CN106591642A - Production technology of shock absorber supporting seat - Google Patents
Production technology of shock absorber supporting seat Download PDFInfo
- Publication number
- CN106591642A CN106591642A CN201611213315.XA CN201611213315A CN106591642A CN 106591642 A CN106591642 A CN 106591642A CN 201611213315 A CN201611213315 A CN 201611213315A CN 106591642 A CN106591642 A CN 106591642A
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- CN
- China
- Prior art keywords
- production technology
- face
- workpiece
- shock absorber
- die
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/02—Alloys based on aluminium with silicon as the next major constituent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
- C22F1/043—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with silicon as the next major constituent
Abstract
The invention discloses a production technology of a shock absorber supporting seat. The production technology comprises the following steps: a, selecting materials; b, preheating; c, carrying out pressure casting; d, trimming; e, carrying out aging treatment; and f, machining. According to the production technology, AlSi10MNMg aluminium alloy material is adopted, pressure and time of pressure maintaining during the pressure casting process are strictly controlled, certain machining allowance is reserved at the end face of spin rivet, aging treatment is carried out after die-cast formation to enhance hardness, and the reserved machining allowance is removed through machining to ensure machining precision and remove the section without being formed compactly on the end face of spin rivet, so that the anti-fatigue performance of the supporting seat is greatly improved, and the anti-fatigue performance tests can reach 2800-3000 times; and in addition, the spin rivet crack phenomenon of a product is effectively reduced, the spin rivet crack proportion is reduced to 1%, and the product yield is greatly increased.
Description
Technical field
The present invention relates to auto parts machinery field, more particularly to a kind of production technology of shock absorber bearing seat.
Background technology
With growth in the living standard, automobile has gradually replaced motorcycle, becomes the main means of transport of people's long journey.Subtract
Shake device is one of vitals of automobile, and it is used to alleviate the impact that road surface is brought, and can rapidly absorb the shake produced when jolting
It is dynamic, make vehicle return to normally travel state.
Shock absorber bearing seat is one of vitals of damper, as shown in figure 1, for the structural representation of shock absorber bearing seat
Figure, it is mainly molded using A383 aluminum alloy materials rheo-die-casting, then, by subtracting that the material and conventional extrusion process are manufactured
Shake device fulcrum bearing, hardness is higher, although its anti-fatigue performance test can reach 600～700 times, its ductility is poor, in rotation
Easily there is cracking phenomena at rotation riveting end face 1 during riveting, cause product rejection, the ratio of its rotation riveting cracking is up to 30%；In view of
This problem, part producer makes annealing treatment after die cast to it so that rotation riveting cracking ratio is greatly reduced, and about 5%
Left and right, however, after annealing, although hardness have dropped, but because material softens so that the intensity and endurance of product
Performance is greatly reduced, and its anti-fatigue performance test can only achieve 400 times or so, thus, be badly in need of solving.
The content of the invention
It is an object of the invention to provide a kind of production technology of shock absorber bearing seat, to solve using current material and pressure
The shock absorber bearing seat anti-fatigue performance of casting process production is poor, the problem for easily occurring revolving riveting cracking phenomena.
The purpose of the present invention is to be achieved through the following technical solutions：
A kind of production technology of shock absorber bearing seat, comprises the following steps：
A, sorting：Select AlSi10MnMg aluminium alloys to be raw material, after being smelted into aluminium liquid, be placed in temperature at 660～670 DEG C
In holding furnace；
B, preheating：Mould is preheating to into 200～220 DEG C；
C, die casting：Mould matched moulds, aluminium liquid is filled under the pressure of 75～85kPa with the jet velocity of 3.7～4.1m/s
The die cavity of mould, after die cavity of the aluminium liquid full of mould, pressure is adjusted to 120～130kPa carries out pressurize, and the dwell time is
2.0～2.5s so that aluminium liquid curing molding, cools down the workpiece that die cast is taken out in die sinking after 5～7s, the workpiece of the die cast
The allowance of 0.5～0.8mm is reserved with rotation riveting end face；
D, trimming：The overlap of excision workpiece；
E, Ageing Treatment：Carry out Ageing Treatment to the workpiece after trimming, aging temp is 165～175 DEG C, the heating-up time is
1.5～2.5h, temperature retention time is 3～5h；
F, machining：Workpiece rotation riveting end face is machined out, desired size is machined to, and in the both sides of rotation riveting end face
Process chamfering.
