CN109136594A - A kind of automobile starter drives the preparation method of lid - Google Patents
A kind of automobile starter drives the preparation method of lid Download PDFInfo
- Publication number
- CN109136594A CN109136594A CN201810837291.8A CN201810837291A CN109136594A CN 109136594 A CN109136594 A CN 109136594A CN 201810837291 A CN201810837291 A CN 201810837291A CN 109136594 A CN109136594 A CN 109136594A
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- CN
- China
- Prior art keywords
- molten aluminum
- mold
- lid
- preparation
- automobile starter
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Classifications
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/026—Alloys based on aluminium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/03—Making non-ferrous alloys by melting using master alloys
-
- 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
Abstract
The present invention relates to automobile parts to prepare technical field, in particular to a kind of automobile starter drives the preparation method of lid, it is therefore intended that so that the starter motor prepared is driven lid has good mechanical property, and performance is more stable.The following steps are included: S1: aluminium alloy ingots, a certain proportion of riser material and remaining soup ingot are put into the melting of melting pond；S2: chemical element content in molten aluminum is measured by sampling；S3: composition adjustment fills into magnesium ingot and/or al-sr alloy according to chemical component required amount；S4: refining, outlet；S5: ingredient and the confirmation of molten aluminum density, sampling and measuring molten aluminum ingredient and density guarantee molten aluminum requisite quality；S6: it clears up for the mold for driving and covering of casting, blast simultaneously toasts；S7: coating spraying is carried out to mold；S8: the mold after spraying is toasted again；S9: molten aluminum finished product prepared by S5 step is cast to mold, obtains driving lid finished product.
Description
Technical field
The invention belongs to automobile parts to prepare technical field, in particular to a kind of automobile starter drives the preparation method of lid.
Background technique
Automobile engine is that the device of power is provided for automobile, is the heart of automobile, decides dynamic property, the economy of automobile
Property, stability and the feature of environmental protection.
During starting up the car, driver twists key, gives one relatively small electric current of starter motor, this electricity
It streams to the pull-in winding of starter motor, engages the clutch gear of starter motor itself, drive engine rotation, engine crankshaft turns
It moves up, and reaches the war speed of minimum requirements required for starting, light a fire in cylinder later and enter working cycles and transport
It turns over.And the effect that starter motor drives lid is protection and connection motor shaft.
It is mostly die casting that orthodox car starter motor, which drives lid, is fabricated by cast iron materials.It is right with the continuous development of automobile
The requirement of drive lid is continuously improved, and the existing weight of tradition drive lid is big, performance is not sufficiently stable and the drawbacks such as structure is complicated are increasingly prominent
It is aobvious.
Summary of the invention
The object of the present invention is to provide the preparation method that a kind of automobile starter drives lid, the starter motor prepared in the method
Driving lid has good mechanical property, and performance is more stable.
Above-mentioned technical purpose of the invention has the technical scheme that
A kind of automobile starter drives the preparation method of lid, comprising the following steps:
S1: feeding intake, and aluminium alloy ingots, riser material and remaining soup ingot are put into the melting of melting pond；
S2: chemical element content in molten aluminum is measured by sampling；
S3: composition adjustment fills into magnesium ingot and/or al-sr alloy according to chemical component required amount；
S4: refining, outlet；
S5: ingredient and the confirmation of molten aluminum density, sampling and measuring molten aluminum ingredient and density guarantee molten aluminum requisite quality；
S6: it clears up for the mold for driving and covering of casting, blast simultaneously toasts；
S7: coating spraying is carried out to mold；
S8: the mold after spraying is toasted again；
S9: molten aluminum finished product prepared by S5 step is cast to mold, obtains driving lid finished product.
Further, it in S1, is added to scrap into melting pond and drives lid product, realize resource reutilization.
Further, in S1 smelting temperature at 680-740 DEG C.
Further, require molten aluminum density not less than 2.57g/cm in S33。
Further, require temperature of aluminum liquid control at 710-730 DEG C when casting in S9.
