CN106756586B - A kind of automobile engine outlet flange and its production technology - Google Patents
A kind of automobile engine outlet flange and its production technology Download PDFInfo
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- CN106756586B CN106756586B CN201611176291.5A CN201611176291A CN106756586B CN 106756586 B CN106756586 B CN 106756586B CN 201611176291 A CN201611176291 A CN 201611176291A CN 106756586 B CN106756586 B CN 106756586B
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- 238000005516 engineering process Methods 0.000 title abstract description 5
- 238000004519 manufacturing process Methods 0.000 title abstract description 5
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 56
- 239000010959 steel Substances 0.000 claims abstract description 56
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 30
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 61
- 150000002910 rare earth metals Chemical class 0.000 claims description 59
- 229910052751 metal Inorganic materials 0.000 claims description 40
- 239000002184 metal Substances 0.000 claims description 39
- 238000000576 coating method Methods 0.000 claims description 26
- 239000011248 coating agent Substances 0.000 claims description 25
- 229910052804 chromium Inorganic materials 0.000 claims description 17
- 229910052759 nickel Inorganic materials 0.000 claims description 17
- 229910052802 copper Inorganic materials 0.000 claims description 16
- 229910052749 magnesium Inorganic materials 0.000 claims description 16
- 229910052750 molybdenum Inorganic materials 0.000 claims description 16
- 229910052719 titanium Inorganic materials 0.000 claims description 16
- 229910052721 tungsten Inorganic materials 0.000 claims description 16
- 229910052684 Cerium Inorganic materials 0.000 claims description 11
- 229910052693 Europium Inorganic materials 0.000 claims description 11
- 229910052779 Neodymium Inorganic materials 0.000 claims description 11
- 229910052772 Samarium Inorganic materials 0.000 claims description 11
- 239000012535 impurity Substances 0.000 claims description 11
- 238000001816 cooling Methods 0.000 claims description 10
- 239000000843 powder Substances 0.000 claims description 10
- 229910052799 carbon Inorganic materials 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 5
- 238000002360 preparation method Methods 0.000 claims description 5
- 238000005507 spraying Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 241001062472 Stokellia anisodon Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000003026 anti-oxygenic effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 229910001120 nichrome Inorganic materials 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/10—Ferrous alloys, e.g. steel alloys containing cobalt
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/16—Selection of particular materials
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/18—Construction facilitating manufacture, assembly, or disassembly
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
- Straightening Metal Sheet-Like Bodies (AREA)
Abstract
The invention discloses a kind of automobile engine outlet flanges, including outlet flange body, outlet flange body includes pedestal, pedestal is pentagon, heart position is equipped with the boss of outwardly convex along its thickness direction in the base, boss center offers trepanning, it is equipped with lower margin in pedestal upper end, lower margin is rectangle, it is equipped with connected unit in the both sides of pedestal, the first threaded hole is offered in connected unit, the second erecting bed is additionally provided on pedestal, second erecting bed is equipped with the second threaded hole in the horizontal direction, and lower margin, boss are identical as the direction of connected unit outwardly convex；It is equipped with buffer layer at pedestal back, buffer layer includes the rubber layer being connect with the back side, wearing layer, steel plate, and wearing layer is connect with rubber layer, and steel plate is connect with wearing layer；A kind of production technology of automobile engine outlet flange has also been devised in the present invention；The present invention is not only simple in structure, easy to process, has buffer structure, and the service life that can improve parts is long, is saved material, is reduced cost.
Description
Technical field
The present invention relates to outlet flange, specifically a kind of automobile engine outlet flange and its production technology.
Background technology
With the rapid development of automobile industry, the type of auto parts machinery is also more and more, and quality of production prize seriously affects
To the service life of equipment, especially automobile engine outlet flange, existing outlet flange often in use by
It is serious impact and damage, service life is short in use, serious wear, increase cost.
Invention content
The technical problem to be solved by the present invention is to the shortcomings that for the above prior art, propose a kind of automobile engine
Outlet flange, is not only simple in structure, easy to process, has buffer structure, and the service life that can improve parts is long, saves material
Material, reduces cost.
