CN112958758A - Automobile engine end cover casting and manufacturing method thereof - Google Patents
Automobile engine end cover casting and manufacturing method thereof Download PDFInfo
- Publication number
- CN112958758A CN112958758A CN202110127892.1A CN202110127892A CN112958758A CN 112958758 A CN112958758 A CN 112958758A CN 202110127892 A CN202110127892 A CN 202110127892A CN 112958758 A CN112958758 A CN 112958758A
- Authority
- CN
- China
- Prior art keywords
- end cover
- insert
- casting
- die
- heat
- 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
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D19/00—Casting in, on, or around objects which form part of the product
- B22D19/0081—Casting in, on, or around objects which form part of the product pretreatment of the insert, e.g. for enhancing the bonding between insert and surrounding cast metal
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D19/00—Casting in, on, or around objects which form part of the product
- B22D19/16—Casting in, on, or around objects which form part of the product for making compound objects cast of two or more different metals, e.g. for making rolls for rolling mills
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0068—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for particular articles not mentioned below
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F7/00—Casings, e.g. crankcases or frames
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F2200/00—Manufacturing
- F02F2200/06—Casting
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The invention provides an automobile engine end cover casting and a manufacturing method thereof.A center hole is formed in the center of an end cover body; the insert is embedded in the central hole; wherein the end cap body is manufactured by ZL101A and the insert is manufactured by Q235A. Compared with the prior art, the invention adopts the two materials for manufacturing, and the binding force is enhanced.
Description
Technical Field
The invention belongs to the field of machine manufacturing, and particularly relates to an automobile engine end cover casting and a manufacturing method thereof.
Background
The end cap is a key part of an automobile engine and bears the axial positioning of the bearing outer ring. With the requirement of light weight in the field of automobile manufacturing, end caps mainly made of aluminum alloy have become a trend in the field of end cap manufacturing. The aluminum alloy end cover is scientific in design, higher in protection level and better in heat dissipation, the optimized thin-wall structure reduces the weight of the whole motor under the condition of ensuring the strength, and the practicability is high.
Although the aluminum alloy material is advantageous in light weight, the bearing part is often damaged due to the strong rotating speed of an engine due to the limited bearing strength, so that the bearing part is structurally reinforced by selecting a steel material with strong hardness, but a gap is often formed in an end cover formed by combining two materials produced in the prior art, and the end cover is damaged in the subsequent use process.
Disclosure of Invention
In order to solve the technical problem, the invention particularly relates to an automobile engine end cover casting and a manufacturing method thereof.
The specific technical scheme is as follows:
an automotive engine end cover casting differing in that it comprises:
the end cover comprises an end cover body, wherein a center hole is formed in the center of the end cover body;
and
the insert is embedded in the central hole;
wherein the end cap body is manufactured by ZL101A and the insert is manufactured by Q235A.
Further, the automobile engine end cover casting is manufactured by the following method:
step S1, embedding the insert in the die;
step S2, casting and molding the smelted aluminum alloy molten iron in a mould to obtain a casting crude product;
and step S3, performing heat treatment and shot blasting on the casting crude product.
In the step S1, before the insert is placed in a die, the insert is baked for not less than 3 hours at the temperature of 300-400 ℃;
in the step S3, the heat treatment is divided into a solution treatment stage and an artificial aging stage, wherein the solution treatment stage is performed by adopting a solution temperature of 530-540 ℃ for heat preservation for 10-14 hours and then cooling.
Compared with the prior art, the invention is manufactured by adopting the two materials, the strength of the invention is beneficial to subsequent machining, and the combination is tight and seamless.
The automobile engine end cover is manufactured by the automobile engine end cover casting.
The motor or the automobile comprises the automobile engine end cover.
