CN109664010A - A kind of energy storage seam weld welding method of wire mesh - Google Patents
A kind of energy storage seam weld welding method of wire mesh Download PDFInfo
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- CN109664010A CN109664010A CN201811543582.2A CN201811543582A CN109664010A CN 109664010 A CN109664010 A CN 109664010A CN 201811543582 A CN201811543582 A CN 201811543582A CN 109664010 A CN109664010 A CN 109664010A
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- welding
- energy storage
- weld
- seam weld
- storage seam
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Classifications
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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
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/08—Seam welding not restricted to one of the preceding subgroups
-
- 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
- B23K11/00—Resistance welding; Severing by resistance heating
-
- 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
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/002—Resistance welding; Severing by resistance heating specially adapted for particular articles or work
-
- 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
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/24—Electric supply or control circuits therefor
- B23K11/26—Storage discharge welding
-
- 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
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/36—Auxiliary equipment
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Resistance Welding (AREA)
- Wire Processing (AREA)
Abstract
The invention discloses a kind of energy storage seam weld welding methods of wire mesh, including step 1: cleaning pipe fitting to be welded, it chooses testpieces and carries out tack welding test weld and energy storage seam weld test weld and tearing test, determine the welding parameter of tack welding and the welding parameter of energy storage seam weld；Step 2: assembling pipe fitting to be welded while checking whether amount of lap is qualified, the pipe fitting to be welded of amount of lap qualification is then subjected to tack welding according to the welding parameter of tack welding；Step 3: the pipe fitting to be welded that tack welding is completed carries out energy storage seam weld according to the welding parameter of energy storage seam weld.The process route and technological parameter that engineer testing through the invention determines carry out energy storage tack welding and energy storage seam weld, welding quality is firm, weld appearance is beautiful, it avoids a large amount of welding and burns and burn phenomenon, for part qualification rate by being increased to 90% or more less than 50%, welding efficiency improves 3 times.
Description
Technical field
The invention belongs to welding technology fields, are related to a kind of energy storage seam weld welding method of wire mesh.
Background technique
Current fuel nozzle uses two-stage oily filter, and the strainer of secondary oily filter is using super thin metal silk screen welding structure.
Wire mesh form of presentation is that plain net weaves square hole net, A grades of accuracy class, mesh basic size and wire diameter all very littles,
All within the scope of a few tenths of a mm.
The part welding manner is energy storage lap seam welding, lap width, postwelding diameter of part, weld width, fusion length
In millimeter rank, simultaneously as part thickness is very thin, only 0.1mm.It finds in actual operation, using energy storage welding
Welding manner is welded, and easily occurs burning phenomenon in part tack welding and welding process, and then part is caused largely to be reported
Useless, qualification rate is less than 50%.
Summary of the invention
It is an object of the invention to overcome the above-mentioned prior art, a kind of energy storage seam weld welding of wire mesh is provided
Method.
In order to achieve the above objectives, the present invention is achieved by the following scheme:
A kind of energy storage seam weld welding method of wire mesh, comprising the following steps:
Step 1: cleaning pipe fitting to be welded, choose testpieces and carry out tack welding test weld and energy storage seam weld test weld and tear examination
It tests, determines the welding parameter of tack welding and the welding parameter of energy storage seam weld；
Step 2: assembling pipe fitting to be welded and check whether amount of lap is qualified, then by the pipe fitting to be welded of amount of lap qualification
Tack welding is carried out according to the welding parameter of tack welding；
Step 3: the pipe fitting to be welded that tack welding is completed carries out energy storage seam weld according to the welding parameter of energy storage seam weld.
A further improvement of the present invention lies in that:
Testpieces is carried out in step 1 to use DN-32 type inverter resistance spot welding machine, electrode pads diameter in tack welding test weld
For 1mm, number of welds is no less than at 5 points.
DN-32 type inverter resistance spot welding machine uses stored energy welding mode, and positioning welding electrode is chromium-zirconium-copper material.
The welding parameter of energy storage seam weld is determined in step 1 method particularly includes:
Energy storage seam weld test weld and tearing test are carried out to testpieces using 25KVA inversion electric resistance welder, determine energy storage seam weld
Welding parameter.
When carrying out test weld and tearing test to testpieces using 25KVA inversion electric resistance welder, the fusion length of test weld is many
In 10mm, that tears tears length not less than 8mm.
Pipe fitting to be welded is cleaned in step 1 to be cleaned using acetone as cleaning agent.
The acceptability limit of amount of lap in step 2 is 1.8~2.6mm.
