CN110184508A - A kind of stepless transmission aluminum alloy casing and preparation method thereof - Google Patents
A kind of stepless transmission aluminum alloy casing and preparation method thereof Download PDFInfo
- Publication number
- CN110184508A CN110184508A CN201910474827.9A CN201910474827A CN110184508A CN 110184508 A CN110184508 A CN 110184508A CN 201910474827 A CN201910474827 A CN 201910474827A CN 110184508 A CN110184508 A CN 110184508A
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- aluminium
- stepless transmission
- aluminum alloy
- alloy casing
- strontium
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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
- C22C21/00—Alloys based on aluminium
- C22C21/02—Alloys based on aluminium with silicon as the next major constituent
-
- 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
- C22F1/002—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working by rapid cooling or quenching; cooling agents used therefor
-
- 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
This application discloses a kind of stepless transmission aluminum alloy casings and preparation method thereof, and group is divided into silicon, iron, magnesium, copper, chromium, manganese, titanium, zinc, nickel, lead, tin, zirconium, antimony, molybdenum, strontium and aluminium, are unlikely to deform, high temperature resistant, non-scale, light weight, do not fall off, hardness 150-200HV；Product strength is high, tensile strength 500-600MPa, yield strength 450-550MPa, surface-brightening；Fatigue resistance is good, elongation 10-20%, no bubbling.
Description
Technical field
The present invention relates to aluminum alloy materials technical field more particularly to a kind of stepless transmission aluminum alloy casing and its preparations
Method.
Background technique
Variable speed planetary driving device is the stepless speed change device of an innovation, driving is transmitted by one group of bead
Wheel disc and by the speed between driving wheel disc, and the shelf center for fixing this group of bead can move left and right, and thus concede points
Axis shape at an angle, so that the bead of left and right contact point just has different size of rotation round, so as to form speed ratio,
And the angle control of this group of bead is nonrated, so just bringing whole variable speed.
Variable speed refers to the speed change system that can continuously obtain any transmission ratio in slewing range.It can be with by variable speed
Obtain the best match of power train and engine operating condition.Common stepless transmission has hydraulic mechanical type stepless transmission and metal
Variable v-belt drive (VDT-CVT) and variable ramp type stepless transmission.
Aluminium alloy is most widely used one kind non-ferrous metal structural material in industry, in Aeronautics and Astronautics, automobile, machinery
It has been widely applied in manufacture, ship and chemical industry.The rapid development of industrial economy, the demand day to aluminum alloy piping welding structural member
Benefit increases, and the Research on Weldability enabled aluminum alloy to is also goed deep into therewith.Aluminium alloy is using most alloys at present.
Aluminium alloy density is low, but intensity is relatively high, and near or above high-quality steel, plasticity is good, can be processed into various profiles, tool
There are excellent electric conductivity, thermal conductivity and corrosion stability, be industrially widely used, usage amount is only second to steel.Some aluminium alloys can be adopted
Good mechanical performance, physical property and corrosion resistance are obtained with heat treatment.Duralumin, hard alumin ium alloy belongs to AI-Cu-Mg system, generally contains
There is a small amount of Mn, heat-treatable strengthened is its main feature is that hardness is big, but plasticity is poor.Superduralumin belongs to mono- Cu of Al-Mg-Zn system, can
Heat treatment reinforcement, is the highest aluminium alloy of intensity, but poor corrosion resistance at room temperature, and hot mastication is fast.Forging aluminium alloy is mainly
Al-Zn-Mg-Si system alloy, although addition element type is more, content is few, thus has excellent thermoplasticity, is suitable for
Forging, therefore also known as reflectal.
Behaviors of Deformed Aluminum Alloys can bear pressure processing.It can be processed into the aluminium alloy material of various forms, specification.Mainly for the manufacture of
Air material, door and window for building etc..Behaviors of Deformed Aluminum Alloys is divided into not heat-treatable strengthened type aluminium alloy and heat-treatable strengthened type again
Aluminium alloy.Not heat-treatable strengthened type cannot improve mechanical performance by being heat-treated, and can only be realized by cold deformation
Strengthen, it mainly includes rafifinal, industrial rafifinal, commercial-purity aluminium and rustproof aluminum alloy etc..Heat-treatable strengthened type aluminium alloy can
To improve mechanical performance by heat treatments such as quenching and timeliness, it can be divided into duralumin, wrought aluminium, superduralumin and special aluminium and close
Gold etc..