In order to solve the above-mentioned technical problem, the technical scheme is that being accomplished by the following way：A kind of automobile hair
Motivation outlet flange, including outlet flange body, the outlet flange body includes pedestal, and the pedestal is pentagon, in institute
The boss that base center position is equipped with outwardly convex along its thickness direction is stated, the boss center offers trepanning, in institute
It states pedestal upper end and is equipped with lower margin, the lower margin is rectangle, is equipped with connected unit in the both sides of the pedestal, is opened up in the connected unit
There is the first threaded hole, be additionally provided with the second erecting bed on the base, second erecting bed is equipped with the second spiral shell in the horizontal direction
Pit, the lower margin, boss are identical as the direction of connected unit outwardly convex；
It is equipped with buffer layer at the pedestal back, the buffer layer includes the rubber layer being connect with the back side, wearing layer, steel
Plate, the wearing layer are connect with rubber layer, and the steel plate is connect with wearing layer；
The surface of steel plate is coated with one layer of antifriction metal (AFM) coating, and the component of the antifriction metal (AFM) coating is by mass percentage
For：C：0.21-0.23%, Mg：0.13-0.17%, Cu：0.62-0.65%, W：0.45-0.48%, Ti：0.55-0.58%,
Cr：5.32-5.35%, Ni：0.37-0.39%, Mo：0.42-0.45%, Co：0.23-0.25%, Ca：3.42-3.45% is dilute
Soil：11-13%, remaining is Fe and trace impurity；
Include following components by weight percentage in the rare earth：La：5.2-5.5%, Ce：7.6-7.8%, Pm：5.2-
5.6%, Nd：5.5-5.8%, Eu：3.1-3.3%, Sm：5.5-5.8%, surplus Gd.
The technical solution that the present invention further limits is：
Automobile engine outlet flange above-mentioned is equipped with reinforcing rib along the trepanning circumferencial direction, and the trepanning is to tilt
The projection angle of setting, the trepanning and horizontal plane is 30-45 °.
The thickness of automobile engine outlet flange above-mentioned, rubber layer is 0.5-0.8mm, and the thickness of the wearing layer is
The thickness of 0.7-0.9mm, the steel plate are 1-3mm.
Automobile engine outlet flange above-mentioned, the component of antifriction metal (AFM) coating are by mass percentage：C：0.21%,
Mg：0.13%, Cu：0.62%, W：0.45%, Ti：0.55%, Cr：5.32%, Ni：0.37%, Mo：0.42%, Co：
0.23%, Ca：3.42%, rare earth：11%, remaining is Fe and trace impurity；
Include following components by weight percentage in the rare earth：La：5.2%, Ce：7.6%, Pm：5.2%, Nd：
5.5%, Eu：3.1%, Sm：5.5%, surplus Gd.
Automobile engine outlet flange above-mentioned, the component of antifriction metal (AFM) coating are by mass percentage：C：0.23%,
Mg：0.17%, Cu：0.65%, W：0.48%, Ti：0.58%, Cr：5.35%, Ni：0.39%, Mo：0.45%, Co：
0.25%, Ca：3.45%, rare earth：13%, remaining is Fe and trace impurity；
Include following components by weight percentage in the rare earth：La：5.5%, Ce：7.8%, Pm：5.6%, Nd：
5.8%, Eu：3.3%, Sm：5.8%, surplus Gd.
Automobile engine outlet flange above-mentioned, the component of antifriction metal (AFM) coating are by mass percentage：C：0.22%,
Mg：0.15%, Cu：0.63%, W：0.47%, Ti：0.56%, Cr：5.34%, Ni：0.38%, Mo：0.43%, Co：
0.24%, Ca：3.43%, rare earth：12%, remaining is Fe and trace impurity；
Include following components by weight percentage in the rare earth：La：5.3%, Ce：7.7%, Pm：5.4%, Nd：
5.6%, Eu：3.2%, Sm：5.7%, surplus Gd.