Carry out tack welding method particularly includes:
Tack welding, the solder joint of tack welding are carried out according to the welding parameter of tack welding using DN-32 type inverter resistance spot welding machine
Quantity is no less than at 3 points, and the tack welding solder joint at weld seam both ends is not less than 1mm apart from part edge to be welded.
Step 3 method particularly includes:
The pipe fitting to be welded that tack welding is completed is packed into the inversion electric-resistance seam-welding machine on the plug of welding fixture and with 25KVA
Welding upper roller be aligned weld start position, then according to the welding parameter of energy storage seam weld treat soldering part carry out energy storage seam
Weldering.
Plug can install at least four pipe fitting to be welded.
Compared with prior art, the invention has the following advantages:
Tack welding test weld is carried out by choosing testpieces, determining tack welding welding parameter is obtained, by choosing testpieces
Energy storage seam weld test weld and tearing test are carried out, the welding parameter of determining energy storage seam weld is obtained；Meanwhile taking pipe fitting to be welded
The amount of connecing is controlled in acceptability limit by fine tuning and replacement；Make pipe fitting to be welded in the determining process route of engineer testing and work
Energy storage tack welding and energy storage seam weld are carried out under skill parameter, after the completion of welding, weld appearance is beautiful, and welding quality is firm, avoids
A large amount of welding is burnt and burn phenomenon, part qualification rate have been increased to 90% or more from less than 50%, have saved production cost,
Improve production efficiency.
Further, by lengthening the plug of original welding fixture, enable plug that at least four to be welded zero to be installed
Part makes welding efficiency obtain significant raising.
Detailed description of the invention
Fig. 1 is the energy storage seam weld welding method flow diagram of wire mesh of the invention.
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention
Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
The model that the present invention protects all should belong in member's every other embodiment obtained without making creative work
It encloses.
It should be noted that description and claims of this specification and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Data be interchangeable under appropriate circumstances, so as to the embodiment of the present invention described herein can in addition to illustrating herein or
Sequence other than those of description is implemented.In addition, term " includes " and " having " and their any deformation, it is intended that cover
Cover it is non-exclusive include, for example, the process, method, system, product or equipment for containing a series of steps or units are not necessarily limited to
Step or unit those of is clearly listed, but may include be not clearly listed or for these process, methods, product
Or other step or units that equipment is intrinsic.
The invention will be described in further detail with reference to the accompanying drawing:
Referring to Fig. 1, a kind of energy storage seam weld welding method of wire mesh of the present invention, comprising the following steps:
Step 1: cleaning pipe fitting to be welded, wire mesh is cleaned using cleaning agents such as acetone, especially weld seam position
It sets and is cleaned；Choose pipe fitting to be welded 5% carries out test weld and tearing test as testpieces, and to testpieces, and it is fixed to determine
The welding parameter of position weldering and the welding parameter of energy storage seam weld；Wherein it is determined that the welding parameter of tack welding method particularly includes: it uses
DN-32 type inverter resistance spot welding machine carries out test weld and tearing test to testpieces, and DN-32 type inverter resistance spot welding machine uses energy storage
Weldering mode determines the welding parameter of tack welding；Wherein, positioning welding electrode is manufactured using chromium-zirconium-copper, and electrode pads diameter is 1mm,
Number of welds is no less than at 5 points；Determine the welding parameter of energy storage seam weld method particularly includes: use 25KVA inversion electric-resistance seam-welding machine
Test weld and tearing test are carried out to testpieces, determine the welding parameter of energy storage seam weld, wherein the fusion length of test weld is no less than
10mm, that tears tears length not less than 8mm.
Step 2: it assembles pipe fitting to be welded while checking whether amount of lap is qualified, the acceptability limit of amount of lap is 1.8~
Then the pipe fitting to be welded of amount of lap qualification is carried out tack welding according to the welding parameter of tack welding by 2.6mm；Carry out tack welding
Method particularly includes: tack welding, the weldering of tack welding are carried out according to the welding parameter of tack welding using DN-32 type inverter resistance spot welding machine
Point quantity is no less than at 3 points, and the tack weld at weld seam both ends is not less than 1mm apart from part edge to be welded.
Step 3: the pipe fitting to be welded that tack welding is completed is packed into the inversion resistance on the plug of welding fixture and with 25KVA
The welding upper roller of seam welder is directed at weld start position, then treats soldering part according to the welding parameter of energy storage seam weld and carries out
Energy storage seam weld.Wherein, the more original plug of the plug of welding fixture is lengthened, and can satisfy the need of once 4 parts of welding
It asks.
