CN105880806A - TIG welding method of stator core - Google Patents
TIG welding method of stator core Download PDFInfo
- Publication number
- CN105880806A CN105880806A CN201610442070.1A CN201610442070A CN105880806A CN 105880806 A CN105880806 A CN 105880806A CN 201610442070 A CN201610442070 A CN 201610442070A CN 105880806 A CN105880806 A CN 105880806A
- Authority
- CN
- China
- Prior art keywords
- stator core
- welding
- tig
- welding machine
- silicon steel
- 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.)
- Granted
Links
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
- B23K9/00—Arc welding or cutting
- B23K9/16—Arc welding or cutting making use of shielding gas
- B23K9/167—Arc welding or cutting making use of shielding gas and of a non-consumable electrode
-
- 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
- B23K33/00—Specially-profiled edge portions of workpieces for making soldering or welding connections; Filling the seams formed thereby
- B23K33/004—Filling of continuous seams
-
- 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
- B23K9/00—Arc welding or cutting
- B23K9/095—Monitoring or automatic control of welding parameters
-
- 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
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/02—Iron or ferrous alloys
- B23K2103/04—Steel or steel alloys
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Arc Welding In General (AREA)
- Manufacture Of Motors, Generators (AREA)
- Nonmetallic Welding Materials (AREA)
Abstract
The invention belongs to the field of welding and provides a TIG welding method of a stator core. The stator core is formed by overlying J-coated non-oriented stamped silicon steel sheets, and a u-shaped groove formed by stator core punching is 8 mm wide and is 4.75 mm deep. Welding is performed by adopting an argon tungsten-arc welding machine positive-connection method, a welding gun tungsten electrode is connected with a negative electrode of a TIG welding machine, the stator core is connected with a positive electrode of the TIG welding machine, welding current is 160-170 A, the welding speed is 1.0-1.5 mm/s, argon gas flow is 10 L/min, welding wire model is O.K 12.51-Phi1.2 mm, the wire feeding speed is 2.5 mm/s, and the diameter of the tungsten electrode is Phi4.0 mm. The stator core formed by overlying the J-coated non-oriented stamped silicon steel sheets can be successively welded, an obtained weld joint is 4-6 mm wide, the fusion depth is 1.8-2.5 mm, a cross section of the weld joint can be full and uniform in width, and undercuts, pores, slag inclusion, cracks and other phenomena occurs rarely.
Description
Technical field
The invention belongs to welding field, particularly to the TIG of the motor stator core that J coating non-orientation silicon steel is overrided to form
Welding method.
Background technology
TIG weld method, i.e. Gas Tungsten Arc Welding, TIG weld method can the most additionally be added metal, is used in welding
On stator core, will not damage stator core, this is also the advantage place using TIG weld method welding iron core.
TIG weld method sees report already, and the most also has a wide range of applications.
TIG weld method requires that the material of welding has good electric conductivity, along with the development of motor technology, uses J to be coated with
The motor that the non-orientation silicon steel punching of layer produces has feature more energy efficient, in hgher efficiency, is also the trend of development, but J is coated with
The non-orientation silicon steel punching coating layer thickness of layer is about 3 μm, is 2-3 times of traditional silicon steel plate thickness, has lacking of electric conductivity difference
Point, uses traditional TIG weld parameter to be difficult to reach the requirement of stator core welding.
So, in prior art, the stator core utilizing the non-orientation silicon steel punching of J coating to make is had to wearing bar even
Connect, the method giving up welding.
Summary of the invention
The purpose of the present invention is aiming at disadvantages mentioned above, it is provided that a kind of can be by determining that the non-orientation silicon steel punching of J coating is made
Sub-iron core welds and reaches the TIG weld method of stator core of preferable welding effect.
The TIG weld method of stator core of the present invention is achieved in that a kind of TIG weld method of stator core, institute
The stator core stated is the stator core being overrided to form by the non-orientation silicon steel punching of J coating, the u shape slope that stator core stamping is made
Mouthful, its mesoslope width 8mm, the deep 4.75mm in slope；It is characterized in that: use the welding of TIG Welding Machine positive connection, welding gun tungsten electrode connects TIG weldering
Machine negative pole, stator core connects tig arc welding machine positive pole, welding current is 160A-170A, speed of welding is 1.0mm/s-1.5mm/s,
Argon flow amount is 10L/min, welding wire model is O.K12.51 Φ 1.2mm, wire feed rate 2.5mm/s, a diameter of Φ of tungsten electrode
4.0mm。
The invention has the beneficial effects as follows: the present invention can determining of being overrided to form of successfully welded J coating non-orientation silicon steel punching
Sub-iron core, and make section of weld joint full, width is uniform, undercut, pore, the phenomenon such as slag inclusion, crackle, the weldering obtained seldom occurs
Seam wide 4-6mm, fusion penetration 1.8-2.5mm, can meet the technological requirement of stator core.
