CN107099642B - Immersion feeds silk braid pipe, wire feeder and feeds silk method - Google Patents
Immersion feeds silk braid pipe, wire feeder and feeds silk method Download PDFInfo
- Publication number
- CN107099642B CN107099642B CN201710287889.XA CN201710287889A CN107099642B CN 107099642 B CN107099642 B CN 107099642B CN 201710287889 A CN201710287889 A CN 201710287889A CN 107099642 B CN107099642 B CN 107099642B
- Authority
- CN
- China
- Prior art keywords
- inner sleeve
- outer tube
- silk
- immersion
- drive device
- 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.)
- Active
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/0056—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00 using cored wires
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Treatment Of Steel In Its Molten State (AREA)
Abstract
The invention belongs to field of metallurgy, it specifically discloses a kind of immersion to feed silk braid pipe, wire feeder and feed silk method, it is intended to solve the problems, such as that feed the progress line feeding of silk thread made of noble element of the silk conduit to easy scaling loss poor and relatively low there are recovery rate stability using existing.Immersion feeds silk braid pipe, including inner sleeve, the outer tube being sleeved on inner sleeve and housing tube drive device；It is provided with the portion of striking off on the outer surface of inner sleeve, portion is struck off and is slidably connected with outer tube；Housing tube drive device is connected with outer tube, and outer tube can be driven along the axial movement of inner sleeve.Wire feeder includes that above-mentioned immersion feeds silk braid pipe.Feeding silk method is the method for carrying out line feeding using above-mentioned wire feeder.The line feeding of silk braid pipe is fed using above-mentioned immersion, not only can satisfy the line feeding requirement of normal silk thread, but also can satisfy the line feeding requirement of special silk thread made of the noble element of easy scaling loss, and the recovery rate of special silk thread line feeding can be significantly improved.
Description
Technical field
The invention belongs to field of metallurgy, and in particular to a kind of immersion feeds silk braid pipe, wire feeder and feeds silk method.
Background technique
Ladle feeding line technology is the another metallurgical spraying technique to grow up after steel spraying powder, external 70 years 20th century
Iron packet calcium is just manufactured experimently for initial stage, iron alclad line technology carries out ladle feeding line.Identical with the technology of dusting to be, wire-feeding technique is also
Metal or alloy pulvis is sent into molten bath depths, then so that the material into molten bath melted rapidly, dissolved by Gas Stirring and
Reaction；With the technology of dusting it is different be wire-feeding technique be silk thread made of metal or alloy pulvis is sent into feeding wire machine it is molten
Pond depths, stirring gas is introduced separately into molten bath.When line feeding metal or alloy enter molten bath position, speed and quantity it is all direct
It is related to metallurgical effect, and the determination of these parameters depends primarily on the heating of core wire, fusion process.
During line feeding, silk thread is sent into the depths in molten bath using hello silk conduit by wire feeder, in order to avoid the steel in molten bath
Water-setting forms steel slag or residual steel and blocks the lower end for feeding silk conduit, feeds silk conduit and does not immerse in molten steel, existing wire feeder is all adopted
Silk thread is fed with the mode for feeding silk conduit hanging liquid steel level, this line feeding mode is simple to operation, is able to satisfy most of silk thread
Feeding requirement.But between lower end and liquid steel level due to feeding silk conduit, there is also a certain distance, for some easy burnings
The control of the noble element (such as: calcium, rare earth, titanium) of damage has that recovery rate stability is poor, relatively low.
Summary of the invention
The present invention provides a kind of immersions to feed silk braid pipe, it is intended to solve using existing silk conduit of feeding to the expensive of easy scaling loss
Silk thread made of heavy element carries out there is a problem of that recovery rate stability is poor and relatively low when line feeding.
The technical solution adopted by the present invention to solve the technical problems is: immersion feeds silk braid pipe, including can be with wire feeder
Feed inner sleeve, the outer tube and housing tube drive device that are sleeved on inner sleeve that silk conduit is slidably connected；The inner sleeve
The portion of striking off is provided on the outer surface of pipe, the portion of striking off is slidably connected with outer tube；The housing tube drive device and housing
Pipe is connected, and outer tube can be driven along the axial movement of inner sleeve.
Further, the immersion feed silk braid pipe further include inner sleeve tube drive device, the inner sleeve tube drive device with
Inner sleeve is connected, and inner sleeve can be driven along the axial movement of outer tube.
