CN101837381B - Novel technique of tungsten-molybdenum wire drawing and wire drawing device thereof - Google Patents
Novel technique of tungsten-molybdenum wire drawing and wire drawing device thereof Download PDFInfo
- Publication number
- CN101837381B CN101837381B CN 200910066657 CN200910066657A CN101837381B CN 101837381 B CN101837381 B CN 101837381B CN 200910066657 CN200910066657 CN 200910066657 CN 200910066657 A CN200910066657 A CN 200910066657A CN 101837381 B CN101837381 B CN 101837381B
- Authority
- CN
- China
- Prior art keywords
- cone pulley
- temperature
- mould bases
- tungsten
- ceramic
- 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.)
- Expired - Fee Related
Links
- 238000005491 wire drawing Methods 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title claims abstract description 18
- MGRWKWACZDFZJT-UHFFFAOYSA-N molybdenum tungsten Chemical compound [Mo].[W] MGRWKWACZDFZJT-UHFFFAOYSA-N 0.000 title abstract 4
- 238000010438 heat treatment Methods 0.000 claims abstract description 35
- 239000000919 ceramic Substances 0.000 claims abstract description 33
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 19
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 29
- 229910052721 tungsten Inorganic materials 0.000 claims description 23
- 239000010937 tungsten Substances 0.000 claims description 23
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 13
- 229910052750 molybdenum Inorganic materials 0.000 claims description 13
- 239000011733 molybdenum Substances 0.000 claims description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 241000606750 Actinobacillus Species 0.000 claims description 9
- 238000005516 engineering process Methods 0.000 claims description 8
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 239000003638 chemical reducing agent Substances 0.000 abstract 1
- 229910002804 graphite Inorganic materials 0.000 abstract 1
- 239000010439 graphite Substances 0.000 abstract 1
- 239000008267 milk Substances 0.000 abstract 1
- 210000004080 milk Anatomy 0.000 abstract 1
- 235000013336 milk Nutrition 0.000 abstract 1
- 239000000047 product Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 150000003657 tungsten Chemical class 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Landscapes
- Metal Extraction Processes (AREA)
Abstract
The invention relates to a novel technique of tungsten-molybdenum wire drawing and a wire drawing device thereof, wherein the novel technique of tungsten-molybdenum wire drawing adjusts the speed of the main-driving ceramic cone pulley through stepless speed adjustment; the flame temperature of each flame heating pipe on the temperature adjustable main heating stove is designed into the structure which can be adjusted alone; the tungsten-molybdenum wire drawing device comprises a speed adjustment converter, a driving motor, a cycloidal reducer, a supply wheel, a driving chain wheel, a take-up wheel, a ceramic cone pulley, an automatic temperature controlling mould frame, a temperature adjustable main heating stove, a graphite milk groove, and a rear driving cone pulley. The invention has the advantage of high production efficiency, short cycle, automatic temperature control and heating of the mould, stepless adjustment of driving linear velocity, no need of repeated repair of wire drawing cone pulley and stable product quality.
Description
Technical field
The present invention relates to a kind of tungsten wire drawing new technology, the invention still further relates to the special-purpose wire-drawing equipment of this drawing process.
Background technology
The tungsten wire drawing machine is the special equipment of producing tungsten filament and molybdenum filament, and existing tungsten wire drawing machine (five moulds) makes it have many shortcoming and defect owing to its structure is unreasonable, is in particular in:
1, can only draw five moulds in the each pulling process of original wire drawing machine at most, production efficiency is low; Drawing the 92mg/200mm semi-finished product needs two road train numbers to finish, and the first road train number is moved 174.5mg/200mm (φ 0.24) to, second operation work 92mg/200mm (φ 0.175), and the production cycle is long.
2, the wire drawing machine mould is heated and is finished by fire heating mould bases, and the size of the actual temperature of mould, fire combustion detect by an unaided eye to adjust by the operator fully, and everyone range estimation temperature error is very big, will directly influence the quality of product like this.
3, the drive wire speed of five mould wire drawing machinees can not be adjusted, and is fixed on 45m/min, does not guarantee to draw the technological requirement of various products of different specifications, easily produces the phenomenon of diameter inequality, influences user's normal use, and the operator also is not easy to operation.
4, existing five mould tungsten wire drawing machinees are because a temperature control is adopted in the unified adjustment of the flame temperature of heating furnace, so cause the error of temperature big, so energy resource consumption is big, production efficiency is low, and the quality of production cost height, product can't guarantee.
