CN102974610A - Production method of industrial pure titanium wire rod - Google Patents
Production method of industrial pure titanium wire rod Download PDFInfo
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- CN102974610A CN102974610A CN2012105189792A CN201210518979A CN102974610A CN 102974610 A CN102974610 A CN 102974610A CN 2012105189792 A CN2012105189792 A CN 2012105189792A CN 201210518979 A CN201210518979 A CN 201210518979A CN 102974610 A CN102974610 A CN 102974610A
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- pure titanium
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- titanium
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Abstract
The invention provides a production method of an industrial pure titanium wire rod, which comprises the following steps of heating of an industrial pure titanium square billet, rough rolling, middle rolling, prefinish rolling, finish rolling, spinning in circles, wind cooling, coil collection and air cooling, and then the industrial pure titanium wire rod is obtained. The industrial pure titanium wire rod, the piece weight of which exceeds 400 kg, can be produced, the production efficiency and the yield of the industrial pure titanium wire rod are effectively increased, the problems of easiness in oxidation and hydrogen embrittlement of industrial pure titanium in prior art are solved, the heating cost of the industrial pure titanium square billet is effectively reduced, continuous production on a large scale can be realized, the rolling speed and the rolling power are increased, and an ideal metallographic structure and physical properties are obtained. By utilizing the method, the industrial pure titanium wire rod with large coil weight can be efficiently produced, the precision of the product size is high, and the structure property is good.
Description
Technical field
The present invention relates to a kind of milling method, especially a kind of production method of industrially pure titanium wire rod belongs to nonferrous materials processing and field shaping technique.
Background technology
The titanium or titanium alloy wire rod is because of its excellent decay resistance and high specific strength, strong characteristics such as human body affinity, and is widely used in the fields such as Aero-Space, automobile, tool connection, medicine equipment.The titanium or titanium alloy line, the silk material production, usually adopt discontinuous formula rolling mode, with titanium or titanium alloy be rolled into φ 6～φ 10 line, the silk base, redraw into required specification wire rod or the silk material.The shortcomings such as the production method of existing titanium or titanium alloy line, silk base is generally and forges or swage, and these two kinds of methods all need heating for multiple times, have the energy consumption height, and labour intensity is large, and production efficiency is low, and the product size fluctuation is large, and type quality is poor.In recent years also occur utilizing hot rolling to produce the method for titanium or titanium alloy rod, wire rod.Chinese patent CN200610044633.8 provides a kind of three roll shape milling train groups of passing through---two roller tandem rolling units---without the method for the rolling pure titanium rod of roller tandem rolling unit, wire rod; Chinese patent CN200610069108.1 provides a kind of method by the rolling titanium or titanium alloy rod of three-roller Y shaped tandem mill wire rod.Two kinds of methods all only need once heating, and carry out continous way production, and the product substance reaches 50～100kg, compare traditional forging or swage, and product is having obvious raising aspect energy consumption, production efficiency and the workpiece measurement precision.But the market demand that day by day strengthens along with the titanium or titanium alloy wire rod, and the user is to improving constantly that monovolume weight and product quality require, prior art has still manifested the deficiencies such as production efficiency is low, unstable product quality.
Summary of the invention
For Effective Raise production efficiency and product quality, satisfy the market demand that day by day strengthens, the invention provides a kind of production method of industrially pure titanium wire rod.
Technological process of the present invention is: the heating → roughing of industrially pure titanium square billet → in roll → the pre-finish rolling → finish rolling → lopping of weaving silk → air-cooled → collection volume → air cooling, get the industrially pure titanium wire rod.Rolled piece rolls by in thick, pre-finish rolling, finish rolling, the lopping of weaving silk after heating furnace is heated to set point of temperature, cools off at air-cooled line again.Caliper is housed after the mm finishing mill unit, workpiece measurement is carried out on-line monitoring, improve the dimensional accuracy of product; Rolled piece is weaved silk after the lopping, cools off at air-cooled line, can control as required cooling velocity, guarantees the rolled piece performance, obtains desirable metallographic structure.
The production method of a kind of industrially pure titanium wire rod provided by the invention, the process following process steps:
A, the titanium base is sent into heating furnace, be heated to 700～870 ℃, control time inside furnace 50～90 minutes, and the titanium base is controlled at 20～50 minutes in the time of heating furnace soaking zone, with homogenising titanium base;
B, the titanium base that steps A is heated send milling train, are 680～860 ℃ at start rolling temperature, and mill speed is under the condition of 0.1～0.6m/s, and roughing 6 passages get the roughing part; Be 600～750 ℃ in temperature, mill speed is under the condition of 1.0～3.0m/s, rolls 6 passages during the roughing part is carried out, and gets middle rolled piece; Be 650～750 ℃ in outlet temperature, mill speed is under the condition of 3.5～12m/s, and the centering rolled piece carries out pre-finish rolling 6～8 passages, gets pre-finish rolling part; Be 620～720 ℃ in temperature, mill speed is under the condition of 40～100m/s, and pre-finish rolling part is carried out finish rolling 6～10 passages, gets the finish rolling part;
C, send Laying head with the finish rolling part of step B, under 760～860 ℃ of temperature, weave silk into the titanium circle;
D, with the titanium circle of step C air-supply cold line, cool off, and the control final cooling temperature is 420～520 ℃, send the Ji Juantongji volume after, natural air cooling gets the industrially pure titanium wire rod to room temperature.
