CN106498259B - A kind of ventilation cap of high speed gear case oil baffle - Google Patents
A kind of ventilation cap of high speed gear case oil baffle Download PDFInfo
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- CN106498259B CN106498259B CN201610892942.4A CN201610892942A CN106498259B CN 106498259 B CN106498259 B CN 106498259B CN 201610892942 A CN201610892942 A CN 201610892942A CN 106498259 B CN106498259 B CN 106498259B
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
- C22C29/12—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on oxides
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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
- C22C1/04—Making non-ferrous alloys by powder metallurgy
- C22C1/05—Mixtures of metal powder with non-metallic powder
- C22C1/051—Making hard metals based on borides, carbides, nitrides, oxides or silicides; Preparation of the powder mixture used as the starting material therefor
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
- C23C4/06—Metallic material
- C23C4/08—Metallic material containing only metal elements
Abstract
The present invention relates to a kind of ventilation cap of high speed gear case oil baffle, its component includes：Tungsten carbide, montmorillonite, kaolin, bone black, aluminum oxide, magnesia, cupric oxide, iron oxide, AlN, wollastonite, diopside, talcum powder, anti-aging agent RD, Fe, iron hydroxide, Al, Zn, Mn, Cr, Ni, Cu, Mo, Ti, Pd, Pt, W, Ce, Eu, Lu, Au, Ag, Sn, Zr, Re and clay.The ventilation cap of high speed gear case of the present invention was with not only having added bone black but also added raw metal in the raw material of oil baffle, not only increase the structural strength of oil baffle, the heat dispersion of oil baffle also greatly reinforces relative to simple ceramic material, condensation efficiency is improved, so as to improve the gear oil efficiency of oil baffle.
Description
Technical field
The present invention relates to a kind of ventilation cap of high speed gear case oil baffle, belong to technical field of automobile accessories.
Background technology
Gear-box is under the operating mode to run at high speed, and internal temperature can gradually rise, and gas constantly expands, and pressure constantly increases
Greatly, in order that heat expansion air can be discharged freely, to keep casing internal and external pressure balance, lubricating oil is not caused along flask joint or axle body
Other gap leakages such as seal, strengthen the sealing effectiveness of casing, abat-vent must be just installed on gear-box.The work of abat-vent
With being by the atmosphere outside the air and casing in gear housing, the pressure in guard box body balances with atmospheric pressure.
Conventional high rate gear-box abat-vent is that high-temperature oil gas is directly discharged in air by breather pipe, due in casing
Temperature is very high, and the oil gas being discharged into air can condense to form oil droplet, and this causes very big pollution to environment.Particularly in ring
When border temperature is relatively low, condensation is even more serious.
The content of the invention
The technical problem to be solved in the present invention is, in view of the shortcomings of the prior art, proposing a kind of good high speed tooth of oily effect of gear
Roller box abat-vent oil baffle.