5, employed front wheel driving wiredrawing step pulley is the structure that adopts steel in the existing tungsten wire-drawing equipment, quick abrasion, a new steel cone pulley can only use one month, cone pulley after the wearing and tearing needs to repair again, could continue after the replacing to use, new steel cone pulley can only be repaired at most and just can't repair for 6-7 time and scrap, so just bring a lot of troubles to the operator, increased cost of processing, caused the waste of parts, simultaneously groove occurred because this steel cone pulley is easy to wearing and tearing, so damage has to a certain degree also been brought on the surface of the tungsten silk material processed, thereby influence the quality of product, influence ordinary production.
Summary of the invention
The objective of the invention is to provide that a kind of production efficiency height, cycle are short, mould is temperature automatically controlledly heated, but drive wire speed step-less adjustment, wiredrawing step pulley do not need to repair repeatedly, tungsten wire drawing new technology and the wire-drawing equipment thereof of constant product quality.
The object of the present invention is achieved like this, this tungsten wire-drawing equipment comprises the speed governing frequency converter, drive motors, cycloid pin reductor, actinobacillus wheel, drive sprocket, take-up pulley, the pottery cone pulley, temperature automatically controlled mould bases, but temperature adjustment master heating furnace, the aquadag groove, the rear drive cone pulley, described speed governing frequency converter is connected with drive motors, between ceramic cone pulley and drive motors, be provided with cycloid pin reductor, between ceramic cone pulley and rear drive cone pulley, be disposed with temperature automatically controlled mould bases, but temperature adjustment master heating furnace, the aquadag groove, tungsten filament or molybdenum filament twine between ceramic cone pulley and rear drive cone pulley repeatedly, and through temperature automatically controlled mould bases, but temperature adjustment master heating furnace, be arranged on behind the aquadag groove between actinobacillus wheel and the take-up pulley.
Described ceramic cone pulley adopts the mode governing speed of stepless speed regulation, it comprises ceramic cone pulley main body, steel bushing, described ceramic cone pulley main body is arranged on the outside of steel bushing, and ceramic cone pulley main body is a stair-stepping pyramidal structure, and its each end difference bit strip is fluted.
Described temperature automatically controlled mould bases comprises mould, mould bases main body, electrically heated rod, thermocouple, temperature indicator, wherein a plurality of moulds are arranged on the mould bases main body, electrically heated rod is arranged in the mould bases main body endoporus, and thermocouple is arranged on the mould bases main body, and temperature indicator is electrically connected with thermocouple.
But described temperature adjustment master heating furnace comprises body of heater, bell, flame heat boiler tube, mixed gas supply pipe, described a plurality of flame heat boiler tube is arranged on the body of heater, each flame heat boiler tube of correspondence is provided with a plurality of mixed gas supply pipes below the flame heat boiler tube, all have the control valve of regulating flame temperature above the mixed gas supply pipe at each, on body of heater, be provided with bell.
Process is that tungsten filament or molybdenum filament are drawn from actinobacillus wheel, but pass through the flame heat pipe A on the aquadag groove temperature adjustment master heating furnace, the mould on the temperature automatically controlled mould bases successively, be connected to the rear drive cone pulley around ceramic one week of cone pulley then, finish drawing process one time; Finish the tungsten filament of a wire drawing or molybdenum filament around the rear drive cone pulley after one week, but pass through the flame heat pipe B on the aquadag groove temperature adjustment master heating furnace, the mould on the temperature automatically controlled mould bases more successively, be connected to the rear drive cone pulley around ceramic one week of cone pulley then, finish drawing process for the second time; Repeatedly pass through flame heat pipe C, D, E, F, G, H, R, J on the aquadag groove temperature adjustment master heating furnace but go round and begin again like this, the mould on the temperature automatically controlled mould bases is finished drawing process more than ten time, at last tungsten filament or molybdenum filament is received take-up pulley.
But the flame temperature of each the flame heat pipe on the described temperature adjustment master heating furnace is adjustable separately, and wherein the flame temperature of each flame heat pipe is: A:950 ℃ ± 50 ℃, B:920 ℃ ± 50 ℃, C:900 ℃ ± 50 ℃, D:880 ℃ ± 50 ℃, E:860 ℃ ± 50 ℃, F:840 ℃ ± 50 ℃, G:820 ℃ ± 50 ℃, H:800 ℃ ± 50 ℃, R:780 ℃ ± 50 ℃, J:760 ℃ ± ℃.
