CN109759529A - A kind of high strength titanium alloy forging rolling technique - Google Patents
A kind of high strength titanium alloy forging rolling technique Download PDFInfo
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- CN109759529A CN109759529A CN201711100550.0A CN201711100550A CN109759529A CN 109759529 A CN109759529 A CN 109759529A CN 201711100550 A CN201711100550 A CN 201711100550A CN 109759529 A CN109759529 A CN 109759529A
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- titanium alloy
- alloy slab
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Abstract
It is a kind of to be related to a kind of high strength titanium alloy forging rolling technique of titanium alloy forging rolling technical field, the technique is as follows: titanium alloy slab ingot is placed on to the position that tup is corresponded in forging mill by big manipulator, then tup forges and presses titanium alloy slab ingot with the speed decline of 1min150~170mm, after a face of titanium alloy slab ingot has been forged, titanium alloy slab ingot is removed and is heated to 460 ± 10 DEG C, then it turns out again, another face of titanium alloy slab ingot is forged and pressed, until the face has been forged;It repeats the above steps, until the thickness by titanium alloy slab ingot forging rolling to needs;The technique can effectively improve the forging rolling yield rate of titanium alloy slab ingot.
Description
Technical field
The present invention relates to titanium alloy forging rolling technical fields, more particularly, to a kind of forging applied to high strength titanium alloy slab ingot
Roll process.
Background technique
It is well known, since titanium alloy not only has good corrosion-resistant, room temperature mechanics and higher stretching and compression yield
Intensity, but also there is high-temperature instantaneous intensity and good forming and welding performance, and use temperature≤150 DEG C, therefore, lead to
It is usually used in making aircraft skin, hatch door, siding, stringer, the rocker arm of operating system, support, guided missile covering and aerospace structural member etc.;
But in practical applications, due to needing to improve the density and intensity of titanium alloy by forging rolling, and it is mostly the process of forging rolling
Carry out decision by the personal experience of Field Force, therefore, the forging rolling yield rate of existing high strength titanium alloy slab ingot is very low.
Summary of the invention
In order to overcome the shortcomings in the background art, described the invention discloses a kind of high strength titanium alloy forging rolling technique
Technique can effectively improve the forging rolling yield rate of titanium alloy slab ingot.
For achieving the above object, the present invention adopts the following technical scheme:
A kind of high strength titanium alloy forging rolling technique, the processing step are as follows:
(1) high-strength steel sheet matched with the size of titanium alloy slab ingot, weight is lived by a big manipulator clamping, and by one
Deblocking temperature is that 1000 DEG C of steel ingot is placed on steel plate folded by big manipulator, is then put high temperature steel ingot to forging using big manipulator
Below the tup of milling train, at this point, corresponding drop to above high temperature steel ingot of tup is preheated;When the temperature of tup reaches 300 DEG C
When, rise tup, while quickly removing big manipulator, and high temperature steel ingot is quickly removed;
(2) the titanium alloy slab ingot after being heated up by a gadget hand handle moves on on the steel plate of big manipulator, it is desirable that titanium alloy
The upper and lower surface of slab ingot makes of carbon dust to be lubricated, while requiring to place titanium alloy slab ingot at once when removing high temperature steel ingot;
(3) face forging and stamping of titanium alloy slab ingot finish, and are heated to 460 ± 10 DEG C after titanium alloy slab ingot is removed, then
It turns out again, another face of titanium alloy slab ingot is forged and pressed, until the face has been forged;
Forging rolling titanium alloy slab ingot of the present invention it is simple for process, be convenient for enforcement of regulations, using the technique
Forging rolling high strength titanium alloy slab ingot is not only able to effectively improve forging rolling yield rate, but also can be due to the raising of yield rate
The corresponding cost for reducing high strength titanium alloy, and then achieved the purpose that increase high strength titanium alloy occupation rate of market.