The mould for manufacturing the automobile engine end cover casting is different in that the mould comprises:
the upper die fixing plate and the lower die fixing plate are matched with each other;
the pouring cup is connected to the lower die fixing plate;
the upper half die is connected with the upper die fixing plate, and the lower half die is connected with the lower die fixing plate;
the upper half die and the lower half die are provided with cavities which are matched with each other, and the cavity of the lower half die comprises an insert embedding hole;
the lower half die further comprises a runner arranged on the cavity of the lower half die, the runner is connected with the pouring cup, and the pouring cup is provided with a pouring head;
temperature monitoring devices distributed inside the cavity;
and
cooling means distributed inside said cavity;
and the cavity, the runner and the pouring cup are all sprayed with heat-insulating coatings.
Further, the heat-insulating coating is 395# heat-insulating coating or 103# heat-insulating coating, the thickness of the heat-insulating coating of the cavity is 0.1-0.15 mm, and the thickness of the heat-insulating coating of the runner and the pouring cup is 1-5 mm.
The beneficial effect of adopting the further technical scheme is that: the heat-insulating coating with the thickness range is adopted in a casting mould, so that the combination degree of the product can be further improved.
Further, the heat-insulating coating is 395# heat-insulating coating.
The manufacturing method of the automobile engine end cover casting is different in that the manufacturing method of the automobile engine end cover casting comprises the following steps:
step S1, embedding the insert in the die;
step S2, casting and molding the smelted aluminum alloy molten iron in a mould to obtain a casting crude product;
and step S3, performing heat treatment and shot blasting on the casting crude product.
In the step S1, before the insert is placed in a die, the insert is baked for not less than 3 hours at the temperature of 300-400 ℃;
in the step S3, the heat treatment is divided into a solution treatment stage and an artificial aging stage, wherein the solution treatment stage is performed by adopting a solution temperature of 530-540 ℃ for heat preservation for 10-14 hours and then cooling.
Compared with the prior art, the insert is baked before casting, and strict solid solution heat preservation treatment measures are adopted in subsequent treatment, so that the strength of the casting in subsequent machining is ensured, and the combination degree of the insert body and the insert is improved.
Further, in the step S1, before the insert is placed in the mold, the insert is baked at 350 ℃.
Further, in the step S2, the upper mold half is preheated to 440 to 480 ℃, the lower mold half is preheated to 430 to 470 ℃, the temperature of the molten aluminum alloy is 725 to 745 ℃, the mold filling pressure angle is 5 to 15 ℃, and the mold filling speed is 0.3 to 0.5 m/S.
Further, in the step S2, the mold filling pressure angle is 10 ° and the mold filling speed is 0.44 m/S.
Further, the heat treatment is divided into a solid solution treatment stage and an artificial aging stage, wherein the solid solution treatment stage is cooled by water at the temperature of 60-100 ℃, and the artificial aging stage is air-cooled at room temperature for not less than 8 hours; in the shot blasting treatment, the diameter of the steel shot is 0.3 mm-0.4 mm.
Furthermore, the solid solution temperature of 530-540 ℃ is adopted in the solid solution treatment stage for heat preservation for 12 hours, and then water of 80 ℃ is adopted for cooling.
The beneficial effect of adopting the further technical scheme is that: the combination degree of the insert body and the insert can be further improved.
A method of manufacturing an end cap, the method comprising:
and machining the end cover casting to obtain the end cover.
Drawings
FIG. 1 is a block diagram of an end cap;
FIG. 2 is a cross-sectional view of the end cap;
fig. 3 is a schematic structural view of the mold.
FIG. 4 is a schematic view of the upper mold half;
fig. 5 is a schematic view of the lower mold half.
The end cover comprises an end cover body-A1, an insert-A2, an upper die fixing plate-B1, a lower die fixing plate-B2, a pouring cup-B3, an upper half die-B4, a lower half die-B5, a cavity-B6, a pouring head-B301, a runner-B501 and an insert embedding hole-B502.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
Example 1
The present embodiment provides a casting mold:
as shown in fig. 3 to 5: the casting mold comprises an upper mold fixing plate B1 and a lower mold fixing plate B2 which are matched with each other, an upper mold half B4 connected with an upper mold fixing plate B1, a lower mold half B5 connected with a lower mold fixing plate B2, a cavity B6 which is matched with each other is arranged on each of the upper mold half B4 and the lower mold half B5, and a pouring cup B3 connected to a lower mold fixing plate B2.
