CN104384852A - Method for machining hub shaft tube - Google Patents
Method for machining hub shaft tube Download PDFInfo
- Publication number
- CN104384852A CN104384852A CN201410544961.9A CN201410544961A CN104384852A CN 104384852 A CN104384852 A CN 104384852A CN 201410544961 A CN201410544961 A CN 201410544961A CN 104384852 A CN104384852 A CN 104384852A
- Authority
- CN
- China
- Prior art keywords
- axle tube
- hub axle
- processing method
- machined
- shaft tube
- 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.)
- Pending
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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
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B35/00—Axle units; Parts thereof ; Arrangements for lubrication of axles
- B60B35/004—Mounting arrangements for axles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
The invention discloses a method for machining a hub shaft tube. The machining method comprises the following steps: firstly, extruding a hollow steel tube to form a hub shaft tube blank; secondly, machining the hub shaft tube blank to obtain the hub shaft tube. By adopting the machining method, the metal chipping allowance of the outer surface of the hub shaft tube can be reduced remarkably, and the material utilization ratio is effectively increased. Meanwhile, an all-fiber texture of the hub shaft tube which is distributed in the axial direction can be well kept, the metallographic structure of the hub shaft tube is stabilized, and the service life is prolonged.
Description
Technical field
The present invention relates to the processing method technical field of vehicle part, particularly, relate to a kind of processing method of hub axle tube.
Background technology
Hub axle tube is the important spare part of vehicle, and it is arranged on axle housing two ends, and semiaxis passes from hub axle tube, in the driving process of vehicle, hub axle tube not only will bear the weight of whole vehicle body and vehicle-mounted cargo, and due to the change of road conditions, also will bear the effect of complicated alternate stress.Therefore, require that hub axle tube will have the metal streamline distributed vertically, fine and close metal structure and high anti-fatigue life.
In prior art, hub axle tube is processed by following two kinds of methods usually, and particularly, first method is adopt traditional hot forging method solid blanks to be forged, and then carries out machined.But the hub axle tube that this processing method forges is solid blanks, make the surfaces externally and internally allowance of hub axle tube huge, material is underutilized, waste is serious, and machined is destroyed causing the metallic fiber of hub axle tube, affects its performance.
Second method is heated parts, and adopts forcing press to carry out die mould, shaping and punching to it, by compressing for the workpiece complete hollow hub axle tube blank for having the Whole fiber tissue distributed vertically.Although this method compares the allowance that first method correspondingly reduces hub axle tube inner surface, its mach surplus is still huge, and a large amount of surface metal cuttings will cause material fiber to be destroyed, and still affect the mechanical performance of hub axle tube.
Summary of the invention
The object of this invention is to provide a kind of processing method of hub axle tube, this processing method can reduce the metal cutting surplus of hub axle tube outer surface in pole significantly, effectively improve the utilization rate of material, simultaneously, this processing method also can keep the Whole fiber tissue distributed vertically of hub axle tube well, the metallographic structure of hub axle tube is stablized, to improve service life.
To achieve these goals, the invention provides a kind of processing method of hub axle tube, this processing method comprises: the first, carries out extruding to form hub axle tube blank to hollow steel pipe; The second, machined is carried out to obtain described hub axle tube to described hub axle tube blank.
Pass through technique scheme, because raw material adopts hollow steel pipe, hub axle tube blank is obtained to hollow steel pipe extruding, hub axle tube is obtained to the machined of hub axle tube blank, therefore, only can carry out machining to the outer surface of blank, and inner surface is without the need to processing, thus the metal cutting surplus of hub axle tube outer surface can be reduced significantly in pole, effectively improve the utilization rate of material, further, on the basis of a small amount of metal cutting, the Whole fiber tissue distributed vertically of hub axle tube can be kept well, the metallographic structure of hub axle tube is stablized, to improve service life.
Preferably, described extruding comprises and carries out extruding preform and extrusion molding successively to described hollow steel pipe.
Preferably, described machined comprises preliminary machined, and this preliminary machined comprises: carry out machining to the outer surface of described hub axle tube blank; Boss is processed in the large end end of the endoporus of described hub axle tube blank.
Preferably, described machined also comprises: carry out fine finishining to the hub axle tube after described preliminary machined.
Preferably, after described processing method is also included in described first step, before described second step, described hub axle tube blank is heat-treated.
Preferably, described heat treatment is modifier treatment.
Preferably, described extruding is cold extrusion.
Other features and advantages of the present invention are described in detail in detailed description of the invention part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for description, is used from explanation the present invention, but is not construed as limiting the invention with detailed description of the invention one below.In the accompanying drawings:
Fig. 1 is the structural representation of the hollow steel pipe used in the processing method of the specific embodiment of the invention;
Fig. 2 is the structural representation of the hub axle tube blank formed after the hollow steel pipe extrusion molding in Fig. 1;
Fig. 3 is the structural representation of the hub axle tube formed after the hub axle tube blank machined in Fig. 2;
Fig. 4 is the schematic flow sheet of the processing method of the hub axle tube of the specific embodiment of the invention.
