CN108723533A - A kind of ultrasonic wave assisted plasma cutting electrode vacuum soldering method - Google Patents
A kind of ultrasonic wave assisted plasma cutting electrode vacuum soldering method Download PDFInfo
- Publication number
- CN108723533A CN108723533A CN201711010801.6A CN201711010801A CN108723533A CN 108723533 A CN108723533 A CN 108723533A CN 201711010801 A CN201711010801 A CN 201711010801A CN 108723533 A CN108723533 A CN 108723533A
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- CN
- China
- Prior art keywords
- solder
- ultrasonic wave
- plasma cutting
- cutting electrode
- soldering method
- 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
Links
- 238000005520 cutting process Methods 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000005476 soldering Methods 0.000 title claims abstract description 23
- 229910000679 solder Inorganic materials 0.000 claims abstract description 60
- 229910052735 hafnium Inorganic materials 0.000 claims abstract description 38
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 claims abstract description 38
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 21
- 229910052802 copper Inorganic materials 0.000 claims abstract description 21
- 239000010949 copper Substances 0.000 claims abstract description 21
- 239000007788 liquid Substances 0.000 claims abstract description 21
- 238000005219 brazing Methods 0.000 claims abstract description 18
- 238000004140 cleaning Methods 0.000 claims abstract description 12
- 230000004907 flux Effects 0.000 claims abstract description 7
- 239000011248 coating agent Substances 0.000 claims abstract description 4
- 238000000576 coating method Methods 0.000 claims abstract description 4
- 238000002844 melting Methods 0.000 claims abstract description 4
- 230000008018 melting Effects 0.000 claims abstract description 4
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- 238000003723 Smelting Methods 0.000 claims description 5
- 229910052786 argon Inorganic materials 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 235000019441 ethanol Nutrition 0.000 claims description 3
- 230000005496 eutectics Effects 0.000 claims description 3
- 239000011261 inert gas Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 238000003466 welding Methods 0.000 abstract description 5
- 238000005336 cracking Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- NEIHULKJZQTQKJ-UHFFFAOYSA-N [Cu].[Ag] Chemical compound [Cu].[Ag] NEIHULKJZQTQKJ-UHFFFAOYSA-N 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012669 compression test Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000002633 protecting effect Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
Classifications
-
- 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
- B23K1/00—Soldering, e.g. brazing, or unsoldering
-
- 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
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/008—Soldering within a furnace
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ceramic Products (AREA)
Abstract
The invention belongs to the technical fields of method for welding, and in particular to a kind of ultrasonic wave assisted plasma cutting electrode vacuum soldering method；The technical issues of solution is：There is provided a kind of high brazing quality and conductivity and the high ultrasonic wave assisted plasma cutting electrode vacuum soldering method of thermal conductivity；The technical solution used for：A kind of ultrasonic wave assisted plasma cutting electrode vacuum soldering method, includes the following steps：S101, hafnium filament, oxygen-free copper weldment and ag-cu solder are cleaned；S102, ag-cu solder and brazing flux are heated to melting, form liquid solder；S103, the hafnium filament after cleaning is put into liquid solder, is taken out after ultrasonic vibration, make hafnium filament surface applying liquid solder；S104, the hafnium filament of surface coating solder, oxygen-free copper weldment and ag-cu solder are assembled together, and are put into vacuum tube furnace, vacuumized, be heated to brazing temperature, ag-cu solder fusing, then kept the temperature, cooled down, come out of the stove；The present invention is suitable for soldering field.
Description
Technical field
The invention belongs to the technical fields of method for welding, and in particular to a kind of ultrasonic wave assisted plasma cutting electrode vacuum
Method for welding.
Background technology
Plasma cutting electrode mainly uses two ways to complete on the market now, the company between electrode body and hafnium particle
It connects, i.e. interference press-fit and soldering formula.In the connection of interference press-fit, the size of interference volume is of crucial importance, and interference volume is too big, material
It cannot bear, it may appear that cracking；Interference volume is too small, and good cannot contact causes thermal resistance and resistance excessive, and function cannot achieve,
And the size of interference volume is not easy to control, also imperfect standard calculates interference volume size；Soldering formula plasma cutting electrode
Emitter of the head by electrode body and mounted on its end is constituted, and electrode body is machined into using oxygen-free copper, and transmitting is extremely
One section of column hafnium filament, in plasma cutting process, big arc-plasma current is flowed through from hafnium filament and copper electrode ontology, hafnium filament and
Copper electrode by the intense radiation of electric arc, causes temperature to increase simultaneously, although there is cooling water cooling in copper electrode ontology, its
The arc radiation heating of end face strongly, seriously affects the service life of hafnium filament and copper electrode.
