CN105904070A - Method for manufacturing titanium alloy structure by plasma arc filler wire additive - Google Patents
Method for manufacturing titanium alloy structure by plasma arc filler wire additive Download PDFInfo
- Publication number
- CN105904070A CN105904070A CN201610458932.XA CN201610458932A CN105904070A CN 105904070 A CN105904070 A CN 105904070A CN 201610458932 A CN201610458932 A CN 201610458932A CN 105904070 A CN105904070 A CN 105904070A
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- China
- Prior art keywords
- titanium alloy
- plasma arc
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- wire
- welding wire
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K10/00—Welding or cutting by means of a plasma
- B23K10/02—Plasma welding
- B23K10/027—Welding for purposes other than joining, e.g. build-up welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/08—Non-ferrous metals or alloys
- B23K2103/14—Titanium or alloys thereof
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Arc Welding In General (AREA)
Abstract
The invention discloses a method for manufacturing a titanium alloy structure by a plasma arc filler wire additive, and belongs to the technical field of 3D printing. Firstly, a titanium alloy basal plate is selected; then, a needed welding wire with a diameter of 1.0-1.6 mm is selected; relative positions among a plasma arc nozzle, the titanium alloy basal plate and the welding wire are determined; a gap range between the plasma nozzle and the titanium alloy basal plate is 2-4 mm; a gap range between the plasma nozzle and the welding wire is 0.5-2 mm; a gap range between the titanium alloy basal plate and the welding wire is 1.5-3 mm; an inner shrinkage range of a tungsten electrode is 4-5 mm; a plasma arc current range is 140-180 A; a ratio range of the wire feeding speed to the plasma arc moving speed is 1.0-2.0; and a ratio range of the single-layer elevation quantity to the diameter of the welding wire is 0.6-1.5. The method is lower in heat input and easy for controlling the forming process, facilitates inhibition of cracks and air holes, and is simple in process equipment.
Description
Technical field
The invention belongs to 3D printing technique field, particularly relate to a kind of plasma arc silk filling and increase material manufacture titanium
The method of alloy structure.
Background technology
Titanium alloy calorific intensity is high, specific strength is high, anti-corrosion capability is strong, is widely used to the zero of aerospace
In modular construction.But titanium alloy is oxidizable and brittle, direct forming process is easily generated pore, crackle etc. and lacks
Fall into.For obtaining complicated titanium alloy structure, increasing material manufacture method need to be used to realize the direct one-tenth of titanium alloy structure
Shape manufactures.
The method being presently available for titanium alloy increasing material manufacture includes: laser gain material manufacture and electron beam increase material system
Make.Wherein bigger due to laser energy output in laser gain material manufacture process so that heat input increases, no
It is beneficial to control pore and crack defect, and oxidizable；And electron beam increases material manufacture process and needs vacuum chamber, right
The requirement of equipment is higher, and economy is poor.And plasma arc fill silk increase material manufacture have heat input little,
The feature that equipment requirements is the highest, significant for ensureing titanium alloy structure quality and raising economy.
Summary of the invention
For the technical problem of above-mentioned existence, in order to solve titanium alloy structure increase material manufacture present in heat input
Measuring the raw problem such as crackle and pore of relatively great Yi, the present invention provides a kind of plasma arc silk filling to increase material manufacture titanium and closes
The method of gold structure.
It is an object of the invention to be achieved through the following technical solutions:
A kind of plasma arc of the present invention fills silk and increases the method that material manufactures titanium alloy structure, comprises the following steps:
A, selection titanium alloy substrate, surface is removed oxide-film and processes；
Gage of wire scope needed for B, selection is: 1.0mm～1.6mm；
C, the relative position determined between plasma arc nozzle titanium alloy substrate and welding wire, described grade from
Subarc nozzle and titanium alloy substrate spacing a scope: 2mm～4mm, described plasma arc nozzle and welding wire
Spacing b scope: 0.5mm～2mm, described titanium alloy substrate and distance between weldingwires c scope: 1.5mm～
3mm；
D, determine forming parameter according to required gage of wire: tungsten electrode neck-in scope: 4mm～5mm；
Arc-plasma current scope: 140A～180A；Wire feed rate and plasma arc translational speed are than scope:
1.0～2.0；Monolayer lifting capacity and gage of wire are than scope: 0.6～1.5.
