CN107639390A - A kind of manufacturing method of wheel hub - Google Patents
A kind of manufacturing method of wheel hub Download PDFInfo
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- CN107639390A CN107639390A CN201710909643.1A CN201710909643A CN107639390A CN 107639390 A CN107639390 A CN 107639390A CN 201710909643 A CN201710909643 A CN 201710909643A CN 107639390 A CN107639390 A CN 107639390A
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- wheel hub
- hub
- raw material
- cast
- detection
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Abstract
The present invention relates to a kind of manufacturing method of wheel hub, comprise the following steps:Selection raw material simultaneously load molding box, dissolve raw material, and mould prepares, and gravitational casting shaping, X-ray check, are heat-treated, machining, glitch detection, dynamic balancing detection and water leak test, sanding.The invention provides a kind of manufacturing method of wheel hub, and the comprehensive technique of standard of comparison has been formulated for wheel hub production, and technique is simple, avoids the duplication of labour, while the wheel hub quality produced is higher;In addition, molding box for loading automotive hub raw material will be by multiple detecting steps such as X-ray check, glitch detection, dynamic balancing detection, water leak tests when carrying out different technical process, be to ensure that first hub cast surface flaw detection and shrinkage cavity degree in certain mass control range, then glitch detection, dynamic balancing detection and water leak test, intensity, rigidity and the water resistance of detection hub cast finished product are passed through.
Description
Technical field
The present invention relates to auto-parts manufacturing field, and in particular to a kind of manufacturing method of wheel hub.
Background technology
Automotive hub, it is the cylindrical piece of metal for being used to support tire centered on axletree in automobile tire.It is logical
Say popularly, automotive hub is exactly positioned at the position of wheel center installation axletree, is connect brake drum, wheel disc and semiaxis important zero
Part.In automotive hub production field, its production method flow is generally:Fusing-refining-low pressure casting-heat treatment-
Machining-dynamic balancing-application.The molding box for being used to load automotive hub raw material in the prior art is carrying out different sides
During method process, lack various detection means, the capability and performance of automotive hub is difficult to ensure that.In addition, at present for automotive hub
Raw material are mostly the pig iron, iron filings and foundry returns, and wherein pig iron proportion is higher, it is necessary to consume the more pig iron so that wheel hub
Manufacturing cost is higher.
The content of the invention
The invention provides a kind of manufacturing method of wheel hub, solves the problems, such as techniques discussed above.
The scheme that the present invention solves above-mentioned technical problem is as follows:A kind of manufacturing method of wheel hub, comprises the following steps:
S1, select raw material simultaneously to load molding box, the raw material that casting hub uses for necessarily match steel material, iron filings and time
Furnace charge;
S2, raw material are dissolved, its fusing point temperatures above is heated to the wheel hub raw material in molding box;
S3, mould prepare, the wheel hub raw material in liquid are poured into mould and put back to molding box;
S4, gravitational casting shaping, the raw material in liquid obtain hub cast by Action of Gravity Field added metal casting mold;
S5, X-ray check, whether there are flaw detection, shrinkage cavity etc. to hub cast Surface testing;
S6, heat treatment, hub cast are heat-treated after X-ray check is qualified;
S7, machining, the hub cast after high-temperature heat treatment, now just has boss shape, it is necessary to further to wheel hub
The surface roughness of casting is adjusted;
S8, glitch detection, dynamic balancing detection, water leak test, detect the intensity, rigidity and water resistance of hub cast;
S9, sanding, sanding processing is carried out to the surface of hub cast, until last shaping.
The beneficial effects of the invention are as follows:The invention provides a kind of manufacturing method of wheel hub, and one has been formulated for wheel hub production
The comprehensive technique of standard of comparison, and technique is simple, avoids the duplication of labour, while the wheel hub quality produced is higher;In addition,
Will be by X-ray check, glitch detection, dynamic flat when carrying out different technical process for loading the molding boxes of automotive hub raw material
Weigh detection, multiple detecting steps such as water leak test, be to ensure that first hub cast surface flaw detection and shrinkage cavity degree in certain mass
In control range, then by glitch detection, dynamic balancing detection and water leak test, detect intensity, the rigidity of hub cast finished product with
And water resistance.
On the basis of above-mentioned technical proposal, the present invention can also do following improvement.
Further, in addition to powder is sprayed, and the surface of hub cast is carried out after sanding processing in the step S9
Powder sprays.
It is using the above-mentioned further beneficial effect of scheme:By carrying out powder spraying to the surface of hub cast so that
The surface of hub cast has certain thickness protective layer, it is not easy to is scratched.
Further, radius Road test, the test of bent power and impulse force are carried out to hub cast after powder spraying is carried out to survey
Examination.
It is using the above-mentioned further beneficial effect of scheme:By carrying out radius Road test to hub cast, bent power is surveyed
Examination and impulse force test, ensure that the load bearing ability, bending resistance and impact resistance of automotive hub.
