CN105436748A - Production process for aluminum-based welding wire - Google Patents
Production process for aluminum-based welding wire Download PDFInfo
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- CN105436748A CN105436748A CN201510950987.8A CN201510950987A CN105436748A CN 105436748 A CN105436748 A CN 105436748A CN 201510950987 A CN201510950987 A CN 201510950987A CN 105436748 A CN105436748 A CN 105436748A
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- welding wire
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/40—Making wire or rods for soldering or welding
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Abstract
Disclosed is a production process for an aluminum-based welding wire. The production process comprises the following steps that scaling powder is made, 19-27 parts by weight of potassium fluoroaluminate powder and 1-3 parts by weight of cesium tetrafluoroaluminate complex powder are evenly mixed to make the scaling powder with the granularity smaller than 500 meshes, and then the scaling powder is dried and set aside to be used; aluminum-based brazing filler metal powder is made, after 69-76 parts by weight of aluminum-silicon alloy and 1-4 parts by weight of additives are mixed, the mixture is sequentially subjected to high-temperature melting, atmosphere protection and atomization, and the aluminum-based brazing filler metal powder with the granularity smaller than 200 meshes is formed and set aside to be used; the scaling powder and the aluminum-based brazing filler metal powder are put into a mixing tank to be stirred and mixed evenly; the mixed powder is put into a mold to make an ingot; the ingot is put into a muffle furnace to be preheated at the preheating temperature of 350 DEG C-450 DEG C for the preheating time of 30-40 minutes, and nitrogen is led into the muffle furnace during preheating; the preheated ingot is put into a mold canister of a welding wire extrusion device, the welding wire extrusion device is started, and an extrusion rod of the extrusion device is squeezed into the mold canister to extrude the ingot; and the ingot is squeezed into a wire-forming sizing mold piece, and the welding wire with the corresponding specification and dimension is formed through shunting.
Description
Technical field
The present invention relates to welding wire production technical field, particularly relate to a kind of production technology of aluminium base welding wire.
Background technology
Its welding wire adopted of existing soldering processes is made up of alloy usually, not containing flux ingredients, scaling powder is dipped in after the real needs heating of use, not only use inconvenience, and dip in add scaling powder time often due to human error, to make to dip in the scaling powder dosage added unstable, finally make welding effect unstable.Have the welding wire of medicine core class at present on the market, this kind of welding wire normally fills scaling powder or other medicinal powder in alloy tubule, but the manufacturing process of such welding wire is complicated, and production cost is high.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, providing a kind of production cost lower, during use, adding scaling powder without the need to dipping in, improve the production technology of the aluminium base welding wire of ease of use.
In order to realize above object, the technical solution used in the present invention is:
A production technology for aluminium base welding wire, is characterized in that; This technique comprises the following steps:
S1. flux powder is made: be the potassium fluoroaluminate powder of 19 ~ 27 parts and the fluoaluminic acid caesium powder Homogeneous phase mixing of 1 ~ 3 part by weight portion, make granularity and be less than 500 object flux powders, stand-by with post-drying;
S2. powdered aluminum based filler is made: be make weight portion granularity through high temperature melting, atmosphere protection and atomization successively after the additive mixing of the alusil alloy of 69-76 part and 1 ~ 4 part to be less than 200 object powdered aluminum based fillers stand-by;
S3. flux powder and powdered aluminum based filler are put into blending tank to be uniformly mixed;
S4. the powder mixed is put into mould and make spindle;
S5. spindle is put into Muffle furnace and carry out preheating, be filled with nitrogen during preheating toward Muffle furnace, preheat temperature is 350 ~ 450 DEG C, and preheating time is 30 ~ 40 minutes;
S6. preheated spindle is put into the mould cylinder of welding wire pressurizing unit, the pressure ram of pressurizing unit is got in mould cylinder and is extruded spindle by startup welding wire pressurizing unit;
S7. spindle is clamp-oned wire vent sizing matrix, form relevant specification welding wire through shunting.
Preferably, its silicon content of described alusil alloy is 11 ~ 14%.
Preferably, the spindle in step S4 is the cylindrical spindle of diameter 50 ~ 55mm, high 100 ~ 120mm.
Beneficial effect of the present invention is: the production technology of aluminium base welding wire of the present invention, flux powder and powdered aluminum based filler are mixed and made into aluminium base welding wire, in process of production first by flux powder and powdered aluminum based filler Homogeneous phase mixing, subsequently the powder mixed is put into mould and make spindle, spindle after preheating is converted into molten condition in a certain degree, flux powder and powdered aluminum based filler are mixed further in molten condition, and the spindle after last pre-thermal softening carries out extruding and forms relevant specification welding wire in welding wire pressurizing unit.Because aluminium base welding wire is in process of production by scaling powder and aluminium base solder mixing, therefore contains flux ingredients in aluminium base welding wire, directly can weld with welding wire in use, exempt the trouble of adding scaling powder, improve the efficiency of welding; Not needing welder to hold the dosage of scaling powder, avoiding welder to misuse the dosage of welding compound because lacking experience, eliminate the dose error produced because individual judges simultaneously yet, be conducive to carrying out unified management to welding effect yet.Simultaneously again because scaling powder and aluminium base solder mix with pulverulence, be conducive to both Homogeneous phase mixing, make both in aluminium base welding wire, divide equally distribution with stable proportioning, add in use procedure without the need to manually additionally dipping in the scaling powder dosage instability adding scaling powder release human error and cause, aluminium base welding wire is finally made to have stable welding effect, more easily accurately control the consumption of brazing flux, simultaneously due to scaling powder powder of the present invention and aluminium base solder reasonable mixture ratio, in use also there is good welding performance.
Detailed description of the invention
Now in conjunction with specific embodiments the present invention's technical scheme required for protection is described in further detail.
Embodiment one
The production technology of a kind of aluminium base welding wire in the present embodiment comprises the following steps:
S1. flux powder is made: be the potassium fluoroaluminate powder of 19 parts and the fluoaluminic acid caesium powder Homogeneous phase mixing of 1 part by weight portion, make 20 parts of granularities and be less than 500 object flux powders, stand-by with post-drying;
S2. powdered aluminum based filler is made: be make weight portion 80 parts of granularities through high temperature melting, atmosphere protection and atomization successively after the additive mixing of the alusil alloy of 76 parts and 4 parts to be less than 200 object powdered aluminum based fillers stand-by; Adopt silicon content to be the alusil alloy of 11% in the present embodiment, the additive of employing is one or more in strontium, beryllium, copper and rare earth metal;
S3. be that the flux powder of 20 parts and the powdered aluminum based filler of 80 parts are put into blending tank and be uniformly mixed by weight portion;
S4. the powder mixed is put into the cylindrical spindle that mould makes diameter 50 ~ 55mm, high 100 ~ 120mm;
S5. spindle is put into Muffle furnace and carry out preheating, be filled with nitrogen during preheating toward Muffle furnace, preheat temperature is 350 ~ 450 DEG C, and preheating time is 30 ~ 40 minutes;
S6. preheated spindle is put into the mould cylinder of welding wire pressurizing unit, the pressure ram of pressurizing unit is got in mould cylinder and is extruded spindle by startup welding wire pressurizing unit;
S7. spindle is clamp-oned wire vent sizing matrix, form relevant specification welding wire through shunting.
Embodiment two
The production technology of a kind of aluminium base welding wire in the present embodiment comprises the following steps:
S1. flux powder is made: be the potassium fluoroaluminate powder of 27 parts and the fluoaluminic acid caesium powder Homogeneous phase mixing of 3 parts by weight portion, make 30 parts of granularities and be less than 500 object flux powders, stand-by with post-drying;
S2. powdered aluminum based filler is made: be make weight portion 70 parts of granularities through high temperature melting, atmosphere protection and atomization successively after the additive mixing of the alusil alloy of 69 parts and 1 part to be less than 200 object powdered aluminum based fillers stand-by; Adopt silicon content to be the alusil alloy of 14% in the present embodiment, the additive of employing is one or more in strontium, beryllium, copper and rare earth metal;
S3. be that the flux powder of 20 parts and the powdered aluminum based filler of 80 parts are put into blending tank and be uniformly mixed by weight portion;
S4. the powder mixed is put into the cylindrical spindle that mould makes diameter 50 ~ 55mm, high 100 ~ 120mm;
S5. spindle is put into Muffle furnace and carry out preheating, be filled with nitrogen during preheating toward Muffle furnace, preheat temperature is 350 ~ 450 DEG C, and preheating time is 30 ~ 40 minutes;
S6. preheated spindle is put into the mould cylinder of welding wire pressurizing unit, the pressure ram of pressurizing unit is got in mould cylinder and is extruded spindle by startup welding wire pressurizing unit;
S7. spindle is clamp-oned wire vent sizing matrix, form relevant specification welding wire through shunting.
The production technology of the aluminium base welding wire of above-mentioned two embodiments, all flux powder and powdered aluminum based filler are mixed and made into aluminium base welding wire, in process of production first by flux powder and powdered aluminum based filler Homogeneous phase mixing, subsequently the powder mixed is put into mould and make spindle, spindle after preheating is converted into molten condition in a certain degree, flux powder and powdered aluminum based filler are mixed further in molten condition, and the spindle after last pre-thermal softening carries out extruding and forms relevant specification welding wire in welding wire pressurizing unit.Because aluminium base welding wire is in process of production by scaling powder and aluminium base solder mixing, therefore contains flux ingredients in aluminium base welding wire, directly can weld with welding wire in use, exempt the trouble of adding scaling powder, improve the efficiency of welding; Not needing welder to hold the dosage of scaling powder, avoiding welder to misuse the dosage of welding compound because lacking experience, eliminate the dose error produced because individual judges simultaneously yet, be conducive to carrying out unified management to welding effect yet.Simultaneously again because scaling powder and aluminium base solder mix with pulverulence, be conducive to both Homogeneous phase mixing, make both in aluminium base welding wire, divide equally distribution with stable proportioning, add in use procedure without the need to manually additionally dipping in the scaling powder dosage instability adding scaling powder release human error and cause, aluminium base welding wire is finally made to have stable welding effect, more easily accurately control the consumption of brazing flux, simultaneously due to adopted scaling powder powder and aluminium base solder reasonable mixture ratio, in use also there is good welding performance.
The embodiment of the above is only preferred embodiment of the present invention, not does any pro forma restriction to the present invention.Any those of ordinary skill in the art, are not departing under technical solution of the present invention ambit, the technology contents of above-mentioned announcement can utilized to make more how possible variation and retouching to technical solution of the present invention, or be revised as the Equivalent embodiments of equivalent variations.Therefore all contents not departing from technical solution of the present invention, the equivalent equivalence change that the thinking according to the present invention is done, all should be covered by protection scope of the present invention.
Claims (4)
1. a production technology for aluminium base welding wire, is characterized in that; This technique comprises the following steps:
S1. flux powder is made: be the potassium fluoroaluminate powder of 19 ~ 27 parts and the fluoaluminic acid caesium powder Homogeneous phase mixing of 1 ~ 3 part by weight portion, make granularity and be less than 500 object flux powders, stand-by with post-drying;
S2. powdered aluminum based filler is made: be make weight portion granularity through high temperature melting, atmosphere protection and atomization successively after the additive mixing of the alusil alloy of 69 ~ 76 parts and 1 ~ 4 part to be less than 200 object powdered aluminum based fillers stand-by;
S3. flux powder and powdered aluminum based filler are put into blending tank to be uniformly mixed;
S4. the powder mixed is put into mould and make spindle;
S5. spindle is put into Muffle furnace and carry out preheating, be filled with nitrogen during preheating toward Muffle furnace, preheat temperature is 350 ~ 450 DEG C, and preheating time is 30 ~ 40 minutes;
S6. preheated spindle is put into the mould cylinder of welding wire pressurizing unit, the pressure ram of pressurizing unit is got in mould cylinder and is extruded spindle by startup welding wire pressurizing unit;
S7. spindle is clamp-oned wire vent sizing matrix, form relevant specification welding wire through shunting.
2. the production technology of a kind of aluminium base welding wire according to claim 1, is characterized in that: its silicon content of described alusil alloy is 11 ~ 14%.
3. the production technology of a kind of aluminium base welding wire according to claim 1, is characterized in that: described additive is one or more in strontium, beryllium, copper and rare earth metal.
4. the production technology of a kind of aluminium base welding wire according to claim 1, is characterized in that: the spindle in step S4 is the cylindrical spindle of diameter 50 ~ 55mm, high 100 ~ 120mm.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107030412A (en) * | 2017-05-17 | 2017-08-11 | 常州鑫力航金属新材料有限公司 | A kind of aluminium alloy brazing it is environmentally friendly corrosion-free from braze-welding rings and preparation method thereof |
| CN110181194A (en) * | 2019-07-03 | 2019-08-30 | 广东省焊接技术研究所（广东省中乌研究院） | A kind of Compositional type brazing material and soldering processes |
| CN111922554A (en) * | 2020-07-01 | 2020-11-13 | 昆明理工大学 | Preparation method of aluminum-silicon-copper welding wire |
| CN112091477A (en) * | 2019-10-24 | 2020-12-18 | 浙江新锐焊接科技股份有限公司 | High-performance composite brazing material with low brazing flux residue |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110181194A (en) * | 2019-07-03 | 2019-08-30 | 广东省焊接技术研究所（广东省中乌研究院） | A kind of Compositional type brazing material and soldering processes |
| CN112091477A (en) * | 2019-10-24 | 2020-12-18 | 浙江新锐焊接科技股份有限公司 | High-performance composite brazing material with low brazing flux residue |
| CN111922554A (en) * | 2020-07-01 | 2020-11-13 | 昆明理工大学 | Preparation method of aluminum-silicon-copper welding wire |
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| CN105436748B (en) | 2018-11-13 |
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Denomination of invention: Production process of aluminum based welding wire Effective date of registration: 20201126 Granted publication date: 20181113 Pledgee: Guangdong Nanhai Rural Commercial Bank branch branch of Limited by Share Ltd. Pledgor: FOSHAN YIHONG WELDING Co.,Ltd. Registration number: Y2020440000364 |
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