The middle part of a cavity B6 of the lower half die comprises an insert embedding hole B502, the lower half die further comprises a runner B501 connecting a pouring cup B3 with the cavity of the lower half die, the pouring cup is provided with a pouring head B301, and a temperature monitoring device (not shown in the figure) and a cooling device (not shown in the figure) are distributed in the cavity B6;
the die cavity B6, the runner B501 and the pouring cup B3 are all sprayed with heat-insulating paint, in the embodiment, the heat-insulating paint is 395# heat-insulating paint, the thickness of the heat-insulating paint of the die cavity is 0.1-0.15 mm, and the thickness of the heat-insulating paint of the runner, the riser and the pouring cup is 3 mm.
Example 2
The embodiment provides a casting mold, which has the same structure as that of embodiment 1, and the only difference is that 103# heat-insulating coating is adopted, the thickness of the heat-insulating coating of the cavity is 0.1-0.15 mm, and the thickness of the heat-insulating coating of the runner, the riser and the pouring cup is 2 mm.
Example 3
The embodiment provides a casting mold, which has the same structure as that of embodiment 1, and is only different from embodiment 1 in that 395# heat-insulating coating is adopted, and the thickness of the heat-insulating coating of the cavity is 0.05-0.08 mm.
Example 4
The embodiment provides an automobile engine end cover and a manufacturing method thereof
As shown in FIGS. 1-2, an automotive engine end cover includes: the end cover comprises an end cover body A1 and an insert A2, wherein a center hole is formed in the center of the end cover body, and the insert is embedded in the center hole; the end cover body is made of ZL101A material, and the insert is made of Q235A material.
The preparation method comprises the following specific steps:
and step S1, embedding the insert into the die, and baking the insert for 4 hours at 350 ℃ before placing the insert into the die.
And step S2, carrying out gravity casting on the smelted aluminum alloy in a mould to obtain a crude casting, preheating the upper half mould to 460 ℃, preheating the lower half mould to 450 ℃, wherein the casting temperature is 735 ℃, the mold filling pressure angle is 10 degrees, and the mold filling speed is 0.44 m/S.
Step S3, carrying out heat treatment and shot blasting treatment on the crude casting to obtain an end cover casting, wherein the heat treatment is divided into a solid solution treatment stage and an artificial aging stage, the solid solution treatment stage adopts a solid solution temperature of 535 ℃ for heat preservation for 12 hours, then the temperature is reduced by adopting water of 80 ℃, and the artificial aging stage is air-cooled for 10 hours at room temperature; the diameter of the steel shot used for shot blasting treatment is 0.3 mm-0.4 mm.
Step S4: and (4) turning, drilling and tapping to obtain the end cover.
Example 5
The embodiment provides an automobile engine end cover and a manufacturing method thereof
As shown in FIGS. 1-2, an automotive engine end cover includes: the end cover comprises an end cover body A1 and an insert A2, wherein a center hole is formed in the center of the end cover body, and the insert is embedded in the center hole; the end cover body is made of ZL101A material, and the insert is made of Q235A material.
The preparation method comprises the following specific steps:
and step S1, embedding the insert into the die, and baking the insert for 3 hours at 350 ℃ before placing the insert into the die.
And step S2, preheating the upper half mold to 460 ℃, preheating the lower half mold to 450 ℃, and performing gravity casting on the smelted aluminum alloy in the mold to obtain a crude casting, wherein the casting temperature is 735 ℃, the mold filling pressure angle is 8 degrees, and the mold filling speed is 0.4 m/S.
