CN109500552A - A kind of roof carrier for vehicles profile and preparation method thereof - Google Patents
A kind of roof carrier for vehicles profile and preparation method thereof Download PDFInfo
- Publication number
- CN109500552A CN109500552A CN201811572566.6A CN201811572566A CN109500552A CN 109500552 A CN109500552 A CN 109500552A CN 201811572566 A CN201811572566 A CN 201811572566A CN 109500552 A CN109500552 A CN 109500552A
- Authority
- CN
- China
- Prior art keywords
- aluminium alloy
- temperature
- alloy cast
- roof carrier
- cast rod
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Materials Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Body Structure For Vehicles (AREA)
- Extrusion Of Metal (AREA)
- Continuous Casting (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
Abstract
The present invention relates to a kind of roof carrier for vehicles profiles and preparation method thereof, the preparation step of profile is as follows: selecting the aluminium alloy cast rod of siliceous, magnesium, copper, manganese, chromium, molybdenum, nickel, tungsten, cobalt, by aluminium alloy cast rod heating, heat preservation, then it will be quenched after the aluminium alloy cast rod cooling of heating, then quenched aluminium alloy cast rod be subjected to tempering；By extrusion die heating, heat preservation, and barrel heating will be squeezed out, aluminium alloy cast rod is then put into extrusion cylinder, the aluminium alloy cast rod in extrusion cylinder is pushed to squeeze out from the die orifice of extrusion die, forms extrudate；Air-cooled cooling is carried out to the extrudate at extrusion die die orifice, so that the temperature of extrudate is lower than 530 DEG C at die orifice；It is aligned when profile is cooled to 50 DEG C or less, sawing, timeliness, obtains roof carrier for vehicles profile.The roof carrier for vehicles profile that the present invention is prepared tensile strength, Proof strength of non-proportional, elongation percentage, in terms of function admirable.
Description
Technical field
The present invention relates to a kind of roof carrier for vehicles profiles and preparation method thereof, belong to the manufacturing technology field of automobile accessory.
Background technique
Roof carrier for vehicles, which refers to, is mounted on roof or vehicle body, is easily carried the bracket of luggage and articles.Current luggage carrier
Majority uses stainless steel material, and although the luggage carrier of stainless steel material is not easy to get rusty, but its price is more expensive, and quality is big, no
Conducive to the light-weighted developing direction of vehicle.
Aluminium alloy luggage rack is light-weighted because having the advantages that, so that load-carrying vehicle, car, rail vehicle vehicle body have reached light weight
The effect of change, according to the report of US aluminum association, every use 0.45kg aluminium just can reduce car weight 1kg on automobile, theoretically aluminum
Automobile can be than steel automobile loss of weight 40% or so.But the hot spot that aluminum alloy materials are studied as current automotive material, power
The problems such as to learn that performance is poor, and there are tensile strength low, elongation percentage is small, curvature is excessive, therefore the current less conduct of aluminium alloy
Roof carrier for vehicles.
