CN106363117A - Forging method for large-specification GH1016 round alloy rods - Google Patents
Forging method for large-specification GH1016 round alloy rods Download PDFInfo
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- CN106363117A CN106363117A CN201611011858.3A CN201611011858A CN106363117A CN 106363117 A CN106363117 A CN 106363117A CN 201611011858 A CN201611011858 A CN 201611011858A CN 106363117 A CN106363117 A CN 106363117A
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- forging
- feed rate
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- rotation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
Abstract
The invention relates to a forging method for large-specification GH1016 round alloy rods, and belongs to the field of high-temperature alloy precise forging. According to the method, the problem of difficult forging machining for the large-specification GH1016 round alloy rods is solved, the yield of the large-specification GH1016 round alloy rods is increased, and the uniformity of cross-section structures is improved through reasonably selecting blank specifications, a tapping temperature, forging passes and forging pass deformation parameters.
Description
Technical field
The present invention relates to high temperature alloy finish forge, relate generally to a kind of forging method of big specification gh1016 alloy pole.
Background technology
Gh1016 alloy is the austenitic iron based alloy strengthened with tungsten, molybdenum, niobium, nitrogen, and alloy solid solution state is organized as Ovshinsky
Body, also volume fraction be about 2% nascent z phase and exist, this alloy mainly for the manufacture of the installation side of electromotor, using temperature
At 750 DEG C about.Gh1016 alloy falls within less-deformable alloy, its narrow forging temperature, and resistance of deformation is big.
The big specification pole of gh1016 alloy is typically forged using accurate radial forging unit, the main work of this unit
Skill parameter (for example: blank feed rate, the anglec of rotation, feed) wider range, causes this alloying technology and formulates difficult, forging
Make easy to crack, and the problems such as uneven microstructure, production cost is high, the low problem of lumber recovery is especially prominent.
Content of the invention
Problem to be solved by this invention is to provide a kind of forging method of big specification gh1016 alloy pole.
The forging method of big specification gh1016 alloy pole, sends into radial forging including by gh1016 alloy pole blank
The step that group is forged, blank diameter be φ 320～380mm, length be 1250～1300mm, tapping temperature be 1150～
1170 DEG C, forge at least 4 passages altogether, between 1.01～1.35, feed rate is in 2.5～4.5m/min for forging ratio.
Wherein, the often hammer anglec of rotation of pole blank is 15～18 °, and hammering frequency is 180～240 times/min.
Preferably, forge 4～7 passages, the first passage altogether, select forging ratio to be 1.01～1.1, feed rate 4.2～
4.5m/min, often hammers 16.1 ° of the anglec of rotation into shape, and hammering frequency is 180 times/min；Second to four-pass, and forging ratio is 1.01～
1.35, feed rate 2.5～3.5m/min, often hammer 16.1 ° of the anglec of rotation into shape, and hammering frequency is 180 times/min；5th passage and with
Passage afterwards, forging ratio is 1.01～1.33, feed rate 2.5～3.0m/min, often hammers 16.1 ° of the anglec of rotation into shape, and hammering frequency is
180 times/min.
Preferably, with the increase of passage, feed rate gradually decreases.
Preferably, forge five passages, the first passage altogether, select forging ratio to be 1.04, feed rate 4.3m/min, often hammer into shape
16.1 ° of the anglec of rotation, hammering frequency is 180 times/min；Second passage, selects forging ratio to be 1.3, feed rate 3.3m/min,
Often hammer 16.1 ° of the anglec of rotation into shape, hammering frequency is 180 times/min；3rd passage, selects forging ratio to be 1.3, feed rate 3.2m/
Min, often hammers 16.1 ° of the anglec of rotation into shape, and hammering frequency is 180 times/min；Four-pass, selects forging ratio to be 1.15, feed rate
2.7m/min, often hammers 16.1 ° of the anglec of rotation into shape, and hammering frequency is 180 times/min；5th passage, selects forging ratio to be 1.13, is sent into
Speed 2.6m/min, often hammers 16.1 ° of the anglec of rotation into shape, and hammering frequency is 180 times/min.
Beneficial effects of the present invention:
1st, the method passes through reasonable selection blank specification, forging temperature, forging passage and forging passage deformation parameter, solution
Big specification gh1016 alloy pole of having determined forges the problem of processing difficulties.
2nd, improve lumber recovery and cross section tissue's uniformity of big specification gh1016 alloy pole.
Brief description
Fig. 1 is the surface texture of gh1016 pole finished product.
Fig. 2 is the core structure of gh1016 pole finished product.
Specific embodiment
Problem to be solved by this invention is to provide a kind of forging method of big specification gh1016 alloy pole.