The present invention is to solve the technical scheme that above-mentioned technical problem proposes to be：A kind of ventilation cap of high speed gear case gear oil
Plate, the mass percent of its each component are：Tungsten carbide:0.52-0.79%, montmorillonite:1.32-1.54%, kaolin:1.64-
1.88%, bone black：3.45-3.64%, aluminum oxide：2.15-2.34%, magnesia：1.45-1.67%, cupric oxide：1.18-
1.23%, iron oxide：0.55-0.68%, AlN:0.42-0.66%, wollastonite:1.23-1.35%, diopside:0.57-0.78%,
Talcum powder:0.61-0.86%, anti-aging agent RD:0.35-0.54%, Fe:0.67-0.92%, iron hydroxide：0.23-0.35%, Al:
1.35-1.48%,Zn:0.74-1.17%,Mn：0.43-0.52%, Cr：0.03-0.07%, Ni：1.24-1.35%, Cu：0.65-
0.76%, Mo：0.02-0.07%, Ti：1.22-1.42%, Pd：0.11-0.17%,Pt：0.03-0.09%,W：0.57-0.67%,
Ce：0.02-0.08%,Eu：0.07-0.15%,Lu:0.03-0.07%, Au：0.33-0.46%, Ag:0.66-0.84%, Sn：
0.46-0.68%, Zr：0.01-0.03%, Re：0.02-0.05%, surplus are clay；
The processing technology of ventilation cap of high speed gear case oil baffle comprises the following steps：
（1）Melting is carried out after metal material in the raw material of oil baffle is mixed by mass percentage, is comprised the following steps that：
A, raw metal is added in smelting furnace by the mass percent of metal ingredient in predetermined oil baffle, by smelting furnace
Temperature brings up to 1450 degrees Celsius to 1460 degrees Celsius, and raw metal is smelted to form alloy solution；
B, alloy solution obtained in the previous step is cooled down, water cooling is first used during cooling with 25-28 DEG C/s cooling speed
Rate is by alloy solution water cooling to room temperature；
C, heat, the alloy raw material after previous step is cooled down carries out secondary smelting in smelting furnace, the temperature in smelting furnace is carried
For height to 1600 degrees Celsius to 1620 degrees Celsius, alloy raw material forms alloy solution by secondary smelting；
D, the alloy solution in above-mentioned smelting furnace is poured into electric furnace, sequentially adds nodulizer and inovulant in a furnace；
E, the alloy solution in electric furnace is poured into smelting furnace, spheroidizing reacion 60s to 95s, after spheroidizing reacion is abundant, spreads one layer of collection
Slag agent, quickly skims；
F, it is quick skim after, be sprinkled into swelling perlite powder on alloy solution surface immediately, twice of slag hitting, after the completion of slag hitting,
Use water cooling with 22-28 DEG C/s cooldown rate by alloy water cooling to room temperature alloy solution, form alloy raw material；
（2）Above-mentioned alloy raw material is heat-treated, comprised the following steps that：
(i) heat：Alloy raw material is heated to 720-735 DEG C, and is incubated 15-30min；
(ii) cool down：The air-cooled cooldown rate with 8-11 DEG C/s is used to accelerate alloy raw material after being cooled to 345-350 DEG C, then
It is air-cooled to room temperature；
(iii) once it is tempered：After alloy raw material is heated into 590-607 DEG C of tempering 15-27min, warm 32-35s is treated, makes alloy
Material temperature homogenizes, and is accelerated afterwards with water cooling with 16-19 DEG C/s cooldown rate after being cooled to 355-364 DEG C, then be air-cooled to
Room temperature；
(iv) double tempering：Room temperature is air-cooled to after alloy raw material is heated into 612-620 DEG C of tempering 42-52min；
(v) the alloy raw material after double tempering is handled is put into well formula gas heating furnace, alloy raw material is quenched
Fire heats, and quenching and preserving heat temperature is 690 DEG C ± 10 DEG C, and soaking time is 0.5~1.5h；Alloy raw material Quench heating is completed
Tank water cooling 20-25 minutes are quickly put into afterwards, and cooling bath water temperature is controlled at 35~40 DEG C；
（3）Crush：Above-mentioned alloy raw material and other raw materials are crushed respectively using pulverizer, the particle diameter of raw material after crushing