The preparation method of automobile engine outlet flange above-mentioned, antifriction metal (AFM) coating carries out according to the following steps：
Step (1)：Rare earth is first divided into three parts, first part is the 2/5 of total amount of rare earth, and second part is the 2/5 of total amount of rare earth,
Third part is the 1/5 of total amount of rare earth, and C, Mg, Cu, W, Ti, Cr, Ni, Mo, Co, Ca, Fe are put into reacting furnace, are heated to
1200-1250 DEG C, 5-8 hours are kept the temperature, is then air-cooled to 450-460 DEG C, be then again heated to 770-790 DEG C, keeps the temperature 30-
45min, is then air-cooled to room temperature, and then metal derby is put into ball mill and is crushed, and crosses 100 mesh numbers, obtains metal powder A；
Step (2)：Metal powder A in step 1 is uniformly mixed with first part of rare earth, steel is sprayed into using spraying equipment
Plate surface, thickness 0.22-0.25mm are then heated to 800-890 DEG C, keep the temperature 5-8 hours, are then air-cooled to room temperature, then
Steel plate is heated to 300-350 DEG C again, second part of rare earth is uniformly sprayed to surface of steel plate, is then heated to 600-650 DEG C,
30-60min is kept the temperature, is then put into cooling oil rapidly and is quickly cooled down, is cooled to 310-330 DEG C of rapid taking-up, then again
It is heated to 400-450 DEG C, 5-8 hours is kept the temperature, then third part rare earth is uniformly sprayed to surface of steel plate, is then heated to
680-720 DEG C, 15-30min is kept the temperature, then uses air-cooled, 280-290 DEG C is cooled to the speed of 10-15 DEG C/min, it is then empty
It is cooled to room temperature；
Step (3)：Steel plate is subjected to first time heat treatment：Steel plate is heated to 620-630 DEG C, keeps the temperature 11-13h, then
It is cooled to room temperature with the air-cooled speed with 1-3 DEG C/s, is then again heated to 480-520 DEG C, keeps the temperature 1-3 hours, then uses water
It is cold, it is cooled to 220-250 DEG C with the speed of 15-18 DEG C/min, then 5-8 hours is kept the temperature, is finally air-cooled to room temperature, then cleans
Size is examined on surface.
The beneficial effects of the invention are as follows：Pedestal back frequently receives the shock of external force after mounting in existing structure, warp
Often there is the problem of damage of components, increase the workload of cost and maintenance, makes bottom by the way that buffer layer is arranged in the technical program
Seat back has cushioning effect in use, reduces the intensity of outlet flange directly impacted, and this is simple in structure,
Easy to process, simple in structure by being overlapped mutually between rubber layer, wearing layer, steel plate, rubber layer has cushioning effect,
Wearing layer perfect between rubber layer and steel plate can will be fixed, and avoid steel plate and be in direct contact with rubber layer and cause surface abrasion tight
The problem of weight, improves integrally-built shock resistance and service life；
And surface of steel plate is coated with antifriction metal (AFM) coating, and Cu elements are added in coating can increase antifriction metal (AFM) coating surface
Intensity and antioxygenic property, improve service life；Be added Mg elements can improve its welding performance, increase its corrosion resistance and
Intensity；Cr, Ni element is added and forms nichrome coating, increases the anticorrosive effect of surface of steel plate, and crocking resistance and
High temperature resistance significantly improves, and increases its service life, and be also added into rare earth element, and rare earth by being added three times, layer by layer
Superposition can promote the combination of rare earth element and metallic element, improve integral strength, and pass through the works such as temperature, time and cooling
Sequence, it is ensured that it is firmly combined between rare earth and steel plate, avoids the occurrence of gap, improve whole intensity,
And rare earth crystal grain thinning during heat treatment, reduce secondary intergranular away from, reduce the gas in alloy and be mingled with,
And constituent phases is made to tend to nodularization；Smelt surface tension can be also reduced, increases mobility, has significantly improved to processing performance,
Increase the corrosion resistance of steel plate.
Description of the drawings
Fig. 1 is the front view of the designed automobile engine outlet flange of invention；
Fig. 2 is the structural schematic diagram of the designed automobile engine outlet flange of invention；
Fig. 3 is the structural schematic diagram of buffer layer in invention；
Wherein：1- pedestals, 2- boss, 3- trepannings, 4- lower margins, 5- connected units, the first threaded holes of 6-, the second erecting beds of 7-,
The second threaded holes of 8-, 9- rubber layers, 10- wearing layers, 11- steel plates, 12- antifriction metal (AFM) coatings, 13- reinforcing ribs.