Invention content
The present invention overcomes the shortcomings of the prior art, technical problem to be solved to be：There is provided a kind of brazing quality it is high,
And conductivity and the high ultrasonic wave assisted plasma cutting electrode vacuum soldering method of thermal conductivity.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is：A kind of ultrasonic wave assisted plasma cutting
Electrode vacuum method for welding, includes the following steps：
S101, hafnium filament, oxygen-free copper weldment and ag-cu solder are cleaned；
S102, ag-cu solder and brazing flux are heated to melting, form liquid solder；
S103, the hafnium filament after cleaning is put into liquid solder, is taken out after ultrasonic vibration, make hafnium filament surface applying liquid
Solder；
S104, the hafnium filament of surface coating solder, oxygen-free copper weldment and ag-cu solder are assembled together, and are put into vacuum tube
Formula stove, vacuumizes, and is heated to brazing temperature, ag-cu solder fusing, then kept the temperature, cooled down, come out of the stove.
Preferably, ag-cu solder is Ag72-Cu28 binary eutectic ag-cu solders in the step 1.
Preferably, specifically, hafnium filament, oxygen-free copper weldment and ag-cu solder to be put into the burning for filling ethyl alcohol in the step 1
In cup, beaker is put into supersonic cleaning machine, ultrasonic vibration is cleaned 15 minutes, and hot wind dries up rapidly after being taken out respectively with tweezers,
It is put into spare in clean sample bag.
Preferably, it in the step 2 specifically, ag-cu solder and brazing flux are put into miniature smelting furnace crucible, is heated to
It is kept the temperature after fusing, forms liquid solder.
Preferably, in the step 3 specifically, hafnium filament after cleaning is clamped in ultrasonic boom end, and it is inserted into the liquid
In solder, ultrasonic vibration is taken out after 5-30 seconds.
Preferably, it is vacuumized in the step 4 specifically, vacuum tube furnace is first evacuated to 10-1Then Pa is hereinafter, return
Applying argon gas, then inert gas or nitrogen are vacuumized and recharge, repeated multiple times rear vacuum pump persistently vacuumizes, true in vacuum tube furnace
Reciprocal of duty cycle maintains 10-1Pa or less.
Preferably, in the step 4, cooling temperature is to 200 DEG C or less.
Preferably, content silver-colored in the ag-cu solder is 50%-80%.
The present invention has the advantages that compared with prior art：
A kind of ultrasonic wave assisted plasma cutting electrode vacuum soldering method of the present invention, by hafnium filament, oxygen-free copper weldment and silver
Copper solder is organically combined into an electrode entirety, improves the service life of electrode, by hafnium filament surface applying liquid solder,
Solve the problems, such as that hafnium filament weldering property is poor in the prior art, present invention soldering property is high, is conducive to hafnium filament and oxygen-free copper weldment realizes smelting
Gold combines, and conductivity and thermal conductivity are high, is conducive to radiate when electrode work, and have preferable corrosion resistance and good economy
Property and the feature of environmental protection, practicability are high.
Description of the drawings
The present invention will be further described in detail below in conjunction with the accompanying drawings；
Fig. 1 is a kind of flow signal of ultrasonic wave assisted plasma cutting electrode vacuum soldering method provided by the invention
Figure.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments；Based on the embodiments of the present invention, ordinary skill people
The every other embodiment that member is obtained without creative efforts, shall fall within the protection scope of the present invention.