Further, described, to strike off portion tapered.
Further, the portion of striking off is made of wolfram steel.
Further, the portion of striking off is an integral structure with inner sleeve.
Further, the portion of striking off is enclosed along the periphery of inner sleeve setting one, and it is located at the lower end of inner sleeve.
Further, the edge of the end face for striking off subordinate end has been downwardly extending cutting edge, the cutting edge
Cutting edge match in a ring and with the inner circumferential of outer tube.
Further, being connected between the cutting edge and the end face for striking off subordinate end by arc transition.
The present invention also provides a kind of wire feeders, feed silk braid pipe including feeding silk conduit and any one above-mentioned immersion；
The immersion feeds silk braid pipe and is slidably connected together by inner sleeve with silk conduit is fed.
The present invention also provides one kind to feed silk method, and this method is using above-mentioned wire feeder to the noble element system of easy scaling loss
At silk thread carry out line feeding, including the following steps:
Step 1 drives housing by housing tube drive device after molten steel composition and temperature after the adjustment of LF process is qualified
Pipe along inner sleeve axial downward movement, until the lower end of outer tube stretches to 100~200mm of liquid steel level or less；
Step 2 feeds silk thread, and wire-feeding velocity is controlled in 4~8m/s, line feeding process soft blow argon gas；
Step 3 after line feeding, drives outer tube along the moved axially upward of inner sleeve by housing tube drive device,
The lower end of outer tube is set to leave molten steel；Then, drive inner sleeve along the axial past up and down of outer tube by inner sleeve tube drive device
Multiple movement, the steel slag adhered on outer sleeve inner wall and residual steel are removed.
The beneficial effects of the present invention are: feeding silk braid pipe using the immersion carries out line feeding, normal silk thread both can satisfy
Line feeding requirement, and can satisfy the line feeding requirement of special silk thread made of the noble element of easy scaling loss；Need to special silk thread into
When row line feeding, feeds the immersion to silk braid pipe and be slidably connected on hello the silk conduit of wire feeder, driven by housing tube drive device
Make axial downward movement of the outer tube along inner sleeve, so that the lower end of outer tube is stretched to liquid steel level or less progress immersion and feed
Line can significantly improve the recovery rate of special silk thread line feeding, and stability is preferable；Such as: feeding silk braid pipe to calcium by the immersion
Line carries out immersion line feeding so that the recovery rate of calcium line by pervious 8%~33% (average 25%), be increased to 20%~
41% (average 28%).
Detailed description of the invention
Fig. 1 is a kind of implementation structural schematic diagram for embodiment that immersion feeds silk braid pipe in the present invention；
Fig. 2 is the implementation structural schematic diagram for the another embodiment that immersion feeds silk braid pipe in the present invention；
In the figure, it is marked as inner sleeve 100, striking off portion 110, cutting edge 111, outer tube 200.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings.
As shown in Figure 1, immersion feed silk braid pipe, including can with wire feeder feed silk conduit be slidably connected inner sleeve 100,
The outer tube 200 and housing tube drive device being sleeved on inner sleeve 100；It is provided on the outer surface of the inner sleeve 100
Portion 110 is struck off, the portion 110 of striking off is slidably connected with outer tube 200；The housing tube drive device is connected with outer tube 200,
And outer tube 200 can be driven along the axial movement of inner sleeve 100.
The immersion hello silk braid pipe generally passes through inner sleeve 100 and the silk conduit of feeding of wire feeder is slidably connected；For the ease of
Immersion feeds the replacement of silk braid pipe, usually also sets dismountable for the connection type between inner sleeve 100 and hello silk conduit
Connection type, and dynamic sealing is provided at this on connecting portion.Wherein, inner sleeve 100 is set in together with outer tube 200,
And it each other can relative telescopic sliding.