Between 6mm-9mm；
（4）Mixing and ball milling：Alloy raw material and other raw materials are put into mixing and ball milling instrument by the mass percent of oil baffle to enter
Row mixing and ball milling, the particle diameter of raw material is between 50-400 mesh after mixing and ball milling；
（5）Add water：Water is added to mix the raw material after mixing and ball milling, moisture content of raw material is 28%-38% after adding water；（6）Practice
Mud：The raw material after water will be added to be put into vacuum deairing machine progress pugging, vacuum 0.04-0.11Mpa；
（7）Shaping：The raw material after pugging is pressed into oil baffle shape using mould；
（8）Low temperature drying：Oil baffle after shaping is sent into low-temperature drier and carries out low temperature drying, controls the drying temperature to be
45-55 DEG C, dry to the oil baffle moisture content of shaping and be less than 5%；
（9）Fire：Oil baffle after shaping is sent into tunnel cave to be fired；
（10）The oil baffle covering china protective layer completed will be fired, concrete technology is:
A, dispensing；
B, crush:Each raw material of china protective layer is added in ball mill and carries out mixing and ball milling, water is added and forms glaze slip；
C, iron removaling is sieved：Above-mentioned glaze slip is filtered with the screen cloth of 200 mesh to 380 mesh, tramp iron separator iron removaling is used after filtering；
D, process is stirred in filter：Water unnecessary in glaze slip in previous step is filtered off, the moisture content of glaze slip is in 26-32% after filter
E, coat：The glaze slip modulated is coated in the outer surface of oil baffle, thickness 0.35-0.85mm；
F, it is calcined：The oil baffle for having coated glaze slip is sent into tunnel cave roasting, china protective layer is formed after cooling；
（11）Spray for the first time：Oil baffle after covering china protective layer is used into Ultrasonic Arc Sprayed 1Cr13 coatings,
1Cr13 coating sprayings thickness is 40 ± 10 μm；
（12）Second of spraying：Using Ultrasonic Arc Sprayed pure aluminum coating, pure aluminum coating coating thickness is 80 ± 30 μm；
（13）Pre-oxidation：Spraying uses oxyacetylene torch to pure aluminum coating surface preoxidizing after terminating.
The improvement of above-mentioned technical proposal is：The mass percent composition of each composition is in china protective layer：Quartz: 2.11-
2.52%th, feldspar:1.66-2.12%, bone black：7.24-7.78%, talcum powder：3.53-4.15%, aluminium powder：3.25-3.53%, silicon
Powder：4.65-4.83%, calcium oxide：2.13-2.46%, magnesia：2.11-2.36%, surplus are kaolin.
The improvement of above-mentioned technical proposal is：Ventilation cap of high speed gear case is with the mass percent of its each component of oil baffle：
Tungsten carbide:0.55%, montmorillonite:1.36%, kaolin:1.68%, bone black：3.48%, aluminum oxide：2.23%, magnesia：1.47%,
Cupric oxide：1.19%, iron oxide：0.57%, AlN:0.44%, wollastonite:1.25%, diopside:0.58%, talcum powder:0.67%,
Anti-aging agent RD:0.39%, Fe:0.69%, iron hydroxide：0.26%, Al:1.36%,Zn:0.77%,Mn：0.46%, Cr：0.04%,
Ni：1.27%, Cu：0.68%, Mo：0.03%, Ti：1.27%, Pd：0.15%,Pt：0.04%,W：0.59%,Ce：0.03%,Eu：
0.08%,Lu:0.06%, Au：0.35%, Ag:0.67%, Sn：0.49%, Zr：0.02%, Re：0.03%, surplus is clay.
The improvement of above-mentioned technical proposal is：Ventilation cap of high speed gear case is with the mass percent of its each component of oil baffle：
Tungsten carbide:0.73%, montmorillonite:1.45%, kaolin:1.78%, bone black：3.62%, aluminum oxide：2.33%, magnesia：1.66%,
Cupric oxide：1.21%, iron oxide：0.63%, AlN:0.56%, wollastonite:1.32%, diopside:0.68%, talcum powder:0.82%,
Anti-aging agent RD:0.51%, Fe:0.87%, iron hydroxide：0.32%, Al:1.43%,Zn:1.12%,Mn：0.48%, Cr：0.04%,
Ni：1.33%, Cu：0.72%, Mo：0.03%, Ti：1.38%, Pd：0.16%,Pt：0.07%,W：0.64%,Ce：0.07%,Eu：
0.11%,Lu:0.06%, Au：0.41%, Ag:0.82%, Sn：0.62%, Zr：0.03%, Re：0.03%, surplus is clay.
