Abrégé

Disclosed in the present invention is an electrode wire for unidirectional travelling electrical discharge machining. The electrode wire comprises: a metal or an alloy core material; a transition layer, which is located outside the core material and is made of a copper-zinc alloy; and a surface functional layer, which is located outside the transition layer and contains carbon, the carbon content thereof being 0.6-50 wt%. The electrode wire of the present invention has good conductivity and a relatively high cutting machining speed and cutting machining precision, and the preparation process is simple.

Classes IPC  ?

• B23H 7/08 - Fils-électrodes

Abrégé

Disclosed is an electrode wire for low-speed wire electric discharge machining, comprising: a core material; an intermediate layer located outside the core material; and a surface layer located outside the intermediate layer; wherein the core material is a metal or alloy, the intermediate layer is a copper-zinc alloy, and the surface layer contains a carbon element; and the content of the carbon element of the surface layer of the electrode wire is 0.2-60 wt%. According to the present invention, the electrode wire for low-speed wire electric discharge machining has good surface layer conductivity, the high cutting machining speed can be maintained for a long time, the machining precision is high, and the preparation process is simple.

Classes IPC  ?

• B23H 7/08 - Fils-électrodes

Abrégé

An electrode wire for electric spark discharge machining, and a preparation method therefor. The electrode wire comprises a core material (1); an intermediate layer (2) located outside the core material (1); and a top layer (3) located outside the intermediate layer (2), wherein the core material (1) is a metal or an alloy, and the intermediate layer (2) is made of a copper-zinc alloy; and a surface of the intermediate layer (2) has a pit (20), a surface of the pit (20) has a micro-pit (200), the size of the micro-pit (200) is less than the size of the pit (20) in which same is located, and the top layer (3) intermittently covers the outside of the intermediate layer (2) and fills the pit (20) and the micro-pit (200). During a preparation process, the copper-zinc alloy is formed in the electrode wire by means of electroplating, heat treatment and drawing processes, and the surface of the intermediate layer (2) is pressed to form the pit (20) and the micro-pit (200).

Classes IPC  ?

• B23H 1/04 - Électrodes spécialement adaptées à cet effet ou leur fabrication
• B23H 1/06 - Matériaux pour électrodes
• B23H 3/06 - Matériaux pour électrodes
• B23H 3/08 - Milieux d'usinage
• B23H 7/22 - Électrodes spécialement adaptées à cet effet ou leur fabrication
• B23H 7/24 - Matériaux pour électrodes
• B23H 11/00 - Appareils auxiliaires ou détails non prévus ailleurs

Abrégé

An electrode wire, comprising a core material (1), a middle layer (2) located outside the core material (1), and a surface layer (3) located outside the middle layer (2). The core material (1) is metal or alloy, the middle layer (2) comprises a γ-phase copper-zinc alloy layer (20), and the surface layer (3) intermittently covers the γ-phase copper-zinc alloy layer (20); and the γ-phase copper-zinc alloy layer (20) has a massive β-phase and/or β'-phase copper-zinc alloy at an interface between the γ-phase copper-zinc alloy layer (20) and the surface layer (3). In the electrode wire preparation process, a γ-phase copper-zinc alloy layer and a massive β-phase and/or β'-phase copper-zinc alloy at an interface between the γ-phase copper-zinc alloy layer and a surface layer are formed in the electrode wire by means of electroplating, stretching, heat treatment and stretching processes, and the wire cutting speed during wire electrical discharge machining can be increased.

Classes IPC  ?

• B23H 7/22 - Électrodes spécialement adaptées à cet effet ou leur fabrication
• B23H 1/04 - Électrodes spécialement adaptées à cet effet ou leur fabrication

Abrégé

A wire electrode. The wire electrode comprises: a core material (1); an intermediate layer (2) which is located outside the core material (1); and a surface layer (3) which is located outside the intermediate layer (2), wherein the intermediate layer (2) is made of a copper-zinc alloy and the interior of the core material has an irregular β-phase and/or β'-phase copper-zinc alloy. A preparation method for the wire electrode comprises performing electroplating, heat treatment and drawing processes, so as to form a β-phase copper-zinc alloy within a core material inside the wire electrode; and by using the characteristics of the β-phase copper-zinc alloy and a β'-phase copper-zinc alloy, the conductivity of the core material can be improved, the transmission of discharge energy is improved, and a wire cutting speed is increased.

Classes IPC  ?

• B23H 7/08 - Fils-électrodes
• B23H 7/22 - Électrodes spécialement adaptées à cet effet ou leur fabrication
• B23H 7/24 - Matériaux pour électrodes

Abrégé

An electrode wire includes a brass core, a Cu—Zn alloy layer coated on the brass core, and a surface layer. The surface layer includes CuO, ZnO, Cu2(OH)2CO3, and a Cu—Zn intermetallic compound. The surface layer is in the shape of particles or sheets spaced apart on the Cu—Zn alloy layer; and the Cu—Zn alloy layer is exposed with respect to spaces between the particles or sheets.

Classes IPC  ?