The heating furnace of described steps A, B, C, D, milling train, Laying head, air-cooled line, collection reel are conventional equipment.
The present invention compared with prior art has the following advantages:
1, can produce the industrially pure titanium wire rod that substance surpasses 400kg by the present invention, Effective Raise production efficiency and the lumber recovery of industrially pure titanium wire rod.
2, the present invention has solved the problem that industrially pure titanium of the prior art is easy to oxidation and hydrogen embrittlement by adding thermal control, effectively reduces the heating cost of industrially pure titanium square billet, and can realize consecutive production in enormous quantities.
3, the present invention has improved mill speed and rolling power by full continuous high speed roll control.
4, the present invention has obtained desirable metallographic structure and physical property by air-cooled control.
The specific embodiment
Below in conjunction with embodiment the present invention is described further.
Embodiment 1
A, the industrially pure titanium square billet that will be of a size of 150mm * 150mm * 4000 mm are sent into the heat accumulating type gas-fired furnace and are heated to 700 ℃, time inside furnace 50 minutes, and control industrially pure titanium square billet is 20 minutes in the time of soaking zone, with homogenising titanium base;
B, the titanium base that steps A is heated send milling train, are 680 ℃ at start rolling temperature, and mill speed is under the condition of 0.6m/s, and roughing 6 passages get the roughing part; Be 6000 ℃ in temperature, mill speed is under the condition of 3.0m/s, rolls 6 passages during the roughing part is carried out, and gets middle rolled piece; Be 650 ℃ in outlet temperature, mill speed is under the condition of 10m/s, and the centering rolled piece carries out pre-finish rolling 6 passages, gets pre-finish rolling part; Be 620 ℃ in temperature, mill speed is under the condition of 100m/s, and pre-finish rolling part is carried out finish rolling 6 passages, gets the finish rolling part;
C, send Laying head with the finish rolling part of step B, under 760 ℃, weave silk into the titanium circle;
D, the titanium circle of step C air-supply cold line is cooled off, and the control final cooling temperature is 420 ℃, send the Ji Juantongji volume after, natural air cooling must roll up the industrially pure titanium wire rod of weight 400kg to room temperature.
Embodiment 2
A, the industrially pure titanium square billet that will be of a size of 150mm * 150mm * 8000 mm are sent into the heat accumulating type gas-fired furnace and are heated to 800 ℃, time inside furnace 70 minutes, and control industrially pure titanium square billet is 35 minutes in the time of soaking zone, with homogenising titanium base;
B, the titanium base that steps A is heated send milling train, are 780 ℃ at start rolling temperature, and mill speed is under the condition of 0.3m/s, and roughing 6 passages get the roughing part; Be 700 ℃ in temperature, mill speed is under the condition of 2.0m/s, rolls 6 passages during the roughing part is carried out, and gets middle rolled piece; Be 680 ℃ in outlet temperature, mill speed is under the condition of 8m/s, and the centering rolled piece carries out pre-finish rolling 8 passages, gets pre-finish rolling part; Be 650 ℃ in temperature, mill speed is under the condition of 70m/s, and pre-finish rolling part is carried out finish rolling 8 passages, gets the finish rolling part;
C, send Laying head with the finish rolling part of step B, under 800 ℃, weave silk into the titanium circle;
D, the titanium circle of step C air-supply cold line is controlled cooling, the control final cooling temperature is 480 ℃, send the Ji Juantongji volume after, natural air cooling must roll up the industrially pure titanium wire rod of weight 400kg to room temperature.
Embodiment 3
A, the industrially pure titanium square billet that will be of a size of 150mm * 150mm * 11400 mm are sent into the heat accumulating type gas-fired furnace and are heated to 870 ℃, time inside furnace 90 minutes, and guaranteeing pure titanium square billet in the 50 minutes time of soaking zone, homogenising titanium base enters milling train after the titanium base is come out of the stove and is rolled.
B, the titanium base that steps A is heated send milling train, are 860 ℃ at start rolling temperature, and mill speed is under the condition of 0.1m/s, and roughing 6 passages get the roughing part; Be 750 ℃ in temperature, mill speed is under the condition of 1.0m/s, rolls 6 passages during the roughing part is carried out, and gets middle rolled piece; Be 750 ℃ in outlet temperature, mill speed is under the condition of 3.5m/s, and the centering rolled piece carries out pre-finish rolling 7 passages, gets pre-finish rolling part; Be 720 ℃ in temperature, mill speed is under the condition of 40m/s, and pre-finish rolling part is carried out finish rolling 10 passages, gets the finish rolling part;
C, send Laying head with the finish rolling part of step B, under 860 ℃, weave silk into the titanium circle;
D, the titanium circle of step C air-supply cold line is controlled cooling, the control final cooling temperature is 520 ℃, send the Ji Juantongji volume after, natural air cooling must roll up the industrially pure titanium wire rod of weight 400kg to room temperature.