It is of the invention to be using the beneficial effect of above-mentioned technical proposal：
（1）The ventilation cap of high speed gear case of the present invention, because raw material adds Zn, Ni and W, strengthens gear oil with oil baffle
The heat-resisting and decay resistance of plate；
（2）The ventilation cap of high speed gear case of the present invention, because raw material adds Ti, Al and rare earth element, is mitigated with oil baffle
The quality of oil baffle, add the structural strength and decay resistance of oil baffle；
（3）The ventilation cap of high speed gear case of the present invention is with oil baffle because the metal material in raw material mixes by mass percentage
When melting is carried out after conjunction, melting is twice carried out and has carried out spheroidizing reacion and operation of skimming so that raw metal melting is more
Add thoroughly, can effectively remove the impurity in raw metal, improve the quality of oil baffle；
（4）The present invention ventilation cap of high speed gear case with oil baffle because raw metal have passed through heat treatment, by twice
Tempering, tempering for the first time can rotary austenite formed on lath circle or lath beam circle, it is and further rich in insulating process
Collect alloying element to improve stability；Ferrite lath beam is then replied in insulating process, while harmful in ferrite
Element is also discharged in rotary austenite, so as to improve substrate performance；Second of tempering can be on the premise of proof strength
Rotary austenite is enriched with enough alloying element, make few net carbide, be more uniformly distributed tissue, can holding structure it is steady
It is fixed, contact fatigue strength and impact flexibility are further enhanced, by lifting the performance of raw metal, so as to improve final gear oil
The mechanical property and stability of plate, extend the service life of oil baffle；
（5）The ventilation cap of high speed gear case of the present invention remixes ball afterwards with oil baffle because the raw material of oil baffle first crushes
Mill, improves crush efficiency so that raw material is rapidly achieved the particle size of requirement, improves processing efficiency；
（6）The ventilation cap of high speed gear case oil baffle of the present invention makes because the raw material of oil baffle uses vacuum deairing machine
Obtaining feed components distribution tends to be uniform, and structure is dense, and the plasticity and dry tenacity of pug all increase；
（7）The ventilation cap of high speed gear case of the present invention is with oil baffle due to also having carried out 1Cr13 after covering china protective layer
The spraying of coating and pure aluminum coating, by china protective layer, 1Cr13 coatings and pure aluminum coating three-layer protection, substantially increase gear
The heat-and corrosion-resistant performance of oiled-plate method, extends service life；
（8）The ventilation cap of high speed gear case of the present invention is with oil baffle due to being pre-oxidized to pure aluminum coating so that table
Face generates the oxide-film of densification so that the corrosion-and high-temp-resistant of oil baffle can be improved further；
（9）The ventilation cap of high speed gear case of the present invention was with not only having added bone black but also added metal raw in the raw material of oil baffle
Material, the structural strength of oil baffle being not only increased, the heat dispersion of oil baffle also greatly reinforces relative to simple ceramic material,
Condensation efficiency is improved, so as to improve the gear oil efficiency of oil baffle.
