WO2003064730A1 - Procede de production de joint de grille par electroformage - Google Patents

Procede de production de joint de grille par electroformage Download PDF

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Publication number
WO2003064730A1
WO2003064730A1 PCT/JP2003/000327 JP0300327W WO03064730A1 WO 2003064730 A1 WO2003064730 A1 WO 2003064730A1 JP 0300327 W JP0300327 W JP 0300327W WO 03064730 A1 WO03064730 A1 WO 03064730A1
Authority
WO
WIPO (PCT)
Prior art keywords
layer
electroless
electrodeposited
electrodeposition
nickel
Prior art date
Application number
PCT/JP2003/000327
Other languages
English (en)
Japanese (ja)
Inventor
Yoshio Oginaka
Fujio Shoji
Original Assignee
Sherukogyo Kabushiki Kaisha
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 Sherukogyo Kabushiki Kaisha filed Critical Sherukogyo Kabushiki Kaisha
Priority to KR1020047011582A priority Critical patent/KR100769931B1/ko
Publication of WO2003064730A1 publication Critical patent/WO2003064730A1/fr

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D1/00—Electroforming
    • C25D1/02—Tubes; Rings; Hollow bodies

Definitions

  • the present invention relates to a method of manufacturing a gate push by electroforming. More specifically, the present invention employs electroforming which is excellent in corrosion resistance and transfer accuracy, and dramatically increases the hardness of the inner surface of a molded product.
  • the present invention relates to a method of manufacturing a gate push, which enables a gate bush having excellent wear properties to be manufactured at extremely low cost. Background art
  • gate bushes used for plastic molding have been manufactured by various manufacturing methods.
  • gate bushes manufactured by electric machining, electric discharge machining and the like are known.
  • plastic products such as digital cameras are mixed with glass fibers in resin materials in order to increase the strength of the products.
  • Gate bushings manufactured by electrical discharge machining are widely known.
  • the manufacturing method using electric discharge machining, etc. differs from electrode machining in that the polishing work is performed over the inside of the molded product, so it is difficult to complete the polishing work, and it is extremely difficult to perform highly accurate mirror finishing. At the same time, the efficiency of the polishing operation was extremely poor.
  • alloy steel has poor corrosion resistance, and mackerel is easily generated depending on the storage condition, so that maintenance is complicated and management cost is increased.
  • it is difficult to produce a specially shaped molded product by electric discharge machining or the like, and there is also a problem that it cannot cope with various variations of the gate bush.
  • the limit value is about 55 to 62 HRC of Rockwell hardness. Disclosure of the invention
  • the present invention has been made in view of the above problems, and has a purpose Manufactures gate bushings with excellent surface roughness and high corrosion resistance due to excellent transfer accuracy, while making the most of the inherent features of nickel alloy electroforming, dramatically increasing hardness, and also offering excellent wear resistance. It provides a way to:
  • a first electrodeposition layer made of a nickel alloy layer is electrodeposited on a surface of a matrix electrode having the same outer shape as an inner surface of a molded product;
  • a second electroless layer consisting of an electroless nickel-phosphorus alloy layer is deposited from the surface, and
  • a third electrodeposition layer consisting of a nickel alloy layer is electrodeposited from the surface of the second electroless nickel-phosphorus alloy layer.
  • the first electrodeposition comprising a nickel alloy layer having a thickness of 1 to 2 ⁇ m is formed on the surface of a matrix electrode having the same outer shape as the inner shape of the molded product. Electrodepositing a layer, and then depositing a second electroless layer made of an electroless nickel-phosphorus alloy layer having a thickness of 10 to 100 / am from the surface of the first electrodeposited layer.
  • a third electrodeposition layer made of a nickel alloy layer having a predetermined thickness corresponding to the thickness of the molded article is electrodeposited from the surface of the second electroless layer, and each layer from the first electrodeposition layer to the third electrodeposition layer Is characterized in that it comprises a step of releasing the master electrode from the electrodeposited / precipitated molded product, quenching, and processing into a predetermined shape and dimension (claim 2).
  • a first electrodeposition layer made of a nickel alloy layer is electrodeposited on the surface of a matrix electrode having the same outer shape as the inner surface of the molded product.
  • a layer consisting of an electroless nickel-phosphorus alloy layer from the layer surface Two electroless layers are deposited, and then the first electrodeposited layer and the second electroless layer are electrodeposited and deposited, and the matrix electrode body is quenched. After the electrodeposition of the third electrodeposition layer, each layer is released from the matrix electrode and processed into a predetermined shape and size.
  • a first electrodeposition layer made of a nickel alloy layer having a thickness of 1 to 2 ⁇ m is provided on the surface of a matrix electrode having the same outer shape as the inner surface of the molded product. Electrodepositing, and then depositing a second electroless layer of an electroless nickel-phosphorous alloy layer having a thickness of 10 to 100 / m from the surface of the first electrodeposited layer.
  • the mother electrode body in which the adhesion layer and the second electroless layer are electrodeposited and deposited is quenched, and the quenched mother electrode body is formed from a nickel alloy layer having a predetermined thickness corresponding to the thickness of the molded article.
  • each layer is released from the matrix electrode and processed into a predetermined shape and size (claim 4).
  • the electroless nickel-phosphorus alloy layer on the inner surface of the molded product formed after the mold release achieves a rock hardness of about 63 to 80 HRC through a quenching step. It does not wear even if the reinforced resin mixed with glass fiber etc. passes when it is extruded into the mold, making it possible to manufacture gate bushes with high wear resistance by electroforming. Becomes
