CN106868506A - 汽车用油管生产工艺 - Google Patents

汽车用油管生产工艺 Download PDF

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CN106868506A
CN106868506A CN201710093068.2A CN201710093068A CN106868506A CN 106868506 A CN106868506 A CN 106868506A CN 201710093068 A CN201710093068 A CN 201710093068A CN 106868506 A CN106868506 A CN 106868506A
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崔秉千
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Jiangyin Hanil Iron & Steel Co Ltd
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Abstract

本发明公开了一种汽车用油管生产工艺，包括：（1）将原料制成半成品的步骤；（2）将半成品电解镀锌的步骤；（3）钝化处理的步骤；（4）喷涂纳米涂料并进行后处理的步骤。本发明能够有效地在恶劣的环境中长期保持抗腐蚀性能，具有超高的耐腐蚀性能，表面耐久性也较强，质量更高。

Description

汽车用油管生产工艺
技术领域
本发明涉及一种汽车用油管生产工艺。
背景技术
现有的汽车油管虽然能够抗腐蚀，但若是长时间使用之后或者在恶劣的环境中使用一段时间之后，其抗腐蚀性会大大降低，发生锈蚀，耐久性也会大大的降低。
发明内容
本发明为了解决目前的汽车油管抗腐蚀性和耐久性较低的问题，为此提供了一种汽车用油管生产工艺，包括：(1)将原料制成半成品的步骤；(2)将半成品电解镀锌的步骤；(3)钝化处理的步骤；(4)喷涂纳米涂料并进行后处理的步骤。
本发明汽车用油管生产工艺，步骤(1)包括原料接料→储料→单层成型→高频焊接→定径校圆度→冷拔→清洗→热处理→冷却→涡流探伤→半成品收卷。
本发明汽车用油管生产工艺，步骤(2)包括碱洗→酸洗→酸性镀锌→用氢氧化钠溶液中和→碱性镀锌，且在碱洗、酸洗、酸性镀锌、中和和碱性镀锌之后均进行水洗。
本发明汽车用油管生产工艺，步骤(2)中碱洗采用氢氧化钠溶液，溶液溶度在50-100g/L，温度在30-50℃之间，pH值在13-14之间，溶液波美度在16-18Be；酸洗采用浓硫酸，溶液溶度在50-100g/L之间，温度在25-35℃之间，pH值在1-2之间，溶液波美度在5-6Be。
本发明汽车用油管生产工艺，酸性镀锌采用酸性硫酸盐溶液，该溶液中包括硫酸铝、氯化锌、硼酸、光泽剂103A、光泽剂103B、硫酸和锌块，溶液的pH在1-3之间，温度在40-55℃之间，溶液波美度在28-35Be。
本发明汽车用油管生产工艺，碱性镀锌采用的溶液中包括氧化锌、珠碱、蒸馏水、光亮剂200B、走位剂200A、净化剂200C和锌块，溶液的pH在13，温度在25-40℃之间，溶液波美度在26-30Be。
本发明汽车用油管生产工艺，步骤(3)依次包括硝酸活化出光和铬钝化，硝酸活化出光时的溶液主要由硝酸组成，溶液pH为1-2；铬钝化时的溶液主要由TB-300M、TB-300G和蒸馏水组成，溶液pH为1-2；在硝酸活化出光和铬钝化也进行水洗。