Embodiment
Embodiment one
The ventilation cap of high speed gear case oil baffle of the present embodiment, the mass percent of its each component are：Tungsten carbide:
0.55%, montmorillonite:1.36%, kaolin:1.68%, bone black：3.48%, aluminum oxide：2.23%, magnesia：1.47%, cupric oxide：
1.19%, iron oxide：0.57%, AlN:0.44%, wollastonite:1.25%, diopside:0.58%, talcum powder:0.67%, age resistor
RD:0.39%, Fe:0.69%, iron hydroxide：0.26%, Al:1.36%,Zn:0.77%,Mn：0.46%, Cr：0.04%, Ni：
1.27%, Cu：0.68%, Mo：0.03%, Ti：1.27%, Pd：0.15%,Pt：0.04%,W：0.59%,Ce：0.03%,Eu：0.08%,
Lu:0.06%, Au：0.35%, Ag:0.67%, Sn：0.49%, Zr：0.02%, Re：0.03%, surplus is clay；
The processing technology of ventilation cap of high speed gear case oil baffle comprises the following steps：
（1）Melting is carried out after metal material in the raw material of oil baffle is mixed by mass percentage, is comprised the following steps that：
A, raw metal is added in smelting furnace by the mass percent of metal ingredient in predetermined oil baffle, by smelting furnace
Temperature brings up to 1450 degrees Celsius to 1460 degrees Celsius, and raw metal is smelted to form alloy solution；
B, alloy solution obtained in the previous step is cooled down, water cooling is first used during cooling with 25-28 DEG C/s cooling speed
Rate is by alloy solution water cooling to room temperature；
C, heat, the alloy raw material after previous step is cooled down carries out secondary smelting in smelting furnace, the temperature in smelting furnace is carried
For height to 1600 degrees Celsius to 1620 degrees Celsius, alloy raw material forms alloy solution by secondary smelting；
D, the alloy solution in above-mentioned smelting furnace is poured into electric furnace, sequentially adds nodulizer and inovulant in a furnace；
E, the alloy solution in electric furnace is poured into smelting furnace, spheroidizing reacion 60s to 95s, after spheroidizing reacion is abundant, spreads one layer of collection
Slag agent, quickly skims；
F, it is quick skim after, be sprinkled into swelling perlite powder on alloy solution surface immediately, twice of slag hitting, after the completion of slag hitting,
Use water cooling with 22-28 DEG C/s cooldown rate by alloy water cooling to room temperature alloy solution, form alloy raw material；
（2）Above-mentioned alloy raw material is heat-treated, comprised the following steps that：
(i) heat：Alloy raw material is heated to 720-735 DEG C, and is incubated 15-30min；
(ii) cool down：The air-cooled cooldown rate with 8-11 DEG C/s is used to accelerate alloy raw material after being cooled to 345-350 DEG C, then
It is air-cooled to room temperature；
(iii) once it is tempered：After alloy raw material is heated into 590-607 DEG C of tempering 15-27min, warm 32-35s is treated, makes alloy
Material temperature homogenizes, and is accelerated afterwards with water cooling with 16-19 DEG C/s cooldown rate after being cooled to 355-364 DEG C, then be air-cooled to
Room temperature；
(iv) double tempering：Room temperature is air-cooled to after alloy raw material is heated into 612-620 DEG C of tempering 42-52min；
(v) the alloy raw material after double tempering is handled is put into well formula gas heating furnace, alloy raw material is quenched
Fire heats, and quenching and preserving heat temperature is 690 DEG C ± 10 DEG C, and soaking time is 0.5~1.5h；Alloy raw material Quench heating is completed
Tank water cooling 20-25 minutes are quickly put into afterwards, and cooling bath water temperature is controlled at 35~40 DEG C；
（3）Crush：Above-mentioned alloy raw material and other raw materials are crushed respectively using pulverizer, the particle diameter of raw material after crushing
Between 6mm-9mm；
（4）Mixing and ball milling：Alloy raw material and other raw materials are put into mixing and ball milling instrument by the mass percent of oil baffle to enter
Row mixing and ball milling, the particle diameter of raw material is between 50-400 mesh after mixing and ball milling；
（5）Add water：Water is added to mix the raw material after mixing and ball milling, moisture content of raw material is 28%-38% after adding water；（6）Practice
Mud：The raw material after water will be added to be put into vacuum deairing machine progress pugging, vacuum 0.04-0.11Mpa；
（7）Shaping：The raw material after pugging is pressed into oil baffle shape using mould；