Cast aluminium alloy gold can according to chemical composition be divided into alusil alloy, aluminium copper, almag, alumin(i)um zinc alloy and aluminium rare earth
Alloy, wherein alusil alloy has a hyper eutectic silicon aluminium alloy again, eutectic silico-aluminum, Dan Gongjing silico-aluminum, and cast aluminium alloy gold exists
It is used under as cast condition.
Summary of the invention
The present invention provides a kind of stepless transmission aluminum alloy casing and preparation method thereof, solves existing aluminum alloy casing material
Intensity is low, hardness is low and the technical problems such as easily-deformable.
The invention adopts the following technical scheme: a kind of stepless transmission aluminum alloy casing, the stepless transmission aluminium alloy
The component of shell is as follows by mass percentage: silicon 7.5-9.5%, iron 0.7-1.0%, magnesium 0.08-0.1%, copper 1.0-3.0%, chromium
0.05-0.25%, manganese 0.3-0.5%, titanium 0.05-0.15%, zinc 1.0-3.0%, nickel 0.1-0.5%, lead 0.06-0.08%, tin 0.01-
0.03%, zirconium 0.01-0.03%, antimony 0.02-0.04%, molybdenum 0.04-0.06%, 0.05-0.07 parts of strontium, surplus is aluminium.
As a preferred technical solution of the present invention: the component of the stepless transmission aluminum alloy casing presses quality percentage
Number meter is as follows: silicon 7.5%, iron 0.7%, magnesium 0.08%, copper 1.0%, chromium 0.05%, manganese 0.3%, titanium 0.05%, zinc 1.0%, nickel 0.1%, lead
0.06%, tin 0.01%, zirconium 0.01%, antimony 0.02%, molybdenum 0.04%, 0.05 part of strontium, surplus is aluminium.
As a preferred technical solution of the present invention: the component of the stepless transmission aluminum alloy casing presses quality percentage
Number meter is as follows: silicon 9.5%, iron 1.0%, magnesium 0.1%, copper 3.0%, chromium 0.25%, manganese 0.5%, titanium 0.15%, zinc 3.0%, nickel 0.5%, lead
0.08%, tin 0.03%, zirconium 0.03%, antimony 0.04%, molybdenum 0.06%, 0.07 part of strontium, surplus is aluminium.
As a preferred technical solution of the present invention: the component of the stepless transmission aluminum alloy casing presses quality percentage
Number meter is as follows: silicon 8.5%, iron 0.9%, magnesium 0.09%, copper 2.0%, chromium 0.15%, manganese 0.4%, titanium 0.1%, zinc 2.0%, nickel 0.3%, lead
0.07%, tin 0.02%, zirconium 0.02%, antimony 0.03%, molybdenum 0.05%, 0.06 part of strontium, surplus is aluminium.
A kind of preparation method of stepless transmission aluminum alloy casing, step are as follows:
Step 1: weighing silicon, iron, magnesium, copper, chromium, manganese, titanium, zinc, nickel, lead, tin, zirconium, antimony, molybdenum, strontium and aluminium by mass percentage
Aluminium is heated to 760-780 DEG C in smelting furnace and is allowed to melt completely by raw material, and gas and impurity in molten aluminum is precipitated, is warming up to
1850-1950 DEG C, remaining ingredient is sequentially added by the sequence of fusing point from high to low, after remaining ingredient all melting, goes to clean
Matter pours into mold and casts；
Step 2: it is uniform to carry out twin-stage by being cooled to room temperature after de-scaling, fixed width, roughing and finish rolling for the ingot casting that casting is obtained
Change processing；
Step 3: the temperature of first order homogenization is 440-480 DEG C, time 10-20h, the temperature of second level homogenization is 460-
500 DEG C, homogenization time 20-30h, peeling is carried out to the ingot casting after homogenization, saw is cut and obtains blank；
Step 4: then carrying out thermal deformation working process to blank obtains alloy product, solution treatment is carried out to alloy product, so
After be transferred in glowing furnace, be made after water cooling to room temperature.
