CN100455368C - Method for rolling pure titanium rod and wire - Google Patents
Method for rolling pure titanium rod and wire Download PDFInfo
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- CN100455368C CN100455368C CNB2006100446338A CN200610044633A CN100455368C CN 100455368 C CN100455368 C CN 100455368C CN B2006100446338 A CNB2006100446338 A CN B2006100446338A CN 200610044633 A CN200610044633 A CN 200610044633A CN 100455368 C CN100455368 C CN 100455368C
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Abstract
The invention relates to pure titanium products rolling method. It rolls the Phi100mm pure titanium bar blank heated to 600- 850deg.C for 6-8 times, using two rolling machine connected set vertically rolling to Phi20-10mm bars or wire blanks for 8-12 times, using torque free linking roll set rolling the wire blank to Phi8-6mm for 2-6 times by rolling the Phi10mm wires. It only needs to heat once if it is using blank smaller than the size of Phi100mm. It is highly efficient, energy saving, high in precision, and fine in structure compared with existing ones.
Description
Technical field
The present invention relates to a kind of processing method of pure titanium rod wire rod
Background technology
Titanium or titanium alloy has that height ratio is strong, acid and alkali-resistance, with the strong characteristics of human body affinity, and be widely used in industries such as aviation, medicine, petrochemical industry.At present, the processing of pure titanium rod generally adopts forging method that the ingot casting of big specification is swaged into the bars of Φ 80-20mm through many fire, swages through the many fire of the equipment of swaging and is processed into the bar of Φ 20-10mm; The processing of pure titanium wire base generally is to adopt the hand fed mode at 250 open-train mills Φ 30mm rod base heating back, the discontinuous line base that is rolled into Φ 8mm.Fig. 1 is seen in its technological process.
Forge, swage and produce the method for pure titanium rod material, add showing tremendous enthusiasm time many, power consumption is high; Operative employee's labour intensity is big, and production efficiency is low; Length is short and diameter deviation is big.
The rolling pure titanium wire base of open-train mill (as shown in Figure 2) method, the length of line base is restricted, and maximum substance has only about 5kg, mill speed is low, and rolling time is long, and not only production efficiency is low, and cause the rolling end to end temperature difference of line base big, the big and tissue odds of the diameter deviation of pure titanium wire base.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, proposed a kind of new pure titanium rod wire rolling method (as shown in Figure 3), it has characteristics energy-conservation, efficient, that the workpiece measurement precision is high.
Thinking of the present invention is by three roll shape milling train groups, and two roller tandem rolling units and do not have are turned round equipment such as tandem rolling unit and heating furnace, flying shear, take-up lapper and to make up and realize.Adopt suitable pass schedule, mill speed and reduction in pass, after diameter once heated less than the pure titanium rod base of Φ 100mm, continuously produce diameter (length of side) Φ 80-10, finished product circle (side) bar or the Φ 16-6mm of single heavy 100-50Kg, the rolling wire rod of single heavy 100～50Kg.It will be heated to 600～850 ℃ Φ 100mm pure titanium rod base by three roll shape milling train groups and be rolled to Φ 80-50mm bar or excellent base through the 6-8 passage, use again two roller tandem rolling units through the vertical tandem rolling of 8-12 passage to Φ 20-10mm bar or line base, do not turn round the tandem rolling unit with having again, the Φ 10mm line base that two roller tandem rolling units are rolling is rolled to Φ 8-6mm line base through the 2-6 passage.
Described method adopts once heating in the whole operation of rolling.
600-850 ℃ of the pure titanium breaking down of described method temperature, finishing temperature 500-850 ℃.
Described method roughing adopts three roll shape mills rolling, 6-8 passage, and passage mean coefficient of elongation 1.1-1.5, finishing temperature is controlled at 500-850 ℃, three roll shape mill mill speed 1-5m/s.Three roll shape milling train groups can be produced pole material and square rod and other profile bar material of Φ 80-50mm, the maximum substance 100kg of bar; Also can go out the excellent base of Φ 50mm, maximum substance 100kg is for rolling little bar and line base provide blank.
Described method two roller tandem rolling units adopt full continuous rolling, and pass schedule adopts ellipse-side, ellipse-circle, passage mean coefficient of elongation 1.1-1.4, and finishing temperature is controlled at 500-850 ℃.Two roller tandem rolling units can go out pure titanium pole material and square rod and other profile bar material of Φ 40-10mm, and the substance of bar is less than 100kg; Also can go out the line base of Φ 20-10mm, substance is less than 100kg, for rolling little line base provides the line blank.
