CN104588554A - Continuous rotary swaging method special for multi-element composite tungsten electrode - Google Patents
Continuous rotary swaging method special for multi-element composite tungsten electrode Download PDFInfo
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- CN104588554A CN104588554A CN201410697285.9A CN201410697285A CN104588554A CN 104588554 A CN104588554 A CN 104588554A CN 201410697285 A CN201410697285 A CN 201410697285A CN 104588554 A CN104588554 A CN 104588554A
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Abstract
The invention discloses a special continuous rotary swaging method for a multi-element composite tungsten electrode, which comprises continuous rotary swaging equipment consisting of a first heating furnace, a first rotary swaging machine, a first material guide roller, a second heating furnace, a second rotary swaging machine and a second material guide roller; firstly, heating a first heating furnace and a second heating furnace to 1450-1500 ℃, and then conveying the multi-element composite rare earth tungsten electrode material with the diameter of phi 6.5mm subjected to B203 rotary swaging into the continuous rotary swaging equipment at the speed of 2-3 m/min to sequentially carry out three B202 stages and two B201 stages. The method is suitable for the mechanical property of the multielement composite rare earth tungsten electrode material, and can realize the high-efficiency processing of the tungsten material. Obtaining the phi 6-phi 3 multi-element composite rare earth tungsten electrode material.
Description
Technical field
The present invention relates to a kind of Rare Earth Doped Refractory Metal material processing technique, particularly relate to a kind of special method of swaging continuously of multicomponent composite tungsten electrode.
Background technology
Tungsten, molybdenum and other refractory metals poor in processability, thus adopts processing mode of swaging usually, has both revolved hammer while High Rotation Speed, has done radial reciprocating motion, thus made the homogeneous deformation of base bar.For the processing of tungsten and tungsten alloy, normal what adopt is that singly the swage rotary swaging equipment of head is processed.
In prior art, patent 200710099090.4 revolves for multiplex composite rare-earth tungsten electrode the swager that namely disconnected processing adopt this single-head, electrode material of multielement composite rare earth tungsten needs through 6 procedures in the B202 stage, need through 4 procedures in the B201 stage, complex procedures, labour intensity is large, for improving working (machining) efficiency, it is an effective way that two swagers are constituted jointly a set of continuous rotary swaging equipment, there is similar devices for pure tungsten at present, tungsten aluminium and molybdenum materials manufacture field, and for rare earth doped tungsten material, particularly adulterate multielement rare earth composite tungsten material, this type of Special Equipment is not had to apply at present, this is mainly due to the non-constant of processability of multiple elements design tungsten, the impact of rare earth second phase particles on material structure makes the crisp transition temperature of moulding of tungsten material change, thus for technique of swaging continuously, except requiring that charging rate unanimously, join molded degree and processing temperature also particularly important.
Summary of the invention
The object of this invention is to provide that a kind of technique is simple, the special method of swaging continuously of the much higher first composite tungsten electrode of efficiency.
The object of the invention is to be achieved through the following technical solutions:
The special method of swaging continuously of multicomponent composite tungsten electrode of the present invention, comprises the continuous rotary swaging equipment be made up of the first heating furnace, the first swager, the first guide roller, the second heating furnace, the second swager, the second guide roller;
Comprise step:
First by the first heating furnace, second heating furnace is warmed up to 1450 ~ 1500 DEG C, is then that the electrode material of multielement composite rare earth tungsten of Φ 6.5mm carries out B202 stage and B201 stage process successively with the described continuous rotary swaging equipment of 2 ~ 3m/min speed feeding by the diameter after B203 swages;
Need through three passage processing in the B202 stage, process system is respectively:
First: the first swager apolegamy Φ 6.0 mould; Second swager apolegamy Φ 5.6 mould; First heating furnace, the second furnace temp are set to: 1450 ~ 1500 DEG C;
Second: the first swager apolegamy Φ 5.2 mould; Second swager apolegamy Φ 4.8 mould; First heating furnace, the second furnace temp are set to: 1400 ~ 1450 DEG C;
3rd road: the first swager apolegamy Φ 4.4 mould; Second swager apolegamy Φ 4.1 mould; First heating furnace, the second furnace temp are set to: 1400 ~ 1450 DEG C;
Process through two passages in the B201 stage, its process system is respectively:
First: the first swager apolegamy Φ 3.9 mould; Second swager apolegamy Φ 3.6 mould; First heating furnace, the second furnace temp are set to: 1400 ~ 1450 DEG C;
Second: the first swager apolegamy Φ 3.3 mould; Second swager apolegamy Φ 3.0 mould; First heating furnace, the second furnace temp are set to: 1350 ~ 1400 DEG C.