The present invention has the following advantages:
1, the present invention only increases a cycloid pin reductor under the situation that does not change original wire-drawing equipment power of motor (0.75KW), can once finish the inferior processing capacity of ten moulds.Connect the tungsten bar of φ 0.39, one car draws ten moulds, is worked into 92mg/200mm and makes production efficiency improve 1 times, and the production cycle shortens 1 times, reduces 1 times of power consumption.1 ten die drawing silk every day (being called for short ten mould machines) but machine than five mould machine saves energy 0.75kw.h * 24=18kw.h, and reached the requirement of production technology fully.
2, the fire of original five mould machine moulds heating makes the electrical heating of ten mould machines into, and Mo Wen can make automatically, thermoelectric corner thermometric, and temperature controller is temperature automatically controlled, and it is temperature required to reach technology, error ± 1 ℃.Operate intuitive and convenient, improved the crudy of silk material.
3, ten mould machines of the present invention install the frequency converter of 0.75KW additional; the ceramic cone pulley that drives on the Zhu Zhou Roll tube can stepless speed regulation; the any selection of linear velocity 0-50m/min and speed are steady; guaranteed that this operation draws the quality requirement of products of different specifications; stopped to occur for the silk contracting silk phenomenon that material causes because linear velocity is non-adjustable, satisfied user's requirement.
4, the present invention will be provided with the control valve of regulating flame temperature on each the flame heat boiler tube on the main heating furnace, so overcome the deficiency that there is error in temperature control of existing five mould wire drawing machinees, save the energy more, the temperature range that has guaranteed the middle operation of drawing process is accurate, has improved the quality of product.
Description of drawings
Fig. 1 is tungsten wire-drawing equipment overall structure schematic diagram of the present invention.
Fig. 2,3 is the present invention's pottery cone pulley structure schematic diagram.
Fig. 4 is the another kind of embodiment structural representation of the present invention's pottery cone pulley.
Fig. 5 is the temperature automatically controlled mould bases A-A of the present invention face cut-away view.
But Fig. 6 is the present invention's temperature adjustment master heating furnace overall structure schematic diagram.
Fig. 7 is but that the present invention's temperature adjustment master heating furnace A is to the structure perspective view.
The specific embodiment
Shown in accompanying drawing 1: this tungsten wire-drawing equipment comprises speed governing frequency converter 1, drive motors 2, cycloid pin reductor 3, actinobacillus wheel 4, drive sprocket 5, take-up pulley 6, pottery cone pulley 7, temperature automatically controlled mould bases 8, but temperature adjustment master heating furnace 9, aquadag groove 10, rear drive cone pulley 11, described speed governing frequency converter 1 is connected with drive motors 2, between ceramic cone pulley 7 and drive motors 2, be provided with cycloid pin reductor 3, between ceramic cone pulley 7 and rear drive cone pulley 11, be disposed with temperature automatically controlled mould bases 8, but temperature adjustment master heating furnace 9, aquadag groove 10, tungsten filament or molybdenum filament 12 twine between ceramic cone pulley 7 and rear drive cone pulley 11 repeatedly, and through temperature automatically controlled mould bases 8, but temperature adjustment master heating furnace 9, be arranged on behind the aquadag groove 10 between actinobacillus wheel 4 and the take-up pulley 6.
Shown in accompanying drawing 2,3: described ceramic cone pulley 7 adopts the mode governing speed of stepless speed regulation, it comprises ceramic cone pulley main body 13, steel bushing 14, described ceramic cone pulley main body 13 is arranged on the outside of steel bushing 14, pottery cone pulley main body 13 is stair-stepping pyramidal structures, its each end difference bit strip fluted 15.
Shown in accompanying drawing 4: described ceramic cone pulley main body 13 can also be made the version of integral type with steel bushing 14, at the surface of ceramic cone pulley main body 13 spraying one deck ceramic structure layer 26.
Shown in accompanying drawing 1,5: described temperature automatically controlled mould bases comprises mould 16, mould bases main body 17, electrically heated rod 18, thermocouple 19, temperature indicator 20, wherein a plurality of moulds 16 are arranged on the mould bases main body 17, electrically heated rod 18 is arranged in mould bases main body 17 endoporus, thermocouple 19 is arranged on the mould bases main body 17, and temperature indicator 20 is electrically connected with thermocouple 19.
