CN108202088B - A kind of processing method of small dimension titanium or titanium alloy Bar Wire Product - Google Patents
A kind of processing method of small dimension titanium or titanium alloy Bar Wire Product Download PDFInfo
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- CN108202088B CN108202088B CN201711169594.9A CN201711169594A CN108202088B CN 108202088 B CN108202088 B CN 108202088B CN 201711169594 A CN201711169594 A CN 201711169594A CN 108202088 B CN108202088 B CN 108202088B
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- titanium
- rolling
- titanium alloy
- cold
- bar
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/04—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of bars or wire
- B21C37/047—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of bars or wire of fine wires
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/16—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling wire rods, bars, merchant bars, rounds wire or material of like small cross-section
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/525—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length for wire, for rods
Abstract
A kind of processing method of small dimension titanium or titanium alloy Bar Wire Product, belong to metal material Field of Heat-treatment, this method is using the two-roller mill single machine or the concatenated mode cold rolling titanium or titanium alloy of multicomputer customized, it is to be located at same axis using pass, two rod milling train single machines or the arrangement of more tandems, the rolling rod wire by way of motor driven roller rotational.The low lubricant for not needing auxiliary of production process labor intensity of the present invention, site environment is pollution-free.The operation of rolling does not need to heat mating heating furnace, does not need matched wire drawing machine travel, and low energy consumption, and surface defects of products is few, unlubricated dose of pollution layer.Finished product does not need flaying machine, can directly produce the stick silk material of pollution-free layer light, and product has the characteristics that lumber recovery is high, surface quality is high, high in machining efficiency.
Description
Technical field
The invention belongs to metal material Field of Heat-treatment, more particularly to a kind of processing side of titanium or titanium alloy Bar Wire Product
Method.
Background technique
Currently, the processing of diameter of phi≤10mm titanium or titanium alloy Bar Wire Product is generally used continuous multistage hot deformation and Ф is made
The raw material bar stock of 10 ~ Ф 15.Main production process has following several:
<1>stent drawing hot-working: the raw material bar stock removing oxide layer that strips off the skin eliminates hot rolling defect and bright gold is presented
Metal surface is moistened first with heating furnace heated oxide surface (oxide layer is conducive to coat lubricant) using heating stove heating, lubricant
Stick silk material sliding, that different-diameter is produced by the fixing moulds of different shaped jet holes, wire drawing machine drawing.Product root in process
It needs to anneal repeatedly according to the size of working modulus and eliminates machining stress hardening, surface, which strips off the skin, to be eliminated the surface that generates in drawing process and lack
It falls into.Final finished needs to carry out its surface to strip off the skin grinding or soda acid washes away lubricant contamination layer or oxygen except stick silk material surface
Change layer, can just produce bright stick silk material finished product
<2>roller die cold drawing process: mainly for Φ≤10mm raw material bar stock strip off the skin removing oxide layer eliminate hot rolling lack
It falls into and bright metal surface is presented, using roller die and wire drawing machine, wire drawing machine drawing bar silk material drives roller die rotation to draw production different
The stick silk material of diameter.Product needs to move back vacuum fire repeatedly according to the size of working modulus in process and eliminates machining stress hardening
To produce bright stick silk material finished product
<3>more advanced finishing mill of high-speed wire rod mill is connected using big specification bar stock (diameter of phi>=100mm) by hot worked mode
Continuous rolling is completed plus titanium or titanium alloy stick silk material, and which completes the process stick silk material need to add (the removal Surface Oxygen that strips off the skin using machine
Change skin and defect), grinding, polishing, soda acid the finished product of processes completion surface-brightening such as wash, be surface-treated.
Chinese patent is related to a kind of titanium or titanium alloy rod hot rolling, wire rod high warm application No. is 201310096580.4
Hubbing method.This method by blank heating to 950 DEG C -980 DEG C, rectify by hot rolling titanium or titanium alloy Bar material blank, cooling, peeling, heat
Directly, grinding prepares titanium or titanium alloy bar；Pyrographite furnace lubrication, carries out hot pull by fixing mould under the conditions of 800 DEG C,
Drawing titanium silk, annealing, pickling, washing prepare titanium or titanium alloy silk.This method also belongs to fixing mould hot-pull technique scope.
