JPS6473080A - Jig for surface treatment of piston for internal combustion engine - Google Patents

Jig for surface treatment of piston for internal combustion engine

Info

Publication number
JPS6473080A
JPS6473080A JP22778987A JP22778987A JPS6473080A JP S6473080 A JPS6473080 A JP S6473080A JP 22778987 A JP22778987 A JP 22778987A JP 22778987 A JP22778987 A JP 22778987A JP S6473080 A JPS6473080 A JP S6473080A
Authority
JP
Japan
Prior art keywords
piston
masking jig
jig
masking
plating
Prior art date
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.)
Pending
Application number
JP22778987A
Other languages
Japanese (ja)
Inventor
Atsushi Amataka
Kazumitsu Kushida
Koji Nakajima
Hitoshi Yamamoto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Honda Motor Co Ltd
Original Assignee
Honda Motor Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Honda Motor Co Ltd filed Critical Honda Motor Co Ltd
Priority to JP22778987A priority Critical patent/JPS6473080A/en
Publication of JPS6473080A publication Critical patent/JPS6473080A/en
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/02—Electroplating of selected surface areas
    • C25D5/022—Electroplating of selected surface areas using masking means
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D17/00—Constructional parts, or assemblies thereof, of cells for electrolytic coating
    • C25D17/06—Suspending or supporting devices for articles to be coated
    • C25D17/08—Supporting racks, i.e. not for suspending

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemically Coating (AREA)
  • Electroplating Methods And Accessories (AREA)

Abstract

PURPOSE:To execute the surface treatments of the top and side faces of an Al alloy piston of an internal combustion engine with high accuracy and excellent workability by using specific masking jigs at the time of preventing the surface roughening of the above-mentioned piston by subjecting the top thereof to Ni plating and the side faces thereof to Sn plating. CONSTITUTION:The parts except the top 31 and tapered part 33 of the Al alloy piston 30 are covered with the cylindrical 1st masking jig 60 made of rubber and thereafter, the piston is immersed in an electroless Ni plating liquid to form an Ni plating layer 41 thereof. After this 1st masking jig 60 is removed, the bottomed cylindrical 2nd masking jig 70 made of rubber is mounted to the Ni plating layer 41 side and the cylindrical 3rd masking jig 80 made of rubber covering the skirt part 32 except the part of a top ring groove 34 is mounted thereto. This piston is then immersed in a 35% sulfuric acid bath to form an anodized film 42. The masking jigs 70, 80 are then removed and the 4th masking jig 90 is put on the piston from the top 31 and after an Sn plating layer 43 is formed to the skirt part 32, the masking jig 90 is removed.
JP22778987A 1987-09-11 1987-09-11 Jig for surface treatment of piston for internal combustion engine Pending JPS6473080A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP22778987A JPS6473080A (en) 1987-09-11 1987-09-11 Jig for surface treatment of piston for internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP22778987A JPS6473080A (en) 1987-09-11 1987-09-11 Jig for surface treatment of piston for internal combustion engine

Publications (1)

Publication Number Publication Date
JPS6473080A true JPS6473080A (en) 1989-03-17

Family

ID=16866408

Family Applications (1)

Application Number Title Priority Date Filing Date
JP22778987A Pending JPS6473080A (en) 1987-09-11 1987-09-11 Jig for surface treatment of piston for internal combustion engine

Country Status (1)

Country Link
JP (1) JPS6473080A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001323382A (en) * 2000-05-11 2001-11-22 Honda Kinzoku Gijutsu Kk Piston masking method
WO2010020235A2 (en) * 2008-08-19 2010-02-25 Mahle International Gmbh Coating mask for electrolytically coating a peripheral region on an outer surface of a cylindrical body
JP2012126978A (en) * 2010-12-16 2012-07-05 Seiko Instruments Inc Part, timepiece, and method for manufacturing part
WO2013025352A1 (en) * 2011-08-18 2013-02-21 Apple Inc. Anodization and plating surface treatments
US9683305B2 (en) 2011-12-20 2017-06-20 Apple Inc. Metal surface and process for treating a metal surface

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001323382A (en) * 2000-05-11 2001-11-22 Honda Kinzoku Gijutsu Kk Piston masking method
WO2010020235A2 (en) * 2008-08-19 2010-02-25 Mahle International Gmbh Coating mask for electrolytically coating a peripheral region on an outer surface of a cylindrical body
WO2010020235A3 (en) * 2008-08-19 2010-06-10 Mahle International Gmbh Coating mask for electrolytically coating a peripheral region on an outer surface of a cylindrical body
JP2012126978A (en) * 2010-12-16 2012-07-05 Seiko Instruments Inc Part, timepiece, and method for manufacturing part
WO2013025352A1 (en) * 2011-08-18 2013-02-21 Apple Inc. Anodization and plating surface treatments
JP2014521842A (en) * 2011-08-18 2014-08-28 アップル インコーポレイテッド Anodizing and plating surface treatment
US9663869B2 (en) 2011-08-18 2017-05-30 Apple Inc. Anodization and plating surface treatments
US9683305B2 (en) 2011-12-20 2017-06-20 Apple Inc. Metal surface and process for treating a metal surface

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