CN112658032A - Titanium alloy core rod perforation method - Google Patents
Titanium alloy core rod perforation method Download PDFInfo
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- CN112658032A CN112658032A CN202011239973.2A CN202011239973A CN112658032A CN 112658032 A CN112658032 A CN 112658032A CN 202011239973 A CN202011239973 A CN 202011239973A CN 112658032 A CN112658032 A CN 112658032A
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- titanium alloy
- core rod
- alloy core
- cross rolling
- setting
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- 229910001069 Ti alloy Inorganic materials 0.000 title claims abstract description 76
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000005096 rolling process Methods 0.000 claims abstract description 24
- 238000004080 punching Methods 0.000 claims abstract description 15
- 238000010438 heat treatment Methods 0.000 claims abstract description 14
- 238000003754 machining Methods 0.000 abstract description 4
- 239000000956 alloy Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000399 orthopedic effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
Abstract
The invention discloses a titanium alloy core rod perforating method, which comprises the following steps: s1, carrying out heat treatment on the titanium alloy core rod for 10-15 min; s2, positioning the titanium alloy core rod by adopting a centering structure of the cross rolling piercing mill, setting the rotating speed of a roller of the cross rolling piercing mill to be 40 r/min-70 r/min, setting the advancing angle to be 10-15 degrees and setting the temperature to be 800-900 ℃; and S3, transferring the titanium alloy core rod into a guide chute of the cross rolling puncher, and punching the titanium alloy core rod by a punching head of the cross rolling puncher. The method can be used for perforating the titanium alloy core rod without adopting a lathe, greatly improves the machining precision, ensures the precise perforation of the titanium alloy core rod, and ensures that the technical quality index of the titanium alloy core rod is completely met, stable and reliable.
Description
Technical Field
The invention belongs to the technical field of titanium alloy material processing, and particularly relates to a titanium alloy core rod perforation method.
Background
The titanium alloy has low density, low modulus, biocompatibility, excellent corrosion resistance, high specific strength, high toughness and high fatigue performance, and is a key structural material in the fields of aerospace and medical treatment. With the rapid development and technical progress in the aerospace and orthopedic medical fields, the requirements on raw materials are higher and higher, and particularly, a large amount of high-performance titanium alloy materials are applied to be used as materials for fasteners.
At present, the punching operation of the titanium alloy core rod is generally carried out by adopting a lathe machining mode, the precision of the machining mode is low, the precise punching of the titanium alloy core rod cannot be met, and further the technical quality index of the titanium alloy core rod cannot be completely met, and the titanium alloy core rod is stable and reliable.
Disclosure of Invention
The invention overcomes the defects of the prior art and provides a titanium alloy core rod perforation method to solve the problems in the prior art.
In order to achieve the purpose, the invention adopts the technical scheme that: a titanium alloy core rod perforating method comprises the following steps:
s1, carrying out heat treatment on the titanium alloy core rod for 10-15 min;
s2, positioning the titanium alloy core rod by adopting a centering structure of the cross rolling piercing mill, setting the rotating speed of a roller of the cross rolling piercing mill to be 40 r/min-70 r/min, setting the advancing angle to be 10-15 degrees and setting the temperature to be 800-900 ℃;
and S3, transferring the titanium alloy core rod into a guide chute of the cross rolling puncher, and punching the titanium alloy core rod by a punching head of the cross rolling puncher.
In a preferred embodiment of the present invention, in step S1, the temperature range of the heat treatment is 800-850 ℃.
In a preferred embodiment of the invention, the titanium alloy core rod has an outer diameter of 20mm to 25mm and an inner diameter of 3mm to 6.5 mm.
In a preferred embodiment of the invention, the length of the titanium alloy core rod is 350 mm-400 mm.
In a preferred embodiment of the present invention, in step S3, the temperature is 800-900 ℃ during the punching operation.
In a preferred embodiment of the present invention, the titanium alloy core rod is a titanium alloy core rod meeting the requirements of the GB/T13810-2017 standard.