Accompanying drawing explanation
Fig. 1 is the stator core that the present invention is to be welded.
Fig. 2 is the part A structure for amplifying schematic diagram in Fig. 1.
Wherein: 1, silicon steel punching 2, groove 3, groove.
Width H slope, D slope is deep.
Detailed description of the invention
Below in conjunction with embodiment, the invention will be further described.
TIG Welding Machine, i.e. tig arc welding machine.
Stator core used is the stator core that the non-orientation silicon steel punching 1 of J coating is overrided to form, non-orientation silicon steel
J coating belongs to half organic environment-friendly coating, and it (is the 2-3 of general half organic non-orientation silicon steel coating that its coating layer thickness is about 3 μm
Times), interface resistance is huge, has good insulating properties, so being favored by high-end motor equipment maker.But existing skill
In art, motor stator core can not use the stator core of TIG weld J coating material, and quality is not known where to begin especially.
Silicon steel punching is circular configuration, and periphery has connection groove 2, and multiple silicon steel punchings stack, and groove alignment is formed for
Groove 3, welding is welded at this groove, makes multiple silicon steel punching be fixed together.
Embodiment 1
Using TIG Welding Machine positive connection welding stator core, the u groove 2 that stator core stamping is made, its mesoslope width is
D8mm, the deep H in slope are same under 4.75mm(), welding gun tungsten electrode connects tig arc welding machine negative pole, and stator core connects tig arc welding machine positive pole, welding current
For 160A, speed of welding be 1.0mm/s, argon flow amount be 10L/min, welding wire model be O.K12.51 Φ 1.2mm, wire feed speed
Degree 2.5mm/s, tungsten electrode a diameter of Φ 4.0mm,
Becoming the first product after welding, the weld seam width 4-6mm obtained, fusion penetration 1.8-2.5mm, the first product has section of weld joint and satisfies
Full, width is uniform, undercut, pore, the phenomenon such as slag inclusion, crackle seldom occurs.
Embodiment 2
Use TIG Welding Machine positive connection welding stator core, the u groove that stator core stamping is made, its mesoslope width 8mm, slope
Deep 4.75mm；Welding gun tungsten electrode connects tig arc welding machine negative pole, and stator core connects tig arc welding machine positive pole, and welding current is 170A, speed of welding
For 1.5mm/s, argon flow amount be 10L/min, welding wire model be O.K12.51 Φ 1.2mm, wire feed rate 2.5mm/s, tungsten electrode
A diameter of Φ 4.0mm,
Becoming the second product after welding, the weld seam width 4-6mm obtained, fusion penetration 1.8-2.5mm, the second product has section of weld joint and satisfies
Full, width is uniform, undercut, pore, the phenomenon such as slag inclusion, crackle seldom occurs.
Embodiment 3
Using TIG Welding Machine positive connection welding stator core, stator core has the u groove that stator core stamping is made, its
Mesoslope width 8mm, the deep 4.75mm in slope；Welding gun tungsten electrode connects tig arc welding machine negative pole, and stator core connects tig arc welding machine positive pole, and welding current is
165A, speed of welding are 1.2mm/s, argon flow amount is 10L/min, welding wire model is O.K12.51 Φ 1.2mm, wire feed rate
2.5mm/s, tungsten electrode a diameter of Φ 4.0mm.
Becoming three products after welding, the weld seam width 4-6mm obtained, fusion penetration 1.8-2.5mm, three products have weld seam and cut
Face is full, and width is uniform, undercut, pore, the phenomenon such as slag inclusion, crackle seldom occurs.
Embodiment 4
Using TIG Welding Machine positive connection welding stator core, stator core has the u groove that punching becomes, its mesoslope width
8mm, the deep 4.75mm in slope；Welding gun tungsten electrode connects tig arc welding machine negative pole, and stator core connects tig arc welding machine positive pole, following arbitrary parameter drift-out with
Lower numerical value.