Described method does not have and turns round two roller tandem rolling units and adopt full continuous rolling, adopts ellipse-circular hole system, passage mean coefficient of elongation 1.05-1.4, and finishing temperature is controlled at 500-850 ℃.
Described circular hole adopts tangent line expansion, angle of flare 20-35 °
The frame of described full tandem mill is by the variable-frequency motor speed governing, and it is rolling to part power between frame a little.
Compare with traditional handicraft, the present invention has the following advantages:
1, with heating once and rolling pure titanium rod wire rod, energy consumption reduces more than 3 times, and production efficiency improves more than 10 times.
2, pure titanium rod wire cross-section dimensional accuracy improves 2 times, (deviation by ± 0.8mm bring up to ± 0.4mm)
3, the substance of pure titanium rod wire rod improves more than 10 times.
4, the structure property of pure titanium rod wire rod is good.
Description of drawings
The production procedure of the conventional titanium rod of Fig. 1
Fig. 2 cross-arranging type milling method
The rolling titanium of Fig. 3 the present invention rod method
Fig. 4 circular hole angle of flare
The specific embodiment
Embodiment 1:
Three roll shape milling train groups: as shown in Figure 3, three roll shape milling train groups are made up of Φ 100mm rod base heating furnace and three roll shape milling trains and front and back raceway, cold bed.Φ 100mm rod base heating furnace adopts electrical heating, and control automatically, digital display, record are printed, and the pure titanium rod base temperature in the heating furnace is controlled at 600-850 ℃.The pass of three roll shape milling trains is ellipse-side, ellipse-circular hole system, passage mean coefficient of elongation 1.1-1.5, and finishing temperature is controlled at 500-850 ℃.Raceway can satisfy Φ 80-50mm substance less than the bar of 100kg and the requirement of excellent base rolling, and cold bed satisfies pure titanium rod material cooling requirement.
Three roll shape milling train groups can be produced pole material and square rod and other profile bar material of Φ 80-50mm, the maximum substance 100kg of bar; Also can go out the excellent base of Φ 50mm, maximum substance 100kg is for rolling little bar and line base provide blank.
Embodiment 2:
Two roller tandem rolling units: as see shown in Figure 3ly, two roller tandem rolling units are coiled machine and are formed by Φ 50mm rod base heating furnace and tandem rolling unit, special-purpose guide and guard, raceway, cold bed, flying shear, take-up.Φ 50mm rod base heating furnace adopts electrical heating, and control automatically, digital display, record are printed, and the pure titanium rod base temperature accuracy in the heating furnace is controlled at ± and 10 ℃.The pass of two roller tandem mills adopts ellipse-side, ellipse-circular hole system, passage mean coefficient of elongation 1.1-1.4, and finishing temperature is controlled at 600-850 ℃.All milling trains all adopt the variable-frequency motor transmission, are provided with the special-purpose guide and guard of dismountable rolling between the frame of the front and back of pony-roughing pass, the rolled piece that last frame is shut out conveniently throw away and reverse 90 ° be convenient to the back one frame nip.Each frame can independent speed governing, satisfies finished product bar and square rod and special-shaped material to rolling the requirement of rod rotating speed.Raceway can satisfy Φ 40-10mm substance less than the bar of 100kg and the requirement of line base rolling, and cold bed satisfies pure titanium rod material cooling requirement, and flying shear satisfies Φ 16-10mm line base crop end and becomes rollback request with the take-up lapper.
Two roller tandem rolling units can go out pure titanium pole material and square rod and other profile bar material of Φ 40-10mm, and the substance of bar is less than 100kg; Also can go out the line base of Φ 20-10mm, substance is less than 100kg, for rolling little line base provides the line blank.
Embodiment 3:
Do not have and to turn round tandem mill: do not have and turn round tandem mill and form by twist-free mill and take-up lapper and mobile cold bed.Not having the pass of turning round tandem mill is ellipse-circular hole system, passage mean coefficient of elongation 1.05-1.4, and the passage contraction percentage of area is less than 20%, and finishing temperature is controlled at 500-850 ℃, and the finished size precision of control wire rod is improved the finished surface quality.The take-up lapper can become the coil of wire with line base dish apace, and mobile cold bed can and be sent automatically with coil of wire cooling.Do not have and turn round the line base that the tandem rolling unit can be produced Φ 8-6mm, substance reaches 100kg.