Description of reference numerals
1-hollow steel pipe, 2-hub axle tube blank, 3-cutting lay, 4-hub axle tube, 5-boss.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.Should be understood that, detailed description of the invention described herein, only for instruction and explanation of the present invention, is not limited to the present invention.
As Figure 1-4, the processing method of the hub axle tube that the specific embodiment of the invention provides comprises: the first, carries out extruding to form hub axle tube blank 2 to hollow steel pipe 1; The second, machined is carried out to obtain hub axle tube 4 to hub axle tube blank 2.
Like this, because the raw material processing hub axle tube adopts hollow steel pipe, hub axle tube blank is obtained to hollow steel pipe extruding, then hub axle tube is obtained to the machined of hub axle tube blank, therefore, only can carry out machining to the outer surface of blank, to excise unnecessary cutting lay 3, and inner surface is without the need to processing, thus the metal cutting surplus of hub axle tube outer surface can be reduced significantly in pole, effectively improve the utilization rate of material, the utilization rate of material such as can be made to reach more than 98%, further, on the basis of a small amount of metal cutting, the Whole fiber tissue distributed vertically of hub axle tube can be kept well, the metallographic structure of hub axle tube is stablized, to improve service life.In addition, owing to adopting hollow steel pipe, the form and position tolerance accuracy classes such as the axiality of the surfaces externally and internally of the hub axle tube adopting this processing method to obtain and circularity are high, to meet required demand.
Particularly, by reference to the accompanying drawings, in the blanking stage, hollow steel pipe 1 can be arranged in pressurizing unit or mould, then extruding be carried out to form hub axle tube blank 2 to hollow steel pipe 1, preferably, in order to avoid destroying the metallic fiber of hollow steel pipe 1, described extruding comprises carries out extruding preform and extrusion molding successively to described hollow steel pipe, namely, first hollow steel pipe 1 carries out extruding preform to a certain degree, and then carries out extrusion molding to form hub axle tube blank.
And in the mach step of hub axle tube blank, described machined comprises preliminary machined, this preliminary machined comprises: carry out machining to the outer surface of described hub axle tube blank; Boss is processed in the large end end of the endoporus of described hub axle tube blank.Namely, first can carry out preliminary machined to hub axle tube blank 2, machine away by the cutting lay 3 on the outer surface of hub axle tube blank 2, and form boss 5 in the large end end of the endoporus of hub axle tube blank 2, thus the hub axle tube 4 that the semi-finished product of formation hub axle tube or formation outer surface roughness satisfy the demands.
Further, in order to improve the surface roughness of hub axle tube 4, preferably, described machined also comprises and carries out fine finishining to the hub axle tube after described preliminary machined.Such as, after preliminary machined, fine finishining is carried out to the outer surface of hub axle tube 4, meet specific demand to make its surface roughness.
In addition, in order to improve the performance of hub axle tube further, preferably, as shown in Figure 4, after this processing method is also included in described first step, before described second step, hub axle tube blank 2 is heat-treated.By this heat treatment, the comprehensive mechanical performance such as intensity, hardness of hub axle tube effectively can be improved.
Further, described heat treatment is modifier treatment.
In addition, preferably, described extruding is cold extrusion, namely carries out cold extrusion preform and cold-extrusion shaping to hollow steel pipe.
Certainly, according to the actual requirements, described extruding also can be Warm Extrusion.
Below in conjunction with accompanying drawing 4 describe in detail of the present invention one preferred embodiment.
First, in the blanking stage, adopt hollow steel pipe, and successively cold extrusion preform and cold-extrusion shaping are carried out to hollow steel pipe, obtain hub axle tube blank, then hub axle tube blank is heat-treated, such as carry out modifier treatment, to improve the comprehensive mechanical performances such as the hardness of hub axle tube blank, subsequently preliminary machined is carried out to hub axle tube blank, machine away the cutting lay of hub axle tube blank outer surface, and process boss in the large end end of hub axle tube blanking inner hole, finally carry out fine finishining again, to improve the roughness of the outer surface of hub axle tube further, thus obtain the hub axle tube of finished product.
Below the preferred embodiment of the present invention is described in detail by reference to the accompanying drawings; but; the present invention is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present invention; can carry out multiple simple change to technical scheme of the present invention, these simple changes all belong to protection scope of the present invention.
It should be noted that in addition, each the concrete technical characteristic described in above-mentioned detailed description of the invention, in reconcilable situation, can be combined by any suitable mode.In order to avoid unnecessary repetition, the present invention illustrates no longer separately to various possible combination.
In addition, also can be combined between various different embodiment of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (7)
1. a processing method for hub axle tube, is characterized in that, this processing method comprises:
The first, extruding is carried out to form hub axle tube blank to hollow steel pipe;
The second, machined is carried out to obtain described hub axle tube to described hub axle tube blank.