As seen from the above technical solution provided by the invention, the special method of swaging continuously of the multicomponent composite tungsten electrode that the embodiment of the present invention provides, due to the processing adopting continuous rotary swaging equipment to carry out electrode material of multielement composite rare earth tungsten B202, B201 stage, adapt to the mechanical property of electrode material of multielement composite rare earth tungsten, tungsten material highly-efficient processing can be realized.The electrode material of multielement composite rare earth tungsten of Φ 6-Φ 3 can be obtained.
Accompanying drawing explanation
Fig. 1 is the structural representation of continuous rotary swaging equipment in the embodiment of the present invention.
In figure: 1, the first heating furnace, the 2, first swager, the 3, first guide roller, the 4, second heating furnace, the 5, second swager, the 6, second guide roller.
Detailed description of the invention
To be described in further detail the embodiment of the present invention below.
The special method of swaging continuously of multicomponent composite tungsten electrode of the present invention, its preferably detailed description of the invention be:
Comprise the continuous rotary swaging equipment be made up of the first heating furnace, the first swager, the first guide roller, the second heating furnace, the second swager, the second guide roller;
Comprise step:
First by the first heating furnace, second heating furnace is warmed up to 1450 ~ 1500 DEG C, is then that the electrode material of multielement composite rare earth tungsten of Φ 6.5mm carries out B202 stage and B201 stage process successively with the described continuous rotary swaging equipment of 2 ~ 3m/min speed feeding by the diameter after B203 swages;
Need through three passage processing in the B202 stage, process system is respectively:
First: the first swager apolegamy Φ 6.0 mould; Second swager apolegamy Φ 5.6 mould; First heating furnace, the second furnace temp are set to: 1450 ~ 1500 DEG C;
Second: the first swager apolegamy Φ 5.2 mould; Second swager apolegamy Φ 4.8 mould; First heating furnace, the second furnace temp are set to: 1400 ~ 1450 DEG C;
3rd road: the first swager apolegamy Φ 4.4 mould; Second swager apolegamy Φ 4.1 mould; First heating furnace, the second furnace temp are set to: 1400 ~ 1450 DEG C;
Process through two passages in the B201 stage, its process system is respectively:
First: the first swager apolegamy Φ 3.9 mould; Second swager apolegamy Φ 3.6 mould; First heating furnace, the second furnace temp are set to: 1400 ~ 1450 DEG C;
Second: the first swager apolegamy Φ 3.3 mould; Second swager apolegamy Φ 3.0 mould; First heating furnace, the second furnace temp are set to: 1350 ~ 1400 DEG C.
Described first swager and the second swager same model, same frequency, same to speed;
Each device relative position of described continuous rotary swaging equipment is as follows:
The molybdenum filament heating furnace of the first heating furnace to be pipe range be 1m, it is 15cm apart from the first swager distance, first guide roll spacing first swager and the second heating furnace distance are 10cm, second heating furnace is the long molybdenum filament pipe furnace for 0.7m of boiler tube, second swager and the second heating furnace distance 15cm, with the second guide roll spacing from 10cm.
The composition of described electrode material of multielement composite rare earth tungsten is:
By weight percentage, rare earth oxide content is 0.44%La
2o
3, 1.32%Y
2o
3, 0.44%CeO
2, surplus is tungsten.
The special method of swaging continuously of multicomponent composite tungsten electrode of the present invention, adopt the processing being carried out electrode material of multielement composite rare earth tungsten B202, B201 stage by two same models, same frequency, the continuous rotary swaging equipment that forms with the swager (B-201, B-202) of speed, adapt to the mechanical property of electrode material of multielement composite rare earth tungsten, adopt continuous swaging techniques to realize tungsten material highly-efficient processing.The electrode material of multielement composite rare earth tungsten of Φ 6-Φ 3 can be obtained.。
B203, B202, B201 of mentioning in the application are the common process process in tungsten processing, are generally used for segmenting rotary swaging process, refer to the processing of swaging adopting B-203, B-202, B-201 swager to carry out.B-203, B-202, B-201 are the unit type of swager, B-203 swager to revolve hammer stroke maximum, the large workpiece of suitable processing; The hammer stroke that revolves of B-202 swager takes second place, and is suitable for processing small workpiece; B-201 swager revolve hammer stroke minimum, be generally used for processing less workpiece.The die change system Φ 6 etc. mentioned in the application refers to that the minimum machining diameter of mould of swaging is 6mm.
