CN201586832U - Coated welding wire for carbon dioxide arc welding - Google Patents
Coated welding wire for carbon dioxide arc welding Download PDFInfo
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- CN201586832U CN201586832U CN200920098169XU CN200920098169U CN201586832U CN 201586832 U CN201586832 U CN 201586832U CN 200920098169X U CN200920098169X U CN 200920098169XU CN 200920098169 U CN200920098169 U CN 200920098169U CN 201586832 U CN201586832 U CN 201586832U
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- welding wire
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- carbon dioxide
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Abstract
The utility model discloses a coated welding wire for carbon dioxide arc welding. The coated welding wire comprises a metal wire, wherein an aluminum layer or an aluminum alloy layer is uniformly and integrally arranged on the surface of the metal wire, the aluminum layer or the aluminum alloy layer is used for plating metallic aluminium or a alloy layer on the surface of the metal wire in the manner of hot dipping, electroplating or chemical plating to form a coating. The welding wire with the plating layer on the surface can reduce splash and improve the welding quality upon the premise of ensuring the conductivity.
Description
Technical field
The present invention relates to a kind of welding wire that is used for carbon dioxide gas arc welding, more particularly, relating to a kind of welding wire surface does not have copper-plated coating welding wire.
Background technology
Along with the introducing of robot welding system, the welding wire that is used for CO 2 gas-shielded arc-welding has been widely used in a lot of fields, for example steel construction, automobile, boats and ships and building.For the welding wire that is used for CO 2 gas-shielded arc-welding, use so-called copper facing solid welding wire usually, wherein copper is plated in welding wire surface.There is following problem in copper plating soldering wire in using and preparing:
(1) copper plate is softer than welding wire surface, because the friction between welding wire and the tip, copper facing is peeled off from welding wire surface inevitably, thereby makes welding unstable.
(2) fusing point of copper is low, evaporation easily under the superhigh temperature of welding process, thus produce a large amount of cigarettes.
(3) in welding process, because the friction between welding wire and the tip, copper powder comes off and accumulates at tip from welding wire surface, can cause tip to stop up, thereby cause welding unstable, produces a large amount of splashing.
(4) welding wire surface copper facing meeting produces a large amount of waste liquids, causes the pollution of environment.
Although copper plating soldering wire has above-mentioned shortcoming, welding wire surface copper facing can improve electric conductivity, welding wire feeding property and corrosion resistance.Consider above-mentioned shortcoming, need exploitation can satisfy the non-coppering wire with copper plating soldering wire advantages characteristic of various characteristics.Japan's special permission communique 2682814 (arc welding welding wire), day disclosure special permission flat 11-147174 of communique (steel electroless coating welding wire) has proposed to use at least a lubricated powder at welding wire surface, as MoS
2, WS
2And C, perhaps lubricating oil coating is used to improve the feeding property of welding wire.Day disclosure special permission communique 2000-117483 discloses a kind of welding wire, along the circumferential direction has the wavy coarse part of predetermined wavelength at welding wire surface, because the peak strength in the spectral measurement is controlled at required numerical value, and its arc starting performance excellence.Day disclosure special permission communique 2000-317679 discloses a kind of electroless coating welding wire and arc welding method of arc welding, wherein use water miscible polymer substance insulation inorganic material powders that the granularity of predetermined quantity is less and conduction inorganic material powders to be bonded in welding wire surface, thus the quantity that has reduced cigarette or splashed.Chinese patent " a kind of surface scribbles the CO 2 gas-shielded solid core welding wire of graphite paint " (application number 200510012638.8; open day on December 21st, 2005) disclose and a kind of welding wire has been carried out the coating or the spray treatment of graphite-based coating, to improve weldquality.
Above-mentioned welding wire has been improved to non-coppering wire, but does not satisfy all required characteristics of welding wire.Particularly, for the performance that improves non-coppering wire applies under the situation of fine powder at welding wire surface, the powder that is coated in welding wire surface causes the generation of cigarette inevitably.And because the powder that is difficult to apply is controlled at proper level, the powder that is coated in welding wire surface is inhomogeneous, thereby has increased the quantity of splashing.
The utility model content
The utility model is intended to overcome the deficiency of existing copper plating soldering wire, under the prerequisite that guarantees conductance, provides a kind of can reducing to splash, and improves the carbon dioxide gas arc welding welding wire of welding stability and welding quality.
A kind of coating welding wire that is used for carbon dioxide gas arc welding of the present utility model comprises wire, and described surface wiry evenly intactly is provided with the metal aluminium lamination.
Described metal aluminium lamination is plated in surface wiry by the mode of hot dip, chemical plating or plating.
A kind of coating welding wire that is used for carbon dioxide gas arc welding of the present utility model comprises wire, and described surface wiry evenly intactly is provided with the Al-alloy metal layer.
Described Al-alloy metal layer is almag layer or aluminum titanium alloy layer.
Described Al-alloy metal layer is plated in surface wiry by the mode of hot dip, chemical plating or plating.
The utility model adopts the technology of twice drawing to be prepared: carried out the drawing first time before coating, the diameter of raw material wire rod is reduced, carrying out coating then handles, make aluminium or its alloy form evenly complete coating in wire surface, carry out the drawing second time at last, diameter is reduced, carry out take-up.Coating welding wire of the present utility model has following beneficial effect: (1) is compared with existing copper plating soldering wire, and the production process of hot-dip aluminizing is polluted significantly and reduced, and the welding wire rustless property improves; (2), when guaranteeing electric conductivity, significantly reduce splashing and improving welding performance of welding wire welding at the hot-dip metal plated layer of welding wire surface; (3) at the hot-dip metal plated layer of welding wire surface, guarantee deoxy performance and Wire Performance, the weld grain of refinement simultaneously improves welding wire deposited metal mechanical property; (4) the drawing welding wire performance that has a metal coating is improved, and reduces wire broken rate.