Specific implementation mode
The present invention is described in further detail below：
Embodiment 1
A kind of automobile engine outlet flange provided in this embodiment, including outlet flange body, the outlet flange sheet
Body includes pedestal 1, and the pedestal 1 is pentagon, and the convex of outwardly convex is equipped with along its thickness direction in 1 center of the pedestal
Platform 2,2 center of the boss offer trepanning 3, and lower margin 4 is equipped in 1 upper end of the pedestal, and the lower margin 4 is rectangle,
The both sides of the pedestal 1 are equipped with connected unit 5, offer the first threaded hole 6 in the connected unit 5, are additionally provided on the pedestal 1
Second erecting bed 7, second erecting bed 7 are equipped with the second threaded hole 8, the lower margin 4, boss 2 and connected unit 5 in the horizontal direction
The direction of outwardly convex is identical；
1 back of the pedestal be equipped with buffer layer, the buffer layer include the rubber layer 9 being connect with the back side, wearing layer 10,
Steel plate 11, the wearing layer 10 are connect with rubber layer 9, and the steel plate 11 is connect with wearing layer 10, along 3 circumferencial direction of the trepanning
Equipped with reinforcing rib 13, the trepanning 3 is to be obliquely installed, and the trepanning 3 and the projection angle of horizontal plane are 30 °；The thickness of rubber layer 9
Degree is 0.5mm, and the thickness of the wearing layer 10 is 0.7mm, and the thickness of the steel plate 11 is 1mm；
11 surface of the steel plate is coated with one layer of antifriction metal (AFM) coating 12, and the component of the antifriction metal (AFM) coating presses quality percentage
Than for：C：0.21%, Mg：0.13%, Cu：0.62%, W：0.45%, Ti：0.55%, Cr：5.32%, Ni：0.37%, Mo：
0.42%, Co：0.23%, Ca：3.42%, rare earth：11%, remaining is Fe and trace impurity；
Include following components by weight percentage in the rare earth：La：5.2%, Ce：7.6%, Pm：5.2%, Nd：
5.5%, Eu：3.1%, Sm：5.5%, surplus Gd；
The preparation method of antifriction metal (AFM) coating carries out according to the following steps：
Step (1)：Rare earth is first divided into three parts, first part is the 2/5 of total amount of rare earth, and second part is the 2/5 of total amount of rare earth,
Third part is the 1/5 of total amount of rare earth, and C, Mg, Cu, W, Ti, Cr, Ni, Mo, Co, Ca, Fe are put into reacting furnace, are heated to 1200
DEG C, 5 hours are kept the temperature, is then air-cooled to 450 DEG C, is then again heated to 770 DEG C, 30min is kept the temperature, is then air-cooled to room temperature, so
Metal derby is put into ball mill afterwards and is crushed, 100 mesh numbers is crossed, obtains metal powder A；
Step (2)：Metal powder A in step 1 is uniformly mixed with first part of rare earth, steel is sprayed into using spraying equipment
Plate surface, thickness 0.22mm are then heated to 800 DEG C, keep the temperature 5 hours, are then air-cooled to room temperature, then again heat steel plate
To 300 DEG C, second part of rare earth is uniformly sprayed to surface of steel plate, is then heated to 600 DEG C, 30min is kept the temperature, then puts rapidly
Enter in cooling oil and be quickly cooled down, is cooled to 310 DEG C of rapid taking-ups, is then again heated to 400 DEG C, keeps the temperature 5 hours, then will
Third part rare earth is uniformly sprayed to surface of steel plate, is then heated to 680 DEG C, keeps the temperature 15min, then use it is air-cooled, with 10 DEG C/
The speed of min is cooled to 280 DEG C, is then air-cooled to room temperature；
Step (3)：Steel plate is subjected to first time heat treatment：Steel plate is heated to 620 DEG C, keeps the temperature 11h, then with it is air-cooled with
The speed of 1 DEG C/s is cooled to room temperature, is then again heated to 480 DEG C, keeps the temperature 1 hour, water cooling is then used, with the speed of 15 DEG C/min
Degree is cooled to 220 DEG C, then keeps the temperature 5 hours, is finally air-cooled to room temperature, then cleans surface, examines size.