After protruding into after molten steel and stretch out again due to outer tube 200, often have molten steel be attached on outer tube 200 formed steel slag or
Residual steel, it is therefore desirable to which setting strikes off portion 110 and removes the steel slag adhered on 200 inner wall of outer tube and residual steel, avoids outer tube 200
Blocking；Make outer tube 200 and the opposite sliding of inner sleeve 100 in this way, the portion of striking off 110 can be made to remove steel slag and residual steel；It strikes off
Portion 110 generallys use the material production of high temperature resistant and high intensity, is preferably made of wolfram steel；In order to guarantee the structure in the portion of striking off 110
The material used is reduced while intensity, can will be struck off portion 110 and is set as pyramidal structure shown in Fig. 1；Striking off portion 110 can be with
It is that welding is set on inner sleeve 100, is also possible to that the structure being integrated is arranged with inner sleeve 100, i.e., adds to inner sleeve 100
The portion of striking off 110 is directly processed during work.Strike off between portion 110 and outer tube 200 be slidably connected can there are many implement
Mode, such as: it strikes off portion 110 and is connect with 200 clearance fit of outer tube, strike off portion 110 and outer tube 200 and connected by linear bearing
It connects, the guide rail of protrusion is set on 200 inner surface of outer tube, strikes off sliding slot and guide rail is slidably connected or housing is set in portion 110
Dovetail groove is set on 200 inner surface of pipe, is struck off and dovetail configuration and dovetail groove are set in portion 110 are slidably connected etc..
Housing tube drive device may be generally mounted on wire feeder or be placed outside in rack, be used for drive outer casing 200
It is flexible；Housing tube drive device can be a variety of, such as: telescopic oil cylinder, telescopic cylinder, piston cylinder or other there is flexible function
The component or device of energy.
Since the intensity of the attachment connecting portion of steel slag or residual steel on outer tube 200 is usually larger, in order to guarantee to strike off
Portion 110 can smoothly remove it, and it further includes having inner sleeve tube drive device that the general immersion, which feeds silk braid pipe, and the inner sleeve drives
Dynamic device is connected with inner sleeve 100, and inner sleeve 100 can be driven along the axial movement of outer tube 200.Inner sleeve tube drive device is logical
It often may be mounted inside outer tube 200 on perhaps wire feeder or be placed outside in rack；Inner sleeve tube drive device can also be with
It is a variety of, such as: telescopic oil cylinder, telescopic cylinder, piston cylinder or other components or device with Telescopic.Remove steel slag or
During residual steel, keep outer tube 200 stationary, using inner sleeve tube drive device driving inner sleeve 100 along the axis of outer tube 200
Steel slag or residual steel are removed by the portion of striking off 110 in turn to moving up and down.
In order to guarantee to remove the effect of steel slag and residual steel, the portion 110 of striking off is enclosed along the periphery of inner sleeve 100 setting one,
And it is located at the lower end of inner sleeve 100.
As a preferred solution of the present invention, as shown in Fig. 2, the edge of the end face for striking off 110 lower end of portion is downward
Cutting edge 111 is extended to form, the cutting edge of the cutting edge 111 matches in a ring and with the inner circumferential of outer tube 200.By cutting
Attachment connection between steel slag or residual steel and 200 inner surface of outer tube can be cut off by cutting sword 111, be conducive to quickly removal steel slag and residual
Steel.For save the cost, the cutting edge being detachably connected with it can also be set, so as to 111 cutting edge of cutting edge damage on cutting edge 111
It is replaced when bad or failure, conducive to original inner sleeve 100 and strikes off the reuse of portion 110.
On the basis of the above, in order to guarantee the intensity of cutting edge 111, the cutting edge 111 and the end for striking off 110 lower end of portion
It is connected between face by arc transition.Arc transition position for connection can also lead the steel slag of excision and residual steel
To avoiding its splashing.
The present invention also provides one kind can meet feeding for the line feeding requirement of special silk thread made of the noble element of easy scaling loss
Silk machine comprising feed silk conduit and any one above-mentioned immersion feeds silk braid pipe；The immersion feeds silk braid pipe and passes through inner sleeve
Pipe 100 is slidably connected together with silk conduit is fed.
Using hello the silk method of the progress line feeding of silk thread made of noble element of the above-mentioned wire feeder to easy scaling loss, including under
Column step:
Step 1 drives housing by housing tube drive device after molten steel composition and temperature after the adjustment of LF process is qualified
Pipe 200 along inner sleeve 100 axial downward movement, until outer tube 200 lower end stretch to liquid steel level or less 100~
Until 200mm；
Step 2 feeds silk thread, and wire-feeding velocity is controlled in 4~8m/s, line feeding process soft blow argon gas；
Step 3, after line feeding, by housing tube drive device drive outer tube 200 along inner sleeve 100 it is axial to
Upper movement makes the lower end of outer tube 200 leave molten steel；Then, drive inner sleeve 100 along outer tube by inner sleeve tube drive device
200 axial direction pumps, and the steel slag adhered on 200 inner wall of outer tube and residual steel are removed.