I.e. welding current be 160A-170A, speed of welding be 1.0mm/s-1.5mm/s, argon flow amount be 10L/min, weldering
Wire type number is O.K12.51 Φ 1.2mm, wire feed rate 2.5mm/s, tungsten electrode a diameter of Φ 4.0mm, these number in differ from one
Or multiple numerical value devious in the case of the product that partially obtains.
The 4th series of products are become after welding, the 4th series of products or there is undercut or have pore, or have folder
Slag or have the phenomenon of crackle, serious situation, even can not weld.
Claims (1)
1. a TIG weld method for stator core, described stator core be to be laminated by the non-orientation silicon steel punching of J coating and
The stator core become, the u groove that stator core stamping is made, its mesoslope width 8mm, the deep 4.75mm in slope；It is characterized in that: use tungsten electrode
The positive connection of argon arc welding machine is welded, and welding gun tungsten electrode connects tig arc welding machine negative pole, and stator core connects tig arc welding machine positive pole, and welding current is
160A-170A, speed of welding are 1.0mm/s-1.5mm/s, argon flow amount is 10L/min, welding wire model is O.K12.51 Φ
1.2mm, wire feed rate 2.5mm/s, tungsten electrode a diameter of Φ 4.0mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610442070.1A CN105880806B (en) | 2016-06-21 | 2016-06-21 | A kind of TIG weld method of stator core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610442070.1A CN105880806B (en) | 2016-06-21 | 2016-06-21 | A kind of TIG weld method of stator core |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105880806A true CN105880806A (en) | 2016-08-24 |
| CN105880806B CN105880806B (en) | 2018-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610442070.1A Active CN105880806B (en) | 2016-06-21 | 2016-06-21 | A kind of TIG weld method of stator core |
Country Status (1)
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5457103A (en) * | 1977-10-15 | 1979-05-08 | Mitsubishi Electric Corp | Method of producing motor with steel frame |
| JPH10166150A (en) * | 1996-12-03 | 1998-06-23 | Nippon Steel Corp | Manufacture of laminated iron core |
| CN101954525A (en) * | 2010-09-27 | 2011-01-26 | 东莞市大忠电子有限公司 | Argon-arc welding process of E1-type transformer iron core |
| CN103929021A (en) * | 2014-03-28 | 2014-07-16 | 福建闽光电机制造有限公司 | Tool of motor stator wire end argon arc welding |
| CN103962689A (en) * | 2014-03-24 | 2014-08-06 | 伟本机电（上海）有限公司 | Argon arc welding dedicated machine for lift motor stator core |
-
2016
- 2016-06-21 CN CN201610442070.1A patent/CN105880806B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5457103A (en) * | 1977-10-15 | 1979-05-08 | Mitsubishi Electric Corp | Method of producing motor with steel frame |
| JPH10166150A (en) * | 1996-12-03 | 1998-06-23 | Nippon Steel Corp | Manufacture of laminated iron core |
| CN101954525A (en) * | 2010-09-27 | 2011-01-26 | 东莞市大忠电子有限公司 | Argon-arc welding process of E1-type transformer iron core |
| CN103962689A (en) * | 2014-03-24 | 2014-08-06 | 伟本机电（上海）有限公司 | Argon arc welding dedicated machine for lift motor stator core |
| CN103929021A (en) * | 2014-03-28 | 2014-07-16 | 福建闽光电机制造有限公司 | Tool of motor stator wire end argon arc welding |
Non-Patent Citations (2)
| Title |
|---|
| 丰惠等: "浅谈冷轧无取向电工钢涂层的发展", 《安徽冶金》 * |
| 刘岳臣: "定子铁芯的氩弧焊", 《微电机》 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105880806B (en) | 2018-06-29 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: Changge City, Xuchang City, Henan province 461500 Weiwu Road, South East Wing Steel Stamping Co. Ltd. Applicant after: HENAN YONGRONG POWER TECHNOLOGY CO.,LTD. Address before: Changge City, Xuchang City, Henan province 461500 Weiwu Road, South East Wing Steel Stamping Co. Ltd. Applicant before: HENAN YONGRONG SILICON STEEL PUNCHING Co.,Ltd. |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 461500 east of the south section of Weiwu Avenue, Changge City, Xuchang City, Henan Province Patentee after: Henan Yongrong Power Co.,Ltd. Address before: Yongrong Silicon Steel Stamping Co., Ltd. on the east side of the south section of Weiwu Road, Changge City, Xuchang City, Henan Province, 461500 Patentee before: HENAN YONGRONG POWER TECHNOLOGY CO.,LTD. |