Step S3, carrying out heat treatment and shot blasting treatment on the crude casting to obtain an end cover casting, wherein the heat treatment is divided into a solution treatment stage and an artificial aging stage, the solution treatment stage adopts a solution temperature of 530 ℃ for heat preservation for 14 hours, then adopts water of 100 ℃ for cooling, and the artificial aging stage is air-cooled for 8 hours at room temperature; the diameter of the steel shot used for shot blasting treatment is 0.3 mm-0.4 mm.
Step S4: and (4) turning, drilling and tapping to obtain the end cover.
Example 6
The embodiment provides an automobile engine end cover and a manufacturing method thereof
As shown in FIGS. 1-2, an automotive engine end cover includes: the end cover comprises an end cover body A1 and an insert A2, wherein a center hole is formed in the center of the end cover body, and the insert is embedded in the center hole; the end cover body is made of ZL101A material, and the insert is made of Q235A material.
The preparation method comprises the following specific steps:
and step S1, embedding the insert into the die, and baking the insert for 5 hours at 300 ℃ before placing the insert into the die.
And step S2, preheating the upper half mold to 460 ℃, preheating the lower half mold to 450 ℃, and performing gravity casting on the smelted aluminum alloy in the mold to obtain a crude casting, wherein the casting temperature is 730 ℃, the mold filling pressure angle is 12 degrees, and the mold filling speed is 0.5 m/S.
And S3, carrying out heat treatment and shot blasting treatment on the crude casting to obtain an end cover casting, wherein the heat treatment is divided into a solid solution treatment stage and an artificial aging stage, the solid solution treatment stage adopts a solid solution temperature of 540 ℃ for heat preservation for 10 hours, then the temperature is reduced by adopting water at 60 ℃, the artificial aging stage is carried out by air cooling for 12 hours at room temperature, and the diameter of a steel shot used for shot blasting treatment is 0.3-0.4 mm.
Step S4: and (4) turning, drilling and tapping to obtain the end cover.
Example 7
The embodiment provides an automobile engine end cover and a manufacturing method thereof
As shown in FIGS. 1-2, an automotive engine end cover includes: the end cover comprises an end cover body A1 and an insert A2, wherein a center hole is formed in the center of the end cover body, and the insert is embedded in the center hole; the end cover body is made of ZL101A material, and the insert is made of Q235A material.
The manufacturing method was the same as in example 4, but the present example was manufactured using the casting mold of example 2, which is different from example 4.
Example 8
The embodiment provides an automobile engine end cover and a manufacturing method thereof
As shown in FIGS. 1-2, an automotive engine end cover includes: the end cover comprises an end cover body A1 and an insert A2, wherein a center hole is formed in the center of the end cover body, and the insert is embedded in the center hole; the end cover body is made of ZL101A material, and the insert is made of Q235A material.
The manufacturing method was the same as in example 4, but the present example was manufactured using the casting mold of example 3, which is different from example 4.
Example 9
The embodiment provides an automobile engine end cover and a manufacturing method thereof
As shown in FIGS. 1-2, an automotive engine end cover includes: the end cover comprises an end cover body A1 and an insert A2, wherein a center hole is formed in the center of the end cover body, and the insert is embedded in the center hole; the end cover body is made of ZL101A material, and the insert is made of Q235A material.
The end caps were made according to the procedure of example 4, except that the casting temperature was 700 ℃.
Comparative example 1
The embodiment provides an automobile engine end cover and a manufacturing method thereof
As shown in FIGS. 1-2, an automotive engine end cover includes: the end cover comprises an end cover body A1 and an insert A2, wherein a center hole is formed in the center of the end cover body, and the insert is embedded in the center hole; the end cover body is made of ZL101A material, and the insert is made of Q235A material.
The end cap was manufactured as in example 4, except that the insert was not baked.
Comparative example 2
The embodiment provides an automobile engine end cover and a manufacturing method thereof
As shown in FIGS. 1-2, an automotive engine end cover includes: the end cover comprises an end cover body A1 and an insert A2, wherein a center hole is formed in the center of the end cover body, and the insert is embedded in the center hole; the end cover body is made of ZL101A material, and the insert is made of Q235A material.