As a preferred technical solution of the present invention: the solid solution temperature is 460-480 DEG C, and the processing time is 1-
4h。
Beneficial effect
A kind of stepless transmission aluminum alloy casing of the present invention and preparation method thereof uses above technical scheme and the prior art
It compares, has following technical effect that 1, is unlikely to deform, high temperature resistant, non-scale, light weight are not fallen off, hardness 150-200HV；2,
Product strength is high, tensile strength 500-600MPa, yield strength 450-550MPa, surface-brightening；3, fatigue resistance is good, elongation
10-20%, no bubbling, preparation method is simple, and component is simple and easy to get, can be used for bicycle buncher aluminum alloy casing.
Specific embodiment
Below in conjunction with example, the invention will be further described, and embodiment is only used for that the present invention will be described, not
Constitute limitation to scope of the claims, it may occur to persons skilled in the art that other alternative means, in right of the present invention
In claimed range.
Embodiment 1:
Step 1: weighing silicon 7.5%, iron 0.7%, magnesium 0.08%, copper 1.0%, chromium 0.05%, manganese 0.3%, titanium according to mass percentage
0.05%, zinc 1.0%, nickel 0.1%, lead 0.06%, tin 0.01%, zirconium 0.01%, antimony 0.02%, molybdenum 0.04%, 0.05 part of strontium, surplus is aluminium
Raw material.
It is allowed to melt completely step 2: aluminium to be heated to 760 DEG C in smelting furnace, gas and impurity in molten aluminum is precipitated,
1850 DEG C are warming up to, sequentially adds remaining ingredient by the sequence of fusing point from high to low, after remaining ingredient all melting, goes to clean
Matter pours into mold and casts.
Step 3: the ingot casting that casting is obtained carries out twin-stage by being cooled to room temperature after de-scaling, fixed width, roughing and finish rolling
Homogenization Treatments.
Step 4: the temperature of first order homogenization is 440 DEG C, time 10h, the temperature of second level homogenization is 460 DEG C,
Homogenisation times are 20h, carry out peeling to the ingot casting after homogenization, cut saw and obtain blank.
Step 5: then carrying out thermal deformation working process to blank obtains alloy product, alloy product is carried out at solid solution
Reason, the solid solution temperature are 460 DEG C, and the processing time is 1h, is then transferred into glowing furnace, is made after water cooling to room temperature.
It is unlikely to deform, high temperature resistant, non-scale, light weight are not fallen off, hardness 167HV；Product strength is high, tensile strength
533MPa, yield strength 481MPa, surface-brightening；Fatigue resistance is good, and elongation 12.7%, no bubbling, preparation method is simple, group
It is point simple and easy to get, it can produce extensively and constantly instead of current material.
Embodiment 2:
Step 1: weighing silicon 9.5%, iron 1.0%, magnesium 0.1%, copper 3.0%, chromium 0.25%, manganese 0.5%, titanium according to mass percentage
0.15%, zinc 3.0%, nickel 0.5%, lead 0.08%, tin 0.03%, zirconium 0.03%, antimony 0.04%, molybdenum 0.06%, 0.07 part of strontium, surplus are
Aluminium.
It is allowed to melt completely step 2: aluminium to be heated to 780 DEG C in smelting furnace, gas and impurity in molten aluminum is precipitated,
1950 DEG C are warming up to, sequentially adds remaining ingredient by the sequence of fusing point from high to low, after remaining ingredient all melting, goes to clean
Matter pours into mold and casts.
Step 3: the ingot casting that casting is obtained carries out twin-stage by being cooled to room temperature after de-scaling, fixed width, roughing and finish rolling
Homogenization Treatments.
Step 4: the temperature of first order homogenization is 480 DEG C, time 20h, the temperature of second level homogenization is 500 DEG C,
Homogenisation times are 30h, carry out peeling to the ingot casting after homogenization, cut saw and obtain blank.
Step 5: then carrying out thermal deformation working process to blank obtains alloy product, alloy product is carried out at solid solution
Reason, the solid solution temperature are 480 DEG C, and the processing time is 4h, is then transferred into glowing furnace, is made after water cooling to room temperature.
It is unlikely to deform, high temperature resistant, non-scale, light weight are not fallen off, hardness 191HV；Product strength is high, tensile strength
582MPa, yield strength 531MPa, surface-brightening；Fatigue resistance is good, and elongation 16.4%, no bubbling, preparation method is simple, group
It is point simple and easy to get, it can produce extensively and constantly instead of current material.
Embodiment 3:
Step 1: weighing silicon 8.5%, iron 0.9%, magnesium 0.09%, copper 2.0%, chromium 0.15%, manganese 0.4%, titanium according to mass percentage
0.1%, zinc 2.0%, nickel 0.3%, lead 0.07%, tin 0.02%, zirconium 0.02%, antimony 0.03%, molybdenum 0.05%, 0.06 part of strontium, surplus is aluminium.
