技术领域
本发明涉及线材制备技术领域,尤其是涉及一种镀镍锡线的生产工艺。
背景技术
随着全球经济的快速发展,在交通运输、能源电力、电子电气等领域中对镀层线材的需求已呈急剧增加的趋势。目前市场上公知的镀层线材产品以镀锡、镀镍、镀银为主,其中尤以镀镍线材因具有较好的耐腐蚀性、耐磨性、润滑性、硬度、导电性和良好的外观性能而更受使用者的青睐,但现有的镀镍线材在实际使用中相应也还存在有一些诸如产品稳定性差、镀层易脱皮、镀层表面不光亮等不足,因此提出一种镀镍锡线的生产工艺。
发明内容
本发明为克服上述情况不足,旨在提供一种能解决上述问题的技术方案。
一种镀镍锡线的生产工艺,包括下述的工艺步骤:
(1)上挂:将线材悬挂在挂架上;
(2)超声波除油处理:将线材置于超声波除油槽中进行除油处理;
(3)电解除油处理:将超声波除油处理后的线材置于碱性化学除油液内进行除油处理,然后将经除油后的线材置于自来水中清洗,以去除其表面残留的除油液;
(4)预镀铜处理:将经电解除油处理后的线材置于低挥发酸洗液内进行循环洗涤,然后将经酸洗后的线材置于纯水中清洗,以去除其表面残留的酸洗液;
(5)镀铜处理:将经预镀铜处理后的线材进行氰化镀铜,然后将镀铜处理后的线材置于纯水中清洗,以去除其表面残留的镀铜液;
(6)预镀镍处理:将经镀铜处理后的线材置于低挥发酸洗液内进行循环洗涤,然后将经酸洗后的线材置于纯水中清洗,以去除其表面残留的酸洗液;
(7)镀镍处理:将经预镀镍处理后的线材进行硫酸盐镀镍,以硫酸镍为主盐,氯化镍为活化剂,硼酸为缓冲剂,再加入以表面活性剂为主体的添加剂,在线材表面镀上一层厚度在1~2微米的镍层,然后将镀镍后的线材置于纯水中清洗,以去除其表面残留的镀镍液;
(8)预镀锡处理:将经镀镍处理后的线材置于低挥发酸洗液内进行循环洗涤,然后将经酸洗后的线材置于纯水中清洗,以去除其表面残留的酸洗液;
(9)镀锡处理:将经预镀锡处理后的线材进行硫酸盐镀锡,镀锡后的线材置于纯水中清洗,以去除其表面残留的镀锡液;
(10)防变色处理:将经镀锡处理后的线材表面喷涂锡防变色剂,然后将经喷涂后的线材置于纯水中清洗,以去除其表面残留的锡防变色剂;
(11)热水清洗处理:将经防变色处理后的线材置于热纯水中清洗;
(12)干燥处理:将热水清洗处理后的线材通过风机中吹干表面的水分,然后通过蒸汽将线材表面和内部的水分完全烘干;
(13)下挂:将经干燥处理后的线材取下收线;
作为本发明进一步的方案:在镀镍处理中,以硫酸镍为主盐,浓度为250~300g/L;氯化镍为活化剂,浓度为40~50g/L;硼酸为缓冲剂,浓度为30~40g/L;再加入适量的以表面活性剂为主体的添加剂。
作为本发明进一步的方案:每L除油液内除纯水外,含有无水碳酸钠35~45g、 磷酸三钠30~35g、 氢氧化钠38~45g和洗衣粉10~20g。
作为本发明进一步的方案:每L酸洗液内除纯水外,含有分析纯硫酸50~80g。
作为本发明进一步的方案:在干燥处理中,蒸汽温度为100~120℃,烘干时间为8~10秒。
作为本发明进一步的方案:在热水清洗处理中,热纯水温度为50~70°,清洗时间为5~10秒,
作为本发明进一步的方案:在镀锡处理中,依次在线材表面镀亮锡和镀雾锡,并对应形成亮锡镀层与雾锡镀层。
作为本发明进一步的方案:亮锡镀层的厚度为0.5~3.0微米。
作为本发明进一步的方案:雾锡镀层的厚度为1.0~5.0微米。
与现有技术相比,本发明的有益效果是:本发明制备工艺简单,用该工艺制得的镀镍锡线,镀层表面具有很好的金属光泽,附着性好,韧性好,延展性能优良。
本发明的附加方面和优点将在下面的描述中部分给出,部分将从下面的描述中变得明显,或通过本发明的实践了解到。
具体实施方式