Fixing mould hot pull needs heating furnace laser heating to improve material temperature (not less than 700 DEG C), blank surface company
Continuous coating lubricant medium lubrication.Phenomena such as unevenly causing surface scratching, fracture of wire there are lubricant medium lubrication in drawing process.Add
The pieces of bar stock surface oxidation of heat is serious, lubricant medium attaches seriously.Subsequent needs machine the scale removal that strips off the skin, pickling removes
Lubricant medium.Product surface suction hydrogen, energy consumption is high, execute-in-place environment is poor, labor intensity is high, production efficiency is low.
Roller die drawing stick silk material, roller die cold drawing process principle are to draw stick in the pass for the roll composition being freely rotated
Wire rod.By disk wire drawing machine drawing Bar Wire Product one end when cold drawing, by the blank frictional force drives roll rotation passed through, roll hole
The molding of type compressive deformation Bar Wire Product.When the cold-drawn Bar Wire Product of roller die, due to wanting stress side based on molding Bar Wire Product, there is drawing
Deflection is small in journey, is easy the disadvantages of breaking silk material, and production efficiency is low, while also wanting mating disk wire drawing machine.
Finishing mill of high-speed wire rod mill puts into big (apparatus value crosses hundred million yuan), is suitble to the public metal wire material silk material such as steel, is applied to titanium
And this rare metal production of titanium alloy is very uneconomical.It also belongs to a kind of thermal processing method simultaneously, can not directly produce
Bright free of contamination finished product stick silk material.
Summary of the invention
The purpose of the present invention is the offers of the shortcoming of the processing method for existing small dimension titanium or titanium alloy Bar Wire Product
A kind of technical solution of the rolling rod wire by way of motor driven roller rotational.
Realize that the technical solution of the object of the invention is such that a kind of processing side of small dimension titanium or titanium alloy Bar Wire Product
Method, for this method using the two-roller mill single machine or the concatenated mode cold rolling titanium or titanium alloy of multicomputer of customization, it is using hole
Type is located at same axis, two rod milling train single machines or the arrangement of more tandems, and stick line is rolled by way of motor driven roller rotational
Material.What is used prolongs raw pass as circle, oval-round or circle-circle.Titanium or titanium alloy has processing hardening during cold working
Phenomenon reaches certain deflection in cold-rolled process, eliminated by the way of heating in vacuum annealing continue after processing hardening it is cold
The product of specification needed for Rolling Production.
The process step of the invention is as follows:
1, raw material preparation: titanium or titanium alloy raw material bar stock, length is unlimited, diameter of phi=10-15mm.
2, it is surface-treated: using flaying machine removal hot rolled rod surface scale and defect, being processed into non-oxidation epidermis, nothing
The optical wand of defect.
3, cold rolling: two rolling units of one or more groups of series connection are used, are completed by way of motor driven roller rotational
Cold rolling.Cold rolling pass are as follows: circle, oval → round or circle → circle.Rolling reduction is 30%-50% per pass, reaches the deformation of requirement
Amount need to carry out vacuum annealing and eliminate machining stress hardening.Total pass deformation is no more than 50%, mill speed≤1000mm/min.
4, stress relief annealing: titanium or titanium alloy bar generates processing inside cold rolling machining deformation to a certain extent meeting
Stress hardening is moved back using vacuum resistance heating furnace, eliminates processing hardening.700-800 DEG C of temperature, soaking time 30-
60min, shove charge heating, furnace cooling.
5, cold rolling: above-mentioned 4.2 cold-rolled process is repeated.
6, finished product is heat-treated: finished product is using the heat treatment of vacuum resistance heating furnace, and 700-800 DEG C of heat treatment temperature, when heat preservation
Between 30-90min.
7, rolled products are the titanium or titanium alloy stick silk material that diameter is less than Φ≤10mm surface no-pollution layer light.