Used as a preferred embodiment of the present invention, the AlSi10MnMg aluminium alloys are by following components group
Into：Si8%～12%, Mg0.3%～0.5%, Mn0.5%～0.7%, Ti0.1%～0.3%, Sr0.01%～0.03%,
Balance of Al.
Used as a preferred embodiment of the present invention, in step f, chamfering R that rotation riveting end face both sides process is
0.5mm。
Beneficial effects of the present invention are：A kind of production technology of shock absorber bearing seat employs the conjunction of AlSi10MnMg aluminium
Golden material, the pressure of pressurize and the time of pressurize in strict control press casting procedure, and certain allowance is reserved in rotation riveting end face,
Ageing Treatment is carried out after die cast strengthens hardness, and is removed reserved allowance by machining, it is ensured that machining accuracy
While will be molded not enough fine and close one section on rotation riveting end face and get rid of, considerably increase the anti-fatigue performance of fulcrum bearing, its
Anti-fatigue performance test can reach 2800～3000 times, at the same time, effectively reduce product rotation riveting cracking phenomena, and its rotation riveting is opened
The ratio of splitting is reduced to 1%, greatly improves the qualification rate of product.
Description of the drawings
Fig. 1 is the structural representation of shock absorber bearing seat of the present invention；
Fig. 2 is a kind of process chart of the production technology of shock absorber bearing seat of the invention.
Specific embodiment
Further illustrate technical scheme below in conjunction with the accompanying drawings and by specific embodiment.
Refer to shown in Fig. 1 and Fig. 2, Fig. 1 is the structural representation of shock absorber bearing seat of the present invention；Fig. 2 is the present invention one
The process chart of the production technology of shock absorber bearing seat is planted, and the present invention is made furtherly with reference to following specific embodiment
It is bright.
Embodiment 1
In the present embodiment, a kind of production technology of shock absorber bearing seat is comprised the following steps：
A, sorting：Select AlSi10MnMg aluminium alloys to be raw material, after being smelted into aluminium liquid, be placed in insulation of the temperature at 660 DEG C
In stove, wherein, the AlSi10MnMg aluminium alloys are composed of the following components：Si8%, Mg0.3%,
Mn0.5%, Ti0.1%, Sr0.01%, balance of Al；
B, preheating：Mould is preheating to into 200 DEG C；
C, die casting：Mould matched moulds, aluminium liquid is filled into the type of mould under the pressure of 75kPa with the jet velocity of 3.7m/s
Chamber, after die cavity of the aluminium liquid full of mould, pressure is adjusted to 120kPa carries out pressurize, and the dwell time is 2.5s so that aluminium liquid
Curing molding, cools down the workpiece that die cast is taken out in die sinking after 5s, and the workpiece of the die cast is reserved with rotation riveting end face 1
The allowance of 0.5mm；
D, trimming：The overlap of excision workpiece；
E, Ageing Treatment：Ageing Treatment is carried out to the workpiece after trimming, aging temp is 165 DEG C, and the heating-up time is 1.5h,
Temperature retention time is 3h；
F, machining：Workpiece rotation riveting end face 1 is machined out, desired size is machined to, and the two of rotation riveting end face 1
Side processes chamfering, and chamfering R is 0.5mm.