下面将对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。
本发明实施例中,一种镀镍锡线的生产工艺,包括下述的工艺步骤:
(1)上挂:将线材悬挂在挂架上;
(2)超声波除油处理:将线材置于超声波除油槽中进行除油处理;
(3)电解除油处理:将超声波除油处理后的线材置于碱性化学除油液内进行除油处理,然后将经除油后的线材置于自来水中清洗,以去除其表面残留的除油液;
(4)预镀铜处理:将经电解除油处理后的线材置于低挥发酸洗液内进行循环洗涤,然后将经酸洗后的线材置于纯水中清洗,以去除其表面残留的酸洗液;
(5)镀铜处理:将经预镀铜处理后的线材进行氰化镀铜,然后将镀铜处理后的线材置于纯水中清洗,以去除其表面残留的镀铜液;
(6)预镀镍处理:将经镀铜处理后的线材置于低挥发酸洗液内进行循环洗涤,然后将经酸洗后的线材置于纯水中清洗,以去除其表面残留的酸洗液;
(7)镀镍处理:将经预镀镍处理后的线材进行硫酸盐镀镍,以硫酸镍为主盐,氯化镍为活化剂,硼酸为缓冲剂,再加入以表面活性剂为主体的添加剂,在线材表面镀上一层厚度在1~2微米的镍层,然后将镀镍后的线材置于纯水中清洗,以去除其表面残留的镀镍液;
(8)预镀锡处理:将经镀镍处理后的线材置于低挥发酸洗液内进行循环洗涤,然后将经酸洗后的线材置于纯水中清洗,以去除其表面残留的酸洗液;
(9)镀锡处理:将经预镀锡处理后的线材进行硫酸盐镀锡,镀锡后的线材置于纯水中清洗,以去除其表面残留的镀锡液;
(10)防变色处理:将经镀锡处理后的线材表面喷涂锡防变色剂,然后将经喷涂后的线材置于纯水中清洗,以去除其表面残留的锡防变色剂;
(11)热水清洗处理:将经防变色处理后的线材置于热纯水中清洗;
(12)干燥处理:将热水清洗处理后的线材通过风机中吹干表面的水分,然后通过蒸汽将线材表面和内部的水分完全烘干;
(13)下挂:将经干燥处理后的线材取下收线;
在镀镍处理中,以硫酸镍为主盐,浓度为250~300g/L;氯化镍为活化剂,浓度为40~50g/L;硼酸为缓冲剂,浓度为30~40g/L;再加入适量的以表面活性剂为主体的添加剂。
每L除油液内除纯水外,含有无水碳酸钠35~45g、 磷酸三钠30~35g、 氢氧化钠38~45g和洗衣粉10~20g。
每L酸洗液内除纯水外,含有分析纯硫酸50~80g。
在干燥处理中,蒸汽温度为100~120℃,烘干时间为8~10秒。
在热水清洗处理中,热纯水温度为50~70°,清洗时间为5~10秒,
在镀锡处理中,依次在线材表面镀亮锡和镀雾锡,并对应形成亮锡镀层与雾锡镀层。
亮锡镀层的厚度为0.5~3.0微米。
雾锡镀层的厚度为1.0~5.0微米。
本发明制备工艺简单,用该工艺制得的镀镍锡线,镀层表面具有很好的金属光泽,附着性好,韧性好,延展性能优良。
对于本领域技术人员而言,显然本发明不限于上述示范性实施例的细节,而且在不背离本发明的精神或基本特征的情况下,能够以其他的具体形式实现本发明。因此,无论从哪一点来看,均应将实施例看作是示范性的,而且是非限制性的,本发明的范围由所附权利要求而不是上述说明限定,因此旨在将落在权利要求的等同要件的含义和范围内的所有变化囊括在本发明内。
Claims (9)
1.一种镀镍锡线的生产工艺,其特征在于包括下述的工艺步骤:
(1)上挂:将线材悬挂在挂架上;
(2)超声波除油处理:将线材置于超声波除油槽中进行除油处理;
(3)电解除油处理:将超声波除油处理后的线材置于碱性化学除油液内进行除油处理,然后将经除油后的线材置于自来水中清洗,以去除其表面残留的除油液;
(4)预镀铜处理:将经电解除油处理后的线材置于低挥发酸洗液内进行循环洗涤,然后将经酸洗后的线材置于纯水中清洗,以去除其表面残留的酸洗液;