Summary of the invention
The technical problem to be solved by the present invention is low for tensile strength existing for the existing aluminium alloy roof carrier for vehicles of solution,
The technical problem that elongation percentage is small, curvature is excessive provides a kind of roof carrier for vehicles profile and preparation method thereof.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of preparation method of roof carrier for vehicles profile, steps are as follows:
Prepare casting rod: selection aluminium alloy cast rod, the aluminium alloy cast rod include the component of following parts by weight: 0.15~
0.35wt% silicon, 0.45~0.65wt% magnesium, 0.55~0.80wt% copper, 0.50~0.80wt% manganese, 0.90~1.20wt%
Chromium, 0.15~0.30wt% molybdenum, 0.85~1.30wt% nickel, 1.50~2.30wt% tungsten, 0.70~1.30wt% cobalt, remaining is
Aluminium；
Casting rod heat treatment: the aluminium alloy cast rod is heated to 510~540 DEG C, keeps the temperature 5~7h；Then by the aluminium of heating
Alloy casting rod is cooled to 50 DEG C hereinafter, temperature is 550~600 DEG C, soaking time is 2~5h, transfer time < 30s, cooling
The temperature of liquid quenches under conditions of being 35 DEG C of <；Again by quenched aluminium alloy cast rod when temperature is 360~420 DEG C, keeps the temperature
Between to carry out tempering under conditions of 2~5h；This operation can obtain fine and close tissue and good mechanical property；
It squeezes: extrusion die is heated to 450~530 DEG C, keep the temperature 1~3h, and be heated to 390~450 for barrel is squeezed out
DEG C, aluminium alloy cast rod is then put into extrusion cylinder, the aluminium alloy cast rod in extrusion cylinder is pushed to squeeze out from the die orifice of extrusion die,
Form extrudate；
It is air-cooled: air-cooled cooling is carried out to the extrudate at extrusion die die orifice so that at die orifice extrudate temperature
Lower than 530 DEG C；
Aligning: it is aligned when profile is cooled to 50 DEG C or less；
Sawing: sawing is carried out to the profile after aligning；
Timeliness: by the profile after sawing under conditions of temperature is 160~190 DEG C, soaking time is 6~10h timeliness, obtain
Roof carrier for vehicles profile.
Preferably, component of the aluminium alloy cast rod comprising following parts by weight: 0.20~0.30wt% silicon, 0.50~
0.60wt% magnesium, 0.60~0.80wt% copper, 0.60~0.80wt% manganese, 0.90~1.00wt% chromium, 0.20~0.30wt%
Molybdenum, 0.90~1.10wt% nickel, 1.80~2.00wt% tungsten, 0.80~1.00wt% cobalt, remaining is aluminium.
Preferably, the aluminium alloy cast rod the preparation method comprises the following steps: by all in addition to aluminium in the component of aluminium alloy cast rod
It in component investment smelting furnace and is heated to 760-780 DEG C, melts its all, the component of fusing is stirred, is then added
Aluminium ingot, temperature be 760-780 DEG C at a temperature of melting 20-40 minute, then press smelting furnace in metal quality 0.2~
Coverture is added in 0.4wt%, continues melting under conditions of 760-780 DEG C of temperature, melts the material in smelting furnace all, obtains
To melt；Wherein, the coverture is Na3AlF6、Na2CO3With the mixture of NaCl；
Melt is stirred, ZnCl is added by 0.2~0.4wt% of melt quality2, the temperature for being 760-780 DEG C in temperature
Degree is lower to refine 1-2h, obtains molten aluminium alloy；
It will under conditions of temperature is 700~730 DEG C, hydraulic pressure is 0.05~0.1MPa, speed is 160~200mm/min
Resulting molten aluminium alloy is cast as aluminium alloy cast rod.
Preferably, the Na that the coverture is 30-40:30-40:20-30 by mass ratio3AlF6、NaCO3It is mixed with NaCl
It forms.
Preferably, the process parameter control of pressing steps is as follows: squeezing temperature is 440-510 DEG C, and extrusion coefficient λ is 15-
30, extrusion speed 5-8/mmin-1。
Preferably, it is 10~20 DEG C/min that aluminium alloy cast rod, which is heated to 510~540 DEG C of the rate of heat addition,.
Preferably, the air-cooled air quantity is 80~100m3/min。
Preferably, prepare to further include carrying out railway carriage processing to the casting rod in casting rod step.
The present invention also provides a kind of roof carrier for vehicles profiles prepared using above-mentioned technique.
The present invention also provides a kind of roof carrier for vehicles prepared using above-mentioned roof carrier for vehicles profile.
The beneficial effects of the present invention are:
The present invention has chosen the aluminium alloy of specific composition, aluminium alloy cast rod is successively taken heat treatment, extruding, it is air-cooled,
The processes such as aligning, sawing, timeliness, and selected suitable temperature, especially heat treatment process successively by adding each process
Heat, cooling, quenching and tempering, are adjusted alloy structure, the roof carrier for vehicles profile being prepared has excellent
Comprehensive performance, tensile strength >=260MPa is, it is specified that nonproportional cyclic straining >=120N/m2, elongation percentage>=30%, curvature<
1mm, the luggage carrier which is prepared stability with higher, and be used for a long time and be unlikely to deform.
