CN102152721B - Magnesium alloy automobile steering control arm - Google Patents
Magnesium alloy automobile steering control arm Download PDFInfo
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- CN102152721B CN102152721B CN2011100707127A CN201110070712A CN102152721B CN 102152721 B CN102152721 B CN 102152721B CN 2011100707127 A CN2011100707127 A CN 2011100707127A CN 201110070712 A CN201110070712 A CN 201110070712A CN 102152721 B CN102152721 B CN 102152721B
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- control arm
- support arm
- magnesium alloy
- arm
- arm body
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Abstract
The invention discloses a magnesium alloy automobile steering control arm which comprises a control arm body with a first support arm, a second support arm and a middle part, wherein the end tail positions of the first support arm and the second support arm are respectively provided with a concentric cylinder; the middle part is provided with a through hole; both sides of the inner edge and both sides at the positions of the first support arm and the second support arm on the outer edge of a control arm body are provided with bulges vertical to the body; the edge at which the bulges of the control arm body are positioned is also provided with an outwards convex reinforcing rib; and the control arm is made of the AM series or the AZ series of magnesium alloy materials by a composite forming process of casting, heating and finish forging forming in one step. The magnesium alloy automobile steering control arm has short process flow. The production efficiency is improved. The production cost is reduced. Meanwhile, on the basis of ensuring the performance intensity, the weight of the control arm is reduced and the requirement of a vehicle on light weight is met. The long-term contribution is created for reducing the energy consumption and protecting the environment.
Description
Technical field
The present invention relates to a kind of car chassis part, the last steering control arm in especially a kind of car front suspension.
Background technology
The motor turning Control arm is to be used to connect the member between spindle and the automobile front axle, is used for carry-over moment and makes Vehicular turn to front axle.Steering control arm on the automobile in present a kind of bridge car front suspension; Its structure is to comprise that an integral body is the Control arm body of U type; The Control arm body has one first support arm and second support arm; And be connected the centre portion between first support arm and second support arm; The end terminal of first support arm and second support arm respectively has a concentric drums that is used to be connected automobile front-axle, and the concentric drums axis is parallel to Control arm body two sides, on centre portion, also has a through hole that is used to connect steering swivel; The axis out of plumb of the concentric drums of the through hole of said centre portion and first support arm and second support arm; Its axis angle is 75 ~ 85 °, and the both sides that are positioned at first support arm and the second support arm place on the both sides of the Control arm body inner edge of said U type and the outside are provided with the convexity perpendicular to body.This Control arm generally adopts the aluminum alloy materials manufacturing, and for simple Forging Technology makes, quality is unfavorable for loss of weight more than 0.8KG.So the Control arm of aluminum alloy materials production exists quality big, the defective that difficulty of processing is big, individual labor intensity is big.
Magnesium is the lightest present metallic material, has wide material sources, good damping shock absorption performance; In light weight, strength-to-density ratio and stiffness-to-density ratio are high, and have good machinability, dimensional stability; Be prone to characteristics such as recovery, be considered to the green structural materials of tool application prospect of 21 century.Magnesium alloy and aluminum alloy weight with volume are much lower, but corresponding strength of material also is lower than aluminum alloy.
So the applicant expects; If can develop a kind of motor turning Control arm of magnesium alloy materials; Simultaneously on the structure of Control arm and technology, improve the requirement that makes its intensity can reach Al-alloy products, then can on the basis of assurance motor turning Control arm performance requriements, reach the purpose of expendable weight; And then reduce the Control arm difficulty of processing, also help vehicle design more.
Summary of the invention
Not enough to above-mentioned prior art; The technical matters that the present invention will solve is: overcome above-mentioned employing aluminum alloy materials production control arm and exist quality big; Difficulty of processing is big; Individual labor intensity is big, is unfavorable for the defective of vehicle loss of weight, the magnesium alloy Control arm that the quality that provides a kind of in-use performance that satisfies Control arm to require is littler.
In order to solve the problems of the technologies described above, adopted following technical scheme among the present invention:
A kind of magnesium alloy auto steering control arm; Comprise that an integral body is the Control arm body of U type; The Control arm body has one first support arm and second support arm, and is connected the centre portion between first support arm and second support arm, and the end terminal of first support arm and second support arm respectively has a concentric drums that is used to be connected automobile front-axle; The concentric drums axis is parallel to Control arm body two sides, on centre portion, also has a through hole that is used to connect steering swivel; The axis out of plumb of the concentric drums of the through hole of said centre portion and first support arm and second support arm; Its axis angle is 75 ~ 85 °; The both sides that are positioned at first support arm and the second support arm place on the both sides of the Control arm body inner edge of said U type and the outside are provided with the convexity perpendicular to body; Said hill height strengthens to the concentric drums position from middle part position gradually, and its characteristics are, also are provided with cambered outwards reinforced rib on the limit at the said protruding place of said Control arm body; Said Control arm adopts the magnesium alloy materials of AM series or AZ series, and the combined forming process that is shaped through one-step casting---heating---finish-forging makes.Wherein, The thickness of said reinforced rib is 6mm; Width is 2-4mm, and the thickness of the above protruding position of Control arm body is 20-21mm, and the groove thickness between the above convexity of Control arm body is 9mm; Place, the outside of through hole position thickness is 10mm on the said Control arm body, and the thickness of said through hole is 16mm.Wherein, Said combined forming process specifically refers on the die-cast machine of 500～800T to make through die casting (perhaps squeeze casting) strand once-forming in mold cavity of Control arm body; In 350～400 ℃ of fully enclosed heating furnaces, be incubated 18-25 minute then, on 300T～500T hydraulic compressor, strand once forged the whole drip molding that obtains final satisfactory magnesium alloy auto Control arm in the finish-forging mould again.
