CN105525238A - Die-casting post-processing method for end cover of automobile generator - Google Patents
Die-casting post-processing method for end cover of automobile generator Download PDFInfo
- Publication number
- CN105525238A CN105525238A CN201610088474.5A CN201610088474A CN105525238A CN 105525238 A CN105525238 A CN 105525238A CN 201610088474 A CN201610088474 A CN 201610088474A CN 105525238 A CN105525238 A CN 105525238A
- Authority
- CN
- China
- Prior art keywords
- die casting
- die
- end cover
- automobile generator
- post
- 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.)
- Granted
Links
- 238000004512 die casting Methods 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 title claims abstract description 45
- 238000012805 post-processing Methods 0.000 title abstract 5
- 238000005422 blasting Methods 0.000 claims abstract description 21
- 238000004806 packaging method and process Methods 0.000 claims abstract description 5
- 230000032683 aging Effects 0.000 claims description 6
- 239000003818 cinder Substances 0.000 claims description 4
- 230000007547 defect Effects 0.000 abstract description 3
- 239000008188 pellet Substances 0.000 abstract 2
- 239000012467 final product Substances 0.000 abstract 1
- 239000000047 product Substances 0.000 abstract 1
- 238000004080 punching Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 4
- 238000005266 casting Methods 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 206010027146 Melanoderma Diseases 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 229910001234 light alloy Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D31/00—Cutting-off surplus material, e.g. gates; Cleaning and working on castings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
- B24C1/08—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for polishing surfaces, e.g. smoothing a surface by making use of liquid-borne abrasives
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture Of Motors, Generators (AREA)
- General Factory Administration (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The invention discloses a die-casting post-processing method for an end cover of an automobile generator. The die-casting post-processing method comprises the following steps: (1) homogenizing; (2) punching; (3) carrying out unhairing treatment; (4) carrying out pellet blasting treatment; and (5) checking, packaging and warehousing qualified products. The die-casting post-processing method for the end cover of the automobile generator disclosed by the invention is simple and convenient to operate, and is easy to realize; by virtue of the reasonable homogenizing process and the pellet blasting treatment process, inner and surface defects of a die-casting fitting of the end cover of the automobile generator are effectively eliminated, and overall performance of the die-casting fitting is effectively improved, and therefore, the die-casting post-processing method plays an important role in determining performance of a final product of the die-casting fitting of the end cover of the automobile generator.
Description
Technical field
The present invention relates to aluminium alloys for automobile die casting preparing technical field, particularly relate to a kind of die casting post-treating method of end cover of automobile generator.
Background technology
In order to energy-saving and cost-reducing, minimizing exhaust gas emission, improve and drive comfort level and mechanics of vehicles performance, present automobile is to lightweight future development.At present the main light alloy material that adopts makes some housing type parts of automobile and the larger functional part of wall thickness in the mode of casting or Die Casting.
End cover of automobile generator comprises protecgulum and bonnet, its piece cover on automobile current generator, play anti-vibration protected, increase heat radiation and the effect such as dust-proof.But the product that the preparation method of existing end cover of automobile generator makes presents the defect in various degree such as cold shut, depression, crackle in outward appearance, occur that in inside the defect that pore, shrinkage cavity, pin hole etc. are fatal is unreasonable, have a strong impact on the use properties of product, be not suitable for the service requirements of automobile industry.
Summary of the invention
The technical problem that the present invention mainly solves is to provide a kind of die casting post-treating method of end cover of automobile generator, can solve the problems referred to above that existing extrusion process exists.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: the die casting post-treating method providing a kind of end cover of automobile generator, is characterized in that, comprise the steps:
(1) homogenize process: after die casting terminates, and the die casting taking out end cover of automobile generator after die sinking is first inserted in the first constant temperature oven and carried out the process that homogenizes, and then insert in the second constant temperature oven and carry out ageing treatment, is finally placed in air and is cooled to room temperature;
(2) die-cut: the die casting after the process that homogenizes in step (1) to be inserted on hydraulic press, puts down die-cut for the cinder ladle cast gate of die casting;
(3) unhairing process: adopt pneumatic round file to remove the burr at the cast gate of die casting, overflow well, parting line, pilot hole and inner chamber thimble print place;
(4) Shot Blasting: adopt shot-blasting machine that all surface of die casting is carried out Shot Blasting, make the surface color after ball blast even, surfacing is smooth;
(5) check, salable product packaging warehouse-in.