The forging method of big specification gh1016 alloy pole, sends into radial forging including by gh1016 alloy pole blank
The step that group is forged, blank diameter be φ 320～380mm, length be 1250～1300mm, tapping temperature be 1150～
1170 DEG C, forge at least 4 passages altogether, between 1.01～1.35, feed rate is in 2.5～4.5m/min for forging ratio.
Wherein, the often hammer anglec of rotation of pole blank is 15～18 °, and hammering frequency is 180～240 times/min.Often hammer rotation
15～18 ° of gyration is meant that after beating every time, rotates 15～18 ° while blank is sent into by unit
Preferably, forge 4～7 passages, the first passage altogether, select forging ratio to be 1.01～1.1, feed rate 4.2～
4.5m/min, often hammers 16.1 ° of the anglec of rotation into shape, and hammering frequency is 180 times/min；Second to four-pass, and forging ratio is 1.01～
1.35, feed rate 2.5～3.5m/min, often hammer 16.1 ° of the anglec of rotation into shape, and hammering frequency is 180 times/min；5th passage and with
Passage afterwards, forging ratio is 1.01～1.33, feed rate 2.5～3.0m/min, often hammers 16.1 ° of the anglec of rotation into shape, and hammering frequency is
180 times/min.
Preferably, with the increase of passage, feed rate gradually decreases.
Preferably, forge five passages, the first passage altogether, select forging ratio to be 1.04, feed rate 4.3m/min, often hammer into shape
16.1 ° of the anglec of rotation, hammering frequency is 180 times/min；Second passage, selects forging ratio to be 1.3, feed rate 3.3m/min,
Often hammer 16.1 ° of the anglec of rotation into shape, hammering frequency is 180 times/min；3rd passage, selects forging ratio to be 1.3, feed rate 3.2m/
Min, often hammers 16.1 ° of the anglec of rotation into shape, and hammering frequency is 180 times/min；Four-pass, selects forging ratio to be 1.15, feed rate
2.7m/min, often hammers 16.1 ° of the anglec of rotation into shape, and hammering frequency is 180 times/min；5th passage, selects forging ratio to be 1.13, is sent into
Speed 2.6m/min, often hammers 16.1 ° of the anglec of rotation into shape, and hammering frequency is 180 times/min.
With reference to embodiment, the specific embodiment of the present invention is further described, therefore the present invention is not limited
System is among described scope of embodiments.
The forging method of embodiment big specification gh1016 alloy pole
Blank diameter is φ=350mm, length 1300mm, 1160 DEG C of tapping temperature, and final products specification is φ 150mm,
Length 6800mm, every time keeps often hammering the anglec of rotation into shape respectively is 16.1 ° and hammering 180 times/min of frequency, forges 5 passages altogether.
During using finish forge unit forging gh1016 pole, the deformation parameter such as feed rate and the anglec of rotation and pass deformation such as table 1
Shown:
First passage, selects forging ratio to be 1.04, after-swage dimension is φ 335mm, feed rate 4.3m/min；
Second passage, selects forging ratio to be 1.3, after-swage dimension is φ 258mm, feed rate 3.3m/min；
3rd passage, selects forging ratio to be 1.3, after-swage dimension is φ 196mm, feed rate 3.2m/min；
Four-pass, selects forging ratio to be 1.15, after-swage dimension is φ 170mm, feed rate 2.7m/min；
5th passage, selects forging ratio to be 1.13, after-swage dimension is φ 150mm, feed rate 2.6m/min.
Table 1 gh1016 pole finish forge product and technique
The gh1016 pole finished product structure tissue obtaining is shown in Fig. 1, Fig. 2.It can be seen that forging had both been solved using this forging method
Problem, solves fractography homogeneity question again.
Claims (5)
1. the forging method of big specification gh1016 alloy pole, sends into radial forging unit including by gh1016 alloy pole blank
The step that forged it is characterised in that: blank diameter is φ 320～380mm, and length is 1250～1300mm, tapping temperature
For 1150～1170 DEG C, forge at least 4 passages altogether, between 1.01～1.35, feed rate is 2.5～4.5m/ to forging ratio
min.
2. the forging method of big specification gh1016 alloy pole according to claim 1 is it is characterised in that pole blank
Often the hammer anglec of rotation is 15～18 °, and hammering frequency is 180～240 times/min.