  • the quenching step is performed after depositing a second electroless layer made of an electroless nickel-phosphorus alloy layer, that is, after the third electrodeposition. Performing before the electrodeposition of the layer, the electroless nickel-phosphorus alloy layer Thus, the hardness of the inner surface of the molded article formed can be further increased.
  • the gate push manufacturing method of the present invention since the inner surface of the molded product formed by the electroless nickel-phosphorus alloy layer is extremely excellent in hardness, the case where the reinforced resin material mixed with glass fiber or the like passes therethrough may be used. It does not wear, and a gate push with high wear resistance can be manufactured by electroforming.
  • the first electrodeposition layer made of the nickel alloy layer it is possible to easily release the master electrode from the molded article having each layer, and to form the second electrodeposition layer made of the electroless nickel-phosphorus alloy layer. Since the electroless layer and the electroless layer are made of the same type of material, they have strong adhesion. BRIEF DESCRIPTION OF THE FIGURES
  • FIG. 1 is a diagram showing a state in which a first electrodeposition layer is electrodeposited on a master electrode in the manufacturing method of the present invention
  • FIG. FIG. 3 is a view showing a state in which one electrodeposition layer and a second electroless layer are electrodeposited and deposited.
  • FIG. 3 is a view showing a first electrodeposition layer and a second electrodeposition layer on a matrix electrode in the manufacturing method of the present invention.
  • FIG. 4 is a view showing a state in which an electrolytic layer and a third electrodeposition layer are electrodeposited and deposited
  • FIG. 4 is a view showing a state in which a molded article is released from a master electrode
  • FIG. FIG. 3 is a diagram showing a state in which an article is processed into a predetermined shape and size.
  • FIG. 6 is a flowchart showing the steps of the manufacturing method described in Claims 1 and 2 of the present invention.
  • FIG. 7 is Claims 3 and 4 of the present invention. 7 is a flowchart showing steps of a manufacturing method described in claim 4.
  • the master electrode X is one whose surface layer has been subjected to mirror polishing.
  • the polishing treatment is performed on the outer surface of the electrode, unlike the work inside the molded product such as electric discharge machining, the mirror finish can be extremely high.
  • EDM can be used for any special shape.Eg, it is easy to manufacture gate bushes made of long rods. .
  • the method for manufacturing a gate bush of the present invention is performed in the following steps.
  • the master electrode X which has been subjected to mirror treatment and pre-treated, is placed in a nickel cobalt cobalt sulfamate bath, and a nickel alloy layer is applied as a first electrodeposition layer 1 on the surface of the master electrode. To wear.
  • a known electroforming device is used. Specifically, a metal such as a nickel electrode connected to the master electrode connected to the cathode and a nickel electrode connected to the anode is used. It is placed in a bath tub and a direct current flows between the cathode and anode.
  • the first electrodeposition layer 1 made of such a nickel alloy layer is a thin film layer for releasing the master electrode X from a molded product in a final step, for example, as described in Claim 2. It can exhibit its function with a thickness of about 1 to 2 microns.
  • the resin material is extruded by fitting into a mold using the gate bush manufactured according to the present invention, even if the first electrodeposition layer 1 is peeled off, the first electrodeposition layer is removed. Since 1 is formed of an extremely thin film as described above, the shape of the inner surface of the gate bush does not substantially change.
  • the master electrode was taken out of the nickel-cobalt nickel sulfamate bath.
  • the master electrode X on which the first electrodeposition layer 1 is electrodeposited is placed in an electroless nickel-phosphorus bath.
  • a second electroless layer 2 made of an electroless nickel-phosphorus alloy layer is deposited from the surface of the first electrodeposition layer 1.
  • the second electroless layer 2 can exhibit its function by a thickness of about 10 to 100 microns, for example, as described in claim 2.
  • a step of electrodepositing the electroless nickel-phosphorus alloy layer directly on the master electrode is employed, the electroless nickel-phosphorus alloy layer and the master electrode cannot be released from the mold.
  • a nickel alloy layer as the first electrodeposition layer 1 is electrodeposited as a release layer.
  • the master electrode X is taken out of the electroless nickel-phosphorus bath, and the master electrode on which the second electroless layer 2 made of an electroless nickel-phosphorus alloy layer is deposited from the surface of the first electrodeposition layer 1 X is placed in the nickel-cobalt nickel sulfamate bath again, and the third electrodeposition layer 3 made of a nickel alloy layer is electrodeposited.
  • the nickel alloy layer as the third electrodeposition layer 3 is one in which a layer corresponding to a predetermined thickness of the molded article is electrodeposited.
  • the master electrode X is formed of the first electrodeposition layer 1 made of a nickel alloy layer, the second electroless layer 2 made of an electroless nickel-phosphorus alloy layer, and the nickel electrode layer.
  • a third electrodeposition layer 3 is electrodeposited and deposited, and thereafter, the matrix electrode is released from the molded product, quenched, and then processed into a predetermined shape and size (claims 1 and 2). Range 2).
  • the master electrode X body is quenched, After electrodeposition of the third electrodeposition layer 3 made of a nickel alloy layer on the quenched master electrode X main body, each layer (1 to 3) is released from the master electrode X to a predetermined shape and size. (Claims 3 and 4).
  • the second electroless layer 2 made of an electroless nickel-phosphorus alloy layer can dramatically increase the hardness compared to the conventional gate push by electroforming with a nickel alloy, When the hardness was measured, a Rockwell hardness of about 63 to 80 HRC was realized.
  • the gate bush is such that the resin material passes through the inner surface during use
  • the outer layer of the gate bush that is, the third electrodeposition layer 3 in the manufacturing method of the present invention is realized by a conventional nickel alloy layer. Even if the hardness is the same, no problem arises.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Chemically Coating (AREA)
  • Electroplating Methods And Accessories (AREA)