Specific embodiment
The present invention is described in further detail now.
Embodiment 1
The present embodiment provides a kind of preparation methods of roof carrier for vehicles profile, and steps are as follows:
Prepare casting rod: selection aluminium alloy cast rod carries out railway carriage processing to the casting rod；
Component of the aluminium alloy cast rod comprising following parts by weight: 0.2wt% silicon, 0.6wt% magnesium, 0.6wt% copper,
0.8wt% manganese, 0.9wt% chromium, 0.30wt% molybdenum, 0.90wt% nickel, 2.00wt% tungsten, 0.8wt% cobalt, remaining is aluminium；
The aluminium alloy cast rod the preparation method comprises the following steps: by it is above-mentioned in addition to aluminium all components investment smelting furnace in and heat
It to 770 DEG C, melts it all, the component of fusing is stirred, aluminium ingot is then added, at a temperature of temperature is 770 DEG C
Melting 30 minutes, then coverture is added by the 0.3wt% of metal quality in smelting furnace, continue to melt under conditions of 770 DEG C of temperature
Refining melts the material in smelting furnace all, obtains melt；Wherein, it is 35:35:30's that the coverture, which is mass ratio,
Na3AlF6、NaCO3With the mixture of NaCl；Melt is stirred, ZnCl is added by the 0.3wt% of melt quality2, it is in temperature
1.5h is refined at a temperature of 770 DEG C, obtains molten aluminium alloy；Temperature be 720 DEG C, hydraulic pressure 0.07MPa, speed 170mm/
Resulting molten aluminium alloy is cast as aluminium alloy cast rod under conditions of min.
Casting rod heat treatment: the aluminium alloy cast rod is heated to 530 DEG C with the rate of heat addition of 15 DEG C/min, keeps the temperature 6h；So
Afterwards by the aluminium alloy cast rod of heating be cooled to 50 DEG C hereinafter, temperature be 580 DEG C, soaking time 3h, transfer time < 30s,
The temperature of coolant liquid quenches under conditions of being 35 DEG C of <；It is again 400 DEG C, soaking time in temperature by quenched aluminium alloy cast rod
To carry out tempering under conditions of 3h；
It squeezes: extrusion die is heated to 500 DEG C, keep the temperature 2h, and be heated to 400 DEG C for barrel is squeezed out, then close aluminium
Golden casting rod is put into extrusion cylinder, and the aluminium alloy cast rod in extrusion cylinder is pushed to squeeze out from the die orifice of extrusion die, and squeezing temperature is 480
DEG C, extrusion coefficient λ is 20, extrusion speed 6/mmin-1, form extrudate；
It is air-cooled: air-cooled cooling to be carried out to the extrudate at extrusion die die orifice, air-cooled air quantity is 90m3/ min, so that
The temperature of extrudate is lower than 530 DEG C at die orifice；
Aligning: it is aligned when profile is cooled to 50 DEG C or less；
Sawing: sawing is carried out to the profile after aligning；
Timeliness: by the profile after sawing under conditions of temperature is 180 DEG C, soaking time is 8h timeliness, obtain automobile-used luggage
Frame section.
Roof carrier for vehicles profile manufactured in the present embodiment is tested for the property, as a result as follows: tensile strength 275MPa,
Proof strength of non-proportional is 140N/m2, elongation percentage 37%, curvature < 1mm.