In a preferred embodiment of the present invention, in described step (1), the temperature of described first constant temperature oven is 480 ~ 520 DEG C, and the treatment time that homogenizes is 10 ~ 30h.
In a preferred embodiment of the present invention, in described step (1), the temperature of described second constant temperature oven is 130 ~ 150 DEG C, and aging time is 5 ~ 8h.
In a preferred embodiment of the present invention, in described step (3), the burr residual altitude after described unhairing process is 0 ~ 0.3mm.
In a preferred embodiment of the present invention, in described step (4), the bullet that described shot-blasting machine adopts is the shot of diameter 0.5mm, and ball blast processing condition are: impeller head rotating speed 5 ~ 8r/min, electric current 18 ~ 22A, ball blast time 80 ~ 150s.
The invention has the beneficial effects as follows: the die casting post-treating method of a kind of end cover of automobile generator of the present invention, easy and simple to handle, easy realization, it is by the design of reasonably homogenize process and Shot Blasting technique, effectively eliminate inside die-casting part and the surface imperfection of end cover of automobile generator, effectively improve the overall performance of die casting, the finished product performance for the die casting determining end cover of automobile generator has important effect.
Embodiment
Below preferred embodiment of the present invention is described in detail, can be easier to make advantages and features of the invention be readily appreciated by one skilled in the art, thus more explicit defining is made to protection scope of the present invention.
The embodiment of the present invention comprises:
Embodiment 1
A die casting post-treating method for end cover of automobile generator, concrete steps are as follows:
(1) homogenize process: after die casting terminates, die sinking also takes out the die casting of end cover of automobile generator, and first it being inserted rapidly temperature is be incubated 30h in first constant temperature oven of 480 DEG C, carries out the process that homogenizes, to allow the metallic element in foundry goods fully spread, make cast-internal homogeneous; Homogenize after process, then foundry goods to be transferred to rapidly temperature be incubated 5h in second constant temperature oven of 130 DEG C, carries out ageing treatment, be finally placed in air and be cooled to room temperature;
(2) die-cut: the die casting after the process that homogenizes in step (1) to be inserted on hydraulic press, puts down die-cut for the cinder ladle cast gate of die casting, do not produce phenomenons such as lacking material, slight crack; After die-cut, foundry goods put in butterfly cage in order and keeps in, and then according to the principle of first outer foundry goods taken out successively and carry out subsequent disposal;
(3) unhairing process: the die casting after taking-up adopts pneumatic round file to remove the burr at the cast gate of die casting, overflow well, parting line, pilot hole and inner chamber thimble print place, and makes the residual altitude of burr be 0 ~ 0.3mm, i.e. residual altitude≤0.3mm;
(4) Shot Blasting: adopt shot-blasting machine that all surface of die casting is carried out Shot Blasting, make the surface color after ball blast even, surfacing is smooth; Wherein, the bullet that shot-blasting machine adopts is the shot of diameter 0.5mm, and ball blast processing condition are: impeller head rotating speed 8r/min, electric current 22A, ball blast time 80s; Shot Blasting will be guaranteed without grinning effect, also can not have and throws and cause the phenomenon that surface becomes concavo-convex;
(5) apparent mass of the die casting after above-mentioned process is tested, product is populated, nothing owes the problems such as casting, cold shut bubble pore, product without being out of shape, damaging, scratch, problems of crack, surface clean is qualified product without greasy dirt blackspot, carries out packaging warehouse-in to salable product.