Shown in accompanying drawing 6,7: but described temperature adjustment master heating furnace 9 comprises body of heater 21, bell 22, flame heat boiler tube 23, mixed gas supply pipe 24, described a plurality of flame heat boiler tube 23 is arranged on the body of heater 21, each flame heat boiler tube 23 of correspondence is provided with a plurality of mixed gas supply pipes 24 below flame heat boiler tube 23, all have the control valve 25 of regulating flame temperature above the mixed gas supply pipe 24 at each, on body of heater 21, be provided with bell 22.
Process is that tungsten filament or molybdenum filament are drawn from actinobacillus wheel, but pass through the flame heat pipe A on the aquadag groove temperature adjustment master heating furnace, the mould on the temperature automatically controlled mould bases successively, be connected to the rear drive cone pulley around ceramic one week of cone pulley then, finish drawing process one time; Finish the tungsten filament of a wire drawing or molybdenum filament around the rear drive cone pulley after one week, but pass through the flame heat pipe B on the aquadag groove temperature adjustment master heating furnace, the mould on the temperature automatically controlled mould bases more successively, be connected to the rear drive cone pulley around ceramic one week of cone pulley then, finish drawing process for the second time; Repeatedly pass through flame heat pipe C, D, E, F, G, H, R, J on the aquadag groove temperature adjustment master heating furnace but go round and begin again like this, the mould on the temperature automatically controlled mould bases is finished drawing process more than ten time, at last tungsten filament or molybdenum filament is received take-up pulley.
But the flame temperature of each the flame heat pipe on the described temperature adjustment master heating furnace is adjustable separately, and wherein the flame temperature of each flame heat pipe is: A:950 ℃ ± 50 ℃, B:920 ℃ ± 50 ℃, C:900 ℃ ± 50 ℃, D:880 ℃ ± 50 ℃, E:860 ℃ ± 50 ℃, F:840 ℃ ± 50 ℃, G:820 ℃ ± 50 ℃, H:800 ℃ ± 50 ℃, R:780 ℃ ± 50 ℃, J:760 ℃ ± ℃.
Claims (6)
1. tungsten wire drawing new technology, it is characterized in that: this technical process is the mode governing speed that drives ceramic cone pulley employing stepless speed regulation with main, wherein tungsten filament or molybdenum filament are drawn from actinobacillus wheel, but pass through the flame heat pipe A on the aquadag groove temperature adjustment master heating furnace, the mould on the temperature automatically controlled mould bases successively, be connected to the rear drive cone pulley ceramic one week of cone pulley around main the driving then, finish drawing process one time; Finish the tungsten filament of a wire drawing or molybdenum filament around the rear drive cone pulley after one week, but pass through the flame heat pipe B on the aquadag groove temperature adjustment master heating furnace, the mould on the temperature automatically controlled mould bases more successively, be connected to the rear drive cone pulley ceramic one week of cone pulley around main the driving then, finish drawing process for the second time; Repeatedly pass through flame heat pipe C, D, E, F, G, H, R, J on the aquadag groove temperature adjustment master heating furnace but go round and begin again like this, the mould on the temperature automatically controlled mould bases is finished drawing process more than ten time, at last tungsten filament or molybdenum filament is received take-up pulley.
2. a kind of tungsten wire drawing new technology according to claim 1 is characterized in that: but the flame temperature of each the flame heat pipe on the described temperature adjustment master heating furnace is adjustable separately, and wherein the flame temperature of each flame heat pipe is:
A：950℃±50℃、 B：920℃±50℃、 C：900℃±50℃、
D：880℃±50℃、 E：860℃±50℃、 F：840℃±50℃、
G：820℃±50℃、 H：800℃±50℃、 R：780℃±50℃、
J：760℃。
3. tungsten wire-drawing equipment, it is characterized in that: this wire-drawing equipment comprises speed governing frequency converter (1), drive motors (2), cycloid pin reductor (3), actinobacillus wheel (4), drive sprocket (5), take-up pulley (6), the main ceramic cone pulley (7) that drives, temperature automatically controlled mould bases (8), but temperature adjustment master heating furnace (9), aquadag groove (10), rear drive cone pulley (11), described speed governing frequency converter (1) is connected with drive motors (2), be provided with cycloid pin reductor (3) main the driving between ceramic cone pulley (7) and the drive motors (2), be disposed with temperature automatically controlled mould bases (8) main the driving between ceramic cone pulley (7) and the rear drive cone pulley (11), but temperature adjustment master heating furnace (9), aquadag groove (10), tungsten filament or molybdenum filament (12) twine repeatedly main the driving between ceramic cone pulley (7) and the rear drive cone pulley (11), and through temperature automatically controlled mould bases (8), but temperature adjustment master heating furnace (9), be arranged on behind the aquadag groove (10) between actinobacillus wheel (4) and the take-up pulley (6).