Embodiment 2
A kind of automobile engine outlet flange provided in this embodiment, the present embodiment is identical as the structure in embodiment 1,
Described in the projection angle of trepanning 3 and horizontal plane be 45 °；The thickness of rubber layer 9 is 0.8mm, and the thickness of the wearing layer 10 is
The thickness of 0.9mm, the steel plate 11 are 3mm；
11 surface of the steel plate is coated with one layer of antifriction metal (AFM) coating 12, and the component of the antifriction metal (AFM) coating presses quality percentage
Than for：C：0.23%, Mg：0.17%, Cu：0.65%, W：0.48%, Ti：0.58%, Cr：5.35%, Ni：0.39%, Mo：
0.45%, Co：0.25%, Ca：3.45%, rare earth：13%, remaining is Fe and trace impurity；
Include following components by weight percentage in the rare earth：La：5.5%, Ce：7.8%, Pm：5.6%, Nd：
5.8%, Eu：3.3%, Sm：5.8%, surplus Gd；
The preparation method of antifriction metal (AFM) coating carries out according to the following steps：
Step (1)：Rare earth is first divided into three parts, first part is the 2/5 of total amount of rare earth, and second part is the 2/5 of total amount of rare earth,
Third part is the 1/5 of total amount of rare earth, and C, Mg, Cu, W, Ti, Cr, Ni, Mo, Co, Ca, Fe are put into reacting furnace, are heated to 1250
DEG C, 8 hours are kept the temperature, is then air-cooled to 460 DEG C, is then again heated to 790 DEG C, 45min is kept the temperature, is then air-cooled to room temperature, so
Metal derby is put into ball mill afterwards and is crushed, 100 mesh numbers is crossed, obtains metal powder A；
Step (2)：Metal powder A in step 1 is uniformly mixed with first part of rare earth, steel is sprayed into using spraying equipment
Plate surface, thickness 0.25mm are then heated to 890 DEG C, keep the temperature 8 hours, are then air-cooled to room temperature, then again heat steel plate
To 350 DEG C, second part of rare earth is uniformly sprayed to surface of steel plate, is then heated to 650 DEG C, 60min is kept the temperature, then puts rapidly
Enter in cooling oil and be quickly cooled down, is cooled to 330 DEG C of rapid taking-ups, is then again heated to 450 DEG C, keeps the temperature 8 hours, then will
Third part rare earth is uniformly sprayed to surface of steel plate, is then heated to 720 DEG C, keeps the temperature 30min, then use it is air-cooled, with 15 DEG C/
The speed of min is cooled to 290 DEG C, is then air-cooled to room temperature；
Step (3)：Steel plate is subjected to first time heat treatment：Steel plate is heated to 630 DEG C, keeps the temperature 13h, then with it is air-cooled with
The speed of 3 DEG C/s is cooled to room temperature, is then again heated to 520 DEG C, keeps the temperature 3 hours, water cooling is then used, with the speed of 18 DEG C/min
Degree is cooled to 250 DEG C, then keeps the temperature 8 hours, is finally air-cooled to room temperature, then cleans surface, examines size.