本发明汽车用油管生产工艺，TB-300M中包括质量分数7％的氯化铬、88％的蒸馏水和5％的三氟化铬；TB-300G中包括质量分数5％的氧化硅和95％的蒸馏水。
本发明汽车用油管生产工艺，步骤(4)中的纳米涂料中包括质量分数在3％以下的甲醇、质量分数在1％以下的三乙胺、质量分数在30％以下的氧化锌和质量分数在66％以上的蒸馏水。
本发明汽车用油管生产工艺，步骤(4)中后处理包括烘干→水洗冷却→风冷却→牵引→切割，其中烘干包括一次烘干、二次烘干和三次烘干，一次烘干时的温度为120℃。二次烘干时的温度为300-350℃，三次烘干时的温度为200℃，水洗冷却温度为22-28℃。
本发明的有益效果是：
本发明能够有效地在恶劣的环境中长期保持抗腐蚀性能，具有超高的耐腐蚀性能，表面耐久性也较强，质量更高。
附图说明
本发明将通过例子并参照附图的方式说明，其中：
图1是本发明的示意图。
具体实施方式
本说明书中公开的所有特征，或公开的所有方法或过程中的步骤，除了互相排斥的特征和/或步骤以外，均可以以任何方式组合。
本说明书中公开的任一特征，除非特别叙述，均可被其他等效或具有类似目的的替代特征加以替换。即，除非特别叙述，每个特征只是一系列等效或类似特征中的一个例子而已。
如图1所示的汽车用油管生产工艺，包括：(1)将原料制成半成品的步骤；(2)将半成品电解镀锌的步骤；(3)钝化处理的步骤；(4)喷涂纳米涂料并进行后处理的步骤。
上述步骤(1)包括原料接料→储料→单层成型→高频焊接→定径校圆度→冷拔→清洗→热处理→冷却→涡流探伤→半成品收卷。
步骤(2)包括碱洗→酸洗→酸性镀锌→用氢氧化钠溶液中和→碱性镀锌，且在碱洗、酸洗、酸性镀锌、中和和碱性镀锌之后均进行水洗。碱洗采用氢氧化钠溶液，溶液溶度在50-100g/L，温度在30-50℃之间，pH值在13-14之间，溶液波美度在16-18Be；酸洗采用浓硫酸，溶液溶度在50-100g/L之间，温度在25-35℃之间，pH值在1-2之间，溶液波美度在5-6Be。酸性镀锌采用酸性硫酸盐溶液，该溶液中包括硫酸铝、氯化锌、硼酸、光泽剂103A、光泽剂103B、硫酸和锌块，溶液的pH在1-3之间，温度在40-55℃之间，溶液波美度在28-35Be。碱性镀锌采用的溶液中包括氧化锌、珠碱、蒸馏水、光亮剂200B、走位剂200A、净化剂200C和锌块，溶液的pH在13，温度在25-40℃之间，溶液波美度在26-30Be。
步骤(3)依次包括硝酸活化出光和铬钝化，硝酸活化出光时的溶液主要由硝酸组成，溶液pH为1-2；铬钝化时的溶液主要由TB-300M、TB-300G和蒸馏水组成，溶液pH为1-2；在硝酸活化出光和铬钝化也进行水洗。其中，TB-300M中包括质量分数7％的氯化铬、88％的蒸馏水和5％的三氟化铬；TB-300G中包括质量分数5％的氧化硅和95％的蒸馏水。
步骤(4)中的纳米涂料中包括质量分数在3％以下的甲醇、质量分数在1％以下的三乙胺、质量分数在30％以下的氧化锌和质量分数在66％以上的蒸馏水。后处理包括烘干→水洗冷却→风冷却→牵引→切割，其中烘干包括一次烘干、二次烘干和三次烘干，一次烘干时的温度为120℃。二次烘干时的温度为300-350℃，三次烘干时的温度为200℃，水洗冷却温度为22-28℃。
本发明经酸性镀锌和碱性镀锌后的锌层厚度为8-15μm，钝化处理之后在锌层外形成一层铬层，纳米涂料为3-5μm包裹在最外层，该结构能够有效地在恶劣的环境中长期保持抗腐蚀性能，具有超高的耐腐蚀性能，表面耐久性也较强，质量更高。
本发明并不局限于前述的具体实施方式。本发明扩展到任何在本说明书中披露的新特征或任何新的组合，以及披露的任一新的方法或过程的步骤或任何新的组合。