The strainer of the secondary oily filter of pipe fitting aero-engine fuel nozzle to be welded in the present embodiment, strainer is using super
Thin wire mesh welding structure, material 0Cr18Ni9, form of presentation be plain net weave square hole net, A grades of accuracy class, mesh base
This is 1.8-2.6mm, postwelding diameter of part having a size of 0.15mm, wire diameter 0.1mm, the welded lap width of the part
For 18.5mm, weld width 1.5mm, fusion length about 13mm, part thickness is only 0.1mm.Specific welding step is as follows:
(1) it cleans part: being cleaned using the wire mesh that the cleaning agents such as acetone weld needs, especially weld seam position
It sets and is cleaned, guarantee that weld seam position is adhered to without greasy dirt and impurity.
(2) it determines tack welding welding parameter: test weld being carried out using testpieces, positioning welding electrode is manufactured using chromium-zirconium-copper, electricity
Pole spot size is 1mm, and number of welds is no less than at 5 points, and observation weld appearance is not allow for burn, burns, the viscous damage in surface, crackle
The defects of, determine the welding parameter of energy storage tack welding.Welding machine mode uses stored energy welding mode；Determining tack welding welding parameter:
1 grade of power series, pulse 5ms, 50% that welding heat is welding machine rated heat, squeeze time 300ms, hold time 100ms.
(3) it Assembly part and checks welded lap amount: part being packed on the chromium-zirconium-copper plug of welding fixture, be wrapped to form
Cylinder, guarantee are bonded closely with plug, and the amount of lap of weld seam should be in the range of 1.8-2.6mm, and side is qualification.
(4) it energy storage tack welding: in the case where amount of lap meets the requirements, is welded using the tack welding determined in step (2)
Parameter carries out tack welding to part, and number of welds is no less than at 3 points, and both ends solder joint is not less than 1mm apart from part edge.
(5) it determines energy storage seam weld parameter: energy storage seam weld test weld being carried out using testpieces, welding machine is electric using the inversion of 25KVA
Hinder seam welder；The design parameter of welding machine is set are as follows: welding roll diameter 115mm, tip width 1.5mm, roller material are chromium zirconium
Copper, fusion length are no less than 10mm, and postwelding checks that accessory appearance is not allow for burn, burn-through, serious surface viscous damage, crackle etc.
Defect carries out tearing test in the case where weld appearance qualification, tears length not less than 8mm.Determine the welding of energy storage seam weld
Parameter: 3 grades of power series, pressure 0.2Mp, pre- thermocurrent 1.4KA, pressing time 50ms, preheating time 7ms, squeeze time
1000ms, weld pulse 1, speed of welding 2mm/s.
(6) stored energy welding seam weld: 4 parts are packed on the plug of welding fixture, on the inversion electric-resistance seam-welding machine of 25KVA
Idler wheel is directed at weld start position, carries out energy storage seam weld using the welding parameter determined in step (6).
(7) postwelding is examined: the welding quality of visual inspection part energy storage weld seam, weld appearance do not burn, burn, seriously
The viscous damage in surface, crackle and the defects of the weld seam splashings that do not eliminate, reach weldquality requirement.
The process route and technological parameter that engineer testing through the invention determines carry out energy storage tack welding and energy storage seam weld,
Welding quality is firm, and weld appearance is beautiful, avoids a large amount of welding and burns and burn phenomenon, part qualification rate is by less than 50%
It has been increased to 90% or more, by the improvement of welding fixture, 4 parts of clamped one time has been changed to by 1 part of clamped one time, have been made
Welding efficiency improves 3 times.
The above content is merely illustrative of the invention's technical idea, and this does not limit the scope of protection of the present invention, all to press
According to technical idea proposed by the present invention, any changes made on the basis of the technical scheme each falls within claims of the present invention
Protection scope within.
Claims (10)
1. a kind of energy storage seam weld welding method of wire mesh, which comprises the following steps:
Step 1: pipe fitting to be welded is cleaned, testpieces is chosen and carries out tack welding test weld and energy storage seam weld test weld and tearing test,
Determine the welding parameter of tack welding and the welding parameter of energy storage seam weld；
Step 2: assemble pipe fitting to be welded and check whether amount of lap qualified, then by the pipe fitting to be welded of amount of lap qualification according to
The welding parameter of tack welding carries out tack welding；
Step 3: the pipe fitting to be welded that tack welding is completed carries out energy storage seam weld according to the welding parameter of energy storage seam weld.
2. the energy storage seam weld welding method of wire mesh according to claim 1, which is characterized in that right in the step 1
Testpieces carries out using DN-32 type inverter resistance spot welding machine in tack welding test weld, and electrode pads diameter is 1mm, and number of welds is not
Less than 5 points.