Embodiment 4:
Adopt the present invention to produce pure titanium circle (side) rod, wire rod, the pole base of Φ 100mm is heated reach technological temperature, ellipse-side, the ellipse-circular hole system of three roll shape milling train groups, passage mean coefficient of elongation 1.1～1.5 are adopted in roughing.The roughing finishing temperature is controlled at 500-850 ℃.Can adopt 6-8 passage to roll finished product circle (side) bar of production Φ 80-50mm according to roughing raw material and trimmed size.
Need to continue rolling Φ 50mm rod base, enter two roller tandem rolling units through rollgang.The full continuous rolling of two roller tandem rolling units, pass schedule is ellipse-side, ellipse-circle.Passage mean coefficient of elongation 1.1-1.4, all milling trains all adopt variable-frequency motor to drive, be provided with facilities such as detachable guide wheel and guiding at pony-roughing pass finished product discharging opening, make things convenient for rolled piece to throw away, can produce pure titanium pole material or square rod and other profile bar material of Φ 40-10mm.
If produce the Φ 16-10mm coil of wire, go out wire coil on the take-up curler after the frame in the back.Continue rollingly as need, the straight line base of Φ 10mm can directly enter not have and turn round the tandem rolling unit and be rolled by raceway.Nothing is turned round the tandem rolling unit and can be produced Φ 8-6mm wire rod, and substance can reach 100kg, and not having the pass of turning round tandem mill is ellipse-circular hole system, passage mean coefficient of elongation 1.05-1.4, and finishing temperature is controlled at 500-850 ℃.The take-up lapper can become the coil of wire with line base dish apace, and mobile cold bed can and be sent automatically with coil of wire cooling, and the gauge or diameter of wire deviation is at ± 0.3mm.Adopt all between each tandem rolling frame that to part power a little rolling.
In order to adapt to wideer raw material specification, before first frame of two roller tandem rolling units, is furnished with an induction heater, can heat Φ 50mm bar easily, when doing initial raw material production with the excellent base below the Φ 50mm, adopt the heating of this heating furnace, the blank that heats directly enters two roller tandem rolling units, and once required material specification is produced in heating.
Claims (8)
1, a kind of pure titanium rod wire rolling method, it is characterized in that by three roll shape milling train groups, two roller tandem rolling units, there is not the combination of turning round the tandem rolling unit, adopt suitable pass schedule, mill speed and reduction in pass, after diameter once heated less than the pure titanium rod base of Φ 100mm, the Φ 100mm pure titanium rod base that will be heated to 600～850 ℃ by three roll shape milling train groups is rolled to Φ 80-50mm bar or excellent base through the 6-8 passage, use again two roller tandem rolling units through the vertical tandem rolling of 8-12 passage to Φ 20-10mm bar or line base, do not turn round the tandem rolling unit with having again, the Φ 10mm line base that two roller tandem rolling units are rolling is rolled to Φ 8-6mm line base through the 2-6 passage.
2, a kind of pure titanium rod wire rolling method according to claim 1 is characterized in that the whole operation of rolling adopts once heating.
3, a kind of pure titanium rod wire rolling method according to claim 1 is characterized in that 700-850 ℃ of pure titanium breaking down temperature, finishing temperature 500-850 ℃.
4, a kind of pure titanium rod wire rolling method according to claim 1 is characterized in that roughing adopts three roll shape mills rolling, passage mean coefficient of elongation 1.1-1.5, and finishing temperature is controlled at 500-850 ℃, three roll shape mill mill speed 1-5m/s.
5, a kind of pure titanium rod wire rolling method according to claim 1, it is characterized in that two roller tandem rolling units adopt full continuous rolling, pass schedule adopts ellipse-side, ellipse-circle, passage mean coefficient of elongation 1.1-1.4, and finishing temperature is controlled at 500-850 ℃.
6, a kind of pure titanium rod wire rolling method according to claim 1 is characterized in that not having and turns round two roller tandem rolling units and adopt full continuous rolling, adopts ellipse-circular hole system, passage mean coefficient of elongation 1.05-1.4, and finishing temperature is controlled at 500-850 ℃.
7, a kind of pure titanium rod wire rolling method according to claim 5 is characterized in that circular hole adopts tangent line expansion, angle of flare 20-35 °.