3. the forging method of big specification gh1016 alloy pole according to claim 2 is it is characterised in that forge 4～7 altogether
Individual passage, the first passage, select forging ratio to be 1.01～1.1, feed rate 4.2～4.5m/min, often hammer the anglec of rotation into shape
16.1 °, hammering frequency is 180 times/min；Second to four-pass, and forging ratio is 1.01～1.35, and feed rate 2.5～
3.5m/min, often hammers 16.1 ° of the anglec of rotation into shape, and hammering frequency is 180 times/min；5th passage and later passage, forging ratio is
1.01～1.33, feed rate 2.5～3.0m/min, often hammer 16.1 ° of the anglec of rotation into shape, and hammering frequency is 180 times/min.
4. the big specification gh1016 alloy pole according to any one of claims 1 to 3 forging method it is characterised in that
With the increase of passage, feed rate gradually decreases.
5. the big specification gh1016 alloy pole according to any one of claim 2～4 forging method it is characterised in that
Forge five passages, the first passage altogether, select forging ratio to be 1.04, feed rate 4.3m/min, often hammer 16.1 ° of the anglec of rotation into shape,
Hammering frequency is 180 times/min；Second passage, selects forging ratio to be 1.3, and feed rate 3.3m/min often hammers the anglec of rotation into shape
16.1 °, hammering frequency is 180 times/min；3rd passage, selects forging ratio to be 1.3, feed rate 3.2m/min, often hammer rotation
16.1 ° of angle, hammering frequency is 180 times/min；Four-pass, selects forging ratio to be 1.15, and feed rate 2.7m/min is often hammered into shape
16.1 ° of the anglec of rotation, hammering frequency is 180 times/min；5th passage, selects forging ratio to be 1.13, feed rate 2.6m/min,
Often hammer 16.1 ° of the anglec of rotation into shape, hammering frequency is 180 times/min.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112775370A (en) * | 2020-12-26 | 2021-05-11 | 江苏尚吉亨通新材料有限公司 | Short-process preparation method for titanium and titanium alloy pipes |
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| JPH06238387A (en) * | 1993-02-16 | 1994-08-30 | Daido Steel Co Ltd | Forging of long size steel |
| CN103567337A (en) * | 2013-10-26 | 2014-02-12 | 芜湖新兴铸管有限责任公司 | Dual-phase steel hot processing method |
| CN103920846A (en) * | 2014-04-14 | 2014-07-16 | 攀钢集团江油长城特殊钢有限公司 | Radial forging method for high temperature alloy step shaft |
| CN104785690A (en) * | 2015-05-12 | 2015-07-22 | 攀钢集团研究院有限公司 | Forging method for high temperature alloy GH4169 round rod |
| CN104826968A (en) * | 2015-05-07 | 2015-08-12 | 攀钢集团研究院有限公司 | GH4169 high-temperature alloy round rod finish forging method |
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2016
- 2016-11-17 CN CN201611011858.3A patent/CN106363117B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06238387A (en) * | 1993-02-16 | 1994-08-30 | Daido Steel Co Ltd | Forging of long size steel |
| CN103567337A (en) * | 2013-10-26 | 2014-02-12 | 芜湖新兴铸管有限责任公司 | Dual-phase steel hot processing method |
| CN103920846A (en) * | 2014-04-14 | 2014-07-16 | 攀钢集团江油长城特殊钢有限公司 | Radial forging method for high temperature alloy step shaft |
| CN104826968A (en) * | 2015-05-07 | 2015-08-12 | 攀钢集团研究院有限公司 | GH4169 high-temperature alloy round rod finish forging method |
| CN104785690A (en) * | 2015-05-12 | 2015-07-22 | 攀钢集团研究院有限公司 | Forging method for high temperature alloy GH4169 round rod |
Non-Patent Citations (2)
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| 中国机械工程学会塑性工程学会: "《锻压手册》", 31 August 2013, 机械工业出版社 * |
| 工程材料实用手册编辑委员会: "《工程材料实用手册》", 31 March 1989, 中国标准出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112775370A (en) * | 2020-12-26 | 2021-05-11 | 江苏尚吉亨通新材料有限公司 | Short-process preparation method for titanium and titanium alloy pipes |
| CN112775370B (en) * | 2020-12-26 | 2023-05-23 | 江苏宇钛新材料有限公司 | Short-process preparation method for titanium and titanium alloy pipe |
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Effective date of registration: 20230922 Address after: 617000 Taoyuan street, East District, Panzhihua, Sichuan Province, No. 90 Patentee after: PANGANG GROUP PANZHIHUA IRON & STEEL RESEARCH INSTITUTE Co.,Ltd. Patentee after: Chengdu advanced metal material industry technology Research Institute Co.,Ltd. Address before: 617000 Taoyuan street, East District, Panzhihua, Sichuan Province, No. 90 Patentee before: PANGANG GROUP PANZHIHUA IRON & STEEL RESEARCH INSTITUTE Co.,Ltd. |
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