The invention solves the defects in the background technology, and has the following beneficial effects:
the method can be used for perforating the titanium alloy core rod without adopting a lathe, greatly improves the machining precision, ensures the precise perforation of the titanium alloy core rod, and ensures that the technical quality index of the titanium alloy core rod is completely met, stable and reliable.
Detailed Description
The present invention will now be described in further detail with reference to examples.
Example one
A titanium alloy core rod perforating method comprises the following steps:
s1, carrying out heat treatment on the titanium alloy core rod for 10 min;
s2, positioning the titanium alloy core rod by adopting a centering structure of the cross rolling piercing mill, setting the rotating speed of a roller of the cross rolling piercing mill to be 40r/min, setting the advancing angle to be 10 degrees and setting the temperature to be 800 ℃;
and S3, transferring the titanium alloy core rod into a guide chute of the cross rolling puncher, and punching the titanium alloy core rod by a punching head of the cross rolling puncher.
In this example, the titanium alloy core rod was subjected to heat treatment and then placed in a cross piercing mill to perform piercing.
Specifically, in step S1, the temperature range of the heat treatment is 800 ℃.
In this example, the titanium alloy core rod had an outer diameter of 20mm and an inner diameter of 3 mm.
In this embodiment, the length of the titanium alloy core rod is 350 mm.
Further, in step S3, the temperature was 800 ℃ when the piercing operation was performed.
In this embodiment, the titanium alloy core rod is a titanium alloy core rod meeting the requirements of GB/T13810-2017 standard.
Example two
A titanium alloy core rod perforating method comprises the following steps:
s1, carrying out heat treatment on the titanium alloy core rod for 12 min;
s2, positioning the titanium alloy core rod by adopting a centering structure of the cross rolling piercing mill, setting the rotating speed of a roller of the cross rolling piercing mill to be 50r/min, setting the advancing angle to be 13 degrees and setting the temperature to be 850 ℃;
and S3, transferring the titanium alloy core rod into a guide chute of the cross rolling puncher, and punching the titanium alloy core rod by a punching head of the cross rolling puncher.
In this example, the titanium alloy core rod was subjected to heat treatment and then placed in a cross piercing mill to perform piercing.
Further, in step S1, the temperature range of the heat treatment is 830 ℃.
Specifically, the outer diameter of the titanium alloy core rod is 22mm, and the inner diameter of the titanium alloy core rod is 5 mm.
In this embodiment, the length of the titanium alloy core rod is 380 mm.
Further, in step S3, the temperature was 850 ℃.
Specifically, the titanium alloy core rod is a titanium alloy core rod meeting the requirements of GB/T13810-2017 standard.
EXAMPLE III
A titanium alloy core rod perforating method comprises the following steps:
s1, carrying out heat treatment on the titanium alloy core rod for 15 min;
s2, positioning the titanium alloy core rod by adopting a centering structure of the cross rolling piercing mill, setting the rotating speed of a roller of the cross rolling piercing mill to be 70r/min, setting the advancing angle to be 15 degrees and setting the temperature to be 900 ℃;
and S3, transferring the titanium alloy core rod into a guide chute of the cross rolling puncher, and punching the titanium alloy core rod by a punching head of the cross rolling puncher.
In this example, the titanium alloy core rod was subjected to heat treatment and then placed in a cross piercing mill to perform piercing.
Further, in step S1, the temperature range of the heat treatment is 850 ℃.
Specifically, the outer diameter of the titanium alloy core rod is 25mm, and the inner diameter of the titanium alloy core rod is 6.5 mm.
In this embodiment, the length of the titanium alloy core rod is 400 mm.
Further, in step S3, the temperature is 900 ℃ when the piercing operation is performed.
Specifically, the titanium alloy core rod is a titanium alloy core rod meeting the requirements of GB/T13810-2017 standard.