2. processing method according to claim 1, is characterized in that, described extruding comprises carries out extruding preform and extrusion molding successively to described hollow steel pipe.
3. processing method according to claim 1, is characterized in that, described machined comprises preliminary machined, and this preliminary machined comprises:
Machining is carried out to the outer surface of described hub axle tube blank;
Boss is processed in the large end end of the endoporus of described hub axle tube blank.
4. processing method according to claim 3, is characterized in that, described machined also comprises: carry out fine finishining to the hub axle tube after described preliminary machined.
5. processing method according to claim 1, is characterized in that, heat-treats after being also included in described first step, before described second step to described hub axle tube blank.
6. processing method according to claim 5, is characterized in that, described heat treatment is modifier treatment.
7. processing method according to any one of claim 1 to 6, is characterized in that, described extruding is cold extrusion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410544961.9A CN104384852A (en) | 2014-10-15 | 2014-10-15 | Method for machining hub shaft tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410544961.9A CN104384852A (en) | 2014-10-15 | 2014-10-15 | Method for machining hub shaft tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104384852A true CN104384852A (en) | 2015-03-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410544961.9A Pending CN104384852A (en) | 2014-10-15 | 2014-10-15 | Method for machining hub shaft tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104384852A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107626932A (en) * | 2016-07-19 | 2018-01-26 | 舍弗勒技术股份两合公司 | The manufacturing method of wheel hub of clutch driven plate |
| CN111069853A (en) * | 2019-12-19 | 2020-04-28 | 倪景宁 | Machining method of one-way belt pulley mandrel |
| CN113175474A (en) * | 2021-03-24 | 2021-07-27 | 江苏建鑫机械制造有限公司 | Automobile hub mandrel and manufacturing method thereof |
| CN114178801A (en) * | 2021-12-10 | 2022-03-15 | 浙江欧迪恩传动科技股份有限公司 | Cold shrinkage diameter die and process for machining universal joint spline shaft by using same |
Citations (6)
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| JP3558501B2 (en) * | 1997-08-08 | 2004-08-25 | 本田技研工業株式会社 | Manufacturing method of bossed drum |
| CN2702114Y (en) * | 2004-04-29 | 2005-05-25 | 上海交运汽车动力系统有限公司 | Clutch shaft |
| CN1628921A (en) * | 2003-12-26 | 2005-06-22 | 李克敏 | All fiber forging process for load-carrying vehicle hub axle and die therefor |
| CN202129400U (en) * | 2011-06-07 | 2012-02-01 | 襄阳丰正汽车配件制造有限公司 | Forming die for shaft tube of automobile hub |
| CN103143894A (en) * | 2013-03-13 | 2013-06-12 | 张家港海陆重型锻压有限公司 | Manufacturing method of variable cross-section pipe fitting |
| CN203110826U (en) * | 2012-12-22 | 2013-08-07 | 青特集团有限公司 | Novel flanged joint type wheel hub axle tube |
-
2014
- 2014-10-15 CN CN201410544961.9A patent/CN104384852A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3558501B2 (en) * | 1997-08-08 | 2004-08-25 | 本田技研工業株式会社 | Manufacturing method of bossed drum |
| CN1628921A (en) * | 2003-12-26 | 2005-06-22 | 李克敏 | All fiber forging process for load-carrying vehicle hub axle and die therefor |
| CN2702114Y (en) * | 2004-04-29 | 2005-05-25 | 上海交运汽车动力系统有限公司 | Clutch shaft |
| CN202129400U (en) * | 2011-06-07 | 2012-02-01 | 襄阳丰正汽车配件制造有限公司 | Forming die for shaft tube of automobile hub |
| CN203110826U (en) * | 2012-12-22 | 2013-08-07 | 青特集团有限公司 | Novel flanged joint type wheel hub axle tube |
| CN103143894A (en) * | 2013-03-13 | 2013-06-12 | 张家港海陆重型锻压有限公司 | Manufacturing method of variable cross-section pipe fitting |
Non-Patent Citations (2)
| Title |
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| 王国顺等: "《机械制造基础上册》", 31 October 2011, 武汉大学出版社 * |
| 程俊伟等: "管坯模锻成形轮毂轴管技术的研究", 《热加工工艺》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107626932A (en) * | 2016-07-19 | 2018-01-26 | 舍弗勒技术股份两合公司 | The manufacturing method of wheel hub of clutch driven plate |
| CN111069853A (en) * | 2019-12-19 | 2020-04-28 | 倪景宁 | Machining method of one-way belt pulley mandrel |
| CN113175474A (en) * | 2021-03-24 | 2021-07-27 | 江苏建鑫机械制造有限公司 | Automobile hub mandrel and manufacturing method thereof |
| CN114178801A (en) * | 2021-12-10 | 2022-03-15 | 浙江欧迪恩传动科技股份有限公司 | Cold shrinkage diameter die and process for machining universal joint spline shaft by using same |
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Application publication date: 20150304 |
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| RJ01 | Rejection of invention patent application after publication |