Description of drawings
Fig. 1 is a welding wire hot dip device schematic diagram.
1. directive wheel; 2. the stove of aluminizing; 3. sinking roller; 4. activated bath; 5. preheating furnace; 6. actinobacillus wheel; 7. take-up.
Fig. 2 is the structural representation of coating welding wire of the present utility model.
8. wire; 9. aluminium lamination or aluminium alloy layer.
The specific embodiment
Further specify technical scheme of the present invention below in conjunction with specific embodiment.
Fig. 1 is a kind of production technology of the utility model coating welding wire, and this process using hot plating technology is to form coating in wire surface.
Because C0 at present commonly used
2The welding wire specification of gas shielded arc welding is generally Ф 0.8-Ф 1.6mm; be drawn to the used drawing process employing of diameter Ф 2.8-3.5mm steel wire and have the solid wire drawing process now basic identical from Ф 6.5-Ф 5.5mm welding wire raw material wire rod; soon Ф 6.5-Ф 5.5mm welding wire raw material wire rod is peeled off and is derusted; be stained with then and be coated with the borate coating; oven dry; be drawn to diameter Ф 2.8-3.5mm, thermokalite wash-out fat, take-up.
Ф 2.8-3.5mm steel wire is entered the hot dip production line, carry out hot-dip aluminizing, used hot-dip aluminizing technology is basic identical with existing ripe hot-dip aluminizing technology, promptly by actinobacillus wheel 6 unwrapping wire, in activated bath 4, help plating to handle (wherein fluxing agent is the aqueous solution of mass percent 6%KF and the aqueous solution of mass percent 4%NaCl) to steel wire, in preheating furnace 5, dry (bake out temperature 300-500 ℃), immerse immediately after the oven dry and aluminize in the stove 2 of aluminizing that (the groove aluminium alloy temperature of aluminizing is controlled at 700 ± 20 ℃, immersion plating time 3-20s), behind coating, carry out the drawing second time, make it be drawn into finished product welding wire Ф 0.8-Ф 1.6mm by directive wheel 1 and take-up 7.
Fig. 2 is the structural representation of coating welding wire of the present utility model, and wherein 8 is wire, and 9 is aluminium lamination or aluminium alloy layer.
The present invention is plated in the surface of welding wire with aluminium, magnesium, titanium, and have following beneficial effect: (1) is compared with existing copper plating soldering wire, and the production process of hot-dip aluminizing is polluted significantly and reduced, and the welding wire rustless property improves; (2) at welding wire surface hot dip alloying metal layer, when guaranteeing electric conductivity, reduce splashing of welding wire welding, improve welding quality; (3) at welding wire surface hot dip alloying metal layer, guarantee Wire Performance, refinement weld grain (as shown in Figure 3) improves welding wire deposited metal mechanical property simultaneously; (5) the drawing welding wire performance that has an aluminium alloy covered is improved, and reduces wire broken rate.
More than the present invention has been done exemplary description; should be noted that; under the situation that does not break away from core of the present invention, the replacement that is equal to that any simple distortion, modification or other those skilled in the art can not spend creative work all falls into protection scope of the present invention.
Claims (5)
1. a coating welding wire that is used for carbon dioxide gas arc welding comprises wire, it is characterized in that, described surface wiry evenly intactly is provided with the metal aluminium lamination.
2. a kind of coating welding wire that is used for carbon dioxide gas arc welding according to claim 1 is characterized in that described metal aluminium lamination is plated in surface wiry by the mode of hot dip, chemical plating or plating.
3. a coating welding wire that is used for carbon dioxide gas arc welding comprises wire, it is characterized in that, described surface wiry evenly intactly is provided with the Al-alloy metal layer.
4. a kind of coating welding wire that is used for carbon dioxide gas arc welding according to claim 3 is characterized in that described Al-alloy metal layer is almag layer or aluminum titanium alloy layer.
5. a kind of coating welding wire that is used for carbon dioxide gas arc welding according to claim 3 is characterized in that described Al-alloy metal layer is plated in surface wiry by the mode of hot dip, chemical plating or plating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920098169XU CN201586832U (en) | 2009-07-31 | 2009-07-31 | Coated welding wire for carbon dioxide arc welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920098169XU CN201586832U (en) | 2009-07-31 | 2009-07-31 | Coated welding wire for carbon dioxide arc welding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201586832U true CN201586832U (en) | 2010-09-22 |
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ID=42746599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920098169XU Expired - Fee Related CN201586832U (en) | 2009-07-31 | 2009-07-31 | Coated welding wire for carbon dioxide arc welding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201586832U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102909495A (en) * | 2012-10-08 | 2013-02-06 | 韩永艾 | Method for producing CO2 gas shield solid welding wire by physical oxidation method |
| CN102962598A (en) * | 2012-10-31 | 2013-03-13 | 天津大学 | Active coating welding wire for carbon dioxide gas arc welding and preparation method thereof |
-
2009
- 2009-07-31 CN CN200920098169XU patent/CN201586832U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102909495A (en) * | 2012-10-08 | 2013-02-06 | 韩永艾 | Method for producing CO2 gas shield solid welding wire by physical oxidation method |
| CN102962598A (en) * | 2012-10-31 | 2013-03-13 | 天津大学 | Active coating welding wire for carbon dioxide gas arc welding and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100922 Termination date: 20120731 |