Embodiment 3
A kind of automobile engine outlet flange provided in this embodiment, the present embodiment is identical as the structure in embodiment 1,
Described in the projection angle of trepanning 3 and horizontal plane be 36 °；The thickness of rubber layer 9 is 0.6mm, and the thickness of the wearing layer 10 is
The thickness of 0.8mm, the steel plate 11 are 2mm；
11 surface of the steel plate is coated with one layer of antifriction metal (AFM) coating 12, and the component of the antifriction metal (AFM) coating presses quality percentage
Than for：C：0.22%, Mg：0.15%, Cu：0.63%, W：0.47%, Ti：0.56%, Cr：5.34%, Ni：0.38%, Mo：
0.43%, Co：0.24%, Ca：3.43%, rare earth：12%, remaining is Fe and trace impurity；
Include following components by weight percentage in the rare earth：La：5.3%, Ce：7.7%, Pm：5.4%, Nd：
5.6%, Eu：3.2%, Sm：5.7%, surplus Gd；
The preparation method of antifriction metal (AFM) coating carries out according to the following steps：
Step (1)：Rare earth is first divided into three parts, first part is the 2/5 of total amount of rare earth, and second part is the 2/5 of total amount of rare earth,
Third part is the 1/5 of total amount of rare earth, and C, Mg, Cu, W, Ti, Cr, Ni, Mo, Co, Ca, Fe are put into reacting furnace, are heated to 1240
DEG C, 6 hours are kept the temperature, is then air-cooled to 458 DEG C, is then again heated to 777 DEG C, 40min is kept the temperature, is then air-cooled to room temperature, so
Metal derby is put into ball mill afterwards and is crushed, 100 mesh numbers is crossed, obtains metal powder A；
Step (2)：Metal powder A in step 1 is uniformly mixed with first part of rare earth, steel is sprayed into using spraying equipment
Plate surface, thickness 0.23mm are then heated to 850 DEG C, keep the temperature 7 hours, are then air-cooled to room temperature, then again heat steel plate
To 320 DEG C, second part of rare earth is uniformly sprayed to surface of steel plate, is then heated to 620 DEG C, 40min is kept the temperature, then puts rapidly
Enter in cooling oil and be quickly cooled down, is cooled to 320 DEG C of rapid taking-ups, is then again heated to 420 DEG C, keeps the temperature 7 hours, then will
Third part rare earth is uniformly sprayed to surface of steel plate, is then heated to 690 DEG C, keeps the temperature 18min, then use it is air-cooled, with 12 DEG C/
The speed of min is cooled to 285 DEG C, is then air-cooled to room temperature；
Step (3)：Steel plate is subjected to first time heat treatment：Steel plate is heated to 625 DEG C, keeps the temperature 12h, then with it is air-cooled with
The speed of 2 DEG C/s is cooled to room temperature, is then again heated to 490 DEG C, keeps the temperature 2 hours, water cooling is then used, with the speed of 17 DEG C/min
Degree is cooled to 240 DEG C, then keeps the temperature 7 hours, is finally air-cooled to room temperature, then cleans surface, examines size.
Above example is merely illustrative of the invention's technical idea, and protection scope of the present invention cannot be limited with this, every
According to technological thought proposed by the present invention, any change done on the basis of technical solution each falls within the scope of the present invention
Within.
Claims (7)
1. a kind of automobile engine outlet flange, including outlet flange body, it is characterised in that：The outlet flange body includes
Pedestal (1), the pedestal (1) are pentagon, and the convex of outwardly convex is equipped with along its thickness direction in the pedestal (1) center
Platform (2), boss (2) center offer trepanning (3), and lower margin (4), the lower margin are equipped in the pedestal (1) upper end
(4) it is rectangle, is equipped with connected unit (5) in the both sides of the pedestal (1), the first threaded hole is offered on the connected unit (5)
(6), the second erecting bed (7) is additionally provided on the pedestal (1), second erecting bed (7) is equipped with the second spiral shell in the horizontal direction
Pit (8), the lower margin (4), boss (2) are identical as the direction of connected unit (5) outwardly convex；
It is equipped with buffer layer at the pedestal (1) back, the buffer layer includes the rubber layer (9) being connect with the back side, wearing layer
(10), steel plate (11), the wearing layer (10) connect with rubber layer (9), and the steel plate (11) connect with wearing layer (10)；
Steel plate (11) surface is coated with one layer of antifriction metal (AFM) coating (12), and the component of the antifriction metal (AFM) coating presses quality percentage
Than for：C：0.21-0.23%, Mg：0.13-0.17%, Cu：0.62-0.65%, W：0.45-0.48%, Ti：0.55-
0.58%, Cr：5.32-5.35%, Ni：0.37-0.39%, Mo：0.42-0.45%, Co：0.23-0.25%, Ca：3.42-
3.45%, rare earth：11-13%, remaining is Fe and trace impurity；
Include following components by weight percentage in the rare earth：La：5.2-5.5%, Ce：7.6-7.8%, Pm：5.2-
5.6%, Nd：5.5-5.8%, Eu：3.1-3.3%, Sm：5.5-5.8%, surplus Gd.
2. automobile engine outlet flange according to claim 1, it is characterised in that：Along the trepanning (3) circumferencial direction
Equipped with reinforcing rib (13), the trepanning (3) is to be obliquely installed, and the trepanning (3) and the projection angle of horizontal plane are 30-45 °.
