CN107745229A - A kind of titanium alloy pipe processing method - Google Patents
A kind of titanium alloy pipe processing method Download PDFInfo
- Publication number
- CN107745229A CN107745229A CN201710909123.0A CN201710909123A CN107745229A CN 107745229 A CN107745229 A CN 107745229A CN 201710909123 A CN201710909123 A CN 201710909123A CN 107745229 A CN107745229 A CN 107745229A
- Authority
- CN
- China
- Prior art keywords
- rolling
- pipe
- titanium alloy
- processing method
- alloy pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
- B21B37/58—Roll-force control; Roll-gap control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
- B21B37/74—Temperature control, e.g. by cooling or heating the rolls or the product
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
The invention discloses a kind of titanium alloy pipe processing method, specifically implement according to following steps：Step 1, the machining of pipe surface and pipe preheating, steps 2, the pipe after being preheated in step 1 are rolled, step 3, the pipe fitting after rolling cooled down.Solve the problems, such as that existing processing method can cause pipe workpiece quality difference.
Description
Technical field
The invention belongs to titanium alloy profile processing technique field, is related to a kind of titanium alloy pipe processing method.
Background technology
The method of existing processing and manufacturing titanium or titanium alloy pipe, there is perforation pipe rolling, titanium alloy strip forming welding
Three kinds of method and extrusion etc..Drilling/rolling method, it is after being swaged into long bar stock with precise forging machine, to be heated titanium alloy casting into blank
After be sent into 2 rollers or 3 roller punches wear into hollow forging, then hollow forging (also known as pipe) is subjected to hot rolling and cold rolling, and obtain finished product tubing.
The defects of above-mentioned three kinds of methods, not all being surface-treated to pipe, and being present in pipe top layer, inevitably will be afterwards
In rolling process, by the structure of roll off to body；And its processing is all carried out in atmosphere, the oxide skin of its Surface Creation,
Inevitably entered by roll off in matrix, and all by the quality of finished product tubing, produce destructive role and influence.Due to titanium
The special characteristics of material, subsequent technique are difficult to support control by people, cause of low quality, the defect rate height of tubing produced.
The content of the invention
It is an object of the invention to provide a kind of titanium alloy pipe processing method, and tubing can be caused by solving existing processing method
Ropy problem.
The technical solution adopted by the present invention is a kind of titanium alloy pipe processing method, specifically to implement according to following steps：
Step 1, the machining of pipe surface and pipe preheating,
Step 2, the pipe after being preheated in step 1 is rolled,
Step 3, the pipe fitting after rolling is cooled down.
It is of the invention to be further characterized in that,
Described step 1 concretely comprises the following steps：
Step 1.1, pipe surface is machined out, specifically carries out Milling Machining；
Step 1.2, the pipe after processing is preheated, preheating temperature is 500~720 DEG C.
Step 2 concretely comprises the following steps：
Step 2.1, rolled first, the parameter for rolling processing is：5 times of the compression ratio ＜ 10% of rolling, elongation ＜；
Step 2.2, secondary rolling is carried out, the parameter for rolling processing is：4 times of the compression ratio ＜ 12% of rolling, elongation ＜；
Step 2.3, third time rolling is carried out, the parameter for rolling processing is：The compression ratio ＜ 16% of rolling, elongation ＜ 2
Times.
The described multiple operation of rolling is carried out in the environment of inert gas.
Described step 3 is specially：Pipe fitting after rolling is cooled down under conditions of cooling rate is 120~150 DEG C/s
It is cooled to room temperature.
The temperature-fall period of described step 3 is also to be carried out in the environment of inert gas.
The beneficial effects of the invention are as follows：After being preheated in the environment of inert gas to titanium tube blank, carry out multiple tracks and roll
System, is finally cooled to room temperature, during rolling, ensures mistake of the materials in the tube in processing by regular controlled rolling parameter
The mechanical performance of materials in the tube is lost minimum in journey, so as to ensure that the performance of product.
Embodiment
With reference to embodiment, the present invention is described in detail.
A kind of titanium alloy pipe processing method, it is characterised in that implement according to following steps：
Step 1, the machining of pipe surface and pipe preheating, it is specially：
Step 1.1, pipe surface is machined out, specifically carries out Milling Machining；
Step 1.2, the pipe after processing is preheated, preheating temperature is 500~720 DEG C.