Embodiment 2
In the present embodiment, in the present embodiment, a kind of production technology of shock absorber bearing seat is comprised the following steps：
A, sorting：Select AlSi10MnMg aluminium alloys to be raw material, after being smelted into aluminium liquid, be placed in insulation of the temperature at 670 DEG C
In stove, wherein, the AlSi10MnMg aluminium alloys are composed of the following components：Si12%, Mg0.5%,
Mn0.7%, Ti0.3%, Sr0.03%, balance of Al；
B, preheating：Mould is preheating to into 220 DEG C；
C, die casting：Mould matched moulds, aluminium liquid is filled into the type of mould under the pressure of 85kPa with the jet velocity of 4.1m/s
Chamber, after die cavity of the aluminium liquid full of mould, pressure is adjusted to 130kPa carries out pressurize, and the dwell time is 2.0s so that aluminium liquid
Curing molding, cools down the workpiece that die cast is taken out in die sinking after 7s, and the workpiece of the die cast is reserved with rotation riveting end face 1
The allowance of 0.8mm；
D, trimming：The overlap of excision workpiece；
E, Ageing Treatment：Ageing Treatment is carried out to the workpiece after trimming, aging temp is 175 DEG C, and the heating-up time is 2.5h,
Temperature retention time is 5h；
F, machining：Workpiece rotation riveting end face 1 is machined out, desired size is machined to, and the two of rotation riveting end face 1
Side processes chamfering, and chamfering R is 0.5mm.
Embodiment 3
In the present embodiment, a kind of production technology of shock absorber bearing seat is comprised the following steps：
A, sorting：Select AlSi10MnMg aluminium alloys to be raw material, after being smelted into aluminium liquid, be placed in insulation of the temperature at 665 DEG C
In stove, wherein, the AlSi10MnMg aluminium alloys are composed of the following components：Si10%, Mg0.4%,
Mn0.6%, Ti0.2%, Sr0.02%, balance of Al；
B, preheating：Mould is preheating to into 210 DEG C；
C, die casting：Mould matched moulds, aluminium liquid is filled into the type of mould under the pressure of 80kPa with the jet velocity of 4.0m/s
Chamber, after die cavity of the aluminium liquid full of mould, pressure is adjusted to 125kPa carries out pressurize, and the dwell time is 2.2s so that aluminium liquid
Curing molding, cools down the workpiece that die cast is taken out in die sinking after 6s, and the workpiece of the die cast is reserved with rotation riveting end face 1
The allowance of 0.6mm；
D, trimming：The overlap of excision workpiece；
E, Ageing Treatment：Ageing Treatment is carried out to the workpiece after trimming, aging temp is 170 DEG C, and the heating-up time is 2h, is protected
The warm time is 4h；
F, machining：Workpiece rotation riveting end face 1 is machined out, desired size is machined to, and the two of rotation riveting end face 1
Side processes chamfering, and chamfering R is 0.5mm.
Above example simply elaborates the general principle and characteristic of the present invention, and the present invention is not limited by above-described embodiment,
Without departing from the spirit and scope of the present invention, the present invention also has various change and change, and these changes and change all fall
Enter in scope of the claimed invention.The claimed scope of the invention is defined by the following claims.
Claims (3)
1. a kind of production technology of shock absorber bearing seat, it is characterised in that：Comprise the following steps：
A, sorting：Select AlSi10MnMg aluminium alloys to be raw material, after being smelted into aluminium liquid, be placed in insulation of the temperature at 660～670 DEG C
In stove；
B, preheating：Mould is preheating to into 200～220 DEG C；
C, die casting：Mould matched moulds, aluminium liquid is filled into mould under the pressure of 75～85kPa with the jet velocity of 3.7～4.1m/s
Die cavity, after die cavity of the aluminium liquid full of mould, pressure is adjusted to 120～130kPa carries out pressurize, the dwell time is 2.0～
2.5s so that aluminium liquid curing molding, cools down the workpiece that die cast is taken out in die sinking after 5～7s, and the workpiece of the die cast is in rotation
The allowance of 0.5～0.8mm is reserved with riveting end face；
D, trimming：The overlap of excision workpiece；
E, Ageing Treatment：Ageing Treatment is carried out to the workpiece after trimming, aging temp is 165～175 DEG C, and the heating-up time is 1.5
～2.5h, temperature retention time is 3～5h；
F, machining：Workpiece rotation riveting end face is machined out, desired size is machined to, and in the both sides processing of rotation riveting end face
Go out chamfering.