The invention have the benefit that
Heat input the most of the present invention is less, and forming process is easily controllable, is conducive to suppression crackle and gas hole defect
Produce, improve titanium alloy structure forming quality.
2. present invention process equipment is simple, improves the economy of forming process, is advantageously implemented titanium alloy knot
The increasing material manufacture of structure shapes.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
In figure: 1. titanium alloy substrate, 2. welding wire, 3. plasma arc nozzle, a. ion arc nozzle and titanium close
Gold base spacing, b. plasma arc nozzle and distance between weldingwires, c. titanium alloy substrate and distance between weldingwires.
Detailed description of the invention
Describe the present invention with embodiment below in conjunction with the accompanying drawings.
Embodiment 1: as it is shown in figure 1, as a example by selecting TC4 titanium alloy substrate 1, select welding wire 2 diameter
1.2mm, plasma arc nozzle and titanium alloy substrate spacing a are 2.5mm, between plasma arc nozzle and welding wire
Away from b be 1.0mm, titanium alloy substrate and distance between weldingwires c be 1.5mm；Tungsten electrode neck-in 4mm；Plasma
Arc current 140A；Wire feed rate and plasma arc translational speed ratio 1.5, wire feed rate 300mm/min；
Monolayer lifting capacity is 1.0 with gage of wire ratio.Titanium alloy substrate 1 surface film oxide is removed before shaping.Pass through
The Proper Match of each parameter, forming process is stable, and defect is inhibited, the titanium alloy structure morphoplasm of shaping
Amount is good.
Embodiment 2: this example as different from Example 1: this example selects as a example by TC4 titanium alloy sheet 1, choosing
Selecting welding wire 2 diameter 1.6mm, plasma arc nozzle and titanium alloy substrate spacing a is 3.5mm, plasma
Arc nozzle and distance between weldingwires b be 1.5mm, titanium alloy substrate and distance between weldingwires c be 2mm；Tungsten electrode inside contracts
Amount 5mm；Arc-plasma current 180A；Wire feed rate and plasma arc translational speed ratio 1.0, wire feed speed
Degree 350mm/min；Monolayer lifting capacity is 1.2 with gage of wire ratio.
Embodiment 3: this example as different from Example 1: this example select welding wire 2 diameter 1.0mm, wait from
Subarc nozzle and titanium alloy substrate spacing a are 2mm, and plasma arc nozzle and distance between weldingwires b are 0.5
Mm, titanium alloy substrate and distance between weldingwires c are 2.5mm；Tungsten electrode neck-in 4.5mm；Arc-plasma current 140
A；Wire feed rate and plasma arc translational speed ratio 2.0, wire feed rate 350mm/min；Monolayer lifting capacity
It is 0.6 with gage of wire ratio.
Embodiment 4: this example as different from Example 1: this example select welding wire 2 diameter 1.5mm, wait from
Subarc nozzle and titanium alloy substrate spacing a are 4mm, and plasma arc nozzle and distance between weldingwires b are 2mm,
Titanium alloy substrate and distance between weldingwires c are 3mm；Tungsten electrode neck-in 5mm；Arc-plasma current 180A；Send
Silk speed and plasma arc translational speed ratio 1.0, wire feed rate 350mm/min；Monolayer lifting capacity and welding wire
Diameter ratio is 1.2.
Example described above is only the present invention preferably detailed description of the invention, but protection scope of the present invention is not
Be confined to this, any those familiar with the art in the technical scope that the invention discloses, according to
Technical scheme and inventive concept equivalent or change in addition thereof, all should contain the guarantor in the present invention
Within the scope of protecting.
