CN107377338A - 一种铝合金轮毂表面处理工艺 - Google Patents

一种铝合金轮毂表面处理工艺 Download PDF

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CN107377338A
CN107377338A CN201710482437.7A CN201710482437A CN107377338A CN 107377338 A CN107377338 A CN 107377338A CN 201710482437 A CN201710482437 A CN 201710482437A CN 107377338 A CN107377338 A CN 107377338A
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spraying
aluminum alloy
alloy hub
sand
polishing
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Inventor
刘国华
陈晓鹏
陈广才
王乐
赵群
李宠
鲍磊
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CITIC Dicastal Co Ltd
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CITIC Dicastal Co Ltd
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Priority to CN201710482437.7A priority Critical patent/CN107377338A/zh
Priority to US15/673,775 priority patent/US10160007B1/en
Publication of CN107377338A publication Critical patent/CN107377338A/zh
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D1/00—Processes for applying liquids or other fluent materials
    • B05D1/02—Processes for applying liquids or other fluent materials performed by spraying
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/002—Pretreatement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
    • B05D5/06—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain multicolour or other optical effects
    • B05D5/067—Metallic effect
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
    • B05D5/06—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain multicolour or other optical effects
    • B05D5/067—Metallic effect
    • B05D5/068—Metallic effect achieved by multilayers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2202/00—Metallic substrate
    • B05D2202/20—Metallic substrate based on light metals
    • B05D2202/25—Metallic substrate based on light metals based on Al
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2502/00—Acrylic polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
    • B05D3/0254—After-treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/12—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by mechanical means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/50—Multilayers
    • B05D7/52—Two layers
    • B05D7/53—Base coat plus clear coat type
    • B05D7/534—Base coat plus clear coat type the first layer being let to dry at least partially before applying the second layer

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Electroplating Methods And Accessories (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

本发明公开了一种铝合金轮毂表面处理工艺，具体的工艺流程：铝合金轮毂毛坯→开砂→抛光→预处理→喷涂电镀银漆→闪干→透明漆→固化下线。该工艺不仅具备电镀产品的镜面效果，而且具有工艺简单、成本低、无重金属污染等诸多优点。