Advantage of the present invention is:
The technological process of magnesium alloy auto Control arm of the present invention is short, has improved production efficiency; Difficulty of processing is little, has reduced labor strength, has reduced productive costs; On the guaranteed performance intensity based, alleviated simultaneously the weight of Control arm, satisfied the automobile lightweight requirements, made long-range contribution for reducing energy resource consumption and environmental protection.
According to statistics, the every minimizing 10% of automotive dead weight, oil consumption can reduce 5.5%, and fuel efficiency can improve 3%-5%, reduces discharging about 10% simultaneously.So, reducing environmental pollution to energy savings, the present invention all has practical significance.
Description of drawings
Fig. 1 is that the axle of magnesium alloy auto Control arm of the present invention is surveyed scheme drawing;
Fig. 2 is the front view (Fig. 2 with respect to Fig. 1 for overlooking direction) of magnesium alloy auto Control arm of the present invention;
Fig. 3 is the A-A line generalized section of Fig. 2;
Fig. 4 is the B-B line generalized section of Fig. 2;
Fig. 5 is the birds-eye view of Fig. 2.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment structure of the present invention is done further to specify.
During practical implementation, this magnesium alloy auto steering control arm is particularly suitable for being applied to the upper suspension arm of car front suspension.
Extremely shown in Figure 5 like Fig. 1; A kind of magnesium alloy auto steering control arm; Its structure does, comprises that an integral body is the Control arm body 1 of U type, and Control arm body 1 has one first support arm and second support arm; And be connected the centre portion between first support arm and second support arm; The end terminal of first support arm and second support arm respectively has a concentric drums 2 that is used to be connected automobile front-axle, and concentric drums 2 axis are parallel to Control arm body two sides, on centre portion, also has a through hole 3 that is used to connect steering swivel; The axis out of plumb of the concentric drums 2 of the through hole 3 of said centre portion and first support arm and second support arm; Its axis angle is 75 ~ 85 °, and the both sides that are positioned at first support arm and the second support arm place on the both sides of Control arm body 1 inner edge of said U type and the outside are provided with the convexity 4 perpendicular to body, and said protruding 4 height strengthen to concentric drums 2 positions from middle part position gradually; Wherein, Also be provided with cambered outwards reinforced rib 5 on the limit at said protruding 4 places of said Control arm body, the thickness of said reinforced rib 5 is 6mm, and width is 2-4mm; The thickness of Control arm body 1 the above protruding 4 position is 20-21mm; Groove 6 thickness between the above convexity of Control arm body are 9mm, and to locate 7 thickness be 10mm in the outside of through hole 3 positions on the said Control arm body, and the thickness of said through hole 3 is 16mm; Said Control arm adopts the magnesium alloy materials of AM series or AZ series, and the combined forming process that is shaped through one-step casting---heating---finish-forging makes.Wherein, Said combined forming process specifically refers on the die-cast machine of 500～800T to make through die casting (perhaps squeeze casting) strand once-forming in mold cavity of Control arm body; In 350～400 ℃ of fully enclosed heating furnaces, be incubated 18-25 minute then, on 300T～500T hydraulic compressor, strand once forged the whole drip molding that obtains final satisfactory magnesium alloy auto Control arm in the finish-forging mould again.
Motor turning Control arm of the present invention is though what adopt is magnesium alloy materials, owing to its structure is improved; Be provided with reinforced rib; The data parameters of thickness is everywhere adjusted, simultaneously technology is improved, be shaped through finish-forging; Not only can satisfy the requirement that it uses standard so finally obtain the performance of steering control arm, the performance level that can surpass traditional aluminum alloy steering control arm is set.
In order to verify the performance of motor turning Control arm of the present invention; The applicant tests, and adopts the said traditional aluminum alloy steering control arm of magnesium alloy auto steering control arm of the present invention and background technology to compare; Test its strength at repeated alternation performance; During test, first support arm of Control arm and two concentric drums at the second support arm two ends are fixed on the test cell base through an axis, make centre portion straight up; And adopt anchor fitting to be fixed on the pneumatics through the through hole of centre portion; Pneumatics applies a horizontal impulsive force for the centre portion compartment of terrain through anchor fitting, makes its impulsive torque that produces a simulation practical working situation, the impact number of times when fracture by fatigue appears in test.Concrete testing standard is according to the military service Performance Detection standard of General Motors Overseas Corporation about automobile upper suspension arm service condition defined.Test result is following:
Can find out from test result, magnesium alloy steering control arm of the present invention, its fatigue is impacted number of times even has been surmounted traditional aluminum alloy steering control arm, not only satisfies the general requirement of motor turning Control arm performance, and wants many raisings.So the present invention has reached when reducing quality, the purpose of enhancing product performance.