Step 2, the pipe after being preheated in step 1 is rolled, is specially：
Step 2.1, rolled first, the parameter for rolling processing is：5 times of the compression ratio ＜ 10% of rolling, elongation ＜；
Step 2.2, secondary rolling is carried out, the parameter for rolling processing is：4 times of the compression ratio ＜ 12% of rolling, elongation ＜；
Step 2.3, third time rolling is carried out, the parameter for rolling processing is：The compression ratio ＜ 16% of rolling, elongation ＜ 2
Times.
The described multiple operation of rolling is carried out in the environment of inert gas.
Step 3, the pipe fitting after rolling is cooled down.In cooling rate it is 120~150 DEG C/s by the pipe fitting after rolling
Under the conditions of cool to room temperature.Temperature-fall period is also to be carried out in the environment of inert gas.
Claims (6)
1. a kind of titanium alloy pipe processing method, it is characterised in that implement according to following steps：
Step 1, the machining of pipe surface and pipe preheating,
Step 2, the pipe after being preheated in step 1 is rolled,
Step 3, the pipe fitting after rolling is cooled down.
A kind of 2. titanium alloy pipe processing method according to claim 1, it is characterised in that described step 1 it is specific
Step is：
Step 1.1, pipe surface is machined out, specifically carries out Milling Machining；
Step 1.2, the pipe after processing is preheated, preheating temperature is 500~720 DEG C.
3. a kind of titanium alloy pipe processing method according to claim 1, it is characterised in that step 2 concretely comprises the following steps：
Step 2.1, rolled first, the parameter for rolling processing is：5 times of the compression ratio ＜ 10% of rolling, elongation ＜；
Step 2.2, secondary rolling is carried out, the parameter for rolling processing is：4 times of the compression ratio ＜ 12% of rolling, elongation ＜；
Step 2.3, third time rolling is carried out, the parameter for rolling processing is：2 times of the compression ratio ＜ 16% of rolling, elongation ＜.
A kind of 4. titanium alloy pipe processing method according to claim 3, it is characterised in that the described multiple operation of rolling
Carried out in the environment of inert gas.
5. a kind of titanium alloy pipe processing method according to claim 1, it is characterised in that described step 3 is specially：
Pipe fitting after rolling is cooled to room temperature under conditions of cooling rate is 120~150 DEG C/s.
A kind of 6. titanium alloy pipe processing method according to claim 5, it is characterised in that the cooling of described step 3
Process is carried out in the environment of inert gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710909123.0A CN107745229A (en) | 2017-09-29 | 2017-09-29 | A kind of titanium alloy pipe processing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710909123.0A CN107745229A (en) | 2017-09-29 | 2017-09-29 | A kind of titanium alloy pipe processing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107745229A true CN107745229A (en) | 2018-03-02 |
Family
ID=61254696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710909123.0A Pending CN107745229A (en) | 2017-09-29 | 2017-09-29 | A kind of titanium alloy pipe processing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107745229A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002275533A (en) * | 2001-03-13 | 2002-09-25 | Nippon Steel Corp | Method for producing steel tube having excellent formability |
| CN1390678A (en) * | 2002-07-24 | 2003-01-15 | 江苏兴荣高新科技股份有限公司 | Warm machining method for making titanium or Ti-alloy pipe |
| CN101176882A (en) * | 2007-12-13 | 2008-05-14 | 北京有色金属研究总院 | Process technique of high-strength titanium alloy pipes |
| CN102049414A (en) * | 2010-11-17 | 2011-05-11 | 常荣波 | High-strength titanium and titanium alloy profile temperature rolling process and dedicated high-speed roll mill |
| CN103146956A (en) * | 2013-03-26 | 2013-06-12 | 武汉武船机电设备有限责任公司 | Titanium alloy pipe and manufacturing method |
-
2017
- 2017-09-29 CN CN201710909123.0A patent/CN107745229A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002275533A (en) * | 2001-03-13 | 2002-09-25 | Nippon Steel Corp | Method for producing steel tube having excellent formability |
| CN1390678A (en) * | 2002-07-24 | 2003-01-15 | 江苏兴荣高新科技股份有限公司 | Warm machining method for making titanium or Ti-alloy pipe |
| CN101176882A (en) * | 2007-12-13 | 2008-05-14 | 北京有色金属研究总院 | Process technique of high-strength titanium alloy pipes |
| CN102049414A (en) * | 2010-11-17 | 2011-05-11 | 常荣波 | High-strength titanium and titanium alloy profile temperature rolling process and dedicated high-speed roll mill |
| CN103146956A (en) * | 2013-03-26 | 2013-06-12 | 武汉武船机电设备有限责任公司 | Titanium alloy pipe and manufacturing method |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180302 |
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| RJ01 | Rejection of invention patent application after publication |