(5)镀铜处理:将经预镀铜处理后的线材进行氰化镀铜,然后将镀铜处理后的线材置于纯水中清洗,以去除其表面残留的镀铜液;
(6)预镀镍处理:将经镀铜处理后的线材置于低挥发酸洗液内进行循环洗涤,然后将经酸洗后的线材置于纯水中清洗,以去除其表面残留的酸洗液;
(7)镀镍处理:将经预镀镍处理后的线材进行硫酸盐镀镍,以硫酸镍为主盐,氯化镍为活化剂,硼酸为缓冲剂,再加入以表面活性剂为主体的添加剂,在线材表面镀上一层厚度在1~2微米的镍层,然后将镀镍后的线材置于纯水中清洗,以去除其表面残留的镀镍液;
(8)预镀锡处理:将经镀镍处理后的线材置于低挥发酸洗液内进行循环洗涤,然后将经酸洗后的线材置于纯水中清洗,以去除其表面残留的酸洗液;
(9)镀锡处理:将经预镀锡处理后的线材进行硫酸盐镀锡,镀锡后的线材置于纯水中清洗,以去除其表面残留的镀锡液;
(10)防变色处理:将经镀锡处理后的线材表面喷涂锡防变色剂,然后将经喷涂后的线材置于纯水中清洗,以去除其表面残留的锡防变色剂;
(11)热水清洗处理:将经防变色处理后的线材置于热纯水中清洗;
(12)干燥处理:将热水清洗处理后的线材通过风机中吹干表面的水分,然后通过蒸汽将线材表面和内部的水分完全烘干;
(13)下挂:将经干燥处理后的线材取下收线。
2.根据权利要求1所述的一种镀镍锡线的生产工艺,其特征在于,在镀镍处理中,以硫酸镍为主盐,浓度为250~300g/L;氯化镍为活化剂,浓度为40~50g/L;硼酸为缓冲剂,浓度为30~40g/L;再加入适量的以表面活性剂为主体的添加剂。
3.根据权利要求1所述的一种镀镍锡线的生产工艺,其特征在于,每L除油液内除纯水外,含有无水碳酸钠35~45g、 磷酸三钠30~35g、 氢氧化钠38~45g和洗衣粉10~20g。
4.根据权利要求1所述的一种镀镍锡线的生产工艺,其特征在于,每L酸洗液内除纯水外,含有分析纯硫酸50~80g。
5.根据权利要求1所述的一种镀镍锡线的生产工艺,其特征在于,在干燥处理中,蒸汽温度为100~120℃,烘干时间为8~10秒。
6.根据权利要求1所述的一种镀镍锡线的生产工艺,其特征在于,在热水清洗处理中,热纯水温度为50~70°,清洗时间为5~10秒。
7.根据权利要求1所述的一种镀镍锡线的生产工艺,其特征在于,在镀锡处理中,依次在线材表面镀亮锡和镀雾锡,并对应形成亮锡镀层与雾锡镀层。
8.根据权利要求7所述的一种镀镍锡线的生产工艺,其特征在于,亮锡镀层的厚度为0.5~3.0微米。
9.根据权利要求7所述的一种镀镍锡线的生产工艺,其特征在于,雾锡镀层的厚度为1.0~5.0微米。
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CN112376095A (zh) * | 2020-11-13 | 2021-02-19 | 中山品高电子材料有限公司 | 一种防止高温融锡的电镀工艺 |
CN112962124A (zh) * | 2021-02-07 | 2021-06-15 | 赵亚飞 | 一种提高鱼钩表面亮度的鱼钩生产工艺 |
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CN112376095A (zh) * | 2020-11-13 | 2021-02-19 | 中山品高电子材料有限公司 | 一种防止高温融锡的电镀工艺 |
CN112962124A (zh) * | 2021-02-07 | 2021-06-15 | 赵亚飞 | 一种提高鱼钩表面亮度的鱼钩生产工艺 |
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