（8）Low temperature drying：Oil baffle after shaping is sent into low-temperature drier and carries out low temperature drying, controls the drying temperature to be
45-55 DEG C, dry to the oil baffle moisture content of shaping and be less than 5%；
（9）Fire：Oil baffle after shaping is sent into tunnel cave to be fired；
（10）The oil baffle covering china protective layer completed will be fired, concrete technology is:
A, dispensing
The mass percent composition of each composition is in china protective layer：Quartz:2.11-2.52%, feldspar: 1.66-
2.12%th, bone black：7.24-7.78%, talcum powder：3.53-4.15%, aluminium powder：3.25-3.53%, silica flour：4.65-4.83%, oxidation
Calcium：2.13-2.46%, magnesia：2.11-2.36%, surplus are kaolin；
B, crush:Each raw material of china protective layer is added in ball mill and carries out mixing and ball milling, water is added and forms glaze slip；
C, iron removaling is sieved：Above-mentioned glaze slip is filtered with the screen cloth of 200 mesh to 380 mesh, tramp iron separator iron removaling is used after filtering；
D, process is stirred in filter：Water unnecessary in glaze slip in previous step is filtered off, the moisture content of glaze slip is in 26-32% after filter
E, coat：The glaze slip modulated is coated in the outer surface of oil baffle, thickness 0.35-0.85mm；
F, it is calcined：The oil baffle for having coated glaze slip is sent into tunnel cave roasting, china protective layer is formed after cooling；
（11）Spray for the first time：Oil baffle after covering china protective layer is used into Ultrasonic Arc Sprayed 1Cr13 coatings,
1Cr13 coating sprayings thickness is 40 ± 10 μm；
（12）Second of spraying：Using Ultrasonic Arc Sprayed pure aluminum coating, pure aluminum coating coating thickness is 80 ± 30 μm；
（13）Pre-oxidation：Spraying uses oxyacetylene torch to pure aluminum coating surface preoxidizing after terminating.
Embodiment two
The ventilation cap of high speed gear case oil baffle and embodiment one of the present embodiment are essentially identical, and difference is at a high speed
Gear-box abat-vent is with the mass percent of oil baffle each component：Tungsten carbide:0.73%, montmorillonite:1.45%, kaolin:
1.78%, bone black：3.62%, aluminum oxide：2.33%, magnesia：1.66%, cupric oxide：1.21%, iron oxide：0.63%, AlN:
0.56%, wollastonite:1.32%, diopside:0.68%, talcum powder:0.82%, anti-aging agent RD:0.51%, Fe:0.87%, hydroxide
Iron：0.32%, Al:1.43%,Zn:1.12%,Mn：0.48%, Cr：0.04%, Ni：1.33%, Cu：0.72%, Mo：0.03%, Ti：
1.38%, Pd：0.16%,Pt：0.07%,W：0.64%,Ce：0.07%,Eu：0.11%,Lu:0.06%, Au：0.41%, Ag:0.82%,
Sn：0.62%, Zr：0.03%, Re：0.03%, surplus is clay.
The present invention is not limited to above-described embodiment.All technical schemes formed using equivalent substitution, all falling within the present invention will
The protection domain asked.
Claims (4)
- A kind of 1. ventilation cap of high speed gear case oil baffle, it is characterised in that：The mass percent of each component is in its raw material：Carbon Change tungsten:0.52-0.79%, montmorillonite:1.32-1.54%, kaolin:1.64-1.88%, bone black：3.45-3.64%, aluminum oxide： 2.15-2.34%, magnesia：1.45-1.67%, cupric oxide：1.18-1.23%, iron oxide：0.55-0.68%, AlN:0.42- 0.66%, wollastonite:1.23-1.35%, diopside:0.57-0.78%, talcum powder:0.61-0.86%, anti-aging agent RD:0.35- 0.54%, Fe:0.67-0.92%, iron hydroxide：0.23-0.35%, Al:1.35-1.48%,Zn:0.74-1.17%,Mn： 0.43-0.52%, Cr：0.03-0.07%, Ni：1.24-1.35%, Cu：0.65-0.76%, Mo：0.02-0.07%, Ti：1.22- 1.42%, Pd：0.11-0.17%,Pt：0.03-0.09%,W：0.57-0.67%,Ce：0.02-0.08%,Eu：0.07-0.15%, Lu:0.03-0.07%, Au：0.33-0.46%, Ag:0.66-0.84%, Sn：0.46-0.68%, Zr：0.01-0.03%, Re： 0.02-0.05%, surplus are clay；The processing technology of the ventilation cap of high speed gear case oil baffle comprises the following steps：（1）Melting is carried out after metal material in the raw material of oil baffle is mixed by mass percentage, is comprised the following steps that：A, raw metal is added in smelting furnace by the mass percent of metal ingredient in predetermined oil baffle, by the temperature in smelting furnace 1450 degrees Celsius to 1460 degrees Celsius are brought up to, raw metal is smelted to form alloy solution；B, alloy solution obtained in the previous step is cooled down, first uses during cooling water cooling will with 25-28 DEG C/s cooldown rate Alloy solution water cooling is to room temperature；C, heat, the alloy raw material after previous step is cooled down carries out secondary smelting in smelting furnace, the temperature in smelting furnace is brought up to 