CN114683011A - Method for manufacturing automobile transmission shaft tube - Google Patents
Method for manufacturing automobile transmission shaft tube Download PDFInfo
- Publication number
- CN114683011A CN114683011A CN202011594772.4A CN202011594772A CN114683011A CN 114683011 A CN114683011 A CN 114683011A CN 202011594772 A CN202011594772 A CN 202011594772A CN 114683011 A CN114683011 A CN 114683011A
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- China
- Prior art keywords
- manufacturing
- shaft tube
- strength steel
- rolling
- steel
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Classifications
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- 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
- B23P15/14—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass gear parts, e.g. gear wheels
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The invention provides a manufacturing method of an automobile transmission shaft tube, which comprises the following steps: s1: manufacturing high-strength steel, wherein the material of the high-strength steel is doped with metal niobium and titanium and the amount of the metal niobium and titanium is iron; s2: the roughing mill rolling comprises the following steps: and (3) producing on a hot continuous rolling mill unit, namely placing the high-strength steel continuous casting blank into a heating furnace for heating, performing high-pressure water descaling after the high-strength steel continuous casting blank is discharged, and performing rolling cooling on the high-strength steel continuous casting blank to 300-450 ℃ in a roughing mill, wherein S3: cutting: cutting strip steel, namely selecting a steel coil to be cut into a required length on a cutting machine, and determining the length according to the required diameter of a transmission shaft tube product; s4: cold rolling: cold rolling the strip steel by a rolling mill; s5: the annealing is carried out after the bending forming, the method is simple and easy to operate, and the manufactured transmission shaft tube is hard and wear-resistant.
Description
Technical Field
The invention mainly relates to the field of transmission shaft tubes, in particular to a manufacturing method of an automobile transmission shaft tube.
Background
The localization of vehicle parts has begun to develop from common parts to key parts, and from low-end vehicle models to high-end vehicle models. Most of the industry tendency thinks that, along with the increasing of the localization of local production by domestic automobile manufacturers, the price of domestic automobiles decreases, and the transfer to China and the further improvement of the localization rate are obviously irrecoverable shortcuts for keeping profit rate. The automobile steel pipe is an important component of automobile spare and accessory parts, can replace imported automobile steel pipes in research and development, fills gaps of domestic products of the type, and promotes the localization process of the automobile spare and accessory part industry.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, the present invention provides a method for manufacturing a transmission shaft tube of an automobile, comprising the steps of:
s1: manufacturing high-strength steel, wherein the material of the high-strength steel is doped with metal niobium and titanium and the amount of the metal niobium and titanium is iron;
s2: the roughing mill rolling comprises the following steps: the hot continuous rolling mill is used for production, the high-strength steel continuous casting billet is placed in a heating furnace for heating, high-pressure water descaling is carried out after the high-strength steel continuous casting billet is discharged, the high-strength steel continuous casting billet enters a roughing mill for rolling and cooling to 300-450 ℃,
s3: cutting: cutting strip steel, namely selecting a steel coil to be cut into a required length on a cutting machine, and determining the length according to the required diameter of a transmission shaft tube product;
s4: cold rolling: cold rolling the strip steel by a rolling mill;
s5: and (5) annealing after bending and forming.
Preferably, the steel is pickled between steps S3 and S4, and the sheared steel is passed through a pickling tank, a cold water tank, and a hot water tank in this order, and then dried after being taken out of the hot water tank.
Preferably, hydrochloric acid is used as the acid washing solution.
Preferably, the edges and corners are polished after bending and forming, the interface and the seam are polished in contact, and a polisher is used for processing.
Preferably, the hot continuous rolling mill temperature is set to 550-.
Preferably, the annealing is cooled to below 40 ℃.
The invention has the beneficial effects that: the method is simple and easy to operate, and the manufactured transmission shaft tube is hard and wear-resistant.
Detailed Description
In order to make the technical solutions of the present invention better understood and make the above features, objects, and advantages of the present invention more comprehensible, the present invention is further described with reference to the following examples. The examples are intended to illustrate the invention only and are not intended to limit the scope of the invention.
The invention includes: the manufacturing method of the automobile transmission shaft tube comprises the following steps:
s1: manufacturing high-strength steel, wherein the material of the high-strength steel is doped with metal niobium and titanium and the amount of the metal niobium and titanium is iron;
s2: the roughing mill rolling comprises the following steps: the hot continuous rolling mill is used for production, the high-strength steel continuous casting billet is placed in a heating furnace for heating, high-pressure water descaling is carried out after the high-strength steel continuous casting billet is discharged, the high-strength steel continuous casting billet enters a roughing mill for rolling and cooling to 300-450 ℃,
s3: cutting: cutting strip steel, namely selecting a steel coil to be cut into a required length on a cutting machine, and determining the length according to the required diameter of a transmission shaft tube product;
s3: cold rolling: cold rolling the strip steel by a rolling mill;
s4: and (5) annealing after bending and forming.
