CN103406761B - TC4 titanium alloy tube bulbec feverish sensation in the head spin-on process - Google Patents
TC4 titanium alloy tube bulbec feverish sensation in the head spin-on process Download PDFInfo
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- CN103406761B CN103406761B CN201310305784.4A CN201310305784A CN103406761B CN 103406761 B CN103406761 B CN 103406761B CN 201310305784 A CN201310305784 A CN 201310305784A CN 103406761 B CN103406761 B CN 103406761B
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Abstract
The present invention provides a kind of TC4 titanium alloy tube bulbec feverish sensation in the head spin-on process, the steps include: that (1) takes TC4 titanium alloy pipe, and the both ends of TC4 titanium alloy pipe cut by car；(2) heating one end of TC4 titanium alloy pipe with spray gun, temperature controls at 650 DEG C～850 DEG C；(3) 2～4 passage heat rotations shape one end of TC4 titanium alloy pipe so that the end of TC4 titanium alloy pipe forms cone angle；(4) the cone-shaped end milling of TC4 titanium alloy pipe is put down；(5) 1～2 passage heat rotations shape this end bulb of TC4 titanium alloy pipe；(6) repeat step (2) to (5) to be shaped by the other end bulb of TC4 titanium alloy pipe.Using the inventive method TC4 titanium alloy to shape in high temperature high-ductility state and will not produce cracking, Tube Forming quality is high, and safety is high.
Description
Technical field
The present invention relates to space flight or aviation plastic forming process technical field, be specifically related to a kind of TC4 titanium and close
Gold Tray channel type gas liquid distributor feverish sensation in the head spin-on process.
Background technology
Carrier rocket inter-tank section is inverted cone-shaped structure, uses lightweight, high-strength TC4 titanium alloy material.This case
Between section agent structure be connected on upper and lower end frame by 24 TC4 titanium alloy pipes.
At present, as it is shown in figure 1, TC4 titanium alloy tube bulbec head forming technology is: heating in air furnace
Stamping.When the shortcoming of this process forming is part punching, temperature cooling is fast, and plasticity substantially reduces,
Cause part problems of crack.And TC4 material needs at high temperature to shape, it is not suitable for using former technique to become
Shape,
Summary of the invention
It is an object of the invention to provide a kind of side using hot spinning to shape TC4 titanium alloy tube bulbec head
Method, it can solve the problem that existing constant temperature and part problem of Cracking, meets model structural strength and lighting demand.
Realize the technical scheme of the object of the invention: a kind of TC4 titanium alloy tube bulbec feverish sensation in the head spin-on process, its
Comprise the steps:
(1) taking TC4 titanium alloy pipe, the both ends of TC4 titanium alloy pipe cut by car；
(2) then, heating one end of TC4 titanium alloy pipe with spray gun, temperature controls 650
DEG C～850 DEG C, and carry out temperature detection with infrared thermometer, it is ensured that TC4 titanium alloy pipe is shaping
During the uniformity of temperature；
One end of (3) 2～4 passage heat rotation forming step (2) gained TC4 titanium alloy pipes so that
The end of TC4 titanium alloy pipe forms cone angle, and every time deflection is 20～40%；The rotation shaping of this heat is adopted
Using necking in spindown technique, feed speed is 130～160mm/min, the speed of mainshaft is 400～650 turns/
Point；
(4) the cone-shaped end milling of the TC4 titanium alloy pipe of step (3) gained is put down；
(5) 1～2 passage heat rotation forming step (4) gained these end bulbs of TC4 titanium alloy pipe, per pass
Secondary deflection is 10～30%；This heat rotation forming technology use necking in spindown, feed speed be 110～
140mm/min, the speed of mainshaft is 350～500 revs/min；
(6) repeat step (2) to (5) to be shaped by the other end bulb of TC4 titanium alloy pipe.
TC4 titanium alloy tube bulbec feverish sensation in the head spin-on process as above a kind of, described in its step (3)
It is 10～12 ° that the end of TC4 titanium alloy pipe forms cone angle, and every time deflection is 25～35%.
TC4 titanium alloy tube bulbec feverish sensation in the head spin-on process as above a kind of, described in its step (5)
It is 15～25% that heat rotation shapes deflection.
Effect of the invention is that: use the inventive method, TC4 titanium alloy tube bulbec feverish sensation in the head spinning closing-in
Process be that big footpath diminishes the rewinding process in footpath, wall thickness thickens, and intensity and rigidity increase；And TC4
Titanium alloy shapes in high temperature high-ductility state will not produce cracking, and Tube Forming quality is high；In forming process
Without the artificial transfer of hot part, safety is high.
Accompanying drawing explanation
Fig. 1 is the TC4 titanium alloy tube bulbec head of existing hot-pressing strip overlap；
Fig. 2 is hot spinning TC4 titanium alloy tube bulbec head of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawings with specific embodiment to a kind of TC4 titanium alloy tube bulbec feverish sensation in the head of the present invention
Spin-on process is further described.