In the application, technological parameter is formulated is according to the tissue change law formulation of electrode material of multielement composite rare earth tungsten, in process, the Deformation structure of electrode material changes, recovery temperature and recrystallization temperature also change according to deformation extent, therefore for avoiding the brittle phenomenon of electrode material of multielement composite rare earth tungsten generation recrystallization, also needing to change processing temperature makes it remain on more than recovery temperature, below recrystallization temperature.Therefore every technical parameter of the application matches, and is only limitted to the production and processing of multiplex composite rare-earth tungsten electrode.
The major advantage of the application is:
(1) one procedure is through 2 moulds of swaging, and 6 procedures in former B202 technique are reduced to 3 roads, and 4 procedures in B201 technique are reduced to current 2 roads, and working (machining) efficiency doubles.
(2) adopt continuous swaging techniques, base bar enters next swager fast and forges after last swager forges, and avoids the loss of heat, thus economical and energy saving.
Specific embodiment:
Adopt each device relative position of continuous rotary swaging equipment as follows: the first heating furnace 1 for pipe range be the molybdenum filament heating furnace of 1m, its distance first swager 2 is apart from being 15cm, first guide roller 3 is 10cm apart from the first swager 2 and the second heating furnace 4 distance, second heating furnace is the long molybdenum filament pipe furnace for 0.7m of boiler tube, second swager 5 and the second heating furnace 4 apart from 15cm, with the second guide roll spacing from 10cm.
Example 1:
The base bar of the Φ 6.5 swaged through B203 is put into the continuous swager of B202 process, base bar composition is: by weight percentage, and rare earth oxide content is 0.44%La
2o
3, 1.32%Y
2o
3, 0.44%CeO
2, surplus is tungsten, first by the first heating furnace 1, second 4 liters, heating furnace is warming to 1500 DEG C, the charging rate of base bar is controlled at 3m/min, first operation arranges the first swager 2 and the second swager 5, and to join molded degree be Φ 6.0, Φ 5.6, first guide roller 3 speed is 3.5m/min, second guide roller 6 speed is set to 4.0m/min, after the processing of first operation, base bar is put into join and be molded degree for Φ 5.2, second operation work processing is carried out in the continuous rotary swaging equipment of Φ 4.8, first heating furnace 1 and the second heating furnace 4 temperature are decided to be: 1450 DEG C, first guide roller 3 speed is 3.5m/min, second guide roller 6 speed is set to: 4.1m/min, afterwards base bar is put into and join molded degree and be: Φ 4.4, process in the three process of Φ 4.1, first heating furnace 1 and the second heating furnace 4 temperature are set to 1450 DEG C, and the first guide roller 3 speed is 3.6m/min, and the second guide roller 6 speed is set to: 4.1m/min, after three process terminates, start to enter the B201 stage, process through 2 procedures at B201 stage tungsten rod, first operation joins molded degree: Φ 3.9, Φ 3.6, first heating furnace 1 and the second heating furnace 4 temperature are decided to be: 1450 DEG C of first guide roller 3 speed is 3.3m/min, and the second guide roller 6 temperature is set to 3.9m/min.Second operation work is joined molded degree and is decided to be for Φ 3.3, Φ 3.0, the first heating furnace 1 and the second heating furnace 4 temperature: 1400 DEG C.First guide roller 3 speed is 3.6m/min, and the second guide roller 6 speed is set to: 4.3m/min, can obtain the rare-earth tungsten electrode material of Φ 6-Φ 3 plurality of specifications.