8, a kind of pure titanium rod wire rolling method according to claim 5 is characterized in that full continuous rolling process frame by the variable-frequency motor speed governing, and it is rolling to part power between frame a little.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100446338A CN100455368C (en) | 2006-06-06 | 2006-06-06 | Method for rolling pure titanium rod and wire |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100446338A CN100455368C (en) | 2006-06-06 | 2006-06-06 | Method for rolling pure titanium rod and wire |
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| CN101085451A CN101085451A (en) | 2007-12-12 |
| CN100455368C true CN100455368C (en) | 2009-01-28 |
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| CNB2006100446338A Expired - Fee Related CN100455368C (en) | 2006-06-06 | 2006-06-06 | Method for rolling pure titanium rod and wire |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107904442A (en) * | 2017-12-18 | 2018-04-13 | 西安赛特思迈钛业有限公司 | A kind of processing method of fine grain pure titanium rod material |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101367089B (en) * | 2008-09-23 | 2012-02-29 | 沈阳和世泰板带材有限公司 | Method for manufacturing large-volume pure titanium or titanium alloy tape volume |
| CN101862750B (en) * | 2010-05-28 | 2012-02-01 | 沈阳和世泰通用钛业有限公司 | Method for producing titanium or titanium alloy T sections |
| CN102000694B (en) * | 2010-09-29 | 2012-09-05 | 山东钢铁股份有限公司 | Processing method and system for thread steel |
| CN102974610B (en) * | 2012-12-06 | 2014-09-17 | 武钢集团昆明钢铁股份有限公司 | Production method of industrial pure titanium wire rod |
| CN103008341A (en) * | 2012-12-12 | 2013-04-03 | 宝钛集团有限公司 | Titanium and titanium alloy bar hot continuous rolling production line and production process |
| CN103008340B (en) * | 2012-12-12 | 2015-06-24 | 宝钛集团有限公司 | Hot continuous rolling production line of titanium and titanium alloy wire rod and production process |
| 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 |
| CN105710127B (en) * | 2016-03-17 | 2018-02-16 | 武钢集团昆明钢铁股份有限公司 | A kind of method of semi-tandem rolling production industrially pure titanium bar |
| CN105750329B (en) * | 2016-04-12 | 2018-11-20 | 西安赛特思迈钛业有限公司 | A kind of titanium or titanium alloy continuous rolling process unit |
| CN107790493A (en) * | 2017-10-23 | 2018-03-13 | 陕西海恩得工贸有限公司 | A kind of milling method of stud |
| CN111014286B (en) * | 2019-12-12 | 2022-04-26 | 西安圣泰金属材料有限公司 | Preparation method of titanium alloy wire with high torsion performance based on texture regulation |
| CN114178310B (en) * | 2021-12-02 | 2023-12-22 | 昆明理工大学 | Method for rolling titanium alloy rod and wire by adopting multiple passes |
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| JPH07171603A (en) * | 1993-12-20 | 1995-07-11 | Shinhoukoku Seitetsu Kk | Manufacture of hexagonal pure titanium bar |
| JPH0890013A (en) * | 1994-09-19 | 1996-04-09 | Mitsubishi Materials Corp | Skew rolling device |
| JPH08141601A (en) * | 1994-11-22 | 1996-06-04 | Keiichiro Yoshida | Manufacture of titanium thin wire |
| CN1214967A (en) * | 1998-11-23 | 1999-04-28 | 方崇实 | High-alloy wire and rod material production technology flow and mill train |
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2006
- 2006-06-06 CN CNB2006100446338A patent/CN100455368C/en not_active Expired - Fee Related
Patent Citations (4)
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|---|---|---|---|---|
| JPH07171603A (en) * | 1993-12-20 | 1995-07-11 | Shinhoukoku Seitetsu Kk | Manufacture of hexagonal pure titanium bar |
| JPH0890013A (en) * | 1994-09-19 | 1996-04-09 | Mitsubishi Materials Corp | Skew rolling device |
| JPH08141601A (en) * | 1994-11-22 | 1996-06-04 | Keiichiro Yoshida | Manufacture of titanium thin wire |
| CN1214967A (en) * | 1998-11-23 | 1999-04-28 | 方崇实 | High-alloy wire and rod material production technology flow and mill train |
Non-Patent Citations (2)
| Title |
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| 用MK-150/250冷轧机轧制钛棒. 舒滢等.稀有金属材料与工程，第28卷第4期. 1999 |
| 用MK-150/250冷轧机轧制钛棒. 舒滢等.稀有金属材料与工程，第28卷第4期. 1999 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107904442A (en) * | 2017-12-18 | 2018-04-13 | 西安赛特思迈钛业有限公司 | A kind of processing method of fine grain pure titanium rod material |
| CN107904442B (en) * | 2017-12-18 | 2019-08-23 | 西安赛特思迈钛业有限公司 | A kind of processing method of fine grain pure titanium rod material |
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| CN101085451A (en) | 2007-12-12 |
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