The end caps were made according to the procedure of example 4, except that the inserts of this example were baked at 250 ℃ for 5 hours.
Comparative example 3
The embodiment provides an automobile engine end cover and a manufacturing method thereof
As shown in FIGS. 1-2, an automotive engine end cover includes: the end cover comprises an end cover body A1 and an insert A2, wherein a center hole is formed in the center of the end cover body, and the insert is embedded in the center hole; the end cover body is made of ZL101A material, and the insert is made of Q235A material.
The end cap was made as in example 4, except that the insert of this example was baked at 450 ℃ for 3 hours.
Comparative example 4
The embodiment provides an automobile engine end cover and a manufacturing method thereof
As shown in FIGS. 1-2, an automotive engine end cover includes: the end cover comprises an end cover body A1 and an insert A2, wherein a center hole is formed in the center of the end cover body, and the insert is embedded in the center hole; the end cover body is made of ZL101A material, and the insert is made of Q235A material.
The end cap was fabricated as in example 4, except that the heat treatment conditions were changed to 6 hours in the solution treatment stage.
Example 10
The degree of combination of the end caps of examples 4 to 9 and the end cap bodies of comparative examples 1 to 4 with the insert was measured, and the results are shown in table 1.
The test method comprises the following steps:
the first grade test method comprises the following steps: observing the tapping condition of the casting;
the second level test method: surface gap after machining
The third level test method: and (4) pressurizing and leakage testing the joint of the insert and the body.
When the three levels of tests are carried out, if the gap between the body and the insert is smaller than 0.1mm, the pressure test is airtight, and a large-area shrinkage cavity on the surface is determined as a good product.
TABLE 1 bonding of examples 4 to 9 and comparative examples 1 to 4 end blocks
In comparative example 4, the casting was not strong enough, and the following machining was based on the variability and the yield.
As can be seen from table 1, compared with comparative example 1, in the casting process using the end cap of the present embodiment, when a casting is processed, the insert is baked, and the yield is increased to more than 65%, whereas in comparative example 1, most of the products cannot be tested in the second grade; compared with the comparative example 2, in the casting process of the end cover of the embodiment, the yield is at least improved by 55% when the baking temperature range of the insert is improved to 300-400 ℃, and most products cannot be tested in the second grade in the comparative example 2; compared with the comparative example 3, in the casting process of the end cover of the embodiment, the yield is improved by at least 35% when the baking temperature of the insert is reduced to 300-400 ℃, and most products cannot be tested in a second grade in the comparative example 3; compared with the comparative example 4, when the casting crude product is subjected to subsequent heat treatment, the solid solution heat preservation time of the casting crude product is prolonged to 10-14 h, and the strength of subsequent machining is ensured.
Secondly, the inventor team researches and discovers that the influence of the casting mold on the casting is large, when the thickness of the heat-insulating coating of the cavity of the heat-insulating mold is 0.1-0.15 mm, the reasonable casting process is matched, the product is helped to pass the third-level test, the yield is improved to 70% or above, and the yield is further improved by using 395# heat-insulating coating.
The parameters of gravity casting were controlled as follows: in step S1, baking the insert at 350 ℃; in the step S2, the casting temperature is 735 ℃; in step S3, the solid solution temperature is kept for 12 hours; the performance is optimized.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. An automotive engine end cover casting, comprising:
the end cover comprises an end cover body, wherein a center hole is formed in the center of the end cover body;
and
the insert is embedded in the central hole;
wherein the end cap body is manufactured by ZL101A and the insert is manufactured by Q235A.