In summary, the invention can perform piercing operation on the titanium alloy core rod without using a lathe for processing, thereby greatly improving the processing precision, ensuring accurate piercing of the titanium alloy core rod, and ensuring that the technical quality index of the titanium alloy core rod is completely satisfied and is stable and reliable.
In light of the foregoing description of the preferred embodiment of the present invention, it is to be understood that various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (6)
1. A titanium alloy core rod perforation method is characterized by comprising the following steps:
s1, carrying out heat treatment on the titanium alloy core rod for 10-15 min;
s2, positioning the titanium alloy core rod by adopting a centering structure of the cross rolling piercing mill, setting the rotating speed of a roller of the cross rolling piercing mill to be 40 r/min-70 r/min, setting the advancing angle to be 10-15 degrees and setting the temperature to be 800-900 ℃;
and S3, transferring the titanium alloy core rod into a guide chute of the cross rolling puncher, and punching the titanium alloy core rod by a punching head of the cross rolling puncher.
2. The method of claim 1, wherein the heat treatment temperature in step S1 is in the range of 800 ℃ to 850 ℃.
3. The titanium alloy core rod piercing method according to claim 1, wherein the titanium alloy core rod has an outer diameter of 20mm to 25mm and an inner diameter of 3mm to 6.5 mm.
4. The method of claim 1, wherein the titanium alloy core rod has a length of 350mm to 400 mm.
5. The method of claim 1, wherein the piercing operation is performed at a temperature of 800 ℃ to 900 ℃ in step S3.
6. The method as claimed in claim 1, wherein the titanium alloy core rod is a titanium alloy core rod meeting the requirements of GB/T13810-2017 standard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011239973.2A CN112658032A (en) | 2020-11-09 | 2020-11-09 | Titanium alloy core rod perforation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011239973.2A CN112658032A (en) | 2020-11-09 | 2020-11-09 | Titanium alloy core rod perforation method |
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| Publication Number | Publication Date |
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| CN112658032A true CN112658032A (en) | 2021-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011239973.2A Pending CN112658032A (en) | 2020-11-09 | 2020-11-09 | Titanium alloy core rod perforation method |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107052076A (en) * | 2016-11-28 | 2017-08-18 | 安徽宝泰特种材料有限公司 | A kind of method of chuck plug hot rolling heavy caliber titanium or titanium alloy thin-wall seamless pipe |
| CN107695102A (en) * | 2017-10-24 | 2018-02-16 | 西安建筑科技大学 | A kind of method for preventing to block after thick-walled pipe roll piercing |
| CN110252813A (en) * | 2019-03-15 | 2019-09-20 | 西北工业大学 | A kind of Mannesmann piercing method of the solid bar stock of nickel base superalloy |
| CN110252814A (en) * | 2019-03-18 | 2019-09-20 | 西北工业大学 | A kind of Mannesmann piercing method of titanium alloy solid bar stock |
| CN110935743A (en) * | 2019-12-12 | 2020-03-31 | 西安圣泰金属材料有限公司 | Preparation method of titanium alloy hollow bar |
-
2020
- 2020-11-09 CN CN202011239973.2A patent/CN112658032A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107052076A (en) * | 2016-11-28 | 2017-08-18 | 安徽宝泰特种材料有限公司 | A kind of method of chuck plug hot rolling heavy caliber titanium or titanium alloy thin-wall seamless pipe |
| CN107695102A (en) * | 2017-10-24 | 2018-02-16 | 西安建筑科技大学 | A kind of method for preventing to block after thick-walled pipe roll piercing |
| CN110252813A (en) * | 2019-03-15 | 2019-09-20 | 西北工业大学 | A kind of Mannesmann piercing method of the solid bar stock of nickel base superalloy |
| CN110252814A (en) * | 2019-03-18 | 2019-09-20 | 西北工业大学 | A kind of Mannesmann piercing method of titanium alloy solid bar stock |
| CN110935743A (en) * | 2019-12-12 | 2020-03-31 | 西安圣泰金属材料有限公司 | Preparation method of titanium alloy hollow bar |
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Application publication date: 20210416 |