Embodiment 2
The present embodiment provides a kind of preparation methods of roof carrier for vehicles profile, and steps are as follows:
Prepare casting rod: selection aluminium alloy cast rod carries out railway carriage processing to the casting rod；
Component of the aluminium alloy cast rod comprising following parts by weight: 0.15wt% silicon, 0.65wt% magnesium, 0.55wt% copper,
0.80wt% manganese, 0.90wt% chromium, 0.30wt% molybdenum, 0.85wt% nickel, 2.30wt% tungsten, 0.70wt% cobalt, remaining is aluminium；
The aluminium alloy cast rod the preparation method comprises the following steps: by it is above-mentioned in addition to aluminium all components investment smelting furnace in and heat
It to 760 DEG C, melts it all, the component of fusing is stirred, aluminium ingot is then added, at a temperature of temperature is 760 DEG C
Melting 40 minutes, then coverture is added by the 0.2wt% of metal quality in smelting furnace, continue to melt under conditions of 760 DEG C of temperature
Refining melts the material in smelting furnace all, obtains melt；Wherein, it is 30:40:30's that the coverture, which is mass ratio,
Na3AlF6、NaCO3With the mixture of NaCl；Melt is stirred, ZnCl is added by the 0.4wt% of melt quality2, it is in temperature
2h is refined at a temperature of 760 DEG C, obtains molten aluminium alloy；Temperature be 700 DEG C, hydraulic pressure 0.05MPa, speed 160mm/
Resulting molten aluminium alloy is cast as aluminium alloy cast rod under conditions of min.
Casting rod heat treatment: the aluminium alloy cast rod is heated to 510 DEG C with the rate of heat addition of 10 DEG C/min, keeps the temperature 7h；So
Afterwards by the aluminium alloy cast rod of heating be cooled to 50 DEG C hereinafter, temperature be 550 DEG C, soaking time 5h, transfer time < 30s,
The temperature of coolant liquid quenches under conditions of being 35 DEG C of <；It is again 360 DEG C, soaking time in temperature by quenched aluminium alloy cast rod
To carry out tempering under conditions of 5h；This operation can obtain fine and close tissue and good mechanical property；
It squeezes: extrusion die is heated to 450 DEG C, keep the temperature 3h, and be heated to 390 DEG C for barrel is squeezed out, then close aluminium
Golden casting rod is put into extrusion cylinder, and the aluminium alloy cast rod in extrusion cylinder is pushed to squeeze out from the die orifice of extrusion die, and squeezing temperature is 440
DEG C, extrusion coefficient λ is 30, extrusion speed 5/mmin-1, form extrudate；
It is air-cooled: air-cooled cooling to be carried out to the extrudate at extrusion die die orifice, air-cooled air quantity is 80m3/ min, so that
The temperature of extrudate is lower than 530 DEG C at die orifice；
Aligning: it is aligned when profile is cooled to 50 DEG C or less；
Sawing: sawing is carried out to the profile after aligning；
Timeliness: by the profile after sawing under conditions of temperature is 160 DEG C, soaking time is 10h timeliness, obtain automobile-used luggage
Frame section.
Roof carrier for vehicles profile manufactured in the present embodiment is tested for the property, as a result as follows: tensile strength 260MPa,
Proof strength of non-proportional is 120N/m2, elongation percentage 30%, curvature < 1mm.
Embodiment 3
The present embodiment provides a kind of preparation methods of roof carrier for vehicles profile, and steps are as follows:
Prepare casting rod: selection aluminium alloy cast rod carries out railway carriage processing to the casting rod；
Component of the aluminium alloy cast rod comprising following parts by weight: 0.35wt% silicon, 0.45wt% magnesium, 0.80wt% copper,
0.50wt% manganese, 1.20wt% chromium, 0.15wt% molybdenum, 1.30wt% nickel, 1.50wt% tungsten, 1.30wt% cobalt, remaining is aluminium；
The aluminium alloy cast rod the preparation method comprises the following steps: by it is above-mentioned in addition to aluminium all components investment smelting furnace in and heat
It to 780 DEG C, melts it all, the component of fusing is stirred, aluminium ingot is then added, at a temperature of temperature is 780 DEG C
Melting 20 minutes, then coverture is added by the 0.4wt% of metal quality in smelting furnace, continue to melt under conditions of 780 DEG C of temperature
Refining melts the material in smelting furnace all, obtains melt；Wherein, it is 40:40:20's that the coverture, which is mass ratio,
Na3AlF6、NaCO3With the mixture of NaCl；Melt is stirred, ZnCl is added by the 0.2wt% of melt quality2, it is in temperature
1h is refined at a temperature of 780 DEG C, obtains molten aluminium alloy；Temperature be 730 DEG C, hydraulic pressure 0.1MPa, speed 200mm/min
Under conditions of resulting molten aluminium alloy is cast as aluminium alloy cast rod.
