A hot circle forming method for titanium alloy cylinder parts
A titanium alloy and cylinder technology is applied in the field of forming a cylinder or a conical cylinder part by bending a titanium alloy billet, which can solve the problems of poor cold forming performance, low forming quality, long working time, etc. Fewer processing steps and less impact
Active Publication Date: 2019-04-19
BEIJING HANGXING MACHINERY MFG CO LTD
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Problems solved by technology
[0002] As a commonly used metal material in the aerospace industry, titanium alloy has poor cold forming performance and has always been an important problem in production tests, especially when forming common cylinder and cone parts, titanium alloy after conventional cold forming The resulting springback causes the actual plastic deformation to be very small, and the process has to be repeated multiple times, the working time is long, the efficiency is low, and the final forming quality is not high
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Embodiment
[0038] The material of the titanium alloy conical cylinder part is TA15 titanium alloy. The diameters of the two ends of the conical cylinder are 280mm and 320mm respectively, the height of the part is 800mm, and the wall thickness is 2mm. , the distance between the two ends of the billet in the final free state is not more than 20mm;
[0039] The specific real-time method is carried out according to the following process steps:
[0040] (1) Prepare the blank;
[0041] The blank includes a processing body and a fixed part located at the top and bottom of the processing body. The shape and size of the processing body are consistent with the expanded shape and size of the titanium alloy cylinder parts to be formed. The fixed part refers to the The height direction of the top and bottom of the processing main body is not less than 20mm; the number of design positioning gaps is 9 pairs, such as figure 1 As shown; according to the calculated blank size, the blank is laser cut;
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Abstract
The invention relates to a titanium alloy barrel class part hot circling forming method, in particular to a method applied to titanium alloy barrel and conic barrel hot circling forming, namely a method applied to titanium alloy barrel and conic barrel circling forming under the hot state. The method is suitable for bending and circling on a titanium alloy blank into a barrel or a conical part under the heat state, and the method belongs to the technical field of titanium alloy forming. When the method is used for preparing titanium alloy barrel class parts, springback generated by titanium alloy performance during cold forming can be effectively avoided, the barrel class part circling forming efficiency is improved, the part circling quality is improved, the follow-up machining processes of the formed part are fewer, influences of the forming process on the quality of the part surface are small, and the parts are free of folding after circling.
Description
technical field [0001] The invention relates to a method for forming a hot circle of a titanium alloy cylinder part, in particular to a method for forming a hot circle of a titanium alloy cylinder and a cone, that is, a method for forming a circle of a titanium alloy cylinder and cone. The invention discloses a circle forming method in a hot state, which is suitable for bending a titanium alloy billet into a cylinder or a conical cylinder part in a heat state, and belongs to the technical field of titanium alloy forming. Background technique [0002] As a commonly used metal material in the aerospace industry, titanium alloy has poor cold forming performance and has always been an important problem in production tests, especially when forming common cylinder and cone parts, titanium alloy after conventional cold forming The resulting springback causes the actual plastic deformation to be very small, and the process has to be repeated multiple times, resulting in long working...
Claims
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IPC IPC(8): B21C37/08B21D5/10
CPCB21C37/08B21D5/10
Inventor 李保永徐凯姚为闫寒吴凯秦中环刘伟刘奇李信
Owner BEIJING HANGXING MACHINERY MFG CO LTD