Beneficial effects of the present invention are as follows:
1. low energy consumption: the operation of rolling of the present invention is cold working process, does not need to preheat raw material bar stock, is reduced
Energy loss, reduces production cost；
2. pollution-free: the present invention does not need lubricant, coolant in process, and process does not need to heat, nothing
Oxide skin generates, and does not generate pollutant influential on environment；
3. manual operation changes improvement: existing hot-pull technique, blank drawing need to be heated to 700-800 DEG C, be easy to scorch or
Scald operator.The present invention is cold working process, and the above problem is not present；
4. reducing corollary equipment: the present invention passes through from driving roller die cold rolling stick silk material, and the operation of rolling is not needed as fixed
Mould or existing roller die need matched disk wire drawing machine to be drawn.
5. microscopic structure is good, more tiny than hot-working titanium or titanium alloy product grains, tissue is more evenly.Cold working process is eliminated
Dynamic recrystallization in hot procedure is conducive to crystal grain refinement, improves structural homogenity, keeps the metal microstructure more excellent.
6. the cold rolling titanium or titanium alloy stick silk material by the way of motor driven roll, the operation of rolling do not need disk wire drawing
Machine.
7. being heat-treated by the way of vacuum heat treatment to stick silk material intermediate products and finished product, light can be directly produced
Bright final finished.
8. the present invention can directly produce the finished product of surface smoothness Ra≤3.2 μm, finished product does not need soda acid and washes, and will not produce
Raw the problem of product quality is influenced due to suction hydrogen.
9. the achievable continuous production of the present invention, production efficiency improves 40%, and lumber recovery improves 45%, and production cost reduces by 30%.
Detailed description of the invention
Attached drawing 1 is the processing method schematic diagram that titanium or titanium alloy bar is processed in cold rolling.
In figure: for K to for the bar direction of motion, W is that speed reducer drives roll rotation direction, is rotated counterclockwise.Vertical roll
With horizontal roll speed reducer drive under synchronize rotate counterclockwise, drive bar stock enter roll.Roll end face working face, which surrounds, to be rolled
Cavity processed drives bar stock to enter rolling cavity under the drive of frictional force.R is the radius of roll, and F is that roll acts on bar
Frictional force, N is that roll acts on the pressure of bar, and it is F0 that bar stock, which feeds end area, and outlet end area is Fc.Wherein vertical roller
The rolling cavity surrounded is ellipse (Rx > Ry) or circle, and the cavity that horizontal roller surrounds is circle.
Specific embodiment
A specific embodiment of the invention is described further by embodiment:
Embodiment 1:
First taking specification is the titanium or titanium alloy pieces of bar stock of Φ 15mm, is stripped off the skin using centreless lathe and removes the surface of 1mm thickness
Oxide layer and defect obtain bright pollution-free flawless bright blank.The blank after processing is put into vacuum in vacuum drying oven again
Heating and thermal insulation 60 minutes, room temperature was naturally cooled to furnace and is come out of the stove.The titanium and titanium that diameter is Φ 10mm are cold rolled to by cold mill complex
Φ 10mm bar is put into heating in vacuum in vacuum drying oven and keeps the temperature 60 minutes, naturally cooled to room temperature with furnace and come out of the stove by alloy bar material.So
The Φ 10mm bar that vacuum moves back excessive fire is passed through into cold mill complex cold rolling again afterwards, being rolled into specification is the surface-brightening of Φ 7.5mm, nothing
It pollutes, the finished product bar of non-oxidation layer.Finished product can place into heating in vacuum heat preservation 40 minutes if you need to anneal, and naturally cool to furnace
Room temperature is come out of the stove.
Embodiment 2:
First taking specification is the titanium or titanium alloy pieces of bar stock of Φ 12mm, is stripped off the skin using centreless lathe and removes the surface of 1mm thickness
Oxide layer and defect obtain bright pollution-free flawless bright blank.The blank after processing is put into vacuum in vacuum drying oven again
Heating and thermal insulation 60 minutes, room temperature was naturally cooled to furnace and is come out of the stove.The titanium and titanium conjunction that diameter is Φ 8mm are cold rolled to by cold mill complex
Φ 8mm bar is put into heating in vacuum in vacuum drying oven and keeps the temperature 60 minutes, naturally cooled to room temperature with furnace and come out of the stove by golden bar.Then
Vacuum is moved back into the Φ 8mm bar of excessive fire by cold mill complex cold rolling again, is rolled into surface-brightening that specification is Φ 6.0mm, without dirt
The finished product bar of dye, non-oxidation layer.Finished product can place into heating in vacuum heat preservation 30 minutes if you need to anneal, and naturally cool to room with furnace
Temperature is come out of the stove.