2. the production technology of a kind of shock absorber bearing seat according to claim 1, it is characterised in that：The AlSi10MnMg
Aluminium alloy is composed of the following components：Si8%～12%, Mg0.3%～0.5%, Mn0.5%～0.7%,
Ti0.1%～0.3%, Sr0.01%～0.03%, balance of Al.
3. the production technology of a kind of shock absorber bearing seat according to claim 1, it is characterised in that：In step f, rotation
Chamfering R that riveting end face both sides process is 0.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611213315.XA CN106591642B (en) | 2016-12-23 | 2016-12-23 | A kind of production technology of shock absorber bearing seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611213315.XA CN106591642B (en) | 2016-12-23 | 2016-12-23 | A kind of production technology of shock absorber bearing seat |
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| CN106591642A true CN106591642A (en) | 2017-04-26 |
| CN106591642B CN106591642B (en) | 2019-01-01 |
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Family Applications (1)
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| CN201611213315.XA Active CN106591642B (en) | 2016-12-23 | 2016-12-23 | A kind of production technology of shock absorber bearing seat |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107217179A (en) * | 2017-05-31 | 2017-09-29 | 中信戴卡股份有限公司 | A kind of aluminum alloy materials, preparation method and use |
| CN107739925A (en) * | 2017-09-22 | 2018-02-27 | 江苏亚太航空科技有限公司 | A kind of high-strength high-elongation ratio automobile absorber aluminum alloy production process |
| CN107828999A (en) * | 2017-12-18 | 2018-03-23 | 广州致远新材料科技有限公司 | The heat treatment method and die-cast aluminum alloy material of a kind of pack alloy |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1951605A (en) * | 2006-11-16 | 2007-04-25 | 上海交通大学 | Extrusion casting preparation method for aluminium alloy automobile engine bracket |
| CN104561690A (en) * | 2015-01-26 | 2015-04-29 | 上海交通大学 | High-plasticity cast aluminum alloy and extrusion casting preparation method thereof |
| CN104878258A (en) * | 2015-05-20 | 2015-09-02 | 柳州市百田机械有限公司 | Preparation method of high-strength die casting aluminium alloy |
| CN105112736A (en) * | 2015-09-07 | 2015-12-02 | 苏州凯宥电子科技有限公司 | Die-cast aluminum alloy and preparing method thereof |
| CN105401011A (en) * | 2015-12-18 | 2016-03-16 | 百色学院 | Die-casting aluminum alloy used for automobile panel material and production method thereof |
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2016
- 2016-12-23 CN CN201611213315.XA patent/CN106591642B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1951605A (en) * | 2006-11-16 | 2007-04-25 | 上海交通大学 | Extrusion casting preparation method for aluminium alloy automobile engine bracket |
| CN104561690A (en) * | 2015-01-26 | 2015-04-29 | 上海交通大学 | High-plasticity cast aluminum alloy and extrusion casting preparation method thereof |
| CN104878258A (en) * | 2015-05-20 | 2015-09-02 | 柳州市百田机械有限公司 | Preparation method of high-strength die casting aluminium alloy |
| CN105112736A (en) * | 2015-09-07 | 2015-12-02 | 苏州凯宥电子科技有限公司 | Die-cast aluminum alloy and preparing method thereof |
| CN105401011A (en) * | 2015-12-18 | 2016-03-16 | 百色学院 | Die-casting aluminum alloy used for automobile panel material and production method thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107217179A (en) * | 2017-05-31 | 2017-09-29 | 中信戴卡股份有限公司 | A kind of aluminum alloy materials, preparation method and use |
| CN107217179B (en) * | 2017-05-31 | 2019-03-19 | 中信戴卡股份有限公司 | A kind of aluminum alloy materials, preparation method and use |
| CN107739925A (en) * | 2017-09-22 | 2018-02-27 | 江苏亚太航空科技有限公司 | A kind of high-strength high-elongation ratio automobile absorber aluminum alloy production process |
| CN107828999A (en) * | 2017-12-18 | 2018-03-23 | 广州致远新材料科技有限公司 | The heat treatment method and die-cast aluminum alloy material of a kind of pack alloy |
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|---|---|
| CN106591642B (en) | 2019-01-01 |
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