1600 degrees Celsius to 1620 degrees Celsius, alloy raw material forms alloy solution by secondary smelting；D, the alloy solution in above-mentioned smelting furnace is poured into electric furnace, sequentially adds nodulizer and inovulant in a furnace；E, the alloy solution in electric furnace is poured into smelting furnace, spheroidizing reacion 60s to 95s, after spheroidizing reacion is abundant, spreads one layer of collection slag Agent, quickly skim；F, after quickly skimming, swelling perlite powder is sprinkled on alloy solution surface immediately, twice of slag hitting, after the completion of slag hitting, will be closed Gold solution uses water cooling with 22-28 DEG C/s cooldown rate by alloy water cooling to room temperature, forms alloy raw material；（2）Above-mentioned alloy raw material is heat-treated, comprised the following steps that：(i) heat：Alloy raw material is heated to 720-735 DEG C, and is incubated 15-30min；(ii) cool down：The air-cooled cooldown rate with 8-11 DEG C/s is used to accelerate alloy raw material after being cooled to 345-350 DEG C, then air cooling To room temperature；(iii) once it is tempered：After alloy raw material is heated into 590-607 DEG C of tempering 15-27min, warm 32-35s is treated, makes alloy raw material Equalizing temperature, accelerated afterwards with water cooling with 16-19 DEG C/s cooldown rate after being cooled to 355-364 DEG C, then be air-cooled to room temperature；(iv) double tempering：Room temperature is air-cooled to after alloy raw material is heated into 612-620 DEG C of tempering 42-52min；(v) the alloy raw material after double tempering is handled is put into well formula gas heating furnace, quenching is carried out to alloy raw material and is added Heat treatment, quenching and preserving heat temperature are 690 DEG C ± 10 DEG C, and soaking time is 0.5~1.5h；It is fast after the completion of alloy raw material Quench heating Speed is put into tank water cooling 20-25 minutes, and cooling bath water temperature is controlled at 35~40 DEG C；（3）Crush：Above-mentioned alloy raw material and other raw materials are crushed respectively using pulverizer, the particle diameter of raw material exists after crushing Between 6mm-9mm；（4）Mixing and ball milling：Alloy raw material and other raw materials are put into mixing and ball milling instrument by the mass percent of oil baffle to be mixed Ball milling is closed, the particle diameter of raw material is between 50-400 mesh after mixing and ball milling；（5）Add water：Water is added to mix the raw material after mixing and ball milling, moisture content of raw material is 28%-38% after adding water；（6）Pugging：Will Add the raw material after water to be put into vacuum deairing machine and carry out pugging, vacuum 0.04-0.11MPa；（7）Shaping：The raw material after pugging is pressed into oil baffle shape using mould；（8）Low temperature drying：Oil baffle after shaping is sent into low-temperature drier and carries out low temperature drying, it is 45- to control drying temperature 55 DEG C, dry to the oil baffle moisture content of shaping and be less than 5%；（9）Fire：Oil baffle after shaping is sent into tunnel cave to be fired；（10）The oil baffle covering china protective layer completed will be fired, concrete technology is:A, dispensing；B, crush:Each raw material of china protective layer is added in ball mill and carries out mixing and ball milling, water is added and forms glaze slip；C, iron removaling is sieved：Above-mentioned glaze slip is filtered with the screen cloth of 200 mesh to 380 mesh, tramp iron separator iron removaling is used after filtering；D, process is stirred in filter：Water unnecessary in glaze slip in previous step is filtered off, the moisture content of glaze slip is in 26-32% after filterE, coat：The glaze slip modulated is coated in the outer surface of oil baffle, thickness 0.35-0.85mm；F, it is calcined：The oil baffle for having coated glaze slip is sent into tunnel cave roasting, china protective layer is formed after cooling；（11）Spray for the first time：Oil baffle after covering china protective layer is used into Ultrasonic Arc Sprayed 1Cr13 coatings, 1Cr13 coating sprayings thickness is 40 ± 10 μm；（12）Second of spraying：Using Ultrasonic Arc Sprayed pure aluminum coating, pure aluminum coating coating thickness is 80 ± 30 μm；（13）Pre-oxidation：Spraying uses oxyacetylene torch to pure aluminum coating surface preoxidizing after terminating.