Embodiment 3:
First taking specification is the titanium or titanium alloy pieces of bar stock of Φ 10mm, is stripped off the skin using centreless lathe and removes the surface of 1mm thickness
Oxide layer and defect obtain bright pollution-free flawless bright blank.The blank after processing is put into vacuum in vacuum drying oven again
Heating and thermal insulation 60 minutes, room temperature was naturally cooled to furnace and is come out of the stove.The titanium and titanium conjunction that diameter is Φ 7mm are cold rolled to by cold mill complex
Φ 7mm bar is put into heating in vacuum in vacuum drying oven and keeps the temperature 60 minutes, naturally cooled to room temperature with furnace and come out of the stove by golden bar.Then
Vacuum is moved back into the Φ 7mm bar of excessive fire by cold mill complex cold rolling again, is rolled into surface-brightening that specification is Φ 5.0mm, without dirt
The finished product bar of dye, non-oxidation layer.Finished product can place into heating in vacuum heat preservation 30 minutes if you need to anneal, and naturally cool to room with furnace
Temperature is come out of the stove.
Embodiment 4:
First taking specification is the titanium or titanium alloy pieces of bar stock of Φ 15mm, is stripped off the skin using centreless lathe and removes the surface of 1mm thickness
Oxide layer and defect obtain bright pollution-free flawless bright blank.The blank after processing is put into vacuum in vacuum drying oven again
Heating and thermal insulation 60 minutes, room temperature was naturally cooled to furnace and is come out of the stove.The titanium and titanium that diameter is Φ 10mm are cold rolled to by cold mill complex
Φ 10mm bar is put into heating in vacuum in vacuum drying oven and keeps the temperature 60 minutes, naturally cooled to room temperature with furnace and come out of the stove by alloy bar material.So
The Φ 10mm bar that vacuum is moved back excessive fire again afterwards is rolled into the bar that specification is Φ 7.5mm by cold mill complex cold rolling.In repetition
Vacuum heat treatment, cold-rolled process are stated, Φ 1mm surface-brightening, pollution-free, non-oxidation layer finished product bar can be obtained.Finished product if you need to
Annealing can place into heating in vacuum and keep the temperature 30 minutes, naturally cool to room temperature with furnace and come out of the stove.
Above examples describe basic principles and main features of the invention and advantage, the technical staff of the industry should
Solution, present aspect are not restricted to the described embodiments.In the case where not departing from principle of the invention range, will also have various changes and improvements,
In these changes and improvements are all fallen within the protection scope of the present invention.
Claims (1)
1. a kind of processing method of small dimension titanium or titanium alloy Bar Wire Product, it is characterised in that: this method is using two rollings customized
Machine single machine or the concatenated mode cold rolling titanium or titanium alloy of multicomputer, it is to be located at same axis, two-roller mill list using pass
Machine or multicomputer tandem arrangement, the rolling rod wire by way of motor driven roller rotational, use prolong raw pass be justify,
Oval-round or circle-circle, titanium or titanium alloy have processing hardening phenomenon during cold working, one are reached in cold-rolled process
Fixed deflection continues the product that cold rolling produces required specification after eliminating processing hardening by the way of heating in vacuum annealing；
The processing step of specific processing method is as follows:
(1) raw material preparation: titanium or titanium alloy raw bar material, length is unlimited, diameter of phi=10-15mm；
(2) it is surface-treated: using the Surface of Rod Bar oxide skin and defect of flaying machine removal hot rolling, being processed into non-oxidation epidermis, nothing
The optical wand of defect；
(3) cold rolling: two rolling units of one or more groups of series connection are used, are completed by way of motor driven roller rotational cold
It rolls, cold rolling pass are as follows: circle, oval → round or circle → circle, rolling reduction is 30%-50% per pass, reaches the deflection of requirement
It carries out vacuum annealing and eliminates machining stress hardening, total pass deformation is no more than 50%, mill speed≤1000mm/min；
(4) stress relief annealing: titanium or titanium alloy bar generates processing inside cold rolling machining deformation to a certain extent meeting and answers
Power hardening, is annealed using vacuum resistance heating furnace, elimination processing hardening, and 700-800 DEG C of temperature, soaking time 30-
60min, shove charge heating, furnace cooling；
(5) cold rolling: above-mentioned cold-rolled process is repeated；
(6) finished product is heat-treated: finished product is heat-treated using vacuum resistance heating furnace, and 700-800 DEG C of heat treatment temperature, soaking time
30-90min；
(7) rolled products are the titanium or titanium alloy Bar Wire Product that diameter is less than Φ≤10mm surface no-pollution layer light.