3. automobile engine outlet flange according to claim 1, it is characterised in that：The thickness of the rubber layer (9) is
The thickness of 0.5-0.8mm, the wearing layer (10) are 0.7-0.9mm, and the thickness of the steel plate (11) is 1-3mm.
4. automobile engine outlet flange according to claim 1, it is characterised in that：The component of the antifriction metal (AFM) coating
It is by mass percentage：C：0.21%, Mg：0.13%, Cu：0.62%, W：0.45%, Ti：0.55%, Cr：5.32%, Ni：
0.37%, Mo：0.42%, Co：0.23%, Ca：3.42%, rare earth：11%, remaining is Fe and trace impurity；
Include following components by weight percentage in the rare earth：La：5.2%, Ce：7.6%, Pm：5.2%, Nd：5.5%,
Eu：3.1%, Sm：5.5%, surplus Gd.
5. automobile engine outlet flange according to claim 1, it is characterised in that：The component of the antifriction metal (AFM) coating
It is by mass percentage：C：0.23%, Mg：0.17%, Cu：0.65%, W：0.48%, Ti：0.58%, Cr：5.35%, Ni：
0.39%, Mo：0.45%, Co：0.25%, Ca：3.45%, rare earth：13%, remaining is Fe and trace impurity；
Include following components by weight percentage in the rare earth：La：5.5%, Ce：7.8%, Pm：5.6%, Nd：5.8%,
Eu：3.3%, Sm：5.8%, surplus Gd.
6. automobile engine outlet flange according to claim 1, it is characterised in that：The component of the antifriction metal (AFM) coating
It is by mass percentage：C：0.22%, Mg：0.15%, Cu：0.63%, W：0.47%, Ti：0.56%, Cr：5.34%, Ni：
0.38%, Mo：0.43%, Co：0.24%, Ca：3.43%, rare earth：12%, remaining is Fe and trace impurity；
Include following components by weight percentage in the rare earth：La：5.3%, Ce：7.7%, Pm：5.4%, Nd：5.6%,
Eu：3.2%, Sm：5.7%, surplus Gd.
7. the automobile engine outlet flange according to claim 1-6 any one, it is characterised in that：The antifriction metal (AFM)
The preparation method of coating carries out according to the following steps：
Step (1)：Rare earth is first divided into three parts, first part is the 2/5 of total amount of rare earth, and second part is the 2/5 of total amount of rare earth, third
Part is the 1/5 of total amount of rare earth, and C, Mg, Cu, W, Ti, Cr, Ni, Mo, Co, Ca, Fe are put into reacting furnace, 1200- is heated to
1250 DEG C, 5-8 hours are kept the temperature, is then air-cooled to 450-460 DEG C, be then again heated to 770-790 DEG C, keeps the temperature 30-45min,
Then it is air-cooled to room temperature, then metal derby is put into ball mill and is crushed, 100 mesh numbers is crossed, obtains metal powder A；
Step (2)：Metal powder A in step (1) is uniformly mixed with first part of rare earth, steel is sprayed into using spraying equipment
Plate surface, thickness 0.22-0.25mm are then heated to 800-890 DEG C, keep the temperature 5-8 hours, are then air-cooled to room temperature, then
Steel plate is heated to 300-350 DEG C again, second part of rare earth is uniformly sprayed to surface of steel plate, is then heated to 600-650 DEG C,
30-60min is kept the temperature, is then put into cooling oil rapidly and is quickly cooled down, is cooled to 310-330 DEG C of rapid taking-up, then again
It is heated to 400-450 DEG C, 5-8 hours is kept the temperature, then third part rare earth is uniformly sprayed to surface of steel plate, is then heated to
680-720 DEG C, 15-30min is kept the temperature, then uses air-cooled, 280-290 DEG C is cooled to the speed of 10-15 DEG C/min, it is then empty
It is cooled to room temperature；
Step (3)：Steel plate is subjected to first time heat treatment：Steel plate is heated to 620-630 DEG C, 11-13h is kept the temperature, then uses wind
The cold speed with 1-3 DEG C/s is cooled to room temperature, is then again heated to 480-520 DEG C, keeps the temperature 1-3 hours, then uses water cooling, with
The speed of 15-18 DEG C/min is cooled to 220-250 DEG C, then keeps the temperature 5-8 hours, is finally air-cooled to room temperature, then cleans surface,
Examine size.