Claims (1)
1. a plasma arc fills silk and increases the method that material manufactures titanium alloy structure, it is characterised in that: comprise the following steps:
A, selection titanium alloy substrate, surface is removed oxide-film and processes；
Gage of wire scope needed for B, selection is: 1.0mm～1.6mm；
C, the relative position determined between plasma arc nozzle titanium alloy substrate and welding wire, described plasma arc nozzle and titanium
Alloy substrate spacing a scope: 2mm～4mm, described plasma arc nozzle and distance between weldingwires b scope: 0.5mm～2
Mm, described titanium alloy substrate and distance between weldingwires c scope: 1.5mm～3mm；
D, determine forming parameter according to required gage of wire: tungsten electrode neck-in scope: 4mm～5mm；Plasma arc electricity
Stream scope: 140A～180A；Wire feed rate and plasma arc translational speed are than scope: 1.0～2.0；Monolayer lifting capacity and weldering
Filament diameter is than scope: 0.6～1.5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610458932.XA CN105904070B (en) | 2016-06-22 | 2016-06-22 | A kind of method of plasma arc silk filling increasing material manufacturing titanium alloy structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610458932.XA CN105904070B (en) | 2016-06-22 | 2016-06-22 | A kind of method of plasma arc silk filling increasing material manufacturing titanium alloy structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105904070A true CN105904070A (en) | 2016-08-31 |
| CN105904070B CN105904070B (en) | 2018-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610458932.XA Active CN105904070B (en) | 2016-06-22 | 2016-06-22 | A kind of method of plasma arc silk filling increasing material manufacturing titanium alloy structure |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114012225A (en) * | 2022-01-07 | 2022-02-08 | 北京煜鼎增材制造研究院有限公司 | Submarine all-titanium pressure-resistant shell and additive manufacturing equipment and method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020166844A1 (en) * | 2001-05-08 | 2002-11-14 | Kelly Thomas Joseph | Room-temperature surface weld repair of nickel-base superalloys having a nil-ductility range |
| WO2015079200A2 (en) * | 2013-11-27 | 2015-06-04 | Linde Aktiengesellschaft | Additive manufacturing of titanium article |
| CN204486994U (en) * | 2015-03-25 | 2015-07-22 | 苏州本森机器人技术有限公司 | A kind of automatic all positon pipeline thermal fibril welding set based on Arc Plasma Heating welding wire |
| CN105598562A (en) * | 2014-11-20 | 2016-05-25 | 中国人民解放军装甲兵工程学院 | A protection device and method for titanium and titanium alloy additive manufacturing based on a welding process |
-
2016
- 2016-06-22 CN CN201610458932.XA patent/CN105904070B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020166844A1 (en) * | 2001-05-08 | 2002-11-14 | Kelly Thomas Joseph | Room-temperature surface weld repair of nickel-base superalloys having a nil-ductility range |
| WO2015079200A2 (en) * | 2013-11-27 | 2015-06-04 | Linde Aktiengesellschaft | Additive manufacturing of titanium article |
| CN105598562A (en) * | 2014-11-20 | 2016-05-25 | 中国人民解放军装甲兵工程学院 | A protection device and method for titanium and titanium alloy additive manufacturing based on a welding process |
| CN204486994U (en) * | 2015-03-25 | 2015-07-22 | 苏州本森机器人技术有限公司 | A kind of automatic all positon pipeline thermal fibril welding set based on Arc Plasma Heating welding wire |
Non-Patent Citations (3)
| Title |
|---|
| 乌日开西·艾依提: "基于等离子弧焊的Ti-6Al-4V快速成形工艺参数研究", 《稀有金属材料与工程》 * |
| 张应立: "《常用金属材料焊接技术手册》", 31 January 2015, 金盾出版社 * |
| 王淑峰: "等离子束在金属零件3D打印中的研究现状和发展趋势", 《材料导报A：综述篇》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114012225A (en) * | 2022-01-07 | 2022-02-08 | 北京煜鼎增材制造研究院有限公司 | Submarine all-titanium pressure-resistant shell and additive manufacturing equipment and method thereof |
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| Publication number | Publication date |
|---|---|
| CN105904070B (en) | 2018-07-10 |
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Effective date of registration: 20221031 Address after: 110117 No. 10-2, Hunnan Second Road, Hunnan District, Shenyang City, Liaoning Province (2003) Patentee after: Shenyang Juncheng Material Technology Co.,Ltd. Address before: No. 10-2, Hunnan Second Road, Hunnan New District, Shenyang, Liaoning 110168 Patentee before: SHENYANG BOSHUAI MATERIAL TECHNOLOGY Co.,Ltd. |