Further, wheel hub raw material are preheated before the step S4, the wheel hub raw material in heating molding box are extremely
Preset temperature.
It is using the above-mentioned further beneficial effect of scheme:Wheel hub raw material are preheated, it is possible to increase cast through gravity
Cause the shaping speed and quality of the hub cast after type.
Further, the steel material in the step S1 is steel scrap.
It is using the above-mentioned further beneficial effect of scheme:By the way that the pig iron in wheel hub raw material in the prior art is whole
Steel scrap is replaced by, effectively carries out twice laid, greatly reduces the manufacturing cost of wheel hub.
Further, heat treatment includes higher temperature solid solution, hardening processing and low temperature aging processing in the step S6.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention,
And can be practiced according to the content of specification, described in detail below with presently preferred embodiments of the present invention as after.The tool of the present invention
Body embodiment is shown in detail by following examples.
Embodiment
It is that the principle and feature of the present invention are described below, the given examples are served only to explain the present invention, is not intended to
Limit the scope of the present invention.With reference to hereafter more specifically description is of the invention by way of example in the following passage.According to following theory
Bright and claims, advantages and features of the invention will become apparent from.
It should be noted that when component is referred to as " being fixed on " another component, it can be directly on another component
Or there may also be component placed in the middle.When a component is considered as " connection " another component, it can be directly connected to
To another component or it may be simultaneously present component placed in the middle.When a component is considered as " being arranged at " another component, it
Can be set directly on another component or may be simultaneously present component placed in the middle.Term as used herein is " vertical
", " horizontal ", "left", "right" and similar statement for illustrative purposes only.
Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to technical field of the invention
The implication that technical staff is generally understood that is identical.Term used in the description of the invention herein is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein " and/or " include one or more phases
The arbitrary and all combination of the Listed Items of pass.
The invention provides a kind of manufacturing method of wheel hub, comprise the following steps:
S1, select raw material simultaneously to load molding box, the raw material that casting hub uses for necessarily match steel material, iron filings and time
Furnace charge;
S2, raw material are dissolved, its fusing point temperatures above is heated to the wheel hub raw material in molding box;
S3, mould prepare, the wheel hub raw material in liquid are poured into mould and put back to molding box;
S4, gravitational casting shaping, the raw material in liquid obtain hub cast by Action of Gravity Field added metal casting mold;
S5, X-ray check, whether there are flaw detection, shrinkage cavity etc. to hub cast Surface testing;
S6, heat treatment, hub cast are heat-treated after X-ray check is qualified;
S7, machining, the hub cast after high-temperature heat treatment, now just has boss shape, it is necessary to further to wheel hub
The surface roughness of casting is adjusted;
S8, glitch detection, dynamic balancing detection, water leak test, detect the intensity, rigidity and water resistance of hub cast;
S9, sanding, sanding processing is carried out to the surface of hub cast, until last shaping.
A kind of manufacturing method of wheel hub is provided in above-described embodiment, it is comprehensive to have formulated a standard of comparison for wheel hub production
Technique, and technique is simple, avoids the duplication of labour, while the wheel hub quality produced is higher;In addition, for loading automotive wheels
The molding box of hub raw material will pass through X-ray check, glitch detection, dynamic balancing detection, water leak test when carrying out different technical process
Etc. multiple detecting steps, be to ensure that first hub cast surface flaw detection and shrinkage cavity degree in certain mass control range, so
Pass through glitch detection, dynamic balancing detection and water leak test, intensity, rigidity and the water resistance of detection hub cast finished product afterwards.
Preferably, in addition to powder is sprayed, and the surface of hub cast is carried out after sanding processing in the step S9
Powder sprays.By carrying out powder spraying to the surface of hub cast so that the surface of hub cast has certain thickness guarantor
Sheath, it is not easy to be scratched.
Preferably, radius Road test, the test of bent power and impulse force are carried out to hub cast after powder spraying is carried out to survey
Examination.
Tested by carrying out radius Road test, the test of bent power and impulse force to hub cast, ensure that the negative of automotive hub
Carry ability to bear, bending resistance and impact resistance.
Preferably, wheel hub raw material are preheated before the step S4, the wheel hub raw material in heating molding box are extremely
Preset temperature.
Wheel hub raw material are preheated, it is possible to increase the shaping speed and matter of the hub cast after gravitational casting is molded
Amount.
Preferably, the steel material in the step S1 is steel scrap.By the way that the pig iron in wheel hub raw material in the prior art is complete
Portion is replaced by steel scrap, effectively carries out twice laid, greatly reduces the manufacturing cost of wheel hub.
Preferably, heat treatment includes higher temperature solid solution, hardening processing and low temperature aging processing in the step S6.