• B23H 1/06 - Matériaux pour électrodes
• C25D 3/22 - Dépôt électrochimiqueBains utilisés à partir de solutions de zinc
• C25D 3/38 - Dépôt électrochimiqueBains utilisés à partir de solutions de cuivre
• B23H 7/08 - Fils-électrodes

Produits et services

Alloys of common metal; Brass wires; Copper wire, not insulated; Brass, unwrought or semi-wrought; Common metals, unwrought or semi-wrought; Soldering wire of metal; Wire of common metal; Wire of common metal alloys, except fuse wire; Zinc and its alloys; Copper, unwrought or semi-wrought

Produits et services

(1) Alloys of common metal; brass wires; brass, unwrought or semi-wrought; common metals, unwrought or semi-wrought; copper wire, not insulated; copper, unwrought or semi-wrought; soldering wire of metal; wire of common metal; wire of common metal alloys, except fuse wire; zinc and its alloys

Abrégé

Provided is an efficient flushing electrode wire, which comprises a core material (1), wherein the surface of the core material (1) is provided with stripe-shaped protrusions (2) extending along the surface of the core material (1). The strip-shaped protrusions (2) are arranged at intervals, and the bottom brims of all the strip-shaped protrusions (2) extend into the core material (1) to form protrusive brims (22). The mass percentage content of copper in the core material (1) is 58.5-67.5 wt%, and the balance is zinc and other unavoidable impurities. The mass percentage content of zinc in each strip-shaped protrusion (2) is 57.8-69.8 wt%, and the balance is copper and other unavoidable impurities. The cutting efficiency of the efficient flushing electrode wire is high, the production process is simple, and large-scale automatic production is easy to achieve. Also disclosed is a preparation method of the efficient flushing electrode wire.

Classes IPC  ?

• B23H 7/08 - Fils-électrodes

Abrégé

The invention discloses a high-precision zinc-based alloy electrode wire, the external shell thereof consisting of: Zn: 70.5-95%; Cu: 2.5-27%; X: 0.02-4.0%; Y: 0.002-0.4%, and unavoidable impurities; where, X refers to any two kinds of metals selected from Ni, Ag, Cr, Si and Zr, and the weight percentage of each of these two kinds of metals is 0.01-2.0%; and Y refers to any two kinds of metals selected from Ti, Al, Co, B, and P, and the weight percentage of each of these two kinds of metals is 0.001-0.2%; the ε-phase in a metallurgical structure of the external shell is above 80 wt %. The invention also provides a method for manufacturing the electrode wire, which has high surface smoothness of the cut metal workpieces to improve the cutting precision. The method has simple process, high maneuverability, less steps, so as to facilitate large-scale and automated production.

Classes IPC  ?

• B23H 7/24 - Matériaux pour électrodes
• C22C 1/02 - Fabrication des alliages non ferreux par fusion
• B22D 21/00 - Coulée de métaux non ferreux ou de composés métalliques, dans la mesure où leurs propriétés métallurgiques affectent le procédé de couléeUtilisation de compositions appropriées
• C22F 1/08 - Modification de la structure physique des métaux ou alliages non ferreux par traitement thermique ou par travail à chaud ou à froid du cuivre ou de ses alliages
• C23G 1/10 - Nettoyage ou décapage de matériaux métalliques au moyen de solutions ou de sels fondus avec des solutions acides des autres métaux lourds
• C22C 18/02 - Alliages à base de zinc avec le cuivre comme second constituant majeur
• B21C 1/02 - Étirage des fils métalliques ou d'un matériau flexible analogue au moyen de machines ou d'appareils à étirer dans lesquels l'étirage est effectué par des tambours
• B21C 23/08 - Fabrication de fils, de barres, de tubes
• B22D 25/02 - Coulée particulière caractérisée par la nature du produit par sa formeCoulée particulière caractérisée par la nature du produit d'œuvres d'art
• B23H 7/08 - Fils-électrodes
• C22C 9/04 - Alliages à base de cuivre avec le zinc comme second constituant majeur
• C22F 1/16 - Modification de la structure physique des métaux ou alliages non ferreux par traitement thermique ou par travail à chaud ou à froid des autres métaux ou de leurs alliages
• C23G 1/24 - Nettoyage ou décapage de matériaux métalliques au moyen de solutions ou de sels fondus avec des solutions neutres
• C25D 3/22 - Dépôt électrochimiqueBains utilisés à partir de solutions de zinc
• C25D 5/34 - Prétraitement des surfaces métalliques à revêtir de métaux par voie électrolytique
• C25D 5/50 - Post-traitement des surfaces revêtues de métaux par voie électrolytique par traitement thermique
• C25D 7/06 - FilsBandesFeuilles

Abrégé

A low-boron-oxygen cutting line for one-way wire winding and a manufacturing method are provided. A core material comprises 55-65 wt % of copper, 0.001-0.03 wt % of boron, 0.05-1.0 wt % of other elements which are at least two of titanium, iron, silicon, nickel, manganese, aluminum, tin, phosphorus and rare earth, less than 0.5 wt % of inevitable impurity elements, and an allowance of zinc; and a surface comprises 35.0-45.0 wt % of copper, 0.001-3.0 wt % of oxygen, 0.0005-0.5 wt % of other elements, at least two of which are titanium, iron, silicon, nickel, manganese, aluminum, tin, phosphorus and rare earth, less than 0.5 wt % of inevitable impurity elements, and an allowance of zinc. The cutting line has improved mechanical properties and strengthened discharge properties, and can cut irregularly shaped materials or those hollowed in the middle.

Classes IPC  ?

• B23H 7/08 - Fils-électrodes
• B23K 7/00 - Découpage, décriquage ou dépolissage, par chauffage à la flamme
• C22C 9/04 - Alliages à base de cuivre avec le zinc comme second constituant majeur
• B22D 21/02 - Coulée de métaux non ferreux très oxydables, p. ex. atmosphère inerte
• B22D 11/00 - Coulée continue des métaux, c.-à-d. en longueur indéfinie
• C22F 1/08 - Modification de la structure physique des métaux ou alliages non ferreux par traitement thermique ou par travail à chaud ou à froid du cuivre ou de ses alliages
• C22C 9/00 - Alliages à base de cuivre
• B23H 7/24 - Matériaux pour électrodes
• B32B 15/00 - Produits stratifiés composés essentiellement de métal
• C22C 18/02 - Alliages à base de zinc avec le cuivre comme second constituant majeur