Casting rod heat treatment: the aluminium alloy cast rod is heated to 540 DEG C with the rate of heat addition of 20 DEG C/min, keeps the temperature 5h；So
Afterwards by the aluminium alloy cast rod of heating be cooled to 50 DEG C hereinafter, temperature be 600 DEG C, soaking time 2h, transfer time < 30s,
The temperature of coolant liquid quenches under conditions of being 35 DEG C of <；It is again 420 DEG C, soaking time in temperature by quenched aluminium alloy cast rod
To carry out tempering under conditions of 2h；This operation can obtain fine and close tissue and good mechanical property；
It squeezes: extrusion die is heated to 530 DEG C, keep the temperature 1h, and be heated to 450 DEG C for barrel is squeezed out, then close aluminium
Golden casting rod is put into extrusion cylinder, and the aluminium alloy cast rod in extrusion cylinder is pushed to squeeze out from the die orifice of extrusion die, and squeezing temperature is 510
DEG C, extrusion coefficient λ is 15, extrusion speed 8/mmin-1, form extrudate；
It is air-cooled: air-cooled cooling to be carried out to the extrudate at extrusion die die orifice, air-cooled air quantity is 100m3/ min, makes
The temperature for obtaining extrudate at die orifice is lower than 530 DEG C；
Aligning: it is aligned when profile is cooled to 50 DEG C or less；
Sawing: sawing is carried out to the profile after aligning；
Timeliness: by the profile after sawing under conditions of temperature is 190 DEG C, soaking time is 6h timeliness, obtain automobile-used luggage
Frame section.
Roof carrier for vehicles profile manufactured in the present embodiment is tested for the property, as a result as follows: tensile strength 282MPa,
Proof strength of non-proportional is 151N/m2, elongation percentage 45%, curvature < 1mm.
Embodiment 4
The present embodiment provides a kind of preparation methods of roof carrier for vehicles profile, and steps are as follows:
Prepare casting rod: selection aluminium alloy cast rod carries out railway carriage processing to the casting rod；
Component of the aluminium alloy cast rod comprising following parts by weight: 0.30wt% silicon, 0.50wt% magnesium, 0.80wt% copper,
0.60wt% manganese, 1.00wt% chromium, 0.20wt% molybdenum, 1.10wt% nickel, 1.80wt% tungsten, 1.00wt% cobalt, remaining is aluminium；
The aluminium alloy cast rod the preparation method comprises the following steps: by it is above-mentioned in addition to aluminium all components investment smelting furnace in and heat
It to 760 DEG C, melts it all, the component of fusing is stirred, aluminium ingot is then added, at a temperature of temperature is 760 DEG C
Melting 30 minutes, then coverture is added by the 0.3wt% of metal quality in smelting furnace, continue to melt under conditions of 760 DEG C of temperature
Refining melts the material in smelting furnace all, obtains melt；Wherein, it is 40:30:30's that the coverture, which is mass ratio,
Na3AlF6、NaCO3With the mixture of NaCl；Melt is stirred, ZnCl is added by the 0.3wt% of melt quality2, it is in temperature
1.5h is refined at a temperature of 760 DEG C, obtains molten aluminium alloy；Temperature be 710 DEG C, hydraulic pressure 0.08MPa, speed 180mm/
Resulting molten aluminium alloy is cast as aluminium alloy cast rod under conditions of min.