Example 2:
The base bar of the Φ 6.5 swaged through B203 is put into the continuous swager of B202 process, base bar composition is: by weight percentage, and rare earth oxide content is 0.44%La
2o
3, 1.32%Y
2o
3, 0.44%CeO
2, surplus is tungsten, first by the first heating furnace 1, second 4 liters, heating furnace is warming to 1470 DEG C, the charging rate of base bar is controlled at 2m/min, first operation arranges the first swager 2 and the second swager 5, and to join molded degree be Φ 6.0, Φ 5.6, first guide roller 3 speed is 2.3m/min, second guide roller 6 speed is set to 2.7m/min, after the processing of first operation, base bar is put into join and be molded degree for Φ 5.2, second operation work processing is carried out in the continuous rotary swaging equipment of Φ 4.8, first heating furnace 1 and the second heating furnace 4 temperature are decided to be: 1430 DEG C, first guide roller 3 speed is 2.3m/min, second guide roller 6 speed is set to: 2.7m/min, afterwards base bar is put into and join molded degree and be: Φ 4.4, process in the three process of Φ 4.1, first heating furnace 1 and the second heating furnace 4 temperature are set to 1430 DEG C, and the first guide roller 3 speed is 2.4m/min, and the second guide roller 6 speed is set to: 2.7m/min, after three process terminates, start to enter the B201 stage, process through 2 procedures at B201 stage tungsten rod, first operation joins molded degree: Φ 3.9, Φ 3.6, first heating furnace 1 and the second heating furnace 4 temperature are decided to be: 1430 DEG C of first guide roller 3 speed is 2.2m/min, and the second guide roller 6 temperature is set to 2.6m/min.Second operation work is joined molded degree and is decided to be for Φ 3.3, Φ 3.0, the first heating furnace 1 and the second heating furnace 4 temperature: 1370 DEG C.First guide roller 3 speed is 2.4m/min, and the second guide roller 6 speed is set to: 2.9m/min, can obtain the rare-earth tungsten electrode material of Φ 6-Φ 3 plurality of specifications.
Example 3:
The base bar of the Φ 6.5 swaged through B203 is put into the continuous swager of B202 process, base bar composition is: by weight percentage, and rare earth oxide content is 0.44%La
2o
3, 1.32%Y
2o
3, 0.44%CeO
2, surplus is tungsten, first by the first heating furnace 1, second 4 liters, heating furnace is warming to 1450 DEG C, the charging rate of base bar is controlled at 3m/min, first operation arranges the first swager 2 and the second swager 5, and to join molded degree be Φ 6.0, Φ 5.6, first guide roller 3 speed is 2.9m/min, second guide roller 6 speed is set to 3.4m/min, after the processing of first operation, base bar is put into join and be molded degree for Φ 5.2, second operation work processing is carried out in the continuous rotary swaging equipment of Φ 4.8, first heating furnace 1 and the second heating furnace 4 temperature are decided to be: 1400 DEG C, first guide roller 3 speed is 2.9m/min, second guide roller 6 speed is set to: 3.4m/min, afterwards base bar is put into and join molded degree and be: Φ 4.4, process in the three process of Φ 4.1, first heating furnace 1 and the second heating furnace 4 temperature are set to 1400 DEG C, and the first guide roller 3 speed is 3.0m/min, and the second guide roller 6 speed is set to: 3.4m/min, after three process terminates, start to enter the B201 stage, process through 2 procedures at B201 stage tungsten rod, first operation joins molded degree: Φ 3.9, Φ 3.6, first heating furnace 1 and the second heating furnace 4 temperature are decided to be: 1350 DEG C of first guide roller 3 speed is 2.8m/min, and the second guide roller 6 temperature is set to 3.2m/min.It is Φ 3.3 that second operation work joins molded degree, Φ 3.0, first heating furnace 1 and the second heating furnace 4 temperature are decided to be: 1350 DEG C of first guide roller 3 speed is 3.0m/min, and the second guide roller 6 speed is set to: 3.6m/min, can obtain the rare-earth tungsten electrode material of Φ 6-Φ 3 plurality of specifications.
The above; be only the present invention's preferably detailed description of the invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.