Further, when casting in S9, every 1.5h adds an al-sr alloy into cast aluminium liquid to be poured.
Further, chemical component weight percentage requirement in molten aluminum are as follows: Si 6.50-7.50%；Cu≤0.10%；Mg
0.35-0.42%；Mn≤0.10%；Fe≤0.25%；Zn≤0.10%；Sn≤0.01%；Ni≤0.05%；Pb≤
0.03%；Ti 0.08-0.20%；Sr 0.004-0.018%.
The beneficial effects of the present invention are:
1. the present invention is produced starter motor by the way of gravity casting and drives lid, to substitute the producer of traditional die casting
Formula can significantly improve the mechanical property and crushing force for driving lid product.
2. the molten aluminum completed is prepared when being cast, from being completed molten aluminum preparation, every 1.5 hours into molten aluminum
Al-sr alloy is added, crystal grain is refined using al-sr alloy, improves the mechanical property of alloy, avoids easy scaling loss elements strontium rotten, shadow
Ring product quality.
3. using riser material, remaining soup ingot and scrap products in raw material, the maximization of the utilization of resources can not only be realized in this way,
The environmental pollution of waste can be reduced simultaneously.
Specific embodiment
Below in conjunction with specific embodiment, technical solution of the present invention is clearly and completely described.Obviously, it is retouched
The embodiment stated is only a part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiment of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work, belongs to the present invention
The range of protection.
The present invention discloses the preparation method that a kind of automobile starter drives lid, each embodiments specific as follows.
Embodiment 1:
S1: feeding intake, and A356 aluminium alloy ingots 60kg, riser material 40kg, remaining soup ingot 50kg and starter motor are driven lid scrap
40kg puts into the melting of melting pond.Temperature observes remaining soup ingot fusing situation at 700 DEG C, in fusion process in melting pond, until remaining soup
When ingot fusing is complete, melting is finished, 3 hours time-consuming.The waste material that the riser of finished product is cut down before wherein riser material is, remaining soup
Ingot is the aluminium ingot of preceding batch furnace bottom residue molten aluminum casting.
S2: chemical element content in molten aluminum is measured by sampling.
S3: composition adjustment fills into 10g magnesium ingot and 12g al-sr alloy according to chemical component required amount.
S4: refining, degasification are added into melting pond and buy from upper marine rainbow photoinitiator chemical Co., Ltd., Factory sodium-free refining agent 2kg,
Refining temperature is controlled between 690-700 DEG C, the control argon gas refining degasification time is in 8min.
S5: molten aluminum density is measured by sampling, it is desirable that molten aluminum density is not less than 2.57g/cm3, detection molten aluminum is close in the present embodiment
Degree is 2.63g/cm3, meet production requirement.
S6: it clears up for the mold for driving and covering of casting, blast simultaneously toasts, and mold body temperature is made to reach 180-200
℃。
S7: carrying out coating spraying to mold, and spraying temperature sprays muzzle apart from mold 10-15cm, to mold at 190 DEG C
Even application.Coating is the mixture of 395 coating and water, it is therefore an objective to mold protected, helps to demould, improves product appearance quality,
Help formed product, the cooling sequence of control product and mold heat transfer rate.
S8: toasting the mold after spraying again, and baking temperature is at 210 DEG C.
S9: molten aluminum finished product prepared by S5 step is cast to mold, when casting temperature of aluminum liquid control at 710-715 DEG C,
It obtains driving lid finished product after cooling.
Embodiment 2:
S1: feeding intake, and A356 aluminium alloy ingots 55kg, riser material 50kg, remaining soup ingot 50kg and starter motor are driven lid scrap
30kg puts into the melting of melting pond.Temperature observes remaining soup ingot fusing situation at 680 DEG C, in fusion process in melting pond, until remaining soup
When ingot fusing is complete, melting is finished, 4 hours time-consuming.The waste material that the riser of finished product is cut down before wherein riser material is, remaining soup
Ingot is the aluminium ingot of preceding batch furnace bottom residue molten aluminum casting.
S2: chemical element content in molten aluminum is measured by sampling.