Claims (1)
1. the production method of an industrially pure titanium wire rod is characterized in that through following process steps:
A, the titanium base is sent into heating furnace, be heated to 700～870 ℃, control time inside furnace 50～90 minutes, and the titanium base is controlled at 20～50 minutes in the time of heating furnace soaking zone, with homogenising titanium base;
B, the titanium base that steps A is heated send milling train, are 680～860 ℃ at start rolling temperature, and mill speed is under the condition of 0.1～0.6m/s, and roughing 6 passages get the roughing part; Be 600～750 ℃ in temperature, mill speed is under the condition of 1.0～3.0m/s, rolls 6 passages during the roughing part is carried out, and gets middle rolled piece; Be 650～750 ℃ in outlet temperature, mill speed is under the condition of 3.5～12m/s, and the centering rolled piece carries out pre-finish rolling 6～8 passages, gets pre-finish rolling part; Be 620～720 ℃ in temperature, mill speed is under the condition of 40～100m/s, and pre-finish rolling part is carried out finish rolling 6～10 passages, gets the finish rolling part;
C, send Laying head with the finish rolling part of step B, under 760～860 ℃ of temperature, weave silk into the titanium circle;
D, with the titanium circle of step C air-supply cold line, cool off, and the control final cooling temperature is 420～520 ℃, send the Ji Juantongji volume after, natural air cooling gets the industrially pure titanium wire rod to room temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210518979.2A CN102974610B (en) | 2012-12-06 | 2012-12-06 | Production method of industrial pure titanium wire rod |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210518979.2A CN102974610B (en) | 2012-12-06 | 2012-12-06 | Production method of industrial pure titanium wire rod |
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| CN102974610A true CN102974610A (en) | 2013-03-20 |
| CN102974610B CN102974610B (en) | 2014-09-17 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103276243A (en) * | 2013-06-19 | 2013-09-04 | 武钢集团昆明钢铁股份有限公司 | Titanium alloy coil rod and production method thereof |
| CN104028553A (en) * | 2014-05-30 | 2014-09-10 | 云南钛业股份有限公司 | Method for producing TC4 titanium alloy rods and wires through high-speed continuous mill |
| CN104174649A (en) * | 2014-07-21 | 2014-12-03 | 攀钢集团攀枝花钢铁研究院有限公司 | Method for producing titanium and titanium alloy wires through hot continuous rolling |
| CN105149346A (en) * | 2015-09-07 | 2015-12-16 | 云南钛业股份有限公司 | Method of producing TA10 alloy wire rods through high-speed wire mill |
| CN109127726A (en) * | 2018-08-22 | 2019-01-04 | 佛山职业技术学院 | A kind of preparation method of technical pure titanium plate |
| CN113000599A (en) * | 2020-12-30 | 2021-06-22 | 云南钛业股份有限公司 | Production method for efficiently rolling titanium alloy wire rod |
| CN113333463A (en) * | 2021-05-27 | 2021-09-03 | 安徽首矿大昌金属材料有限公司 | Q195 cold forging steel production process |
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2012
- 2012-12-06 CN CN201210518979.2A patent/CN102974610B/en not_active Expired - Fee Related
Patent Citations (6)
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| US4168185A (en) * | 1977-02-25 | 1979-09-18 | Kobe Steel, Ltd. | Production method of titanium hot coil by continuous hot rolling system |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103276243A (en) * | 2013-06-19 | 2013-09-04 | 武钢集团昆明钢铁股份有限公司 | Titanium alloy coil rod and production method thereof |
| CN104028553A (en) * | 2014-05-30 | 2014-09-10 | 云南钛业股份有限公司 | Method for producing TC4 titanium alloy rods and wires through high-speed continuous mill |
| CN104174649A (en) * | 2014-07-21 | 2014-12-03 | 攀钢集团攀枝花钢铁研究院有限公司 | Method for producing titanium and titanium alloy wires through hot continuous rolling |
| CN104174649B (en) * | 2014-07-21 | 2016-01-20 | 攀钢集团攀枝花钢铁研究院有限公司 | Hot continuous rolling produces the method for titanium or titanium alloy wire rod |
| CN105149346A (en) * | 2015-09-07 | 2015-12-16 | 云南钛业股份有限公司 | Method of producing TA10 alloy wire rods through high-speed wire mill |
| CN109127726A (en) * | 2018-08-22 | 2019-01-04 | 佛山职业技术学院 | A kind of preparation method of technical pure titanium plate |
| CN109127726B (en) * | 2018-08-22 | 2020-06-19 | 佛山职业技术学院 | Preparation method of industrial pure titanium plate |
| CN113000599A (en) * | 2020-12-30 | 2021-06-22 | 云南钛业股份有限公司 | Production method for efficiently rolling titanium alloy wire rod |
| CN113333463A (en) * | 2021-05-27 | 2021-09-03 | 安徽首矿大昌金属材料有限公司 | Q195 cold forging steel production process |
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| CN102974610B (en) | 2014-09-17 |
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Granted publication date: 20140917 Termination date: 20211206 |