Claims (2)
1. magnesium alloy auto steering control arm; Comprise that an integral body is the Control arm body of U type; The Control arm body has one first support arm and second support arm, and is connected the centre portion between first support arm and second support arm, and the end terminal of first support arm and second support arm respectively has a concentric drums that is used to be connected automobile front-axle; The concentric drums axis is parallel to Control arm body two sides, on centre portion, also has a through hole that is used to connect steering swivel; The axis out of plumb of the concentric drums of the through hole of said centre portion and first support arm and second support arm; Its axis angle is 75 ~ 85 °; The both sides that are positioned at first support arm and the second support arm place on the both sides of the Control arm body inner edge of said U type and the outside are provided with the convexity perpendicular to body; Said hill height strengthens to the concentric drums position from middle part position gradually; It is characterized in that; Also be provided with cambered outwards reinforced rib on the limit at the said protruding place of said Control arm body, said Control arm adopts the magnesium alloy materials of AM series or AZ series, and the combined forming process that is shaped through one-step casting---heating---finish-forging makes; The combined forming process that said one-step casting---heating---finish-forging is shaped; Be meant on the die-cast machine of 500～800T the strand once-forming in mold cavity that makes the Control arm body through die casting or squeeze casting, insulation 18-25 minute in 350～400 ℃ of fully enclosed heating furnaces is then once being forged the whole drip molding that obtains final satisfactory magnesium alloy auto Control arm with strand on 300～500T hydraulic compressor again in the finish-forging mould.
2. magnesium alloy auto steering control arm as claimed in claim 1; It is characterized in that the thickness of said reinforced rib is 6mm, width is 2-4mm; The thickness of the above protruding position of Control arm body is 20-21mm; Groove thickness between the above convexity of Control arm body is 9mm, and place, the outside of through hole position thickness is 10mm on the said Control arm body, and the thickness of said through hole is 16mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100707127A CN102152721B (en) | 2011-03-23 | 2011-03-23 | Magnesium alloy automobile steering control arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100707127A CN102152721B (en) | 2011-03-23 | 2011-03-23 | Magnesium alloy automobile steering control arm |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102152721A CN102152721A (en) | 2011-08-17 |
| CN102152721B true CN102152721B (en) | 2012-08-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100707127A Expired - Fee Related CN102152721B (en) | 2011-03-23 | 2011-03-23 | Magnesium alloy automobile steering control arm |
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| Country | Link |
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| CN (1) | CN102152721B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102825208B (en) * | 2012-08-31 | 2015-04-29 | 芜湖禾田汽车工业有限公司 | Forging and forming process of aluminum alloy car control arm |
| FR2997902B1 (en) * | 2012-11-09 | 2014-10-31 | Peugeot Citroen Automobiles Sa | ARM FOR SUSPENSION OF A WHEEL TO THE BODY OF A MOTOR VEHICLE |
| CN104308120B (en) * | 2014-11-18 | 2017-01-25 | 吉林金城铸锻有限责任公司 | Method for manufacturing automobile control arm body blank |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5163603A (en) * | 1992-03-11 | 1992-11-17 | Masco Industries, Inc. | Process of manufacturing hollow triangular upper control arm |
| EP1232029B1 (en) * | 1999-11-03 | 2006-06-28 | Raufoss Technology AS | Control arm and method for manufacturing |
| CN101239562A (en) * | 2007-02-09 | 2008-08-13 | 江苏凯特汽车部件有限公司 | Light weight method of low pressure casting aluminum alloy automobile wheel |
| CN101579818B (en) * | 2009-06-11 | 2010-10-13 | 马鸣图 | Manufacturing method for aluminium alloy automobile hub with high performance and big size |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005004917B4 (en) * | 2005-02-02 | 2013-02-28 | Benteler Automobiltechnik Gmbh | Handlebar component for wheel suspensions of motor vehicles and method for its production |
-
2011
- 2011-03-23 CN CN2011100707127A patent/CN102152721B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5163603A (en) * | 1992-03-11 | 1992-11-17 | Masco Industries, Inc. | Process of manufacturing hollow triangular upper control arm |
| EP1232029B1 (en) * | 1999-11-03 | 2006-06-28 | Raufoss Technology AS | Control arm and method for manufacturing |
| CN101239562A (en) * | 2007-02-09 | 2008-08-13 | 江苏凯特汽车部件有限公司 | Light weight method of low pressure casting aluminum alloy automobile wheel |
| CN101579818B (en) * | 2009-06-11 | 2010-10-13 | 马鸣图 | Manufacturing method for aluminium alloy automobile hub with high performance and big size |
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| Publication number | Publication date |
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| CN102152721A (en) | 2011-08-17 |
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Granted publication date: 20120801 |