2. An automotive engine end cover made from the automotive engine end cover casting of any one of claim 1.
3. An electric machine or vehicle comprising the automotive engine end cover of claim 2.
4. A mold for making the automotive engine end cover casting of claim 1, wherein the mold comprises:
the upper die fixing plate and the lower die fixing plate are matched with each other;
the pouring cup is connected to the lower die fixing plate;
the upper half die is connected with the upper die fixing plate, and the lower half die is connected with the lower die fixing plate;
the upper half die and the lower half die are provided with cavities which are matched with each other, and the cavity of the lower half die comprises an insert embedding hole;
the lower half die further comprises a runner arranged on the cavity of the lower half die, the runner is connected with the pouring cup, and the pouring cup is provided with a pouring head;
temperature monitoring devices distributed inside the cavity;
and
cooling means distributed inside said cavity;
and the cavity, the runner and the pouring cup are all sprayed with heat-insulating coatings.
5. The mold for manufacturing the automobile engine end cover casting according to claim 4, wherein the heat-insulating coating is 395# heat-insulating coating or 103# heat-insulating coating, the thickness of the heat-insulating coating of the cavity is 0.1-0.15 mm, and the thickness of the heat-insulating coating of the runner and the pouring cup is 1-5 mm.
6. The method of manufacturing an automobile engine end cover casting according to claim 1, wherein the method of manufacturing an automobile engine end cover casting comprises:
step S1, embedding the insert in a die;
step S2, casting and molding the smelted molten aluminum alloy in a mould to obtain a crude casting;
step S3, carrying out heat treatment and shot blasting treatment on the casting crude product;
in the step S1, before the insert is placed in a die, the insert is baked for not less than 3 hours at the temperature of 300-400 ℃;
in the step S3, the heat treatment is divided into a solution treatment stage and an artificial aging stage, wherein the solution treatment stage is performed by adopting a solution temperature of 530-540 ℃ for heat preservation for 10-14 hours and then cooling.
7. The method for manufacturing the automobile engine end cover casting according to claim 6, wherein in step S2, the upper mold half is preheated to 440-480 ℃, the lower mold half is preheated to 430-470 ℃, the temperature of the molten aluminum alloy is 720-745 ℃, the mold filling pressure angle is 5-15 ℃, and the mold filling speed is 0.3-0.5 m/S.
8. The method for manufacturing the automobile engine end cover casting according to claim 6, wherein in the step S3, the heat treatment is divided into a solution treatment stage and an artificial aging stage, wherein the solution treatment stage is performed by cooling with water at 60-100 ℃, and the artificial aging stage is performed by air cooling at room temperature for not less than 8 h; in the shot blasting treatment, the diameter of the steel shot is 0.3 mm-0.4 mm.
9. The method for manufacturing an automobile engine end cover casting according to claim 6, wherein in the step S1, the insert is baked at 350 ℃ before being placed in the die.
10. A method of manufacturing an end cap, the method comprising:
machining the end cap casting of claim 1 to obtain the end cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110127892.1A CN112958758A (en) | 2021-01-29 | 2021-01-29 | Automobile engine end cover casting and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110127892.1A CN112958758A (en) | 2021-01-29 | 2021-01-29 | Automobile engine end cover casting and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112958758A true CN112958758A (en) | 2021-06-15 |
Family
ID=76272441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110127892.1A Pending CN112958758A (en) | 2021-01-29 | 2021-01-29 | Automobile engine end cover casting and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112958758A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1428517A (en) * | 2001-12-21 | 2003-07-09 | 铃木株式会社 | Bearing cover for motor |