Embodiment 2
A die casting post-treating method for end cover of automobile generator, concrete steps are as follows:
(1) homogenize process: after die casting terminates, die sinking also takes out the die casting of end cover of automobile generator, and first it being inserted rapidly temperature is be incubated 10h in first constant temperature oven of 520 DEG C, carries out the process that homogenizes, to allow the metallic element in foundry goods fully spread, make cast-internal homogeneous; Homogenize after process, then foundry goods to be transferred to rapidly temperature be incubated 8h in second constant temperature oven of 150 DEG C, carries out ageing treatment, be finally placed in air and be cooled to room temperature;
(2) die-cut: the die casting after the process that homogenizes in step (1) to be inserted on hydraulic press, puts down die-cut for the cinder ladle cast gate of die casting, do not produce phenomenons such as lacking material, slight crack; After die-cut, foundry goods put in butterfly cage in order and keeps in, and then according to the principle of first outer foundry goods taken out successively and carry out subsequent disposal;
(3) unhairing process: the die casting after taking-up adopts pneumatic round file to remove the burr at the cast gate of die casting, overflow well, parting line, pilot hole and inner chamber thimble print place, and makes the residual altitude of burr be 0 ~ 0.3mm, i.e. residual altitude≤0.3mm;
(4) Shot Blasting: adopt shot-blasting machine that all surface of die casting is carried out Shot Blasting, make the surface color after ball blast even, surfacing is smooth; Wherein, the bullet that shot-blasting machine adopts is the shot of diameter 0.5mm, and ball blast processing condition are: impeller head rotating speed 5r/min, electric current 18A, ball blast time 150s; Shot Blasting will be guaranteed without grinning effect, also can not have and throws and cause the phenomenon that surface becomes concavo-convex;
(5) apparent mass of the die casting after above-mentioned process is tested, product is populated, nothing owes the problems such as casting, cold shut bubble pore, product without being out of shape, damaging, scratch, problems of crack, surface clean is qualified product without greasy dirt blackspot, carries out packaging warehouse-in to salable product.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (5)
1. a die casting post-treating method for end cover of automobile generator, is characterized in that, comprise the steps:
(1) homogenize process: after die casting terminates, and the die casting taking out end cover of automobile generator after die sinking is first inserted in the first constant temperature oven and carried out the process that homogenizes, and then insert in the second constant temperature oven and carry out ageing treatment, is finally placed in air and is cooled to room temperature;
(2) die-cut: the die casting after the process that homogenizes in step (1) to be inserted on hydraulic press, puts down die-cut for the cinder ladle cast gate of die casting;
(3) unhairing process: adopt pneumatic round file to remove the burr at the cast gate of die casting, overflow well, parting line, pilot hole and inner chamber thimble print place;
(4) Shot Blasting: adopt shot-blasting machine that all surface of die casting is carried out Shot Blasting, make the surface color after ball blast even, surfacing is smooth;
(5) check, salable product packaging warehouse-in.
2. the die casting post-treating method of end cover of automobile generator according to claim 1, is characterized in that, in described step (1), the temperature of described first constant temperature oven is 480 ~ 520 DEG C, and the treatment time that homogenizes is 10 ~ 30h.
3. the die casting post-treating method of end cover of automobile generator according to claim 1, is characterized in that, in described step (1), the temperature of described second constant temperature oven is 130 ~ 150 DEG C, and aging time is 5 ~ 8h.
4. the die casting post-treating method of end cover of automobile generator according to claim 1, is characterized in that, in described step (3), the burr residual altitude after described unhairing process is 0 ~ 0.3mm.
5. the die casting post-treating method of end cover of automobile generator according to claim 1, it is characterized in that, in described step (4), the bullet that described shot-blasting machine adopts is the shot of diameter 0.5mm, ball blast processing condition are: impeller head rotating speed 5 ~ 8r/min, electric current 18 ~ 22A, ball blast time 80 ~ 150s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610088474.5A CN105525238B (en) | 2016-02-17 | 2016-02-17 | A kind of die casting post-processing approach of end cover of automobile generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610088474.5A CN105525238B (en) | 2016-02-17 | 2016-02-17 | A kind of die casting post-processing approach of end cover of automobile generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105525238A true CN105525238A (en) | 2016-04-27 |