Embodiment 1
As in figure 2 it is shown, a kind of TC4 titanium alloy tube bulbec feverish sensation in the head spin-on process of the present invention, its bag
Include following steps:
(1) taking TC4 titanium alloy pipe, the both ends of TC4 titanium alloy pipe cut by car.
(2) then, with spray gun, one end of TC4 titanium alloy pipe is heated, higher for obtaining
Plasticity, can obtain again preferable microscopic structure simultaneously, and temperature controls at 750 DEG C, and uses infrared thermometry
Instrument carries out temperature detection, it is ensured that TC4 titanium alloy pipe uniformity of temperature in forming process.
One end of the TC4 titanium alloy pipe of (3) 3 passage heat rotation forming step (2) gained so that TC4
The end of titanium alloy pipe forms cone angle, and wherein cone angle is 10 ° (semi-cone angle is 5 °), every time deformation
Amount is 30%.This heat rotation forming technology uses necking in spindown, and feed speed is 140mm/min, and main shaft turns
Speed is 550 revs/min.In the present invention in terms of TC4 titanium alloy pipe profile, its end diameter diminishes,
Therefore its spinning process should use necking in spindown.Necking in spindown is the rail specified along working position by spinning roller
Mark moves back and forth, progressively undergauge.It is determined by reasonable spinning pass and deflection, it is ensured that outside spinning part
Shape size and spinning quality.
(4) the cone-shaped end milling of the TC4 titanium alloy pipe of step (3) gained is put down.
(5) 2 passage heat rotation forming step (4) gained these end bulbs of TC4 titanium alloy pipe, every time
Deflection is 20%；This heat rotation forming technology uses necking in spindown, and feed speed is 120mm/min, main
Axle rotating speed is 400 revs/min.
(6) repeat step (2) to (5) to be shaped by the other end bulb of TC4 titanium alloy pipe.
Embodiment 2
As in figure 2 it is shown, a kind of TC4 titanium alloy tube bulbec feverish sensation in the head spin-on process of the present invention, its bag
Include following steps:
(1) taking TC4 titanium alloy pipe, the both ends of TC4 titanium alloy pipe cut by car.
(2) then, with spray gun, one end of TC4 titanium alloy pipe is heated, higher for obtaining
Plasticity, can obtain again preferable microscopic structure simultaneously, and temperature controls at 650 DEG C, and uses infrared thermometry
Instrument carries out temperature detection, it is ensured that TC4 titanium alloy pipe uniformity of temperature in forming process.
One end of the TC4 titanium alloy pipe of (3) 4 passage heat rotation forming step (2) gained so that TC4
The end of titanium alloy pipe forms cone angle, and wherein cone angle is 10 ° (semi-cone angle is 5 °), every time deformation
Amount is 20%.This heat rotation forming technology uses necking in spindown, and feed speed is 130mm/min, and main shaft turns
Speed is 400 revs/min.
(4) the cone-shaped end milling of the TC4 titanium alloy pipe of step (3) gained is put down.
(5) 2 passage heat rotation forming step (4) gained these end bulbs of TC4 titanium alloy pipe, every time
Deflection is 10%；This heat rotation forming technology uses necking in spindown, and feed speed is 110mm/min, main
Axle rotating speed is 350 revs/min.
(6) repeat step (2) to (5) to be shaped by the other end bulb of TC4 titanium alloy pipe.
Embodiment 3
As in figure 2 it is shown, a kind of TC4 titanium alloy tube bulbec feverish sensation in the head spin-on process of the present invention, its bag
Include following steps:
(1) taking TC4 titanium alloy pipe, the both ends of TC4 titanium alloy pipe cut by car.
(2) then, with spray gun, one end of TC4 titanium alloy pipe is heated, higher for obtaining
Plasticity, can obtain again preferable microscopic structure simultaneously, and temperature controls at 850 DEG C, and uses infrared thermometry
Instrument carries out temperature detection, it is ensured that TC4 titanium alloy pipe uniformity of temperature in forming process.
One end of the TC4 titanium alloy pipe of (3) 2 passage heat rotation forming step (2) gained so that TC4
The end of titanium alloy pipe forms cone angle, and wherein cone angle is 12 ° (semi-cone angle is 6 °), every time deformation
Amount is 40%.This heat rotation forming technology uses necking in spindown, and feed speed is 160mm/min, and main shaft turns
Speed is 650 revs/min.
(4) the cone-shaped end milling of the TC4 titanium alloy pipe of step (3) gained is put down.
(5) 1 passage heat rotation forming step (4) gained these end bulbs of TC4 titanium alloy pipe, deflection
It is 30%；This heat rotation forming technology uses necking in spindown, and feed speed is 140mm/min, the speed of mainshaft
It it is 500 revs/min.
(6) repeat step (2) to (5) to be shaped by the other end bulb of TC4 titanium alloy pipe.