| JP2004243364A (en) * | 2003-02-13 | 2004-09-02 | Aisin Takaoka Ltd | Method and apparatus for producing die cast product |
| JP2005271062A (en) * | 2004-03-26 | 2005-10-06 | Suitaya:Kk | Composite casting |
| CN103514891A (en) * | 2012-06-19 | 2014-01-15 | 日本电产株式会社 | Base plate, base unit, motor, disk drive apparatus and method of manufacturing base plate |
| CN107790681A (en) * | 2017-10-25 | 2018-03-13 | 安徽恒利增材制造科技有限公司 | A kind of Engine Cylinder Block ＆ Cylinder Head bimetal composite casting method |
| CN109083763A (en) * | 2018-09-13 | 2018-12-25 | 安徽永茂泰汽车零部件有限公司 | A kind of automobile engine end cover structure and its production and processing method |
| CN208934817U (en) * | 2018-09-13 | 2019-06-04 | 安徽永茂泰汽车零部件有限公司 | A kind of automobile engine end cover structure |
| CN209011965U (en) * | 2018-11-09 | 2019-06-21 | 苏州库立特精密五金有限公司 | A kind of automobile engine end cap die cast metal part |
-
2021
- 2021-01-29 CN CN202110127892.1A patent/CN112958758A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1428517A (en) * | 2001-12-21 | 2003-07-09 | 铃木株式会社 | Bearing cover for motor |
| JP2004243364A (en) * | 2003-02-13 | 2004-09-02 | Aisin Takaoka Ltd | Method and apparatus for producing die cast product |
| JP2005271062A (en) * | 2004-03-26 | 2005-10-06 | Suitaya:Kk | Composite casting |
| CN103514891A (en) * | 2012-06-19 | 2014-01-15 | 日本电产株式会社 | Base plate, base unit, motor, disk drive apparatus and method of manufacturing base plate |
| CN107790681A (en) * | 2017-10-25 | 2018-03-13 | 安徽恒利增材制造科技有限公司 | A kind of Engine Cylinder Block ＆ Cylinder Head bimetal composite casting method |
| CN109083763A (en) * | 2018-09-13 | 2018-12-25 | 安徽永茂泰汽车零部件有限公司 | A kind of automobile engine end cover structure and its production and processing method |
| CN208934817U (en) * | 2018-09-13 | 2019-06-04 | 安徽永茂泰汽车零部件有限公司 | A kind of automobile engine end cover structure |
| CN209011965U (en) * | 2018-11-09 | 2019-06-21 | 苏州库立特精密五金有限公司 | A kind of automobile engine end cap die cast metal part |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101745999B1 (en) | Fatigue resistant cast titanium alloy articles | |
| US20090274560A1 (en) | Compressor impeller and method of manufacturing the same | |
| CN101598585A (en) | The preparation method of aluminum-alloy gas meter end cover | |
| CN111676404B (en) | Improved die casting forming method | |
| US20040261615A1 (en) | Forged piston for internal combustion engine and manufacturing method thereof | |
| CN106735083B (en) | A kind of hyperbar casting head prefabricated component enhancing Piston mould | |
| US7921901B2 (en) | Sacrificial sleeves for die casting aluminum alloys | |
| US11613800B2 (en) | Clean aluminum alloys and methods for forming such alloys | |
| WO2018088699A1 (en) | Surface treatment method using local heating and ultrasonic nanocrystal surface modification | |
| CN104625006A (en) | Pressure casting method for auto spare parts | |
| CN104148889B (en) | A kind of square plate casing blank manufacturing process and mated forming die thereof | |
| KR20220135197A (en) | Method for producing special vehicle wheels using 7000 series aluminum alloy | |
| CN105382241A (en) | Casting process of oil separator box body | |
| CN110653328A (en) | Processing technology of inner lug special-shaped cover | |
| CN110616387A (en) | Amorphous alloy for zirconium-based amorphous flexible gear blank, special copper mold and preparation method | |
| CN112958758A (en) | Automobile engine end cover casting and manufacturing method thereof | |
| KR20200110707A (en) | Steering support yoke | |
| CN111496254A (en) | Die cooling insert and manufacturing method thereof | |
| KR101626114B1 (en) | Manufacturing method of cylinder block | |
| CN106799463A (en) | A kind of production method of Iron Mould Coated Sand cast cylinder head | |
| CN103042630A (en) | Aluminum magnesium alloy pattern ring of radial tire segmented mold | |
| CN207359294U (en) | A kind of automobile bearing manufacture device | |
| CN108311654B (en) | Production method for preparing thick-wall metal die by centrifugal method | |
| CN101284300A (en) | Shaping method of safety air bag gasifier pressure cover | |
| CN206936336U (en) | A kind of hyperbar casting head prefabricated component enhancing Piston mould |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210615 |