In this embodiment, preferably, between steps S3 and S4, the steel is pickled, and the sheared steel is successively passed through a pickling tank, a cold water tank, and a hot water tank in this order, taken out of the hot water tank, and dried.
In the present embodiment, hydrochloric acid is preferably used as the acid washing solution.
In this embodiment, it is preferable that the corner polishing process is performed after the bending and forming, the joint and the seam contact are polished, and the processing is performed by a polishing machine.
In the present embodiment, it is preferable that the temperature of the hot continuous rolling mill is set to 550-650 ℃.
In the present embodiment, annealing and cooling are preferably performed to 40 ℃.
The above-described embodiments are merely illustrative of the principles and utilities of the present patent application and are not intended to limit the present patent application. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of this patent application. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical concepts disclosed in the present application shall be covered by the claims of this patent application.
Claims (6)
1. The manufacturing method of the automobile transmission shaft tube is characterized by comprising the following steps:
s1: manufacturing high-strength steel, wherein the material of the high-strength steel is doped with metal niobium and titanium and the amount of the metal niobium and titanium is iron;
s2: the roughing mill rolling comprises the following steps: the hot continuous rolling mill train is used for production, the high-strength steel continuous casting billet is placed in a heating furnace for heating, high-pressure water descaling is carried out after the high-strength steel continuous casting billet is discharged from the furnace, the high-strength steel continuous casting billet enters a roughing mill for rolling and cooling to 300-450 ℃,
s3: cutting: cutting strip steel, namely selecting a steel coil to be cut into a required length on a cutting machine, and determining the length according to the required diameter of a transmission shaft tube product;
s4: cold rolling: cold rolling the strip steel by a rolling mill;
s5: and (5) annealing after bending and forming.
2. The method for manufacturing a driveshaft tube for an automobile according to claim 1, wherein: the steel is pickled between steps S3 and S4, and the sheared steel sequentially and continuously passes through a pickling tank, a cold water tank and a hot water tank, and is dried after being taken out of the hot water tank.
3. The method for manufacturing a driveshaft tube for an automobile according to claim 2, wherein: hydrochloric acid is used as the pickling solution.
4. The manufacturing method of a propeller shaft tube for an automobile according to claim 3, wherein: and (4) after bending and forming, polishing edges and corners, polishing the interface and the seam contact, and processing by using a polishing machine.
5. The manufacturing method of a propeller shaft tube for an automobile according to claim 4, wherein: the temperature of the hot continuous rolling mill is set to 550-650 ℃.
6. The manufacturing method of a propeller shaft tube for an automobile according to claim 5, wherein: annealing and cooling to 40 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011594772.4A CN114683011A (en) | 2020-12-29 | 2020-12-29 | Method for manufacturing automobile transmission shaft tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011594772.4A CN114683011A (en) | 2020-12-29 | 2020-12-29 | Method for manufacturing automobile transmission shaft tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114683011A true CN114683011A (en) | 2022-07-01 |
Family
ID=82133302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011594772.4A Pending CN114683011A (en) | 2020-12-29 | 2020-12-29 | Method for manufacturing automobile transmission shaft tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114683011A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009095264A1 (en) * | 2008-01-30 | 2009-08-06 | Corus Staal Bv | Method of producing a hot-rolled twip-steel and a twip-steel product produced thereby |
| CN103451519A (en) * | 2012-06-01 | 2013-12-18 | 上海梅山钢铁股份有限公司 | Cold rolling hot-dip steel with thickness greater than 1.5 mm for folding forming and production method thereof |
| CN106181261A (en) * | 2016-08-18 | 2016-12-07 | 无锡苏嘉法斯特汽车零配件有限公司 | The manufacture method of thin-wall high intensity frame tube |
| CN111235480A (en) * | 2020-03-17 | 2020-06-05 | 本钢板材股份有限公司 | A kind of preparation method of high-strength steel coil |
-
2020
- 2020-12-29 CN CN202011594772.4A patent/CN114683011A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009095264A1 (en) * | 2008-01-30 | 2009-08-06 | Corus Staal Bv | Method of producing a hot-rolled twip-steel and a twip-steel product produced thereby |
| CN103451519A (en) * | 2012-06-01 | 2013-12-18 | 上海梅山钢铁股份有限公司 | Cold rolling hot-dip steel with thickness greater than 1.5 mm for folding forming and production method thereof |
| CN106181261A (en) * | 2016-08-18 | 2016-12-07 | 无锡苏嘉法斯特汽车零配件有限公司 | The manufacture method of thin-wall high intensity frame tube |
| CN111235480A (en) * | 2020-03-17 | 2020-06-05 | 本钢板材股份有限公司 | A kind of preparation method of high-strength steel coil |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220701 |