S3: composition adjustment fills into 8g magnesium ingot and 13g al-sr alloy according to chemical component required amount.
S4: purchase is added into melting pond from upper marine rainbow photoinitiator chemical Co., Ltd., Factory sodium-free refining agent for refining, degasification
1.8kg controls refining temperature between 700-710 DEG C, and the control argon gas refining degasification time is in 10min.
S5: molten aluminum density is measured by sampling, it is desirable that molten aluminum density is not less than 2.57g/cm3, detection molten aluminum is close in the present embodiment
Degree is 2.67g/cm3, meet production requirement.
S6: it clears up for the mold for driving and covering of casting, blast simultaneously toasts, and mold body temperature is made to reach 180-200
℃。
S7: carrying out coating spraying to mold, and spraying temperature sprays muzzle apart from mold 10-15cm, to mold at 200 DEG C
Even application.Coating is the mixture of 395 coating and water, it is therefore an objective to mold protected, helps to demould, improves product appearance quality,
Help formed product, the cooling sequence of control product and mold heat transfer rate.
S8: toasting the mold after spraying again, and baking temperature is at 220 DEG C.
S9: molten aluminum finished product prepared by S5 step is cast to mold, when casting temperature of aluminum liquid control at 720-730 DEG C,
It obtains driving lid finished product after cooling.Melting complete molten aluminum, when longer apart from casting time, during which every 1.5 hours to
An al-sr alloy is added in molten aluminum, additional amount is about 40g, so that the content of strontium reaches requirement, easy scaling loss elements strontium is avoided to become
Matter influences finished product quality.
Embodiment 3:
S1: feeding intake, and A356 aluminium alloy ingots 60kg, riser material 50kg, remaining soup ingot 50kg and starter motor are driven lid scrap
30kg puts into the melting of melting pond.Temperature observes remaining soup ingot fusing situation at 740 DEG C, in fusion process in melting pond, until remaining soup
When ingot fusing is complete, melting is finished, 4 hours time-consuming.The waste material that the riser of finished product is cut down before wherein riser material is, remaining soup
Ingot is the aluminium ingot of preceding batch furnace bottom residue molten aluminum casting.
S2: chemical element content in molten aluminum is measured by sampling.
S3: composition adjustment fills into 11g magnesium ingot and 15g al-sr alloy according to chemical component required amount.
S4: purchase is added into melting pond from upper marine rainbow photoinitiator chemical Co., Ltd., Factory sodium-free refining agent for refining, degasification
2.1kg controls refining temperature between 700-710 DEG C, and the control argon gas refining degasification time is in 10min.
S5: molten aluminum density is measured by sampling, it is desirable that molten aluminum density is not less than 2.57g/cm3, detection molten aluminum is close in the present embodiment
Degree is 2.59g/cm3, meet production requirement.
S6: it clears up for the mold for driving and covering of casting, blast simultaneously toasts, and mold body temperature is made to reach 180-200
℃。
S7: carrying out coating spraying to mold, and spraying temperature sprays muzzle apart from mold 10-15cm, to mold at 230 DEG C
Even application.Coating is the mixture of 395 coating and water, it is therefore an objective to mold protected, helps to demould, improves product appearance quality,
Help formed product, the cooling sequence of control product and mold heat transfer rate.
S8: toasting the mold after spraying again, and baking temperature is at 240 DEG C.
S9: molten aluminum finished product prepared by S5 step is cast to mold, when casting temperature of aluminum liquid control at 720-730 DEG C,
It obtains driving lid finished product after cooling.Melting complete molten aluminum, when longer apart from casting time, during which every 1.5 hours to
An al-sr alloy is added in molten aluminum, additional amount is about 45g, so that the content of strontium reaches requirement, easy scaling loss elements strontium is avoided to become
Matter influences finished product quality.
Detection method:
It is detected according to GB/T 20975.12-2008 " aluminium and aluminum alloy chemically analysis method " in the molten aluminum that melting is completed
Each component content；
The hardness for driving lid product is detected according to Brinell hardness code test.