4. a kind of tungsten wire-drawing equipment according to claim 3, it is characterized in that: the described main ceramic cone pulley (7) that drives comprises ceramic cone pulley main body (13), steel bushing (14), described ceramic cone pulley main body (13) is arranged on the outside of steel bushing (14), pottery cone pulley main body (13) is a stair-stepping pyramidal structure, its each end difference bit strip fluted (15).
5. a kind of tungsten wire-drawing equipment according to claim 3, it is characterized in that: described temperature automatically controlled mould bases comprises mould (16), mould bases main body (17), electrically heated rod (18), thermocouple (19), temperature indicator (20), wherein a plurality of moulds (16) are arranged on the mould bases main body (17), electrically heated rod (18) is arranged in mould bases main body (17) endoporus, thermocouple (19) is arranged on the mould bases main body (17), and temperature indicator (20) is electrically connected with thermocouple (19).
6. a kind of tungsten wire-drawing equipment according to claim 3, it is characterized in that: but described temperature adjustment master heating furnace (9) comprises body of heater (21), bell (22), flame heat boiler tube (23), mixed gas supply pipe (24), a plurality of described flame heat boiler tubes (23) are arranged on the body of heater (21), each flame heat boiler tube (23) of correspondence is provided with a mixed gas supply pipe (24) below flame heat boiler tube (23), all have the control valve (25) of regulating flame temperature above the mixed gas supply pipe (24) at each, on body of heater (21), be provided with bell (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910066657 CN101837381B (en) | 2009-03-19 | 2009-03-19 | Novel technique of tungsten-molybdenum wire drawing and wire drawing device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910066657 CN101837381B (en) | 2009-03-19 | 2009-03-19 | Novel technique of tungsten-molybdenum wire drawing and wire drawing device thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101837381A CN101837381A (en) | 2010-09-22 |
| CN101837381B true CN101837381B (en) | 2013-07-03 |
Family
ID=42741187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910066657 Expired - Fee Related CN101837381B (en) | 2009-03-19 | 2009-03-19 | Novel technique of tungsten-molybdenum wire drawing and wire drawing device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101837381B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102107226B (en) * | 2010-12-24 | 2012-07-11 | 玉溪玉杯金属制品有限公司 | Metal wire tension detection and control device in straight line wire drawing machine |
| CN103008373B (en) * | 2011-09-27 | 2015-08-05 | 苏州中信科技股份有限公司 | One carefully stretches machine |
| CN104492836B (en) * | 2014-11-21 | 2017-09-01 | 北京工业大学 | A kind of electric auxiliary extraction process of Rare-Earth Tungsten |
| CN104841705A (en) * | 2015-04-30 | 2015-08-19 | 贵研铂业股份有限公司 | Wire hot drawing heating and wire-drawing die heating attemperator |
| CN113751521A (en) * | 2021-09-22 | 2021-12-07 | 常熟致圆微管技术有限公司 | Multifunctional modular temperature control wire drawing die rack |
| CN116921477B (en) * | 2023-07-28 | 2024-06-25 | 浙江创特新材科技有限公司 | Cone pulley module for drawing fine tungsten wire and high-strength fine tungsten wire drawing equipment |
| CN116981119A (en) * | 2023-07-28 | 2023-10-31 | 浙江创特新材科技有限公司 | Prefabricated heating block, heating module and high-strength filament tungsten wire drawing equipment |
| CN116984404B (en) * | 2023-07-28 | 2024-04-26 | 浙江创特新材科技有限公司 | Movable multi-section thin tungsten wire heating module and high-strength thin tungsten wire drawing equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0598371A1 (en) * | 1992-11-16 | 1994-05-25 | Kobe Steel Limited | Hot rolled steel wire rod, fine steel wire and twisted steel wire, and manufacture of the fine steel wire |
| CN101249520A (en) * | 2008-03-28 | 2008-08-27 | 沈阳理工大学 | Non-mould drawing forming method and apparatus |
| CN101254512A (en) * | 2008-04-02 | 2008-09-03 | 深圳市粤豪珠宝有限公司 | Bullion drawing technique |
| CN201147776Y (en) * | 2007-12-29 | 2008-11-12 | 天津市蓟县胜利钨钼制品加工厂 | Two-sided disc drawbench |
-
2009