Claims (10)

1.一种汽车用油管生产工艺，其特征在于，包括：
(1)将原料制成半成品的步骤；
(2)将半成品电解镀锌的步骤；
(3)钝化处理的步骤；
(4)喷涂纳米涂料并进行后处理的步骤。
2.根据权利要求1所述的汽车用油管生产工艺，其特征在于，步骤(1)包括原料接料→储料→单层成型→高频焊接→定径校圆度→冷拔→清洗→热处理→冷却→涡流探伤→本成品收卷。
3.根据权利要求1所述的汽车用油管生产工艺，其特征在于，步骤(2)包括碱洗→酸洗→酸性镀锌→用氢氧化钠溶液中和→碱性镀锌，且在碱洗、酸洗、酸性镀锌、中和和碱性镀锌之后均进行水洗。
4.根据权利要求3所述的汽车用油管生产工艺，其特征在于，步骤(2)中碱洗采用氢氧化钠溶液，溶液溶度在50-100g/L，温度在30-50℃之间，pH值在13-14之间，溶液波美度在16-18Be；酸洗采用浓硫酸，溶液溶度在50-100g/L之间，温度在25-35℃之间，pH值在1-2之间，溶液波美度在5-6Be。
5.根据权利要求3所述的汽车用油管生产工艺，其特征在于，酸性镀锌采用酸性硫酸盐溶液，该溶液中包括硫酸铝、氯化锌、硼酸、光泽剂103A、光泽剂103B、硫酸和锌块，溶液的pH在1-3之间，温度在40-55℃之间，溶液波美度在28-35Be。
6.根据权利要求3所述的汽车用油管生产工艺，其特征在于，碱性镀锌采用的溶液中包括氧化锌、珠碱、蒸馏水、光亮剂200B、走位剂200A、净化剂200C和锌块，溶液的pH在13，温度在25-40℃之间，溶液波美度在26-30Be。
7.根据权利要求1所述的汽车用油管生产工艺，其特征在于，步骤(3)依次包括硝酸活化出光和铬钝化，硝酸活化出光时的溶液主要由硝酸组成，溶液pH为1-2；铬钝化时的溶液主要由TB-300M、TB-300G和蒸馏水组成，溶液pH为1-2；在硝酸活化出光和铬钝化也进行水洗。
8.根据权利要求7所述的汽车用油管生产工艺，其特征在于，TB-300M中包括质量分数7％的氯化铬、88％的蒸馏水和5％的三氟化铬；TB-300G中包括质量分数5％的氧化硅和95％的蒸馏水。
9.根据权利要求1所述的汽车用油管生产工艺，其特征在于，步骤(4)中的纳米涂料中包括质量分数在3％以下的甲醇、质量分数在1％以下的三乙胺、质量分数在30％以下的氧化锌和质量分数在66％以上的蒸馏水。
10.根据权利要求1所述的汽车用油管生产工艺，其特征在于，步骤(4)中后处理包括烘干→水洗冷却→风冷却→牵引→切割，其中烘干包括一次烘干、二次烘干和三次烘干，一次烘干时的温度为120℃。二次烘干时的温度为300-350℃，三次烘干时的温度为200℃，水洗冷却温度为22-28℃。
CN201710093068.2A 2017-02-21 2017-02-21 汽车用油管生产工艺 Pending CN106868506A (zh)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107326362A (zh) * 2017-07-21 2017-11-07 珠海市玛斯特五金塑胶制品有限公司 一种油管电镀工艺及其专用治具
CN108193245A (zh) * 2018-02-02 2018-06-22 荆大（荆州）汽车配件股份有限公司 钢管复式镀锌生产工艺
CN109056016A (zh) * 2018-09-11 2018-12-21 乐清市正鑫金属件有限公司 电镀双层锌工艺
CN110923685A (zh) * 2019-12-10 2020-03-27 湖州织里宝丰铝业有限公司 一种铝合金型材表面钝化处理工艺

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19716375A1 (de) * 1997-04-18 1998-10-22 Alfred R Franz Fa Verfahren zur galvanischen Abscheidung von haftfesten, gegenüber Zug und Druck unempfindlichen, harten Zink-Schutzschichten mit relativ gleichmäßiger Zing-Verteilung auf Gegenständen aus Stahl und Metallegierungen
CN102134713A (zh) * 2011-03-04 2011-07-27 江苏大中制漆有限公司 一种无铬耐指纹水性涂料
CN104060310A (zh) * 2014-05-26 2014-09-24 安徽红桥金属制造有限公司 一种铸造件镀锌防白点腐蚀新工艺
CN204977652U (zh) * 2015-09-02 2016-01-20 常熟华冶薄板有限公司 兼具耐腐蚀和隔热功能的纳米陶瓷膜热镀锌钢板
CN106222714A (zh) * 2016-08-24 2016-12-14 宁波亚大金属表面处理有限公司 一种金属管的加工工艺

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19716375A1 (de) * 1997-04-18 1998-10-22 Alfred R Franz Fa Verfahren zur galvanischen Abscheidung von haftfesten, gegenüber Zug und Druck unempfindlichen, harten Zink-Schutzschichten mit relativ gleichmäßiger Zing-Verteilung auf Gegenständen aus Stahl und Metallegierungen
CN102134713A (zh) * 2011-03-04 2011-07-27 江苏大中制漆有限公司 一种无铬耐指纹水性涂料
CN104060310A (zh) * 2014-05-26 2014-09-24 安徽红桥金属制造有限公司 一种铸造件镀锌防白点腐蚀新工艺
CN204977652U (zh) * 2015-09-02 2016-01-20 常熟华冶薄板有限公司 兼具耐腐蚀和隔热功能的纳米陶瓷膜热镀锌钢板
CN106222714A (zh) * 2016-08-24 2016-12-14 宁波亚大金属表面处理有限公司 一种金属管的加工工艺

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
王吉坤等: "《铅锌冶炼生产技术手册》", 31 January 2012 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107326362A (zh) * 2017-07-21 2017-11-07 珠海市玛斯特五金塑胶制品有限公司 一种油管电镀工艺及其专用治具
CN108193245A (zh) * 2018-02-02 2018-06-22 荆大（荆州）汽车配件股份有限公司 钢管复式镀锌生产工艺
CN109056016A (zh) * 2018-09-11 2018-12-21 乐清市正鑫金属件有限公司 电镀双层锌工艺
CN110923685A (zh) * 2019-12-10 2020-03-27 湖州织里宝丰铝业有限公司 一种铝合金型材表面钝化处理工艺

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