Testing result is as shown in the table:
By above-mentioned experimental result it is found that driving lid according to the starter motor of the solution of the present invention preparation all has higher hardness,
It can reach 110HB or more, the mechanical property and crushing force for driving lid can be significantly improved.
Claims (7)
1. the preparation method that a kind of automobile starter drives lid, which comprises the following steps:
S1: feeding intake, and aluminium alloy ingots, riser material and remaining soup ingot are put into the melting of melting pond；
S2: chemical element content in molten aluminum is measured by sampling；
S3: composition adjustment fills into magnesium ingot and/or al-sr alloy according to chemical component required amount；
S4: refining, outlet；
S5: ingredient and the confirmation of molten aluminum density, sampling and measuring molten aluminum ingredient and density guarantee molten aluminum requisite quality；
S6: it clears up for the mold for driving and covering of casting, blast simultaneously toasts；
S7: coating spraying is carried out to mold；
S8: the mold after spraying is toasted again；
S9: molten aluminum finished product prepared by S5 step is cast to mold, obtains driving lid finished product.
2. the preparation method that a kind of automobile starter according to claim 3 drives lid, it is characterised in that: in S1, to melting
It is added to scrap in pond and drives lid product, realize resource reutilization.
3. the preparation method that a kind of automobile starter according to claim 1 drives lid, it is characterised in that: smelting temperature in S1
At 680-740 DEG C.
4. the preparation method that a kind of automobile starter according to claim 1 drives lid, it is characterised in that: require molten aluminum in S3
Density is not less than 2.57g/cm3。
5. the preparation method that a kind of automobile starter according to claim 1 drives lid, it is characterised in that: wanted when casting in S9
Ask temperature of aluminum liquid control at 710-730 DEG C.
6. the preparation method that a kind of automobile starter according to claim 1 drives lid, it is characterised in that: when casting in S9,
Every 1.5h adds an al-sr alloy into cast aluminium liquid to be poured.
7. the preparation method that a kind of automobile starter according to claim 1 drives lid, it is characterised in that: in molten aluminum chemistry at
Divide weight percent requirement are as follows:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810837291.8A CN109136594A (en) | 2018-07-26 | 2018-07-26 | A kind of automobile starter drives the preparation method of lid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810837291.8A CN109136594A (en) | 2018-07-26 | 2018-07-26 | A kind of automobile starter drives the preparation method of lid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109136594A true CN109136594A (en) | 2019-01-04 |
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ID=64798983
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810837291.8A Pending CN109136594A (en) | 2018-07-26 | 2018-07-26 | A kind of automobile starter drives the preparation method of lid |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5413407A (en) * | 1977-07-01 | 1979-01-31 | Kobe Steel Ltd | High toughness aluminum alloy for casting and heat treatment method therefor |
| CN101368240A (en) * | 2008-08-28 | 2009-02-18 | 华泰铝轮毂（泰安）有限公司 | Novel aluminum alloy |
| CN103667816A (en) * | 2012-09-17 | 2014-03-26 | 江苏华江科技有限公司 | Process for casting spindle crank arm box shell |
| CN103691886A (en) * | 2013-12-24 | 2014-04-02 | 上海爱仕达汽车零部件有限公司 | Metal mould casting method of cylinder 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 |
-
2018
- 2018-07-26 CN CN201810837291.8A patent/CN109136594A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5413407A (en) * | 1977-07-01 | 1979-01-31 | Kobe Steel Ltd | High toughness aluminum alloy for casting and heat treatment method therefor |
| CN101368240A (en) * | 2008-08-28 | 2009-02-18 | 华泰铝轮毂（泰安）有限公司 | Novel aluminum alloy |
| CN103667816A (en) * | 2012-09-17 | 2014-03-26 | 江苏华江科技有限公司 | Process for casting spindle crank arm box shell |
| CN103691886A (en) * | 2013-12-24 | 2014-04-02 | 上海爱仕达汽车零部件有限公司 | Metal mould casting method of cylinder 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 |
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Application publication date: 20190104 |