Casting rod heat treatment: the aluminium alloy cast rod is heated to 530 DEG C with the rate of heat addition of 15 DEG C/min, keeps the temperature 6h；So
Afterwards by the aluminium alloy cast rod of heating be cooled to 50 DEG C hereinafter, temperature be 570 DEG C, soaking time 3h, transfer time < 30s,
The temperature of coolant liquid quenches under conditions of being 35 DEG C of <；It is again 380 DEG C, soaking time in temperature by quenched aluminium alloy cast rod
To carry out tempering under conditions of 3h；
It squeezes: extrusion die is heated to 480 DEG C, keep the temperature 2h, and be heated to 420 DEG C for barrel is squeezed out, then close aluminium
Golden casting rod is put into extrusion cylinder, and the aluminium alloy cast rod in extrusion cylinder is pushed to squeeze out from the die orifice of extrusion die, and squeezing temperature is 480
DEG C, extrusion coefficient λ is 20, extrusion speed 7/mmin-1, form extrudate；
It is air-cooled: air-cooled cooling to be carried out to the extrudate at extrusion die die orifice, air-cooled air quantity is 90m3/ min, so that
The temperature of extrudate is lower than 530 DEG C at die orifice；
Aligning: it is aligned when profile is cooled to 50 DEG C or less；
Sawing: sawing is carried out to the profile after aligning；
Timeliness: by the profile after sawing under conditions of temperature is 170 DEG C, soaking time is 7h timeliness, obtain automobile-used luggage
Frame section.
Roof carrier for vehicles profile manufactured in the present embodiment is tested for the property, as a result as follows: tensile strength 275MPa,
Proof strength of non-proportional is 138N/m2, elongation percentage 39%, curvature < 1mm.
Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.
Claims (10)
1. a kind of preparation method of roof carrier for vehicles profile, which is characterized in that steps are as follows:
Prepare casting rod: selection aluminium alloy cast rod, the aluminium alloy cast rod include the component of following parts by weight: 0.15~0.35wt%
Silicon, 0.45~0.65wt% magnesium, 0.55~0.80wt% copper, 0.50~0.80wt% manganese, 0.90~1.20wt% chromium, 0.15~
0.30wt% molybdenum, 0.85~1.30wt% nickel, 1.50~2.30wt% tungsten, 0.70~1.30wt% cobalt, remaining is aluminium；
Casting rod heat treatment: the aluminium alloy cast rod is heated to 510~540 DEG C, keeps the temperature 5~7h；Then by the aluminium alloy of heating
Casting rod is cooled to 50 DEG C hereinafter, temperature is 550~600 DEG C, soaking time is 2~5h, transfer time < 30s, coolant liquid
Temperature quenches under conditions of being 35 DEG C of <；Again by quenched aluminium alloy cast rod temperature be 360~420 DEG C, soaking time 2
Tempering is carried out under conditions of~5h；
It squeezes: extrusion die is heated to 450~530 DEG C, keep the temperature 1~3h, and be heated to 390~450 DEG C for barrel is squeezed out, so
Aluminium alloy cast rod is put into extrusion cylinder afterwards, the aluminium alloy cast rod in extrusion cylinder is pushed to squeeze out from the die orifice of extrusion die, is formed
Extrudate；
It is air-cooled: air-cooled cooling to be carried out to the extrudate at extrusion die die orifice, so that the temperature of extrudate is lower than at die orifice
530℃；
Aligning: it is aligned when profile is cooled to 50 DEG C or less；
Sawing: sawing is carried out to the profile after aligning；
Timeliness: by the profile after sawing under conditions of temperature is 160~190 DEG C, soaking time is 6~10h timeliness, obtain automobile-used
Luggage frame section.
2. the preparation method of roof carrier for vehicles profile according to claim 1, which is characterized in that the aluminium alloy cast rod packet
Component containing following parts by weight: 0.20~0.30wt% silicon, 0.50~0.60wt% magnesium, 0.60~0.80wt% copper, 0.60~
0.80wt% manganese, 0.90~1.00wt% chromium, 0.20~0.30wt% molybdenum, 0.90~1.10wt% nickel, 1.80~2.00wt%
Tungsten, 0.80~1.00wt% cobalt, remaining is aluminium.
