CN109261470A - 一种用于汽车排气管消音器的表面处理方法 - Google Patents

一种用于汽车排气管消音器的表面处理方法 Download PDF

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Publication number
CN109261470A
CN109261470A CN201811300922.9A CN201811300922A CN109261470A CN 109261470 A CN109261470 A CN 109261470A CN 201811300922 A CN201811300922 A CN 201811300922A CN 109261470 A CN109261470 A CN 109261470A
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China
Prior art keywords
exhaust pipe
automobile exhaust
muffler
coating
pipe muffler
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Pending
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CN201811300922.9A
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English (en)
Inventor
杜云龙
尚玉阶
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Xuzhou Rui Tian Construction Machinery Co Ltd
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Xuzhou Rui Tian Construction Machinery Co Ltd
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Priority to CN201811300922.9A priority Critical patent/CN109261470A/zh
Publication of CN109261470A publication Critical patent/CN109261470A/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
    • 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
    • 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
    • B05D3/04—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 exposure to gases
    • B05D3/0406—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 exposure to gases the gas being air
    • 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

Abstract

本发明公开了一种用于汽车排气管消音器的表面处理方法，具体包括以下步骤：(1)对汽车排气管消音器表面进行清洁处理，包括：除锈、除油、干燥；(2)采用喷枪将涂料涂覆在汽车消音器的表面，确保涂覆的均匀性；(3)将汽车排气管消音器放入热处理设备进行热处理，处理温度为100‑120℃，处理时间为3‑4h；(4)自然冷却至室温。采用上述方案对汽车排气管消音器进行表面处理方法，涂料更均匀细腻，能有效提高涂料的涂覆质量，热处理后表面更稳定。

Description

一种用于汽车排气管消音器的表面处理方法
技术领域
本发明涉及一种用于汽车排气管消音器的表面处理方法，属于消音器领域。
背景技术
汽车排气管消音器的主要作用是减小排气噪声，是消除空气动力性噪声的重要装置。汽车正常运行时，可燃混合气燃烧的最高温度可达2000℃以上，排出的废气经过排气管和消音器，可使排气管和消音器表面温度达到300-400℃，在高负荷工况下，可达500-700℃，对汽车排气管和消音器表面的涂料耐高温性能要求较高。对汽车消音器的表面处理是为了提高消音器的使用寿命，目前，对汽车消音器的表面处理一般都采用电镀，对工件机械强度影响大。
发明内容
本发明为解决上述问题，提供了一种用于汽车排气管消音器的表面处理方法，具体包括如下步骤：
(1)对汽车排气管消音器表面进行清洁处理，包括：除锈、除油、干燥；
(2)采用喷枪将涂料涂覆在汽车消音器的表面，确保涂覆的均匀性；
(3)将汽车排气管消音器放入热处理设备进行热处理，处理温度为100-120℃，处理
时间为3-4h；
(4)自然冷却至室温。
进一步的，所述步骤(2)中，喷枪压力为0.3-0.4Mpa，喷涂时间20-30s。
本发明的有益效果是：采用上述方案对汽车排气管消音器进行表面处理方法，涂料更均匀细腻，能有效提高涂料的涂覆质量，热处理后表面更稳定。
具体实施方式
实施例1
一种用于汽车排气管消音器的表面处理方法，具体包括如下步骤：
(1)对汽车排气管消音器表面进行清洁处理，包括：除锈、除油、干燥；
(2)采用喷枪将涂料涂覆在汽车消音器的表面，确保涂覆的均匀性；
(3)将汽车排气管消音器放入热处理设备进行热处理，处理温度为100℃，处理时间为3h；
(4)自然冷却至室温。
进一步的，所述步骤(2)中，喷枪压力为0.3Mpa，喷涂时间20s。
实施例2
一种用于汽车排气管消音器的表面处理方法，具体包括如下步骤：
(1)对汽车排气管消音器表面进行清洁处理，包括：除锈、除油、干燥；
(2)采用喷枪将涂料涂覆在汽车消音器的表面，确保涂覆的均匀性；
(3)将汽车排气管消音器放入热处理设备进行热处理，处理温度为120℃，处理时间为4h；
(4)自然冷却至室温。
进一步的，所述步骤(2)中，喷枪压力为0.4Mpa，喷涂时间30s。
实施例3
一种用于汽车排气管消音器的表面处理方法，具体包括如下步骤：
(1)对汽车排气管消音器表面进行清洁处理，包括：除锈、除油、干燥；
(2)采用喷枪将涂料涂覆在汽车消音器的表面，确保涂覆的均匀性；
(3)将汽车排气管消音器放入热处理设备进行热处理，处理温度为110℃，处理时间为3.5h；
(4)自然冷却至室温。
进一步的，所述步骤(2)中，喷枪压力为0.4Mpa，喷涂时间25s。

Claims (2)

1.一种用于汽车排气管消音器的表面处理方法，其特征在于，具体包括如下步骤：(1)对汽车排气管消音器表面进行清洁处理，包括：除锈、除油、干燥；(2)采用喷枪将涂料涂覆在汽车消音器的表面，确保涂覆的均匀性；(3)将汽车排气管消音器放入热处理设备进行热处理，处理温度为100-120℃，处理时间为3-4h；(4)自然冷却至室温。
2.根据权利要求1所述的一种用于汽车排气管消音器的表面处理方法，其特征在于，步骤(2)中，喷枪压力为0.3-0.4Mpa，喷涂时间20-30s。
CN201811300922.9A 2018-11-02 2018-11-02 一种用于汽车排气管消音器的表面处理方法 Pending CN109261470A (zh)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55102464A (en) * 1979-01-29 1980-08-05 Honda Motor Co Ltd Coating pretreatment using atmosphere in heat treatment furnace
CN104831269A (zh) * 2015-04-13 2015-08-12 成都陵川特种工业有限责任公司 避免氢脆的汽车排气管消音器表面处理方法
CN104863683A (zh) * 2015-04-13 2015-08-26 成都陵川特种工业有限责任公司 避免汽车排气管消音器表面出现点腐蚀的防腐工艺
CN107828262A (zh) * 2017-11-14 2018-03-23 朱建海 一种耐磨防锈阀门把手及其真空热处理改性工艺

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55102464A (en) * 1979-01-29 1980-08-05 Honda Motor Co Ltd Coating pretreatment using atmosphere in heat treatment furnace
CN104831269A (zh) * 2015-04-13 2015-08-12 成都陵川特种工业有限责任公司 避免氢脆的汽车排气管消音器表面处理方法
CN104863683A (zh) * 2015-04-13 2015-08-26 成都陵川特种工业有限责任公司 避免汽车排气管消音器表面出现点腐蚀的防腐工艺
CN107828262A (zh) * 2017-11-14 2018-03-23 朱建海 一种耐磨防锈阀门把手及其真空热处理改性工艺

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Application publication date: 20190125