Abstract

L'invention concerne un procédé de fabrication d'un joint de grille présentant une excellente rugosité de surface résultant d'une excellente précision de transfert, une résistance élevée à la corrosion, des avantages provenant de l'électroformage d'un alliage en nickel, une dureté considérablement améliorée, et une excellente résistance à l'usure. Le procédé de fabrication du joint de grille par électroformage est caractérisé en ce qu'il comprend les étapes consistant à électrodéposer une première couche électrodéposée constituée d'un alliage de nickel sur la surface d'une électrode matricielle présentant la même forme extérieure que la forme intérieure d'une forme, à déposer une seconde couche auto-catalytique d'une couche d'alliage nickel-phosphore auto-catalytique sur la surface de la première couche électrodéposée, à électrodéposer une troisième couche électrodéposée d'un alliage de nickel sur la surface de la seconde couche d'alliage nickel-phosphore auto-catalytique, à séparer l'électrode matricielle de la forme présentant la première couche électrodéposée/déposée jusqu'à la troisième, à tremper la forme et à l'usiner en une forme prédéterminée et à des dimensions prédéterminées.
PCT/JP2003/000327 2002-01-28 2003-01-17 Procede de production de joint de grille par electroformage WO2003064730A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020047011582A KR100769931B1 (ko) 2002-01-28 2003-01-17 전기 주형법에 의한 게이트 부시 제조방법

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2002/17812 2002-01-28
JP2002017812A JP3650795B2 (ja) 2002-01-28 2002-01-28 電鋳加工によるゲートブッシュ製造方法

Publications (1)

Publication Number Publication Date
WO2003064730A1 true WO2003064730A1 (fr) 2003-08-07

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2003/000327 WO2003064730A1 (fr) 2002-01-28 2003-01-17 Procede de production de joint de grille par electroformage

Country Status (5)

Country Link
JP (1) JP3650795B2 (fr)
KR (1) KR100769931B1 (fr)
CN (1) CN100374625C (fr)
TW (1) TWI265215B (fr)
WO (1) WO2003064730A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4833682B2 (ja) * 2006-02-17 2011-12-07 東京特殊電線株式会社 横照射型レーザーチップの製造方法および横照射型レーザーチップ

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3000288U (ja) * 1994-01-19 1994-08-02 株式会社イオン工学研究所 クロム電解析出を応用した電鋳製品
JP2000309894A (ja) * 1999-04-23 2000-11-07 Koshin Giken Kk 電鋳方法およびその装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6128788A (ja) * 1984-07-20 1986-02-08 Hitachi Ltd 水栓直結形機器
CN1037367A (zh) * 1988-05-04 1989-11-22 *** 有色金属空心制品内电镀成型法
JPH03288U (fr) * 1990-01-05 1991-01-07
US5489057A (en) * 1993-10-01 1996-02-06 Avery Dennison Corporation Fabrication of needles useful in the dispensing of plastic fasteners

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3000288U (ja) * 1994-01-19 1994-08-02 株式会社イオン工学研究所 クロム電解析出を応用した電鋳製品
JP2000309894A (ja) * 1999-04-23 2000-11-07 Koshin Giken Kk 電鋳方法およびその装置

Also Published As

Publication number Publication date
CN100374625C (zh) 2008-03-12
KR20040098633A (ko) 2004-11-20
CN1623011A (zh) 2005-06-01
TWI265215B (en) 2006-11-01
TW200302297A (en) 2003-08-01
JP2003213474A (ja) 2003-07-30
JP3650795B2 (ja) 2005-05-25
KR100769931B1 (ko) 2007-10-24

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