After usual line feeding, then to can sample detection after molten steel soft blow 5 minutes or more time.
Embodiment 1
Hello the silk method of line feeding is carried out to calcium line using above-mentioned wire feeder, including the following steps:
1) outer tube 200 is driven by housing tube drive device after the adjustment of LF process is qualified after molten steel composition and temperature
Along the axial downward movement of inner sleeve 100, until the lower end of outer tube 200 stretches to liquid steel level or less 150mm；
2) calcium line is fed, wire-feeding velocity is controlled in 4~8m/s, line feeding process soft blow argon gas；
3) after line feeding, axially upwards fortune of the outer tube 200 along inner sleeve 100 is driven by housing tube drive device
It is dynamic, so that the lower end of outer tube 200 is left molten steel；Then, drive inner sleeve 100 along outer tube 200 by inner sleeve tube drive device
Axial direction pump, the steel slag adhered on 200 inner wall of outer tube and residual steel are removed；
4) after line feeding, then to molten steel soft blow 5 minutes or more and sample detect.
As a result: sampled detection, the recovery rate of 1 line feeding of embodiment are 37%, hence it is evident that higher than using traditional wire feeder into
The average recovery rate of row line feeding is 25% using the average recovery rate that traditional wire feeder carries out line feeding.
Embodiment 2
Hello the silk method of line feeding is carried out to calcium line using above-mentioned wire feeder, including the following steps:
1) outer tube 200 is driven by housing tube drive device after the adjustment of LF process is qualified after molten steel composition and temperature
Along the axial downward movement of inner sleeve 100, until the lower end of outer tube 200 stretches to liquid steel level or less 200mm；
2) calcium line is fed, wire-feeding velocity is controlled in 4~8m/s, line feeding process soft blow argon gas；
3) after line feeding, axially upwards fortune of the outer tube 200 along inner sleeve 100 is driven by housing tube drive device
It is dynamic, so that the lower end of outer tube 200 is left molten steel；Then, drive inner sleeve 100 along outer tube 200 by inner sleeve tube drive device
Axial direction pump, the steel slag adhered on 200 inner wall of outer tube and residual steel are removed；
4) after line feeding, then to molten steel soft blow 5 minutes or more and sample detect.
As a result: sampled detection, the recovery rate of 2 line feeding of embodiment are 41%, hence it is evident that higher than using traditional wire feeder into
The average recovery rate of row line feeding.
Embodiment 3
Hello the silk method of line feeding is carried out to calcium line using above-mentioned wire feeder, including the following steps:
1) outer tube 200 is driven by housing tube drive device after the adjustment of LF process is qualified after molten steel composition and temperature
Along the axial downward movement of inner sleeve 100, until the lower end of outer tube 100 stretches to liquid steel level or less 100mm；
2) calcium line is fed, wire-feeding velocity is controlled in 4~8m/s, line feeding process soft blow argon gas；
3) after line feeding, axially upwards fortune of the outer tube 200 along inner sleeve 100 is driven by housing tube drive device
It is dynamic, so that the lower end of outer tube 200 is left molten steel；Then, drive inner sleeve 100 along outer tube 200 by inner sleeve tube drive device
Axial direction pump, the steel slag adhered on 200 inner wall of outer tube and residual steel are removed；
4) after line feeding, then to molten steel soft blow 5 minutes or more and sample detect.
As a result: sampled detection, the recovery rate of 3 line feeding of embodiment are 27%, are fed higher than using traditional wire feeder
The average recovery rate of line.
Claims (9)
1. immersion feeds silk braid pipe, it is characterised in that: including the inner sleeve that can be slidably connected with hello the silk conduit of wire feeder
(100), outer tube (200), housing tube drive device and the inner sleeve tube drive device being sleeved on inner sleeve (100)；It is described
It is provided on the outer surface of inner sleeve (100) portion of striking off (110), the portion (110) of striking off is slidably connected with outer tube (200)；
The housing tube drive device is connected with outer tube (200), and can drive axial direction fortune of the outer tube (200) along inner sleeve (100)
It is dynamic；The inner sleeve tube drive device is connected with inner sleeve (100), and inner sleeve (100) can be driven along the axial direction of outer tube (200)
Movement.