3. the energy storage seam weld welding method of wire mesh according to claim 2, which is characterized in that the DN-32 type is inverse
Become resistance spot weld and use stored energy welding mode, positioning welding electrode is chromium-zirconium-copper material.
4. the energy storage seam weld welding method of wire mesh according to claim 1, which is characterized in that in the step 1 really
Determine the welding parameter of energy storage seam weld method particularly includes:
Energy storage seam weld test weld and tearing test are carried out to testpieces using 25KVA inversion electric resistance welder, determine the weldering of energy storage seam weld
Connect parameter.
5. the energy storage seam weld welding method of wire mesh according to claim 4, which is characterized in that described to use 25KVA
When inversion electric resistance welder carries out test weld and tearing test to testpieces, the fusion length of test weld is no less than 10mm, and that tears tears
Length is not less than 8mm.
6. the energy storage seam weld welding method of wire mesh according to claim 1, which is characterized in that clear in the step 1
Pipe fitting to be welded is washed to be cleaned using acetone as cleaning agent.
7. the energy storage seam weld welding method of wire mesh according to claim 1, which is characterized in that in the step 2
The acceptability limit of amount of lap is 1.8~2.6mm.
8. the energy storage seam weld welding method of wire mesh according to claim 1, which is characterized in that the carry out tack welding
Method particularly includes:
Tack welding, the number of welds of tack welding are carried out according to the welding parameter of tack welding using DN-32 type inverter resistance spot welding machine
No less than 3 points, the tack welding solder joint at weld seam both ends is not less than 1mm apart from part edge to be welded.
9. the energy storage seam weld welding method of wire mesh according to claim 1, which is characterized in that the tool of the step 3
Body method are as follows:
The pipe fitting to be welded that tack welding is completed is packed into the weldering on the plug of welding fixture and with the inversion electric-resistance seam-welding machine of 25KVA
Idler wheel alignment weld start position is connected, soldering part is then treated according to the welding parameter of energy storage seam weld and carries out energy storage seam weld.
10. the energy storage seam weld welding method of wire mesh according to claim 9, which is characterized in that the plug can
At least four pipe fitting to be welded is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811543582.2A CN109664010B (en) | 2018-12-17 | 2018-12-17 | Energy storage seam welding method for wire mesh |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811543582.2A CN109664010B (en) | 2018-12-17 | 2018-12-17 | Energy storage seam welding method for wire mesh |
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| CN109664010A true CN109664010A (en) | 2019-04-23 |
| CN109664010B CN109664010B (en) | 2021-02-19 |
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| JP4980503B2 (en) * | 2010-04-07 | 2012-07-18 | 新日本製鐵株式会社 | Fracture analysis method, apparatus, program and computer-readable recording medium for spot welded portion |
| CN102962627A (en) * | 2012-10-30 | 2013-03-13 | 西安航空动力股份有限公司 | Repair method for aero-engine fan casing borescope base |
| CN105787236A (en) * | 2014-09-17 | 2016-07-20 | 现代自动车株式会社 | Method Of Analyzing Bonded Part Durability Test Result Data |
| CN106030276A (en) * | 2014-03-13 | 2016-10-12 | 三菱日立电力系统株式会社 | Creep speed distribution evaluation method |
| CN107250758A (en) * | 2015-02-26 | 2017-10-13 | 新日铁住金株式会社 | Breakage prediction method, fracture predicting device, program, recording medium and fracture discrimination standard computational methods |
| CN206732348U (en) * | 2017-05-09 | 2017-12-12 | 广州协鸿工业机器人技术有限公司 | Safety guard net welder |
-
2018
- 2018-12-17 CN CN201811543582.2A patent/CN109664010B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4980503B2 (en) * | 2010-04-07 | 2012-07-18 | 新日本製鐵株式会社 | Fracture analysis method, apparatus, program and computer-readable recording medium for spot welded portion |
| CN102962627A (en) * | 2012-10-30 | 2013-03-13 | 西安航空动力股份有限公司 | Repair method for aero-engine fan casing borescope base |
| CN106030276A (en) * | 2014-03-13 | 2016-10-12 | 三菱日立电力系统株式会社 | Creep speed distribution evaluation method |
| CN105787236A (en) * | 2014-09-17 | 2016-07-20 | 现代自动车株式会社 | Method Of Analyzing Bonded Part Durability Test Result Data |
| CN107250758A (en) * | 2015-02-26 | 2017-10-13 | 新日铁住金株式会社 | Breakage prediction method, fracture predicting device, program, recording medium and fracture discrimination standard computational methods |
| CN206732348U (en) * | 2017-05-09 | 2017-12-12 | 广州协鸿工业机器人技术有限公司 | Safety guard net welder |
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