JP6682260B2 - 自動車用防錆鋼板の製造方法 - Google Patents
自動車用防錆鋼板の製造方法 Download PDFInfo
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- JP6682260B2 JP6682260B2 JP2015247671A JP2015247671A JP6682260B2 JP 6682260 B2 JP6682260 B2 JP 6682260B2 JP 2015247671 A JP2015247671 A JP 2015247671A JP 2015247671 A JP2015247671 A JP 2015247671A JP 6682260 B2 JP6682260 B2 JP 6682260B2
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- Prior art keywords
- plating
- steel sheet
- acid etching
- layer
- steel plate
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 229910000831 Steel Inorganic materials 0.000 title claims description 52
- 239000010959 steel Substances 0.000 title claims description 52
- 238000004519 manufacturing process Methods 0.000 title claims description 11
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 title description 4
- 238000007747 plating Methods 0.000 claims description 50
- 239000002253 acid Substances 0.000 claims description 34
- 238000005530 etching Methods 0.000 claims description 32
- 238000001035 drying Methods 0.000 claims description 16
- 239000007788 liquid Substances 0.000 claims description 6
- 238000005260 corrosion Methods 0.000 claims description 2
- 238000000576 coating method Methods 0.000 description 27
- 239000011248 coating agent Substances 0.000 description 25
- 238000000034 method Methods 0.000 description 8
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 238000005238 degreasing Methods 0.000 description 6
- 238000004070 electrodeposition Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000007547 defect Effects 0.000 description 3
- 238000005554 pickling Methods 0.000 description 3
- 230000003449 preventive effect Effects 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 2
- 239000010960 cold rolled steel Substances 0.000 description 2
- 238000009713 electroplating Methods 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000010422 painting Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910000640 Fe alloy Inorganic materials 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 208000033897 Systemic primary carnitine deficiency Diseases 0.000 description 1
- 229910007567 Zn-Ni Inorganic materials 0.000 description 1
- 229910007614 Zn—Ni Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 208000016505 systemic primary carnitine deficiency disease Diseases 0.000 description 1
Images
Landscapes
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
- ing And Chemical Polishing (AREA)
- Electroplating Methods And Accessories (AREA)
Description
11 …凹部
12 …異物
20 …めっき層
30 …塗装膜
31 …電着塗装膜
32 …中塗膜
33 …上塗膜
41 …塗装ハジキ
Claims (1)
- 自動車用防錆鋼板の製造方法であって、
表面にZn層が存在するZnめっき鋼板の加工後に前記Znめっき鋼板表面に存在するZn層を除去する酸エッチング工程、後めっき工程および乾燥工程をこの順に有しており、
前記酸エッチング工程において、酸エッチング浴の液温を35℃以下とし、
前記後めっき工程において、めっき層の厚みが5〜50μmの範囲内となるようにめっきを行い、
前記乾燥工程において、乾燥温度を180℃以下とすることを特徴とする、
防錆鋼板の製造方法。
Priority Applications (1)
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JP2015247671A JP6682260B2 (ja) | 2015-12-18 | 2015-12-18 | 自動車用防錆鋼板の製造方法 |
Applications Claiming Priority (1)
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JP2015247671A JP6682260B2 (ja) | 2015-12-18 | 2015-12-18 | 自動車用防錆鋼板の製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2017110281A JP2017110281A (ja) | 2017-06-22 |
JP6682260B2 true JP6682260B2 (ja) | 2020-04-15 |
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JP2015247671A Active JP6682260B2 (ja) | 2015-12-18 | 2015-12-18 | 自動車用防錆鋼板の製造方法 |
Country Status (1)
Country | Link |
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JP (1) | JP6682260B2 (ja) |
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2015
- 2015-12-18 JP JP2015247671A patent/JP6682260B2/ja active Active
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Publication number | Publication date |
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JP2017110281A (ja) | 2017-06-22 |
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