It is allowed to melt completely step 2: aluminium to be heated to 770 DEG C in smelting furnace, gas and impurity in molten aluminum is precipitated,
1900 DEG C are warming up to, sequentially adds remaining ingredient by the sequence of fusing point from high to low, after remaining ingredient all melting, goes to clean
Matter pours into mold and casts.
Step 3: the ingot casting that casting is obtained carries out twin-stage by being cooled to room temperature after de-scaling, fixed width, roughing and finish rolling
Homogenization Treatments.
Step 4: the temperature of first order homogenization is 460 DEG C, time 15h, the temperature of second level homogenization is 480 DEG C,
Homogenisation times are 25h, carry out peeling to the ingot casting after homogenization, cut saw and obtain blank.
Step 5: then carrying out thermal deformation working process to blank obtains alloy product, alloy product is carried out at solid solution
Reason, is then transferred into glowing furnace, is made after water cooling to room temperature.
It is unlikely to deform, high temperature resistant, non-scale, light weight are not fallen off, hardness 200HV；Product strength is high, tensile strength
600MPa, yield strength 550MPa, surface-brightening；Fatigue resistance is good, elongation 20%, no bubbling.
Claims (6)
1. a kind of stepless transmission aluminum alloy casing, which is characterized in that the component of the stepless transmission aluminum alloy casing presses matter
It is as follows to measure percentage meter: silicon 7.5-9.5%, iron 0.7-1.0%, magnesium 0.08-0.1%, copper 1.0-3.0%, chromium 0.05-0.25%, manganese
0.3-0.5%, titanium 0.05-0.15%, zinc 1.0-3.0%, nickel 0.1-0.5%, lead 0.06-0.08%, tin 0.01-0.03%, zirconium 0.01-
0.03%, antimony 0.02-0.04%, molybdenum 0.04-0.06%, 0.05-0.07 parts of strontium, surplus is aluminium.
2. a kind of stepless transmission aluminum alloy casing according to claim 1, which is characterized in that the stepless transmission aluminium
The component of alloy shell is as follows by mass percentage: silicon 7.5%, iron 0.7%, magnesium 0.08%, copper 1.0%, chromium 0.05%, manganese 0.3%,
Titanium 0.05%, zinc 1.0%, nickel 0.1%, lead 0.06%, tin 0.01%, zirconium 0.01%, antimony 0.02%, molybdenum 0.04%, 0.05 part of strontium, surplus are
Aluminium.
3. a kind of stepless transmission aluminum alloy casing according to claim 1, which is characterized in that the stepless transmission aluminium
The component of alloy shell is as follows by mass percentage: silicon 9.5%, iron 1.0%, magnesium 0.1%, copper 3.0%, chromium 0.25%, manganese 0.5%,
Titanium 0.15%, zinc 3.0%, nickel 0.5%, lead 0.08%, tin 0.03%, zirconium 0.03%, antimony 0.04%, molybdenum 0.06%, 0.07 part of strontium, surplus are
Aluminium.
4. a kind of stepless transmission aluminum alloy casing according to claim 1, which is characterized in that the stepless transmission aluminium
The component of alloy shell is as follows by mass percentage: silicon 8.5%, iron 0.9%, magnesium 0.09%, copper 2.0%, chromium 0.15%, manganese 0.4%,
Titanium 0.1%, zinc 2.0%, nickel 0.3%, lead 0.07%, tin 0.02%, zirconium 0.02%, antimony 0.03%, molybdenum 0.05%, 0.06 part of strontium, surplus are
Aluminium.
5. the preparation method of stepless transmission aluminum alloy casing described in a kind of claim 1, which is characterized in that step are as follows:
Step 1: weighing silicon, iron, magnesium, copper, chromium, manganese, titanium, zinc, nickel, lead, tin, zirconium, antimony, molybdenum, strontium and aluminium by mass percentage
Aluminium is heated to 760-780 DEG C in smelting furnace and is allowed to melt completely by raw material, and gas and impurity in molten aluminum is precipitated, is warming up to
1850-1950 DEG C, remaining ingredient is sequentially added by the sequence of fusing point from high to low, after remaining ingredient all melting, goes to clean
Matter pours into mold and casts；
Step 2: it is uniform to carry out twin-stage by being cooled to room temperature after de-scaling, fixed width, roughing and finish rolling for the ingot casting that casting is obtained
Change processing；
Step 3: the temperature of first order homogenization is 440-480 DEG C, time 10-20h, the temperature of second level homogenization is 460-
500 DEG C, homogenization time 20-30h, peeling is carried out to the ingot casting after homogenization, saw is cut and obtains blank；
Step 4: then carrying out thermal deformation working process to blank obtains alloy product, solution treatment is carried out to alloy product, so
After be transferred in glowing furnace, be made after water cooling to room temperature.