| CN105525238B CN105525238B (en) | 2017-09-08 |
Family
ID=55767756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610088474.5A Active CN105525238B (en) | 2016-02-17 | 2016-02-17 | A kind of die casting post-processing approach of end cover of automobile generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105525238B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106583698A (en) * | 2016-08-31 | 2017-04-26 | 宁波埃利特模具制造有限公司 | Post-processing method for large aluminum alloy die-casting part |
| CN110299809A (en) * | 2019-07-22 | 2019-10-01 | 连云港宝迪汽车配件制造有限公司 | A kind of manufacturing method of automobile current generator or starter end cap |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101671787A (en) * | 2009-10-23 | 2010-03-17 | 瑞立集团瑞安汽车零部件有限公司 | Natural destressing die-casting aluminum alloy and preparation method thereof |
| CN101870090A (en) * | 2010-06-07 | 2010-10-27 | 江苏凯特汽车部件有限公司 | Shot blasting method for improving surface coating performance and appearance quality of aluminum wheel of vehicle |
| CN102108463A (en) * | 2010-01-29 | 2011-06-29 | 北京有色金属研究总院 | Aluminium alloy product suitable for manufacturing structures and preparation method |
| CN103878338A (en) * | 2014-03-19 | 2014-06-25 | 宁波东浩铸业有限公司 | Technology for machining automobile engine end cover |
| CN104498782A (en) * | 2015-01-04 | 2015-04-08 | 宁波东浩铸业有限公司 | Automobile generator end cover and preparation method thereof |
-
2016
- 2016-02-17 CN CN201610088474.5A patent/CN105525238B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101671787A (en) * | 2009-10-23 | 2010-03-17 | 瑞立集团瑞安汽车零部件有限公司 | Natural destressing die-casting aluminum alloy and preparation method thereof |
| CN102108463A (en) * | 2010-01-29 | 2011-06-29 | 北京有色金属研究总院 | Aluminium alloy product suitable for manufacturing structures and preparation method |
| CN101870090A (en) * | 2010-06-07 | 2010-10-27 | 江苏凯特汽车部件有限公司 | Shot blasting method for improving surface coating performance and appearance quality of aluminum wheel of vehicle |
| CN103878338A (en) * | 2014-03-19 | 2014-06-25 | 宁波东浩铸业有限公司 | Technology for machining automobile engine end cover |
| CN104498782A (en) * | 2015-01-04 | 2015-04-08 | 宁波东浩铸业有限公司 | Automobile generator end cover and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106583698A (en) * | 2016-08-31 | 2017-04-26 | 宁波埃利特模具制造有限公司 | Post-processing method for large aluminum alloy die-casting part |
| CN110299809A (en) * | 2019-07-22 | 2019-10-01 | 连云港宝迪汽车配件制造有限公司 | A kind of manufacturing method of automobile current generator or starter end cap |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105525238B (en) | 2017-09-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101580940B (en) | A kind of fast and energy-saving gas nitrocarburization method of automobile tire mold | |
| CN103447462A (en) | Manufacturing process of intermediate casting of diesel engine | |
| CN105081281A (en) | Metal mold low-pressure casting process for cast-aluminum gearbox body of high-speed train | |
| CN105525238A (en) | Die-casting post-processing method for end cover of automobile generator | |
| CN105057403B (en) | Die-casting shaping method, mold and die-casting | |
| CN102049473B (en) | Sand core and preparation method thereof | |
| CN104174803B (en) | High-pressure common rail Preform Die | |
| CN105772635A (en) | Cylinder sleeve producing method | |
| CN103028685B (en) | The processing method of high-grade bolt | |
| CN116197363B (en) | Casting process of high dynamic balance maintaining precision ductile iron flywheel | |
| CN102233406A (en) | Exhaust method of cylinder body casting production | |
| CN112427899B (en) | Processing technology of glove metal mold | |
| CN106216936A (en) | A kind of restorative procedure of Mg alloy castings | |
| CN204308173U (en) | Needle anti-blocking exhaust structure | |
| CN113263159A (en) | Method for manufacturing magnesium alloy car hub | |
| CN102371344B (en) | Process for casting hot air grate for blast furnace | |
| CN103075274B (en) | Air inlet mixer and casting process thereof | |
| CN108864649B (en) | Optimized injection process of piston lip | |
| CN219900160U (en) | Sand core fixing piece with exhaust groove | |
| CN205200463U (en) | Sand mould is sandblast nozzle for mould | |
| CN205201042U (en) | Valve body processing frock | |
| CN112659452A (en) | Manufacturing method of touch screen shell for vehicle | |
| CN202779643U (en) | Steel-iron composite steel ingot mold | |
| CN203495150U (en) | Novel mold for casting piston | |
| Patria et al. | ENHANCING SIDE DIE RESISTANCE TO THERMAL SHOCK IN AUTOMOTIVE CASTING: A COMPARATIVE STUDY OF FCD550 AND SKD6 MATERIALS. |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190109 Address after: 215500 No. 10 Wengzhuang Road, Liantang, Shanghu Town, Changshu City, Jiangsu Province Patentee after: Bozhong Youpu (Changshu) Automotive Parts Technology Co., Ltd. Address before: 215500 Industrial Concentration Zone of Shanghu Town, Changshu City, Suzhou City, Jiangsu Province (Wengjiazhuang) Patentee before: SUZHOU PUSHI PRECISION WORK TECHNOLOGY CO., LTD. |
|
| TR01 | Transfer of patent right |