The foregoing is only a preferred embodiment of the present invention, not makees any formal limitation to the present invention;It is all
The those of ordinary skill of the industry can swimmingly implement the present invention described in by specification;But all it is familiar with this professional skill
Art personnel without departing from the scope of the present invention, a little change for being made using disclosed above technology contents,
Modification and the equivalent variations developed, it is the equivalent embodiment of the present invention;Meanwhile all substantial technologicals according to the present invention are to the above
Variation, modification and evolution of any equivalent variations that embodiment is made etc., still fall within the protection model of technical scheme
Within enclosing.
Claims (6)
1. a kind of manufacturing method of wheel hub, it is characterised in that comprise the following steps:
S1, select raw material simultaneously to load molding box, the raw material that casting hub uses for necessarily match steel material, iron filings and melt down
Material;
S2, raw material are dissolved, its fusing point temperatures above is heated to the wheel hub raw material in molding box;
S3, mould prepare, the wheel hub raw material in liquid are poured into mould and put back to molding box;
S4, gravitational casting shaping, the raw material in liquid obtain hub cast by Action of Gravity Field added metal casting mold;
S5, X-ray check, whether there are flaw detection, shrinkage cavity etc. to hub cast Surface testing;
S6, heat treatment, hub cast are heat-treated after X-ray check is qualified;
S7, machining, the hub cast after high-temperature heat treatment, now just has boss shape, it is necessary to further to hub cast
Surface roughness be adjusted;
S8, glitch detection, dynamic balancing detection, water leak test, detect the intensity, rigidity and water resistance of hub cast;
S9, sanding, sanding processing is carried out to the surface of hub cast, until last shaping.
2. a kind of manufacturing method of wheel hub according to claim 1, it is characterised in that also sprayed including powder, in the step
Powder spraying is carried out to the surface of hub cast after sanding processing in S9.
3. a kind of manufacturing method of wheel hub according to claim 2, it is characterised in that cast after powder spraying is carried out to wheel hub
Part carries out radius Road test, the test of bent power and impulse force test.
4. a kind of manufacturing method of wheel hub according to claim 1, it is characterised in that to wheel hub former material before the step S4
Material is preheated, the wheel hub raw material in heating molding box to preset temperature.
5. a kind of manufacturing method of wheel hub according to claim 1, it is characterised in that the steel material in the step S1 is steel scrap.
6. a kind of manufacturing method of wheel hub according to claim 1, it is characterised in that heat treatment includes high temperature in the step S6
Solution treatment, hardening processing and low temperature aging processing.
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CN201710909643.1A CN107639390A (en) | 2017-09-29 | 2017-09-29 | A kind of manufacturing method of wheel hub |
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CN201710909643.1A CN107639390A (en) | 2017-09-29 | 2017-09-29 | A kind of manufacturing method of wheel hub |
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Citations (7)
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JPH09166156A (en) * | 1995-12-14 | 1997-06-24 | Exedy Corp | Spline hub and manufacture thereof |
US5722165A (en) * | 1995-10-27 | 1998-03-03 | Topy Kogyo Kabushiki Kaisha | Method of producing a cast wheel |
CN103223574A (en) * | 2013-04-26 | 2013-07-31 | 厦门民兴工业有限公司 | Forming method for aluminum alloy hub |
CN105522330A (en) * | 2014-09-30 | 2016-04-27 | 李可 | Machining process of aluminum alloy automobile hub |
CN105710611A (en) * | 2016-03-31 | 2016-06-29 | 杭州科技职业技术学院 | Manufacturing method of automobile hubs |
CN105983829A (en) * | 2015-01-30 | 2016-10-05 | 重庆文力机械有限公司 | Hub production method |
CN106624638A (en) * | 2016-12-09 | 2017-05-10 | 徐玉炜 | Automobile aluminum alloy hub manufacturing technology |
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2017
- 2017-09-29 CN CN201710909643.1A patent/CN107639390A/en active Pending
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US5722165A (en) * | 1995-10-27 | 1998-03-03 | Topy Kogyo Kabushiki Kaisha | Method of producing a cast wheel |
JPH09166156A (en) * | 1995-12-14 | 1997-06-24 | Exedy Corp | Spline hub and manufacture thereof |
CN103223574A (en) * | 2013-04-26 | 2013-07-31 | 厦门民兴工业有限公司 | Forming method for aluminum alloy hub |
CN105522330A (en) * | 2014-09-30 | 2016-04-27 | 李可 | Machining process of aluminum alloy automobile hub |
CN105983829A (en) * | 2015-01-30 | 2016-10-05 | 重庆文力机械有限公司 | Hub production method |
CN105710611A (en) * | 2016-03-31 | 2016-06-29 | 杭州科技职业技术学院 | Manufacturing method of automobile hubs |
CN106624638A (en) * | 2016-12-09 | 2017-05-10 | 徐玉炜 | Automobile aluminum alloy hub manufacturing technology |
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张凤山: "《广州本田雅阁轿车结构与维修》", 30 September 2001, 机械工业出版社 * |
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Application publication date: 20180130 |