CN114892232A - 应用于胶管钢丝的低损耗电镀工艺 - Google Patents
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 80
- 239000010959 steel Substances 0.000 title claims abstract description 80
- 238000009713 electroplating Methods 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000005406 washing Methods 0.000 claims abstract description 31
- 229910021538 borax Inorganic materials 0.000 claims abstract description 27
- 239000004328 sodium tetraborate Substances 0.000 claims abstract description 27
- 235000010339 sodium tetraborate Nutrition 0.000 claims abstract description 27
- 238000009792 diffusion process Methods 0.000 claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 238000001035 drying Methods 0.000 claims abstract description 19
- 238000007747 plating Methods 0.000 claims abstract description 18
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910052802 copper Inorganic materials 0.000 claims abstract description 13
- 239000010949 copper Substances 0.000 claims abstract description 13
- 238000001816 cooling Methods 0.000 claims abstract description 12
- 238000005246 galvanizing Methods 0.000 claims abstract description 12
- 238000010438 heat treatment Methods 0.000 claims abstract description 12
- 238000005554 pickling Methods 0.000 claims abstract description 11
- 239000002253 acid Substances 0.000 claims abstract description 8
- 238000004804 winding Methods 0.000 claims abstract description 8
- 229910001369 Brass Inorganic materials 0.000 claims abstract description 7
- 239000010951 brass Substances 0.000 claims abstract description 7
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 14
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 7
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 abstract description 16
- 239000011248 coating agent Substances 0.000 abstract description 14
- 238000000576 coating method Methods 0.000 abstract description 14
- 239000011787 zinc oxide Substances 0.000 abstract description 8
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 5
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000002401 inhibitory effect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 238000013329 compounding Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
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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
- C25D7/00—Electroplating characterised by the article coated
- C25D7/06—Wires; Strips; Foils
- C25D7/0607—Wires
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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
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/22—Electroplating: Baths therefor from solutions of zinc
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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
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/38—Electroplating: Baths therefor from solutions of copper
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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
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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
- C25D5/48—After-treatment of electroplated surfaces
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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