Specific embodiment
The present invention can be explained in more detail by the following examples, the open purpose of the present invention is intended to protect the present invention
All changes and improvements in range, the invention is not limited to the following examples:
The processing step of forging rolling titanium alloy slab ingot of the present invention is as follows:
(1) forging mill for selecting 7000 tons is lived mating with size, the weight of titanium alloy slab ingot by a big manipulator clamping
High-strength steel sheet, and be that 1000 DEG C of steel ingot is placed on steel plate folded by big manipulator by a deblocking temperature, then utilize big machine
Tool hand puts high temperature steel ingot to the tup of forging mill, at this point, corresponding drop to above high temperature steel ingot of tup is preheated;When
When the temperature of tup reaches 300 DEG C, rise tup, while quickly removing big manipulator, and high temperature steel ingot is quickly removed;
(2) the titanium alloy slab ingot after being heated up by a gadget hand handle moves on on the steel plate of big manipulator, as needed,
The upper side of titanium alloy slab ingot places heat preservation asbestos cloth, too fast to prevent its temperature from declining;Furthermore, it is desirable that titanium alloy slab ingot
Upper and lower surface makes of carbon dust to be lubricated, while requiring to place titanium alloy slab ingot at once when removing high temperature steel ingot;Move on the steel plate
Inaccurate having time is poor when walking high temperature steel ingot and placing titanium alloy slab ingot;
(3) face forging and stamping of titanium alloy slab ingot finish, and titanium alloy slab ingot are first heated to 460 ± 10 DEG C, then again
It turns out, another face of titanium alloy slab ingot is forged and pressed, until this face of titanium alloy slab ingot has also been forged;
Implement to need to pay attention to when the technique of the forging rolling titanium alloy slab ingot:
(1) in forging rolling, a face of titanium alloy slab ingot is once merely able to forging rolling together, i.e., cannot continuous forging rolling it is same
Twice, when a face forging rolling is one complete, together, if heating a forging rolling two, how flat titanium close the forging rolling that turn out again in face
Ingot is easy for cracking, this is because the crystal size of titanium alloy slab ingot the inside after forging together is different, which is easy to crack
Mixed crystal, therefore cannot be to a Mian Duan bis- of titanium alloy slab ingot;There are one the reason is that at a temperature of titanium alloy slab ingot
Drop is very fast, is easy for cracking when at a temperature below 380 DEG C;It is complete first of forging rolling, anti-a to forging when titanium alloy forging heats
Face reheats, because forging obtains forging rolling on the other surface when forging second.
(2) tup of forging mill used in is a U-shaped, i.e., using the arc edge of tup come the conjunction of effective guarantee titanium
Golden slab ingot can have certain mobility in forging rolling;
(3) the primary forging rolling amount of forging mill should be the 25~29% of titanium alloy slab ingot thickness, and certain it is noted that being every time
It is no forging thoroughly because once forge it is impermeable if, be easy for cracking in lower road forging rolling.
Part not in the detailed description of the invention is the prior art, therefore the present invention is not described in detail.
Claims (1)
1. a kind of high strength titanium alloy forging rolling technique, it is characterized in that: the processing step is as follows:
(1) high-strength steel sheet matched with the size of titanium alloy slab ingot, weight is lived by a big manipulator clamping, and by one piece of temperature
Degree is placed on steel plate folded by big manipulator for 1000 DEG C of steel ingot, is then put high temperature steel ingot to forging mill using big manipulator
Tup below, at this point, corresponding drop to above high temperature steel ingot of tup is preheated;When the temperature of tup reaches 300 DEG C, on
Tup is risen, while quickly removing big manipulator, and high temperature steel ingot is quickly removed;
(2) the titanium alloy slab ingot after being heated up by a gadget hand handle moves on on the steel plate of big manipulator, it is desirable that titanium alloy slab ingot
Upper and lower surface make and lubricate of carbon dust, while requiring to place titanium alloy slab ingot at once when removing high temperature steel ingot;
(3) face forging and stamping of titanium alloy slab ingot finish, and are heated to 460 ± 10 DEG C after titanium alloy slab ingot is removed, then turn over again
Another face of titanium alloy slab ingot is forged and pressed in a face, until the face has been forged.
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CN201711100550.0A CN109759529A (en) | 2017-11-09 | 2017-11-09 | A kind of high strength titanium alloy forging rolling technique |
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CN201711100550.0A CN109759529A (en) | 2017-11-09 | 2017-11-09 | A kind of high strength titanium alloy forging rolling technique |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113843382A (en) * | 2021-07-14 | 2021-12-28 | 攀枝花市仁通钒业有限公司 | Production process of vanadium-titanium carbide alloy |
-
2017
- 2017-11-09 CN CN201711100550.0A patent/CN109759529A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113843382A (en) * | 2021-07-14 | 2021-12-28 | 攀枝花市仁通钒业有限公司 | Production process of vanadium-titanium carbide alloy |
CN113843382B (en) * | 2021-07-14 | 2024-04-26 | 攀枝花市仁通钒业有限公司 | Production process of vanadium titanium carbide alloy |
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