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| CN201711169594.9A CN108202088B (en) | 2017-11-22 | 2017-11-22 | A kind of processing method of small dimension titanium or titanium alloy Bar Wire Product |
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| CN201711169594.9A CN108202088B (en) | 2017-11-22 | 2017-11-22 | A kind of processing method of small dimension titanium or titanium alloy Bar Wire Product |
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| CN108202088B true CN108202088B (en) | 2019-08-20 |
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| CN110976512A (en) * | 2019-12-26 | 2020-04-10 | 宝鸡鑫诺新金属材料有限公司 | Cold rolling method for TC4 titanium alloy wire |
| CN112935008B (en) * | 2021-01-25 | 2023-04-28 | 陕西鼎益科技有限公司 | Novel special high-temperature alloy wire hot rolling process |
| CN114054526A (en) * | 2021-11-10 | 2022-02-18 | 陕西鼎益科技有限公司 | MCR extrusion forming device for high-temperature alloy wire rod |
| CN115463962B (en) * | 2022-07-21 | 2023-09-01 | 中钛国创(青岛)科技有限公司 | Preparation method of titanium alloy fiber yarn |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN88101739A (en) * | 1987-03-26 | 1988-11-23 | 奥托库姆普联合股票公司 | The manufacture method of pipe, rod and band |
| CN101708511A (en) * | 2007-12-13 | 2010-05-19 | 攀钢集团四川长城特殊钢有限责任公司 | Method for manufacturing pure titanium seamless tubes |
| CN104561651A (en) * | 2013-10-11 | 2015-04-29 | 东港市东方高新金属材料有限公司 | Titanium alloy (Ti5563) rolled pipe and preparation method thereof |
| CN107282688A (en) * | 2017-07-25 | 2017-10-24 | 西部超导材料科技股份有限公司 | A kind of Ti45Nb alloy discs justify the preparation method of silk material |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040221929A1 (en) * | 2003-05-09 | 2004-11-11 | Hebda John J. | Processing of titanium-aluminum-vanadium alloys and products made thereby |
-
2017
- 2017-11-22 CN CN201711169594.9A patent/CN108202088B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN88101739A (en) * | 1987-03-26 | 1988-11-23 | 奥托库姆普联合股票公司 | The manufacture method of pipe, rod and band |
| CN101708511A (en) * | 2007-12-13 | 2010-05-19 | 攀钢集团四川长城特殊钢有限责任公司 | Method for manufacturing pure titanium seamless tubes |
| CN104561651A (en) * | 2013-10-11 | 2015-04-29 | 东港市东方高新金属材料有限公司 | Titanium alloy (Ti5563) rolled pipe and preparation method thereof |
| CN107282688A (en) * | 2017-07-25 | 2017-10-24 | 西部超导材料科技股份有限公司 | A kind of Ti45Nb alloy discs justify the preparation method of silk material |
Non-Patent Citations (1)
| Title |
|---|
| 钛合金棒材轧制的孔型设计与应用;宋敏奇等;《钛工业进展》;20120831;第29卷(第4期);第39-42页 |
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Effective date of registration: 20200319 Address after: 753000 Dawukou Road, Shizuishan, the Ningxia Hui Autonomous Region metallurgical Road, No. 119 Patentee after: Ningxia Zhongse Jinhang Titanium Industry Co., Ltd Address before: 753000 metallurgical Road No. 119, Ning Dawukou District, the Ningxia Hui Autonomous Region, Shizuishan Patentee before: NINGXIA ORIENT TANTALUM INDUSTRY Co.,Ltd. |
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