6. the preparation method of stepless transmission aluminum alloy casing according to claim 5, it is characterised in that: the solution treatment
Temperature is 460-480 DEG C, and the processing time is 1-4h.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111139381A (en) * | 2020-01-08 | 2020-05-12 | 保定隆达铝业有限公司 | Aluminum alloy structural member material and preparation method thereof |
| CN111321327A (en) * | 2020-03-19 | 2020-06-23 | 滁州市爱科知识产权代理有限公司 | Hollow piston of automobile air-conditioning compressor and production method thereof |
| CN111349828A (en) * | 2020-03-19 | 2020-06-30 | 滁州市爱科知识产权代理有限公司 | Swash plate of automobile air conditioner compressor and production method thereof |
| CN114480926A (en) * | 2022-01-27 | 2022-05-13 | 济南润祥新材料科技有限公司 | Alloy material for hydraulic pump body of mower and preparation method |
| CN114774740A (en) * | 2022-06-22 | 2022-07-22 | 上海嘉朗实业南通智能科技有限公司 | High-strength high-plasticity die-casting aluminum alloy material and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104364409A (en) * | 2012-06-15 | 2015-02-18 | 美铝公司 | Improved aluminum alloys and methods for producing the same |
| CN105177381A (en) * | 2015-09-30 | 2015-12-23 | 重庆双驰门窗有限公司 | Aluminum alloy material for manufacturing doors and windows |
| CN105671384A (en) * | 2016-01-07 | 2016-06-15 | 瑞声光电科技(常州)有限公司 | Aluminum alloy and preparation method thereof |
| CN105886858A (en) * | 2016-04-29 | 2016-08-24 | 江苏车谷新材料有限公司 | Aluminum alloy wheel hub and manufacturing method thereof |
| CN107747012A (en) * | 2017-10-31 | 2018-03-02 | 张家港市德发内燃机配件有限公司 | A kind of cylinder head for improving intensity |
-
2019
- 2019-06-03 CN CN201910474827.9A patent/CN110184508A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104364409A (en) * | 2012-06-15 | 2015-02-18 | 美铝公司 | Improved aluminum alloys and methods for producing the same |
| CN105177381A (en) * | 2015-09-30 | 2015-12-23 | 重庆双驰门窗有限公司 | Aluminum alloy material for manufacturing doors and windows |
| CN105671384A (en) * | 2016-01-07 | 2016-06-15 | 瑞声光电科技(常州)有限公司 | Aluminum alloy and preparation method thereof |
| CN105886858A (en) * | 2016-04-29 | 2016-08-24 | 江苏车谷新材料有限公司 | Aluminum alloy wheel hub and manufacturing method thereof |
| CN107747012A (en) * | 2017-10-31 | 2018-03-02 | 张家港市德发内燃机配件有限公司 | A kind of cylinder head for improving intensity |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111139381A (en) * | 2020-01-08 | 2020-05-12 | 保定隆达铝业有限公司 | Aluminum alloy structural member material and preparation method thereof |
| CN111321327A (en) * | 2020-03-19 | 2020-06-23 | 滁州市爱科知识产权代理有限公司 | Hollow piston of automobile air-conditioning compressor and production method thereof |
| CN111349828A (en) * | 2020-03-19 | 2020-06-30 | 滁州市爱科知识产权代理有限公司 | Swash plate of automobile air conditioner compressor and production method thereof |
| CN114480926A (en) * | 2022-01-27 | 2022-05-13 | 济南润祥新材料科技有限公司 | Alloy material for hydraulic pump body of mower and preparation method |
| CN114774740A (en) * | 2022-06-22 | 2022-07-22 | 上海嘉朗实业南通智能科技有限公司 | High-strength high-plasticity die-casting aluminum alloy material and preparation method thereof |
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