- C25D5/48—After-treatment of electroplated surfaces
- C25D5/50—After-treatment of electroplated surfaces by heat-treatment
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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Abstract
本发明涉及到一种应用于胶管钢丝的低损耗电镀工艺,包括如下具体步骤:s1、镀铜:对表面清洁的胶管钢丝进行镀铜;s2、镀锌:对完成镀铜的胶管钢丝进行镀锌;s3、热水洗:采用硼砂热溶液对完成镀锌的胶管钢丝进行浸浴洗;s4、热扩散:将完成热水洗的胶管钢丝引入加热炉进行热扩散获得所需的具有黄铜镀层的镀铜钢丝;s5、冷却:采用水冷的方式冷却高温镀铜钢丝;s6、酸洗:对冷却后的镀铜钢丝进行酸洗,去除氧化皮;s7、清水洗:去除镀铜钢丝表面酸洗液;s8、干燥:烘干镀铜钢丝;s9、收线:采用收卷机构将钢丝卷绕成卷。采用该电镀工艺能够有效抑制氧化锌的形成,从而降低镀层损耗,提高有效电镀效率。
Description
技术领域
本发明涉及一种应用于胶管钢丝的低损耗电镀工艺。
背景技术
目前电镀胶管钢丝的工艺流程是先镀铜,再镀锌,然后经过热扩散复合成黄铜镀层,在热扩散复合过中,会造成钢丝表层的镀锌层氧化,形成氧化锌,而氧化锌硬而脆,不利于后道进一步湿拉,所以在热扩散后需要进行磷酸洗,去除表层氧化锌,造成镀层损失,同时降低了有效电镀效率。
发明内容
本发明所要解决的技术问题是:提供一种应用于胶管钢丝的低损耗电镀工艺。采用该电镀工艺能够有效抑制氧化锌的形成,从而降低镀层损耗,提高有效电镀效率。
为解决上述技术问题,本发明采用的技术方案是:应用于胶管钢丝的低损耗电镀工艺,包括如下具体步骤:
s1、镀铜:对表面清洁的胶管钢丝进行镀铜;
s2、镀锌:对完成镀铜的胶管钢丝进行镀锌;
s3、热水洗:采用硼砂热溶液对完成镀锌的胶管钢丝进行浸浴洗;
s4、自热干燥:完成热水洗的胶管钢丝在空气中运行一段距离,利用胶管钢丝自身热量烘干其表面附着的硼砂热溶液,硼砂热溶液烘干后在胶管钢丝表面形成硼砂膜;
s5、热扩散:将完成自热干燥的胶管钢丝引入加热炉进行热扩散获得所需的具有黄铜镀层的镀铜钢丝;
s6、冷却:采用水冷的方式冷却高温镀铜钢丝;
s7、酸洗:对冷却后的镀铜钢丝进行酸洗,去除氧化皮;
s8、清水洗:去除镀铜钢丝表面酸洗液;
s9、干燥:烘干镀铜钢丝;
s10、收线:采用收卷机构将钢丝卷绕成卷。
作为一种优选方案,热水洗步骤中,硼砂热溶液浓度为2-4g/L,温度为80~95℃。
作为一种优选方案,热扩散过程温度为400-650℃。
作为一种优选方案,酸洗步骤的洗液为磷酸溶液。
本发明的有益效果是:本发明通过采用硼砂热溶液对热扩散之前且完成镀锌的胶管钢丝进行浸浴洗,使胶管钢丝表面形成一层薄薄的硼砂膜,在钢丝热扩散过程,硼砂膜既不影响钢丝受热扩散,又可以有效阻隔钢丝表面与氧气接触,从而抑制镀锌层氧化,降低镀层因酸洗而造成的损耗,提高有效电镀效率,降低电镀过程的电能损耗、原料损耗。
具体实施方式
下面通过具体实施例,对本发明进行详细的解释。
实施例1:
应用于胶管钢丝的低损耗电镀工艺,包括如下具体步骤:
s1、镀铜:对表面清洁的胶管钢丝进行镀铜;
s2、镀锌:对完成镀铜的胶管钢丝进行镀锌;
s3、热水洗:采用硼砂热溶液对完成镀锌的胶管钢丝进行浸浴洗,硼砂热溶液浓度为2g/L,温度为80℃;
s4、自热干燥:完成热水洗的胶管钢丝在空气中运行一段距离,利用胶管钢丝自身热量烘干其表面附着的硼砂溶液,硼砂溶液烘干后在胶管钢丝表面形成硼砂膜;
s5、热扩散:将完成自热干燥的胶管钢丝引入400℃加热炉进行热扩散,获得所需的具有黄铜镀层的镀铜钢丝;
s6、冷却:采用水冷的方式冷却高温镀铜钢丝;
s7、酸洗:对冷却后的镀铜钢丝进行酸洗,去除氧化皮;酸洗步骤的洗液为磷酸溶液。
s8、清水洗:去除镀铜钢丝表面酸洗液;
s9、干燥:烘干镀铜钢丝;
s10、收线:采用收卷机构将钢丝卷绕成卷。
经统计,采用上述电镀工艺后,在达到同等镀层质量标准的前提下,镀锌电流下降了3%,电镀效率提升2%,镀层氧化锌含量降低6%,同时减少磷酸消耗。
实施例2:
本实施例与实施例1类似,区别在于步骤s3:热水洗:采用硼砂热溶液对完成镀锌的胶管钢丝进行浸浴洗,硼砂热溶液浓度为3g/L,温度为90℃;
步骤s5、热扩散:将完成自热干燥的胶管钢丝引入500℃的加热炉进行热扩散,获得所需的具有黄铜镀层的镀铜钢丝。
其余步骤均匀实施例1相同。
经统计,采用上述电镀工艺后,在达到同等镀层质量标准的前提下,镀锌电流下降了4%,电镀效率提升3%,镀层氧化锌含量降低7%,同时减少磷酸消耗。
实施例3:
本实施例与实施例1类似,区别在于步骤s3:热水洗:采用硼砂热溶液对完成镀锌的胶管钢丝进行浸浴洗,硼砂热溶液浓度为4g/L,温度为95℃;
步骤s5、热扩散:将完成自热干燥的胶管钢丝引入650℃的加热炉进行热扩散,获得所需的具有黄铜镀层的镀铜钢丝。
其余步骤均匀实施例1相同。
经统计,采用上述电镀工艺后,在达到同等镀层质量标准的前提下,镀锌电流下降了5%,电镀效率提升4%,镀层氧化锌含量降低8%,同时减少磷酸消耗。
本发明工作原理是:本发明通过采用硼砂热溶液对热扩散之前且完成镀锌的胶管钢丝进行浸浴洗,使胶管钢丝表面包裹由硼砂热溶液蒸发形成的硼砂膜,然后进入热扩散加热炉进行热扩散,在钢丝热扩散过程,硼砂膜既不影响钢丝受热扩散,又可以有效阻隔钢丝表面与氧气接触,从而抑制镀锌层氧化,降低镀层因酸洗而造成的损耗,提高有效电镀效率。
上述实施例仅例示性说明本发明创造的原理及其功效,以及部分运用的实施例,而非用于限制本发明;应当指出,对于本领域的普通技术人员来说,在不脱离本发明创造构思的前提下,还可以做出若干变形和改进,这些都属于本发明的保护范围。
Claims (4)
1.应用于胶管钢丝的低损耗电镀工艺,其特征在于,包括如下具体步骤:
s1、镀铜:对表面清洁的胶管钢丝进行镀铜;
s2、镀锌:对完成镀铜的胶管钢丝进行镀锌;
s3、热水洗:采用硼砂热溶液对完成镀锌的胶管钢丝进行浸浴洗;
s4、自热干燥:完成热水洗的胶管钢丝在空气中运行一段距离,利用胶管钢丝自身热量烘干其表面附着的硼砂热溶液,硼砂热溶液烘干后在胶管钢丝表面形成硼砂膜;
s5、热扩散:将完成自热干燥的胶管钢丝引入加热炉进行热扩散获得所需的具有黄铜镀层的镀铜钢丝;
s6、冷却:采用水冷的方式冷却高温镀铜钢丝;
s7、酸洗:对冷却后的镀铜钢丝进行酸洗,去除氧化皮;
s8、清水洗:去除镀铜钢丝表面酸洗液;
s9、干燥:烘干镀铜钢丝;
s10、收线:采用收卷机构将钢丝卷绕成卷。
2.根据权利要求1所述的电镀工艺,其特征在于,热水洗步骤中,硼砂热溶液浓度为2-4g/L,温度为80~95℃。
3.根据权利要求1所述的电镀工艺,其特征在于,热扩散过程温度为400-650℃。
4.根据权利要求1所述的电镀工艺,其特征在于,酸洗洗液为磷酸溶液。
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CN106119860A (zh) * | 2016-08-30 | 2016-11-16 | 龙南县格林庭园用品有限公司 | 一种复合热镀锌钢丝的制备方法 |
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