- 2009-03-19 CN CN 200910066657 patent/CN101837381B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0598371A1 (en) * | 1992-11-16 | 1994-05-25 | Kobe Steel Limited | Hot rolled steel wire rod, fine steel wire and twisted steel wire, and manufacture of the fine steel wire |
| CN201147776Y (en) * | 2007-12-29 | 2008-11-12 | 天津市蓟县胜利钨钼制品加工厂 | Two-sided disc drawbench |
| CN101249520A (en) * | 2008-03-28 | 2008-08-27 | 沈阳理工大学 | Non-mould drawing forming method and apparatus |
| CN101254512A (en) * | 2008-04-02 | 2008-09-03 | 深圳市粤豪珠宝有限公司 | Bullion drawing technique |
Non-Patent Citations (1)
| Title |
|---|
| JP平4-191318A 1992.07.09 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101837381A (en) | 2010-09-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101837381B (en) | Novel technique of tungsten-molybdenum wire drawing and wire drawing device thereof | |
| CN201404962Y (en) | Ten-die tungsten and molybdenum wire drawing machine | |
| CN202011831U (en) | Automatic bending machine for helical lighting tubes | |
| CN101590588A (en) | The production method of mechanical drive chain wheel | |
| CN103182457A (en) | High-speed spinning sealing process method for pipe port | |
| CN104971954A (en) | High-speed high-stability large and medium drawing machine for copper conductor | |
| CN102172658A (en) | Semitrailer integral axle tube extrusion moulding equipment and method | |
| CN101716614B (en) | Four-channel tapered die forming vertical continuous extrusion cladding method and equipment | |
| CN103028680B (en) | Fully-automatic ring making machine special for processing brazing alloy material and processing method thereof | |
| KR101328868B1 (en) | Apparatus for expansinon-forming elbow pipe | |
| CN104174678A (en) | Continuous extrusion machine with symmetry plane of large surfaces of expanded cavity perpendicular to axis of extrusion wheel | |
| CN106881371A (en) | Big flakiness ratio copper bar continuously squeezes shaping machine set | |
| CN101574852B (en) | Production equipment of steel-plastic reinforced composite pipe | |
| CN201632506U (en) | Vertical continuous-extrusion sheathing machine for forming four-passage cone die | |
| CN204209942U (en) | A kind of industrial hose extruding production line | |
| CN102240697B (en) | Production line of copper coil pipe | |
| CN106734276B (en) | A kind of pipe change one-time formed automatic draw-off gear of square tube | |
| CN201669285U (en) | Twelve-mould tungsten wire drawing machine | |
| CN203750993U (en) | Integrated inclined and longitudinal rolling anchor rod rolling mill | |
| CN202527508U (en) | Extrusion die of pipe billet | |
| CN202701240U (en) | A double-position automatic hot forging forming machine for shouldered circular male die type products having diameters larger than D4 | |
| CN104148429A (en) | Seamless airtight aluminum pipe optical unit and manufacturing method thereof | |
| CN103736768B (en) | Internal diameter constant two ends wall thickness increases pressurizing unit and the pressing method of tubing | |
| CN207205216U (en) | A kind of equipment of up-drawing method production oxygen-free copper bar | |
| CN202123167U (en) | Automatic feeding device of forming machine for large corrugated tubes |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: JILIN XINGDA MOLYBDENUM INDUSTRY CO., LTD. Free format text: FORMER OWNER: SIPING XINYU MOLYBDENUM INDUSTRY CO., LTD. Effective date: 20130718 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Pan Zhaolin Inventor after: Xu Chao Inventor after: Yang Ming Inventor after: Wang Yiming Inventor after: Guo Junwu Inventor after: Wei Jun Inventor after: Tian Yachuan Inventor before: Guo Junwu Inventor before: Wei Jun Inventor before: Tian Yachuan |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: GUO JUNWU WEI JUN TIAN YACHUAN TO: PAN ZHAOLIN XU CHAO YANG MING WANG YIMING GUO JUNWU WEI JUN TIAN YACHUAN |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130718 Address after: 136500, Siping County, Siping City, Jilin Province ten Town, small bridge village two club Patentee after: Xingda Jilin Molybdenum Industry Co., Ltd. Address before: 136500 economic zone of Huo Jia Inn, Lishu development area, Lishu County, Jilin Province Patentee before: Siping Xinyu Molybdenum Industry Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130703 Termination date: 20180319 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |