CN107899925A - 汽车车门的涂装工艺 - Google Patents

汽车车门的涂装工艺 Download PDF

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Publication number
CN107899925A
CN107899925A CN201711289184.8A CN201711289184A CN107899925A CN 107899925 A CN107899925 A CN 107899925A CN 201711289184 A CN201711289184 A CN 201711289184A CN 107899925 A CN107899925 A CN 107899925A
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China
Prior art keywords
arrangements
coating
automotive doors
coating process
automobile component
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CN201711289184.8A
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English (en)
Inventor
付诚成
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Jingzhou Yun Cheng Auto Parts Co Ltd
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Jingzhou Yun Cheng Auto Parts Co Ltd
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Priority to CN201711289184.8A priority Critical patent/CN107899925A/zh
Publication of CN107899925A publication Critical patent/CN107899925A/zh
Pending legal-status Critical Current

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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
    • 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
    • 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
    • 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
    • B05D5/10—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain an adhesive surface
    • 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
    • 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
    • B05D7/532—Base coat plus clear coat type the two layers being cured or baked together, i.e. wet on wet

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

Abstract

本发明公开了一种汽车车门的涂装工艺，包括：步骤一：在汽车车门基材层上进行底漆前处理；步骤二：对所述汽车车门进行静电粉末喷涂，所述涂料为彩色油漆；步骤三：在所述涂料上层涂布透明涂料层；步骤四：对所述汽车车门表面镀铜；步骤五：进行固化和抛光；其中，所述固化工序中的温度为190～210℃，固化时间为0.5～1h。本发明得到的汽车部件的涂装工艺，改变了现有技术中的关于汽车部件涂装的方法，简化了生产步骤，节约了成本和时间。通过镀铜处理，增强了涂料与铝合金的附着力。另外由于有色涂料组合物自有的特性，则使得汽车部件能够防尘、防腐；同时此涂装方法对于溶剂的合理布局也在一定程度上节约了成本。

Description

汽车车门的涂装工艺
技术领域
本发明涉及汽车内装饰生产领域，特别涉及一种汽车车门的涂装工艺。
背景技术
涂装是汽车车门生产的最后一道工序，其目的是提高汽车车门的耐腐蚀性和美感。铝合金轮毂在经过机加工等关键工序完成后，考虑到铝合金轮毂在实际使用中条件比较差，为了减少铝合金在空气中氧化等影响因素以及达到美观的目的，所以对涂装后的涂层性能有较高的要求。
目前，在对汽车车门的涂装中，其涂装方法往往较为复杂，步骤繁琐，耗费较大的人力物力。另外当在前处理中钝化效果不好时，就会导致在喷涂时需要提供大量的供粉量才能保证喷涂完整和均匀，造成浪费。针对上述问题，本领域技术人员亟需提供一种汽车车门的涂装工艺。
发明内容
为解决上述问题，本发明提供了一种汽车车门的涂装工艺，包括：
步骤一：在汽车车门基材层进行表面粗糙处理，使得其表面粗糙不平；
步骤二：对所述汽车车门进行静电粉末喷涂，所述涂料为彩色油漆；
步骤三：在所述涂料上层涂布透明涂料层；
步骤四：对所述汽车车门表面镀铜；
步骤五：进行烘干、固化和抛光。
优选的是，所述烘干是在70℃中执行5-60分钟。
优选的是，所述静电粉末喷涂的喷涂压力为0.3MPa，静电电压为34KV，喷涂时间为6s。
优选的是，所述烘干是在80℃中执行5-60分钟。
优选的是，所述烘干是在90℃中执行5-60分钟。
本发明至少包括以下有益效果：本发明得到的汽车部件的涂装工艺，改变了现有技术中的关于汽车部件涂装的方法，简化了生产步骤，节约了成本和时间。通过镀铜处理，增强了涂料与铝合金的附着力。另外由于有色涂料组合物自有的特性，则使得汽车部件能够防尘、防腐；同时此涂装方法对于溶剂的合理布局也在一定程度上节约了成本。
具体实施方式
本发明提供一种汽车车门的涂装工艺，包括：
步骤一：在汽车车门基材层进行表面粗糙处理，使得其表面粗糙不平；
步骤二：对所述汽车车门进行静电粉末喷涂，所述涂料为彩色油漆；
步骤三：在所述涂料上层涂布透明涂料层；
步骤四：对所述汽车车门表面镀铜；
步骤五：进行烘干、固化和抛光。
所述烘干是在70℃中执行5-60分钟。
所述静电粉末喷涂的喷涂压力为0.3MPa，静电电压为34KV，喷涂时间为6s。
所述烘干是在80℃中执行5-60分钟。
所述烘干是在90℃中执行5-60分钟。
尽管本发明的实施方案已公开如上，但其并不仅仅限于说明书和实施方式中所列运用，它完全可以被适用于各种适合本发明的领域，对于熟悉本领域的人员而言，可容易地实现另外的修改，因此在不背离权利要求及等同范围所限定的一般概念下，本发明并不限于特定的细节和这里示出与描述的实施例。

Claims (5)

1.一种汽车车门的涂装工艺，其特征在于，包括：
步骤一：在汽车车门基材层进行表面粗糙处理，使得其表面粗糙不平；
步骤二：对所述汽车车门进行静电粉末喷涂，所述涂料为彩色油漆；
步骤三：在所述涂料上层涂布透明涂料层；
步骤四：对所述汽车车门表面镀铜；
步骤五：进行烘干、固化和抛光。
2.如权利要求1所述的汽车车门的涂装工艺，其特征在于，所述烘干是在70℃中执行5-60分钟。
3.如权利要求1所述的汽车车门的涂装工艺，其特征在于，所述静电粉末喷涂的喷涂压力为0.3MPa，静电电压为34KV，喷涂时间为6s。
4.如权利要求2所述的汽车车门的涂装工艺，其特征在于，所述烘干是在80℃中执行5-60分钟。
5.如权利要求2所述的汽车车门的涂装工艺，其特征在于，所述烘干是在90℃中执行5-60分钟。
CN201711289184.8A 2017-12-07 2017-12-07 汽车车门的涂装工艺 Pending CN107899925A (zh)

Priority Applications (1)

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CN201711289184.8A CN107899925A (zh) 2017-12-07 2017-12-07 汽车车门的涂装工艺

Applications Claiming Priority (1)

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CN201711289184.8A CN107899925A (zh) 2017-12-07 2017-12-07 汽车车门的涂装工艺

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CN107899925A true CN107899925A (zh) 2018-04-13

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Application publication date: 20180413