Claims (3)
1. the special method of swaging continuously of multicomponent composite tungsten electrode, is characterized in that, comprises the continuous rotary swaging equipment be made up of the first heating furnace, the first swager, the first guide roller, the second heating furnace, the second swager, the second guide roller;
Comprise step:
First by the first heating furnace, second heating furnace is warmed up to 1450 ~ 1500 DEG C, is then that the electrode material of multielement composite rare earth tungsten of Φ 6.5mm carries out B202 stage and B201 stage process successively with the described continuous rotary swaging equipment of 2 ~ 3m/min speed feeding by the diameter after B203 swages;
Need through three passage processing in the B202 stage, process system is respectively:
First: the first swager apolegamy Φ 6.0 mould; Second swager apolegamy Φ 5.6 mould; First heating furnace, the second furnace temp are set to: 1450 ~ 1500 DEG C;
Second: the first swager apolegamy Φ 5.2 mould; Second swager apolegamy Φ 4.8 mould; First heating furnace, the second furnace temp are set to: 1400 ~ 1450 DEG C;
3rd road: the first swager apolegamy Φ 4.4 mould; Second swager apolegamy Φ 4.1 mould; First heating furnace, the second furnace temp are set to: 1400 ~ 1450 DEG C;
Process through two passages in the B201 stage, its process system is respectively:
First: the first swager apolegamy Φ 3.9 mould; Second swager apolegamy Φ 3.6 mould; First heating furnace, the second furnace temp are set to: 1400 ~ 1450 DEG C;
Second: the first swager apolegamy Φ 3.3 mould; Second swager apolegamy Φ 3.0 mould; First heating furnace, the second furnace temp are set to: 1350 ~ 1400 DEG C.
2. the special method of swaging continuously of multicomponent composite tungsten electrode according to claim 1, is characterized in that, described first swager and the second swager same model, same frequency, same to speed;
Each device relative position of described continuous rotary swaging equipment is as follows:
The molybdenum filament heating furnace of the first heating furnace to be pipe range be 1m, it is 15cm apart from the first swager distance, first guide roll spacing first swager and the second heating furnace distance are 10cm, second heating furnace is the long molybdenum filament pipe furnace for 0.7m of boiler tube, second swager and the second heating furnace distance 15cm, with the second guide roll spacing from 10cm.
3. the special method of swaging continuously of multicomponent composite tungsten electrode according to claim 1 and 2, it is characterized in that, the composition of described electrode material of multielement composite rare earth tungsten is:
By weight percentage, rare earth oxide content is 0.44%La
2o
3, 1.32%Y
2o
3, 0.44%CeO
2, surplus is tungsten.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104999010A (en) * | 2015-07-24 | 2015-10-28 | 苏州云舒新材料科技有限公司 | Round-steel surface forging cooling device |
| CN108296401A (en) * | 2018-02-01 | 2018-07-20 | 包头稀土研究院 | The manufacturing method of minor diameter Nd/Sm rare earth metal silk materials |
| CN108296304A (en) * | 2018-02-01 | 2018-07-20 | 包头稀土研究院 | The manufacturing method of minor diameter La/Ce/Pr/Eu rare earth metal silk materials |
| CN108326070A (en) * | 2018-02-01 | 2018-07-27 | 包头稀土研究院 | The manufacturing method of minor diameter Ho/Er rare earth metal silk materials |
| CN108326071A (en) * | 2018-02-01 | 2018-07-27 | 包头稀土研究院 | The manufacturing method of minor diameter Gd/Dy/Tb rare earth metal silk materials |
| CN108339864A (en) * | 2018-02-01 | 2018-07-31 | 包头稀土研究院 | The manufacturing method of minor diameter Tm/Lu/Y rare earth metal silk materials |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104999010A (en) * | 2015-07-24 | 2015-10-28 | 苏州云舒新材料科技有限公司 | Round-steel surface forging cooling device |
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| CN108296304A (en) * | 2018-02-01 | 2018-07-20 | 包头稀土研究院 | The manufacturing method of minor diameter La/Ce/Pr/Eu rare earth metal silk materials |
| CN108326070A (en) * | 2018-02-01 | 2018-07-27 | 包头稀土研究院 | The manufacturing method of minor diameter Ho/Er rare earth metal silk materials |
| CN108326071A (en) * | 2018-02-01 | 2018-07-27 | 包头稀土研究院 | The manufacturing method of minor diameter Gd/Dy/Tb rare earth metal silk materials |
| CN108339864A (en) * | 2018-02-01 | 2018-07-31 | 包头稀土研究院 | The manufacturing method of minor diameter Tm/Lu/Y rare earth metal silk materials |
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