As shown in Figure 1, a kind of ultrasonic wave assisted plasma cutting electrode vacuum soldering method, includes the following steps：
S101, the ag-cu solder that hafnium filament, oxygen-free copper weldment and silver content are 50%-80% is cleaned, specifically, will
Hafnium filament, oxygen-free copper weldment and ag-cu solder are put into the beaker for filling ethyl alcohol, beaker are put into supersonic cleaning machine, ultrasonic vibration
Cleaning 15 minutes, hot wind dries up rapidly after being taken out respectively with tweezers, be put into cleaning sample bag in it is spare, the ag-cu solder is
The Ag72-Cu28 binary eutectic ag-cu solders of high comprehensive performance；
The ag-cu solder may be used a variety of method for welding and is brazed, such as gas brazing, induction brazing, furnace brazing
Deng, brazing temperature generally in 30~50 DEG C of its fusing point or more；
S102, ag-cu solder and brazing flux are heated to melting, liquid solder are formed, specifically, by ag-cu solder and brazing flux
It is put into miniature smelting furnace crucible, is kept the temperature after being heated to fusing, form liquid solder；
S103, the hafnium filament after cleaning is put into liquid solder, is taken out after ultrasonic vibration, make hafnium filament surface applying liquid
Solder specifically, hafnium filament after cleaning is clamped in ultrasonic boom end, and is inserted into the liquid solder, ultrasonic vibration 5-30 seconds
After take out；
S104, the hafnium filament of surface coating solder, oxygen-free copper weldment and ag-cu solder are assembled together, and are put into vacuum tube
Formula stove, vacuumizes, and brazing temperature, ag-cu solder fusing is heated to, then kept the temperature, cooled down, come out of the stove, specifically, first by vacuum
Tube furnace is evacuated to 10-1Pa is hereinafter, then backfilled with argon, then vacuumizes and recharge inert gas or nitrogen, after repeated multiple times
Vacuum pump persistently vacuumizes, and vacuum degree maintains 10 in vacuum tube furnace-1For Pa hereinafter, being heated to brazing temperature, ag-cu solder is molten
Change, is cooled to 200 DEG C hereinafter, turning off vacuum pump with vacuum tube furnace after appropriate heat preservation, opening boiler tube takes out brazed coupon, leads to
It crosses vacuum tube furnace to be brazed, not only protecting effect is good, avoids the oxidation of workpiece, and vacuum is conducive to purify liquid pricker
Material, brazed seam metal are purer, fine and close.
Compression test test is carried out after taking out brazed coupon, the room temperature shear strength of hafnium filament and oxygen-free copper weldment connector is
203 ± 22MPa, 100 DEG C of shear strengths are 188 ± 13MPa, meet Project Technical index request, and room temperature shearing is cut with 100 DEG C
The cracking for cutting sample is happened at the brazed seam metal interface of hafnium filament and ag-cu solder, in terms of section, hafnium filament and ag-cu solder
Brazed seam metal combines fine and close, secured, a degree of tearing phenomenon of ag-cu solder generation during Shear cracking.
A kind of ultrasonic wave assisted plasma cutting electrode vacuum soldering method of the present invention, by hafnium filament, oxygen-free copper weldment and silver
Copper solder is organically combined into an electrode entirety, improves the service life of electrode, by hafnium filament surface applying liquid solder,
Solve the problems, such as that hafnium filament weldering property is poor in the prior art, present invention soldering property is high, is conducive to hafnium filament and oxygen-free copper weldment realizes smelting
Gold combines, and conductivity and thermal conductivity are high, is conducive to radiate when electrode work, and have preferable corrosion resistance and good economy
Property and the feature of environmental protection, practicability are high.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, it will be understood by those of ordinary skill in the art that：Its according to
So can with technical scheme described in the above embodiments is modified, either to which part or all technical features into
Row equivalent replacement；And these modifications or replacements, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (8)
1. a kind of ultrasonic wave assisted plasma cutting electrode vacuum soldering method, it is characterised in that：Include the following steps：
S101, hafnium filament, oxygen-free copper weldment and ag-cu solder are cleaned；
S102, ag-cu solder and brazing flux are heated to melting, form liquid solder；
S103, the hafnium filament after cleaning is put into liquid solder, is taken out after ultrasonic vibration, make hafnium filament surface applying liquid pricker
Material；
S104, the hafnium filament of surface coating solder, oxygen-free copper weldment and ag-cu solder are assembled together, and are put into electron tubes type
Stove vacuumizes, and is heated to brazing temperature, ag-cu solder fusing, then kept the temperature, cooled down, come out of the stove.
2. a kind of ultrasonic wave assisted plasma cutting electrode vacuum soldering method according to claim 1, it is characterised in that：
Ag-cu solder is Ag72-Cu28 binary eutectic ag-cu solders in the step 1.
3. a kind of ultrasonic wave assisted plasma cutting electrode vacuum soldering method according to claim 1, it is characterised in that：
Specifically, hafnium filament, oxygen-free copper weldment and ag-cu solder are put into the beaker for filling ethyl alcohol in the step 1, beaker is put into
In supersonic cleaning machine, ultrasonic vibration is cleaned 15 minutes, and hot wind dries up rapidly after being taken out respectively with tweezers, is put into clean sample bag
It is interior spare.
4. a kind of ultrasonic wave assisted plasma cutting electrode vacuum soldering method according to claim 1, it is characterised in that：
Specifically, ag-cu solder and brazing flux are put into miniature smelting furnace crucible in the step 2, keep the temperature, is formed after being heated to fusing
Liquid solder.
5. a kind of ultrasonic wave assisted plasma cutting electrode vacuum soldering method according to claim 1, it is characterised in that：
Specifically, hafnium filament after cleaning is clamped in ultrasonic boom end in the step 3, and it is inserted into the liquid solder, ultrasonic vibration
It is taken out after 5-30 seconds.
6. a kind of ultrasonic wave assisted plasma cutting electrode vacuum soldering method according to claim 1, it is characterised in that：
It is vacuumized in the step 4 specifically, vacuum tube furnace is first evacuated to 10-1Pa is hereinafter, then backfilled with argon, then vacuumizes
With recharge inert gas or nitrogen, it is repeated multiple times after vacuum pump persistently vacuumize, vacuum degree maintains 10 in vacuum tube furnace-1Pa
Below.
7. a kind of ultrasonic wave assisted plasma cutting electrode vacuum soldering method according to claim 1, it is characterised in that：
In the step 4, cooling temperature is to 200 DEG C or less.
8. a kind of ultrasonic wave assisted plasma cutting electrode vacuum soldering method according to claim 1, it is characterised in that：
Silver-colored content is 50%-80% in the ag-cu solder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711010801.6A CN108723533A (en) | 2017-10-26 | 2017-10-26 | A kind of ultrasonic wave assisted plasma cutting electrode vacuum soldering method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711010801.6A CN108723533A (en) | 2017-10-26 | 2017-10-26 | A kind of ultrasonic wave assisted plasma cutting electrode vacuum soldering method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108723533A true CN108723533A (en) | 2018-11-02 |
Family
ID=63940219
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711010801.6A Pending CN108723533A (en) | 2017-10-26 | 2017-10-26 | A kind of ultrasonic wave assisted plasma cutting electrode vacuum soldering method |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1493430A (en) * | 2003-09-03 | 2004-05-05 | 上海市机械制造工艺研究所 | Plasma cutting electrode vacuum soldering method |
| CN102430827A (en) * | 2011-10-09 | 2012-05-02 | 上海工程技术大学 | Vacuum brazing method for plasma cutting electrode |
| CN103121143A (en) * | 2013-03-20 | 2013-05-29 | 安徽西锐重工科技有限公司 | Plasma cutting welding torch electrode and manufacturing method thereof |
| US8455786B2 (en) * | 2011-01-31 | 2013-06-04 | Wen-Yi FANG | Electrode head of the plasma cutting machine |
| CN103394798A (en) * | 2013-07-31 | 2013-11-20 | 常州特尔玛枪嘴有限公司 | Brazing type plasma electrode and manufacturing method thereof |
| CN105598541A (en) * | 2016-02-23 | 2016-05-25 | 深圳市昌龙盛机电技术有限公司 | Method for plating surfaces of Ni-Cr alloy wires with zinc at low temperature |
-
2017
- 2017-10-26 CN CN201711010801.6A patent/CN108723533A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1493430A (en) * | 2003-09-03 | 2004-05-05 | 上海市机械制造工艺研究所 | Plasma cutting electrode vacuum soldering method |
| US8455786B2 (en) * | 2011-01-31 | 2013-06-04 | Wen-Yi FANG | Electrode head of the plasma cutting machine |
| CN102430827A (en) * | 2011-10-09 | 2012-05-02 | 上海工程技术大学 | Vacuum brazing method for plasma cutting electrode |
| CN103121143A (en) * | 2013-03-20 | 2013-05-29 | 安徽西锐重工科技有限公司 | Plasma cutting welding torch electrode and manufacturing method thereof |
| CN103394798A (en) * | 2013-07-31 | 2013-11-20 | 常州特尔玛枪嘴有限公司 | Brazing type plasma electrode and manufacturing method thereof |
| CN105598541A (en) * | 2016-02-23 | 2016-05-25 | 深圳市昌龙盛机电技术有限公司 | Method for plating surfaces of Ni-Cr alloy wires with zinc at low temperature |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20181102 |