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| CN107916367A (en) * | 2017-11-14 | 2018-04-17 | 郑媛媛 | A kind of metal valve and its vacuum heat surface modification technology |
| CN108018495A (en) * | 2017-12-15 | 2018-05-11 | 苏州威斯道智能科技有限公司 | A kind for the treatment of process of high accuracy travelling gear |
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| JP5178156B2 (en) * | 2007-11-13 | 2013-04-10 | 日新製鋼株式会社 | Ferritic stainless steel material for automobile exhaust gas path members |
| CN202048282U (en) * | 2011-03-30 | 2011-11-23 | 中国石油化工股份有限公司 | Flange theft-proof structure and theft-proof flange with flange theft-proof structure |
| CN105980759B (en) * | 2013-11-19 | 2017-11-14 | 康奈可关精株式会社 | Flange arrangement |
| CN204704512U (en) * | 2015-06-19 | 2015-10-14 | 安徽江淮汽车股份有限公司 | A kind of automobile exhaust system and exhaust flange assembly thereof |
| CN105506612A (en) * | 2016-01-15 | 2016-04-20 | 盐城法尔机械有限公司 | High-strength valve for steam |
| CN205578091U (en) * | 2016-03-16 | 2016-09-14 | 重庆金丰机械有限公司 | Automobile flange structure of twining |
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Effective date of registration: 20220221 Address after: 224100 6, Jinfeng South Street, Dafeng District, Yancheng City, Jiangsu. Patentee after: Dafeng District Productivity Promotion Center, Yancheng City Address before: 224115 No. 10, xintuan street, Dazhong Town, Dafeng District, Yancheng City, Jiangsu Province Patentee before: JIANGSU DUOWEI MACHINERY INDUSTRIAL CO.,LTD. |
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Application publication date: 20170531 Assignee: Yancheng Hengchang Automobile Fittings Co.,Ltd. Assignor: Dafeng District Productivity Promotion Center, Yancheng City Contract record no.: X2023980044822 Denomination of invention: A Kind of Automobile Engine Outlet Flange and Its Production Process Granted publication date: 20181102 License type: Common License Record date: 20231031 Application publication date: 20170531 Assignee: Jiangsu Yunma Agricultural Machinery Co.,Ltd. Assignor: Dafeng District Productivity Promotion Center, Yancheng City Contract record no.: X2023980044817 Denomination of invention: A Kind of Automobile Engine Outlet Flange and Its Production Process Granted publication date: 20181102 License type: Common License Record date: 20231031 |
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Application publication date: 20170531 Assignee: JIANGSU CHUANGYI PRECISION FORGING Co.,Ltd. Assignor: Dafeng District Productivity Promotion Center, Yancheng City Contract record no.: X2023980046393 Denomination of invention: A type of automobile engine exhaust flange and its production process Granted publication date: 20181102 License type: Common License Record date: 20231113 Application publication date: 20170531 Assignee: JIANGSU FENGTAI FLUID MACHINERY TECHNOLOGY Co.,Ltd. Assignor: Dafeng District Productivity Promotion Center, Yancheng City Contract record no.: X2023980046390 Denomination of invention: A type of automobile engine exhaust flange and its production process Granted publication date: 20181102 License type: Common License Record date: 20231113 Application publication date: 20170531 Assignee: JIANGSU YANFA MACHINERY CO.,LTD. Assignor: Dafeng District Productivity Promotion Center, Yancheng City Contract record no.: X2023980046385 Denomination of invention: A type of automobile engine exhaust flange and its production process Granted publication date: 20181102 License type: Common License Record date: 20231113 Application publication date: 20170531 Assignee: Yancheng Dafeng Chuangyi precision forging gear Co.,Ltd. Assignor: Dafeng District Productivity Promotion Center, Yancheng City Contract record no.: X2023980046519 Denomination of invention: A type of automobile engine exhaust flange and its production process Granted publication date: 20181102 License type: Common License Record date: 20231113 |
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