Claims (3)
1. a TC4 titanium alloy tube bulbec feverish sensation in the head spin-on process, it is characterised in that: the method include as
Lower step:
(1) taking TC4 titanium alloy pipe, the both ends of TC4 titanium alloy pipe cut by car；
(2) then, heating one end of TC4 titanium alloy pipe with spray gun, temperature controls
650 DEG C～850 DEG C, and carry out temperature detection with infrared thermometer, it is ensured that TC4 titanium alloy pipe is becoming
The uniformity of temperature during shape；
One end of (3) 2～4 passage heat rotation forming step (2) gained TC4 titanium alloy pipes so that
The end of TC4 titanium alloy pipe forms cone angle, and this cone angle is 10～12 °, every time deflection be 20～
40%；The rotation of this heat shapes and uses necking in spindown technique, and feed speed is 130～160mm/min, and main shaft turns
Speed is 400～650 revs/min；
(4) the cone-shaped end milling of the TC4 titanium alloy pipe of step (3) gained is put down；
(5) 1～2 passage heat rotation forming step (4) gained these end bulbs of TC4 titanium alloy pipe, per pass
Secondary deflection is 10～30%；This heat rotation forming technology use necking in spindown, feed speed be 110～
140mm/min, the speed of mainshaft is 350～500 revs/min；
(6) repeat step (2) to (5) to be shaped by the other end bulb of TC4 titanium alloy pipe.
A kind of TC4 titanium alloy tube bulbec feverish sensation in the head spin-on process the most according to claim 1, it is special
Levy and be: in step (3), every time deflection is 25～35%.
A kind of TC4 titanium alloy tube bulbec feverish sensation in the head spin-on process the most according to claim 1 and 2,
It is characterized in that: it is 15～25% that the heat rotation described in step (5) shapes deflection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310305784.4A CN103406761B (en) | 2013-07-19 | 2013-07-19 | TC4 titanium alloy tube bulbec feverish sensation in the head spin-on process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310305784.4A CN103406761B (en) | 2013-07-19 | 2013-07-19 | TC4 titanium alloy tube bulbec feverish sensation in the head spin-on process |
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| Publication Number | Publication Date |
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| CN103406761A CN103406761A (en) | 2013-11-27 |
| CN103406761B true CN103406761B (en) | 2016-08-10 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103706716B (en) * | 2014-01-09 | 2015-08-19 | 哈尔滨工业大学 | A kind of titanium alloy thin wall component hot spinning accurate temperature controlling method |
| CN105033044A (en) * | 2015-07-29 | 2015-11-11 | 兴化市阳光汽配厂 | Stamping preparation method for tie rod ball for truck |
| CN112246947B (en) * | 2020-09-28 | 2022-10-18 | 湖北三江航天江北机械工程有限公司 | Forming and processing method of titanium alloy high-pressure seamless gas cylinder for ships |
| CN115318924B (en) * | 2022-10-17 | 2023-01-24 | 四川大学 | Titanium alloy seamless gas cylinder spinning equipment and spinning forming method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2406059A (en) * | 1943-06-10 | 1946-08-20 | Linde Air Prod Co | Process of spinning hollow articles |
| JPS5933041A (en) * | 1982-08-17 | 1984-02-22 | Showa Mfg Co Ltd | Bottom forming of cylinder for buffer |
| JPH05123784A (en) * | 1991-08-30 | 1993-05-21 | Atsugi Unisia Corp | Method for closing pipe end |
| CN101480683A (en) * | 2009-01-15 | 2009-07-15 | 江西昌河航空工业有限公司 | Method for processing spherical closing-in of thin-wall alloy steel delivery tube and special-purpose hob cutter |
| CN102489617A (en) * | 2011-12-02 | 2012-06-13 | 王平安 | Metal tube seal process |
| CN103182457A (en) * | 2011-12-27 | 2013-07-03 | 上海航天精密机械研究所 | High-speed spinning sealing process method for pipe port |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100542736C (en) * | 2007-08-09 | 2009-09-23 | 航天材料及工艺研究所 | A kind of manufacture method of large size, thin walled cap seal head made from TC 4 titanium alloy with high precision |
| CN101704035A (en) * | 2009-11-26 | 2010-05-12 | 北京有色金属研究总院 | Processing method of high-strength titanium alloy thin-walled tube stock |
-
2013
- 2013-07-19 CN CN201310305784.4A patent/CN103406761B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2406059A (en) * | 1943-06-10 | 1946-08-20 | Linde Air Prod Co | Process of spinning hollow articles |
| JPS5933041A (en) * | 1982-08-17 | 1984-02-22 | Showa Mfg Co Ltd | Bottom forming of cylinder for buffer |
| JPH05123784A (en) * | 1991-08-30 | 1993-05-21 | Atsugi Unisia Corp | Method for closing pipe end |
| CN101480683A (en) * | 2009-01-15 | 2009-07-15 | 江西昌河航空工业有限公司 | Method for processing spherical closing-in of thin-wall alloy steel delivery tube and special-purpose hob cutter |
| CN102489617A (en) * | 2011-12-02 | 2012-06-13 | 王平安 | Metal tube seal process |
| CN103182457A (en) * | 2011-12-27 | 2013-07-03 | 上海航天精密机械研究所 | High-speed spinning sealing process method for pipe port |
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| CN103406761A (en) | 2013-11-27 |
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