2. immersion as described in claim 1 feeds silk braid pipe, it is characterised in that: described to strike off portion (110) tapered.
3. immersion as described in claim 1 feeds silk braid pipe, it is characterised in that: the portion (110) of striking off is made of wolfram steel.
4. immersion as described in claim 1 feeds silk braid pipe, it is characterised in that: described to strike off portion (110) and inner sleeve (100)
It is an integral structure.
5. the immersion as described in claim 1,2,3 or 4 feeds silk braid pipe, it is characterised in that: the portion (110) of striking off is along inner sleeve
One circle of periphery setting of (100) is managed, and is located at the lower end of inner sleeve (100).
6. immersion as claimed in claim 5 feeds silk braid pipe, it is characterised in that: the end face for striking off portion (110) lower end
Edge has been downwardly extending cutting edge (111), and the cutting edge of the cutting edge (111) is interior in a ring and with outer tube (200)
Week matches.
7. immersion as claimed in claim 6 feeds silk braid pipe, it is characterised in that: the cutting edge (111) and strike off portion (110)
It is connected between the end face of lower end by arc transition.
8. wire feeder, including feed silk conduit, it is characterised in that: it further include immersing as claimed in any of claims 1 to 7 in one of claims
Formula feeds silk braid pipe；The immersion feeds silk braid pipe and is slidably connected together by inner sleeve (100) with silk conduit is fed.
9. feeding silk method, it is characterised in that: use silk made of noble element of the wire feeder according to any one of claims 8 to easy scaling loss
Line carries out line feeding, including the following steps:
Step 1 drives outer tube by housing tube drive device after molten steel composition and temperature after the adjustment of LF process is qualified
(200) along the axial downward movement of inner sleeve (100), until the lower end of outer tube (200) stretch to liquid steel level or less 100~
Until 200mm；
Step 2 feeds silk thread, and wire-feeding velocity is controlled in 4~8m/s, line feeding process soft blow argon gas；
Step 3, after line feeding, by housing tube drive device drive outer tube (200) along inner sleeve (100) it is axial to
Upper movement makes the lower end of outer tube (200) leave molten steel；Then, drive inner sleeve (100) along outer by inner sleeve tube drive device
The axial direction of casing (200) pumps, and the steel slag adhered on outer tube (200) inner wall and residual steel are removed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710287889.XA CN107099642B (en) | 2017-04-27 | 2017-04-27 | Immersion feeds silk braid pipe, wire feeder and feeds silk method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710287889.XA CN107099642B (en) | 2017-04-27 | 2017-04-27 | Immersion feeds silk braid pipe, wire feeder and feeds silk method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107099642A CN107099642A (en) | 2017-08-29 |
| CN107099642B true CN107099642B (en) | 2019-01-15 |
Family
ID=59657351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710287889.XA Active CN107099642B (en) | 2017-04-27 | 2017-04-27 | Immersion feeds silk braid pipe, wire feeder and feeds silk method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107099642B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115679040A (en) * | 2022-11-21 | 2023-02-03 | 盐城市联鑫钢铁有限公司 | Calcium treatment device and technology for high-aluminum steel by introduction method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS49104817A (en) * | 1973-02-09 | 1974-10-03 | ||
| SE7706758L (en) * | 1976-07-28 | 1978-01-29 | Mannesmann Ag | PROCEDURE CONTINUOUSLY INFORM THE APPLIANCE IN A LIQUID METAL FILLED CONTAINER AND DEVICE FOR PERFORMING THE KIT |
| US4705261A (en) * | 1986-11-28 | 1987-11-10 | Pfizer Inc. | Wire injection nozzle |
| CN101713016A (en) * | 2008-10-01 | 2010-05-26 | 英特科特殊熔炼技术有限责任公司 | Lance duct for vacuum treatment systems |
| KR20120057968A (en) * | 2010-11-29 | 2012-06-07 | 현대제철 주식회사 | apparatus for guiding supply path of calcium wire for ladle |