Description

一种铝合金轮毂表面处理工艺
技术领域
本发明涉及涂装工艺，具体地说是一种铝合金仿电镀工艺。
背景技术
铝合金电镀轮毂由于具备较高亮度、金属光泽受到广大汽车消费者的喜爱，但却存在电镀工艺复杂以及电镀生产过程对环境影响较大的弊端。随着环境保护要求的日益提高，需要研发一种具有电镀银效果、环保的车轮表面处理工艺。
发明内容
本专利提供了一种对环境无危害、具有高光泽和金属质感的铝车轮表面处理工艺。
一种铝合金轮毂表面处理工艺，在抛光金属铝合金基体上喷涂一层2-5μm的电镀银色漆，来实现金属电镀的效果。
本发明的工艺为：铝合金轮毂毛坯→开砂→抛光→预处理→喷涂电镀银→闪干→喷涂透明漆→固化。
开砂依次采用400#、800#、1000#砂纸依次打磨金属基体，保证正面粗糙度RA控制在0.20-0.23μm。
抛光采用手工抛光机配合抛光膏进行抛光打磨，需要保证粗糙度RA控制在0.16-0.17μm。
喷涂电镀银时使用空气枪喷涂，其施工参数为：14-15″（Din-4），吐漆量80-150CC，雾化压力2.0-3.5bar，扇形压力2.0-3.5bar，枪距180-250mm，色漆的固化条件为：工件温度150℃保持10-15分钟。所述电镀银产品，为丙烯酸系列油漆。
喷涂透明漆时使用空气枪喷涂，其施工参数为：施工粘度：20-21″（Din-4杯），吐漆量80-150CC，雾化压力2.5-3.5bar，扇形压力2.5-3.5bar，枪距180-250mm。透明漆的固化条件为：工件温度150℃保持10-15分钟。所述透明漆为丙烯酸系列高亮透明漆。
该工艺与传统电镀工艺相比，将污染环境、成本高的电镀工序更换为喷涂一层色漆，不仅减少了对环境的影响，也同时节约了成本，提高了生产效率。
具体实施方式
实施例1：一种铝合金轮毂表面处理工艺，工艺为：铝合金轮毂毛坯→开砂→抛光→预处理→喷涂电镀银→闪干→喷涂透明漆→固化。
开砂依次采用400#、800#、1000#砂纸依次打磨金属基体，保证正面粗糙度RA：0.20μm。
抛光采用手工抛光机配合抛光膏进行抛光打磨，需要保证粗糙度RA： 0.16μm。
喷涂电镀银工序的施工参数为： 15″（Din-4），采用吐漆量100CC，雾化压力3.0bar，扇形压力2.5bar，枪距200mm；闪干时间：15min。
喷涂透明漆的施工参数为：施工粘度：20″（Din-4杯），吐漆量150CC，雾化压力2.8bar，扇形压力3.0bar，枪距200mm。
固化条件为：工件温度150℃保持13min。
实施例2：一种铝合金轮毂表面处理工艺，工艺为：铝合金轮毂毛坯→开砂→抛光→预处理→喷涂电镀银→闪干→喷涂透明漆→固化。
开砂依次采用400#、800#、1000#砂纸依次打磨金属基体，保证正面粗糙度RA：0.21μm。
抛光采用手工抛光机配合抛光膏进行抛光打磨，需要保证粗糙度RA： 0.17μm。
喷涂电镀银工序的施工参数为： 15″（Din-4），采用吐漆量90CC，雾化压力2.8bar，扇形压力2.5bar，枪距200mm，闪干时间：15min。
喷涂透明漆的施工参数为：施工粘度：20″（Din-4杯），吐漆量150CC，雾化压力2.5bar，扇形压力2.8bar，枪距200mm。
固化条件为：工件温度150℃保持13min。
实施例3：一种铝合金轮毂表面处理工艺，工艺为：铝合金轮毂毛坯→开砂→抛光→预处理→喷涂电镀银→闪干→喷涂透明漆→固化。
开砂依次采用400#、800#、1000#砂纸依次打磨金属基体，保证正面粗糙度RA：0.21μm。
抛光采用手工抛光机配合抛光膏进行抛光打磨，需要保证粗糙度RA： 0.16μm。
喷涂电镀银工序的施工参数为： 15″（Din-4），采用吐漆量120CC，雾化压力3.0bar，扇形压力3.0bar，枪距200mm；闪干时间：15min。
喷涂透明漆的施工参数为：施工粘度：20″（Din-4杯），吐漆量160CC，雾化压力3.0bar，扇形压力3.2bar，枪距200mm。

Claims (1)

1.一种铝合金轮毂表面处理工艺，包括开砂→抛光→预处理→喷涂电镀银→闪干→喷涂透明漆→固化工序，其特征在于：所述开砂采用的砂纸依次为400#、800#、1000#规格，开砂后铝合金轮毂表面粗糙度控制在0.20-0.23μm；所述抛光工序采用手工方式抛光，粗糙度RA控制在0.16-0.17μm；喷涂电镀银时使用空气枪喷涂，其施工参数为：14-15″（Din-4），吐漆量80-150CC，雾化压力2.0-3.5bar，扇形压力2.0-3.5bar，枪距180-250mm，色漆的固化条件为：工件温度150℃保持10-15分钟； 喷涂透明漆时使用空气枪喷涂，其施工参数为：施工粘度：20-21″（Din-4杯），吐漆量80-150CC，雾化压力2.5-3.5bar，扇形压力2.5-3.5bar，枪距180-250mm；透明漆的固化条件为：工件温度150℃保持10-15分钟。
CN201710482437.7A 2017-06-22 2017-06-22 一种铝合金轮毂表面处理工艺 Pending CN107377338A (zh)

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US15/673,775 US10160007B1 (en) 2017-06-22 2017-08-10 Aluminum alloy hub surface treatment process

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108381301A (zh) * 2018-03-27 2018-08-10 大亚车轮制造有限公司 一种全拉丝铝合金车轮的制作方法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111496581A (zh) * 2020-05-09 2020-08-07 安徽拓普勒汽车科技有限公司 一种铝合金轮毂表面处理方法
CN114713478B (zh) * 2022-04-24 2023-07-25 保定市立中车轮制造有限公司 一种高亮银车轮水性化涂装工艺

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108381301A (zh) * 2018-03-27 2018-08-10 大亚车轮制造有限公司 一种全拉丝铝合金车轮的制作方法

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Application publication date: 20171124