3. the preparation method of roof carrier for vehicles profile according to claim 1 or 2, which is characterized in that the aluminium alloy casting
Stick the preparation method comprises the following steps: by the component of aluminium alloy cast rod in addition to aluminium all components investment smelting furnace in and be heated to 760-
It 780 DEG C, melts it all, the component of fusing is stirred, aluminium ingot is then added, the temperature for being 760-780 DEG C in temperature
Lower melting 20-40 minutes, then coverture is added by 0.2~0.4wt% of metal quality in smelting furnace, at 760-780 DEG C of temperature
Under conditions of continue melting, melt material in smelting furnace all, obtain melt；Wherein, the coverture is Na3AlF6、
Na2CO3With the mixture of NaCl；
Melt is stirred, ZnCl is added by 0.2~0.4wt% of melt quality2, the essence at a temperature of temperature is 760-780 DEG C
1-2h is refined, molten aluminium alloy is obtained；
By gained under conditions of temperature is 700~730 DEG C, hydraulic pressure is 0.05~0.1MPa, speed is 160~200mm/min
Molten aluminium alloy be cast as aluminium alloy cast rod.
4. the preparation method of roof carrier for vehicles profile according to claim 3, which is characterized in that the coverture is by quality
Than the Na for 30-40:30-40:20-303AlF6、NaCO3It is mixed with NaCl.
5. the preparation method of roof carrier for vehicles profile according to claim 1-4, which is characterized in that pressing steps
Process parameter control it is as follows: squeeze temperature be 440-510 DEG C, extrusion coefficient λ be 15-30, extrusion speed 5-8/mmin-1。
6. the preparation method of roof carrier for vehicles profile according to claim 1-5, which is characterized in that aluminium alloy casting
The rate of heat addition that stick is heated to 510~540 DEG C is 10~20 DEG C/min.
7. the preparation method of roof carrier for vehicles profile according to claim 1-6, which is characterized in that described air-cooled
Air quantity be 80~100m3/min。
8. the preparation method of roof carrier for vehicles profile according to claim 1-7, which is characterized in that prepare casting rod
It further include that railway carriage processing is carried out to the casting rod in step.
9. a kind of roof carrier for vehicles profile using the described in any item method preparations of claim 1-8.
10. a kind of roof carrier for vehicles prepared using roof carrier for vehicles profile as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811572566.6A CN109500552B (en) | 2018-12-21 | 2018-12-21 | Vehicle luggage rack section bar and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811572566.6A CN109500552B (en) | 2018-12-21 | 2018-12-21 | Vehicle luggage rack section bar and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109500552A true CN109500552A (en) | 2019-03-22 |
| CN109500552B CN109500552B (en) | 2020-04-24 |
Family
ID=65754113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811572566.6A Active CN109500552B (en) | 2018-12-21 | 2018-12-21 | Vehicle luggage rack section bar and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109500552B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114769345A (en) * | 2022-04-26 | 2022-07-22 | 广东金协成铝业有限公司 | Manufacturing method of high-strength 6008 alloy extruded section and extruded section |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2848368B2 (en) * | 1996-12-20 | 1999-01-20 | 日本軽金属株式会社 | Manufacturing method of aluminum alloy for compressor parts with excellent wear resistance and toughness |
| CN101558177A (en) * | 2006-12-13 | 2009-10-14 | 住友轻金属工业株式会社 | High-strength aluminum-base alloy products and process for production thereof |
| CN103103415A (en) * | 2012-12-11 | 2013-05-15 | 芜湖恒坤汽车部件有限公司 | Smelting and preparation method of aluminum alloy profile |
| CN104651685A (en) * | 2015-03-09 | 2015-05-27 | 苏州圣谱拉新材料科技有限公司 | Aluminum magnesium alloy material and preparation method thereof |
| CN106834986A (en) * | 2017-03-07 | 2017-06-13 | 烟台南山学院 | A kind of aviation alloyed aluminium homogenizing heat treatment |