- 2. ventilation cap of high speed gear case oil baffle according to claim 1, it is characterised in that：The china protective layer The mass percent composition of each composition is in raw material：Quartz:2.11-2.52%, feldspar:1.66-2.12%, bone black：7.24- 7.78%th, talcum powder：3.53-4.15%, aluminium powder：3.25-3.53%, silica flour：4.65-4.83%, calcium oxide：2.13-2.46%, oxygen Change magnesium：2.11-2.36%, surplus are kaolin.
- 3. ventilation cap of high speed gear case oil baffle according to claim 2, it is characterised in that：Each component in its raw material Mass percent is：Tungsten carbide:0.55%, montmorillonite:1.36%, kaolin:1.68%, bone black：3.48%, aluminum oxide：2.23%, Magnesia：1.47%, cupric oxide：1.19%, iron oxide：0.57%, AlN:0.44%, wollastonite:1.25%, diopside: 0.58%, talcum powder:0.67%, anti-aging agent RD:0.39%, Fe:0.69%, iron hydroxide：0.26%, Al:1.36%,Zn: 0.77%,Mn：0.46%, Cr：0.04%, Ni：1.27%, Cu：0.68%, Mo：0.03%, Ti：1.27%, Pd：0.15%,Pt： 0.04%,W：0.59%,Ce：0.03%,Eu：0.08%,Lu:0.06%, Au：0.35%, Ag:0.67%, Sn：0.49%, Zr：0.02%, Re：0.03%, surplus is clay.
- 4. ventilation cap of high speed gear case oil baffle according to claim 2, it is characterised in that：Each component in its raw material Mass percent is：Tungsten carbide:0.73%, montmorillonite:1.45%, kaolin:1.78%, bone black：3.62%, aluminum oxide：2.33%, Magnesia：1.66%, cupric oxide：1.21%, iron oxide：0.63%, AlN:0.56%, wollastonite:1.32%, diopside: 0.68%, talcum powder:0.82%, anti-aging agent RD:0.51%, Fe:0.87%, iron hydroxide：0.32%, Al:1.43%,Zn: 1.12%,Mn：0.48%, Cr：0.04%, Ni：1.33%, Cu：0.72%, Mo：0.03%, Ti：1.38%, Pd：0.16%,Pt： 0.07%,W：0.64%,Ce：0.07%,Eu：0.11%,Lu:0.06%, Au：0.41%, Ag:0.82%, Sn：0.62%, Zr：0.03%, Re：0.03%, surplus is clay.
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Denomination of invention: Oil baffle plate for high-speed gear case vent cap Effective date of registration: 20190929 Granted publication date: 20180406 Pledgee: Nanjing Bank Co., Ltd. Chengnan Branch Pledgor: Nanjing Chuan Bei high-speed drive Machinery Co., Ltd. Registration number: Y2019320000172 |
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