| CN203170935U (en) * | 2013-03-28 | 2013-09-04 | 鞍钢股份有限公司 | Immersion-type wire feeding pipe |
| CN103276146A (en) * | 2013-05-23 | 2013-09-04 | 湖北亚克新材料有限公司 | Efficient anti-blocking quickly-replaceable immersive wire feeding sleeve and method |
| CN104087712A (en) * | 2006-10-03 | 2014-10-08 | 阿菲瓦尔公司 | Method and installation for introducing cored wire into bath of molten metal |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010010181A1 (en) * | 1997-05-30 | 2001-08-02 | Peter Zasowski | Method and system for producing steel having low nitrogen content |
-
2017
- 2017-04-27 CN CN201710287889.XA patent/CN107099642B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS49104817A (en) * | 1973-02-09 | 1974-10-03 | ||
| SE7706758L (en) * | 1976-07-28 | 1978-01-29 | Mannesmann Ag | PROCEDURE CONTINUOUSLY INFORM THE APPLIANCE IN A LIQUID METAL FILLED CONTAINER AND DEVICE FOR PERFORMING THE KIT |
| US4705261A (en) * | 1986-11-28 | 1987-11-10 | Pfizer Inc. | Wire injection nozzle |
| CN104087712A (en) * | 2006-10-03 | 2014-10-08 | 阿菲瓦尔公司 | Method and installation for introducing cored wire into bath of molten metal |
| CN101713016A (en) * | 2008-10-01 | 2010-05-26 | 英特科特殊熔炼技术有限责任公司 | Lance duct for vacuum treatment systems |
| KR20120057968A (en) * | 2010-11-29 | 2012-06-07 | 현대제철 주식회사 | apparatus for guiding supply path of calcium wire for ladle |
| CN203170935U (en) * | 2013-03-28 | 2013-09-04 | 鞍钢股份有限公司 | Immersion-type wire feeding pipe |
| CN103276146A (en) * | 2013-05-23 | 2013-09-04 | 湖北亚克新材料有限公司 | Efficient anti-blocking quickly-replaceable immersive wire feeding sleeve and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107099642A (en) | 2017-08-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2013031011A1 (en) | Small-hole electric-discharge machining apparatus | |
| CN103273169B (en) | Multi-wire bead welding system | |
| CN107099642B (en) | Immersion feeds silk braid pipe, wire feeder and feeds silk method | |
| CN101961812A (en) | Vertical circular seam welding machine | |
| CN208713060U (en) | A kind of electric spark deep hole drilling apparatus | |
| CN86106357A (en) | The belt carcass tubular pole and the method that are used for electric-arc cutting of metals | |
| CN107022668A (en) | A kind of Yarn feeding device and method for improving steelmaking process calcium alloy recovery rate | |
| CN208289026U (en) | Drilling machine with debris removal mechanism | |
| CN110616293A (en) | Method for adding rare earth into molten steel | |
| CN108971709A (en) | Hard alloy bare wire automatic soldering device and automatic soldering method | |
| Guo et al. | Metal transfer characteristics of rotating arc narrow gap horizontal GMAW | |
| CN107775161B (en) | Control method applied to industrial arc welding robot welding gun full-automatic cleaning device | |
| CN205147553U (en) | Argon arc welds automatic weld platform | |
| CN102267103B (en) | Online perforating device of linear cutting machine | |
| CN205074535U (en) | Oil development drill bit 3D printing apparatus | |
| CN105014211A (en) | Argon flow gas supply method and device for packaging welding of core membrane | |
| CN213672356U (en) | Anti-blocking gas shield welding gun | |
| CN203890384U (en) | Top-blown argon lance device with wire feeding and guiding function | |
| JP2002103146A (en) | Electrochemical machining method for deformed hole | |
| CN209425122U (en) | A kind of ultra-deep hole processing device | |
| CN205324983U (en) | Hole welding set | |
| CN208321970U (en) | The pneumatic hammer of uniform feeding | |
| CN208067505U (en) | A kind of high accuracy positioning pneumatic tapper easy to use | |
| CN211999805U (en) | But LF stove quick replacement wire feeding pipe | |
| CN106513993A (en) | Inner bore welding device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201208 Address after: 617000 No. 90 Taoyuan street, Eastern District, Sichuan, Panzhihua Patentee after: SICHUAN PAN YAN TECHNOLOGY Co.,Ltd. Address before: 610000 Chengdu Sichuan hi tech Zone West Park Innovation Group Panzhihua Iron & Steel Group Research Institute Co., Ltd. Patentee before: Pangang Group Research Institute Co.,Ltd. |