| CN108441711A (en) * | 2018-03-06 | 2018-08-24 | 淮北富士特铝业有限公司 | A kind of anticorrosion aluminium ally section and its production technology |
-
2018
- 2018-12-21 CN CN201811572566.6A patent/CN109500552B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2848368B2 (en) * | 1996-12-20 | 1999-01-20 | 日本軽金属株式会社 | Manufacturing method of aluminum alloy for compressor parts with excellent wear resistance and toughness |
| CN101558177A (en) * | 2006-12-13 | 2009-10-14 | 住友轻金属工业株式会社 | High-strength aluminum-base alloy products and process for production thereof |
| CN103103415A (en) * | 2012-12-11 | 2013-05-15 | 芜湖恒坤汽车部件有限公司 | Smelting and preparation method of aluminum alloy profile |
| CN104651685A (en) * | 2015-03-09 | 2015-05-27 | 苏州圣谱拉新材料科技有限公司 | Aluminum magnesium alloy material and preparation method thereof |
| CN106834986A (en) * | 2017-03-07 | 2017-06-13 | 烟台南山学院 | A kind of aviation alloyed aluminium homogenizing heat treatment |
| CN108441711A (en) * | 2018-03-06 | 2018-08-24 | 淮北富士特铝业有限公司 | A kind of anticorrosion aluminium ally section and its production technology |
Non-Patent Citations (2)
| Title |
|---|
| 丰洪微: "《铸造合金及熔炼技术》", 31 December 2013, 冶金工业出版社 * |
| 孙伟成: "《稀土在铝合金中的行为》", 31 March 1992, 兵器工业出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114769345A (en) * | 2022-04-26 | 2022-07-22 | 广东金协成铝业有限公司 | Manufacturing method of high-strength 6008 alloy extruded section and extruded section |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109500552B (en) | 2020-04-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103725932B (en) | A kind of High-strength silicon, magnesium, manganese-aluminum bar and preparation method thereof | |
| CN102330004B (en) | Manufacturing method for aluminum alloy die forgings | |
| CN109385555B (en) | Copper-chromium-zirconium alloy and preparation method thereof | |
| CN101660883B (en) | Manufacturing method of vehicle aluminum alloy radiating fin | |
| CN102337435B (en) | Aluminum alloy pipe and manufacture method thereof | |
| CN103276264B (en) | Low-cost and high-heat-strength wrought magnesium alloy and preparation method thereof | |
| CN103031470A (en) | Aluminum alloy and casting method thereof, and method for extruding profile | |
| CN101717870B (en) | Method for manufacturing aluminum alloy bar for rail wagon body rivets | |
| CN105543540A (en) | Copper chromium zirconium alloy and preparing method thereof | |
| CN108103371B (en) | A kind of high-performance space flight fastener aluminium alloy wires production method | |
| CN101538667B (en) | High-strength and wear-resistant cocrystallized Al-Si alloy forging stock material and preparation method thereof | |
| CN110317970A (en) | A kind of Cu-Cr-Zr alloy, preparation method and applications | |
| CN108774703A (en) | A kind of high-strength light magnesium alloy and preparation method thereof containing Li | |
| CN108441711A (en) | A kind of anticorrosion aluminium ally section and its production technology | |
| CN109500552A (en) | A kind of roof carrier for vehicles profile and preparation method thereof | |
| CN108555477B (en) | Magnesium alloy welding wire and preparation method thereof | |
| CN101717882A (en) | Aluminum alloy bar for rail wagon body rivets | |
| CN105648290A (en) | High-strength aluminum alloy and preparation method thereof | |
| CN107805733B (en) | A kind of polynary height leads beraloy and preparation method thereof | |
| CN115505797A (en) | 6-series aluminum alloy bar and preparation method and application thereof | |
| CN106756336A (en) | A kind of aluminium alloy wheel hub and its production technology | |
| CN108220712A (en) | A kind of smelting preparation method of high-strength aluminum alloy section | |
| CN113500174A (en) | Ultra-high strength lightweight fixed support | |
| CN110106400A (en) | A kind of high-strength corrosion-resisting aluminium alloy extruded product and its manufacturing method | |
| CN108220635A (en) | A kind of smelting preparation method of anti-impact jewelling alloy profile |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |