CN108950396A - A kind of passive helical gear corrosion resistant metal coating of differential mechanism 20CrMnTi steel - Google Patents
A kind of passive helical gear corrosion resistant metal coating of differential mechanism 20CrMnTi steel Download PDFInfo
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
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- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/18—Hardening; Quenching with or without subsequent tempering
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- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/32—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for gear wheels, worm wheels, or the like
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- 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
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- C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
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- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
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- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium with titanium or zirconium
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- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
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- 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
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
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- 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
- C23C4/073—Metallic material containing MCrAl or MCrAlY alloys, where M is nickel, cobalt or iron, with or without non-metal elements
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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
- C23C4/12—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
- C23C4/131—Wire arc spraying
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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
- C23C4/18—After-treatment
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Abstract
The present invention provides a kind of differential mechanism 20CrMnTi steel passively helical gear corrosion resistant metal coating, the passive helical gear chemical element component of steel and its mass percentage are as follows: C:0.18%-0.22%, Si:0.25%-0.3%, Mn:0.5%-0.9%, Cr:1.2%-2.0%, Ti:0.02%-0.08%, P < 0.04%, S < 0.04%, the surplus are iron；The chemical element component and its mass percentage of the corrosion resistant metal coating are as follows: C:0.06-0.08%, Cr:20-30%, Ni:12.25-15.43%, Al:1.5-3%, Ti:0.1-0.2%, Cu:0.3-0.5%, Mg:0.13-0.15%, Re:0.3-0.5%, La:0.32-0.38%, Ce:0.2-0.52%, the surplus are iron；The corrosion resistant metal coating by preparing powder cored filament material, surface treatment, spraying process, second of tempering are prepared.Corrosion resistant metal coating of the invention can improve passive helical gear corrosion resistance and wear-resisting property, increase passive helical gear service life.
Description
Technical field
The present invention relates to the technical field for improving mechanical part corrosion resistance and wear-resisting property, in particular to a kind of differentials
The passive helical gear corrosion resistant metal coating of device 20CrMnTi steel.
Background technique
Corrosion is a kind of slow chemical or electrochemical process, it refers to that metal material causes with the effects of oxygen gas and water
The natural phenomena of itself fail and destruction.Because driving member needs longtime running, the temperature of operation is high, and there was dampness in the air, to transmission
The components such as axis and transmission gear cause to corrode, and bring huge loss to production so as to cause the problem of equipment damage.Therefore,
It needs to spray one layer of etch-proof metal coating on transmission parts to extend driving section to improve the corrosion resistance of transmission parts
The service life of part.However, different spraying process will affect the size of the porosity of metal coating, and porosity is to metal coating
The influence of performance is then most important, and the spraying process of general corrosion-resistant metal coating only sprays transmission parts surface,
And the forging technology of unbonded transmission parts improves, the porosity of anticorrosion with painting erosion resisting coating is big, and then metal coating
Compactness is poor, and the corrosion resistance of metal coating is not strong, cannot reach the requirement of transmission parts corrosion resistance.Therefore, it is necessary to
Develop a kind of corrosion resistant metal coating of Novel transmission component.
Summary of the invention
The purpose of the present invention is to provide a kind of passive helical gear corrosion resistant metal coating of differential mechanism 20CrMnTi steel, purports
Passive helical gear Corrosion Protection and wear-resisting property are being improved, and then is increasing passive helical gear service life.
The present invention provides a kind of differential mechanism 20CrMnTi steel passively helical gear corrosion resistant metal coating, the 20CrMnTi
The passive helical gear chemical element component of steel and its mass percentage are as follows: C:0.18%-0.22%, Si:0.25%-0.3%,
Mn:0.5%-0.9%, Cr:1.2%-2.0%, Ti:0.02%-0.08%, P < 0.04%, S < 0.04%, the surplus are
Iron；The chemical element component and its mass percentage of the corrosion resistant metal coating are as follows: C:0.06-0.08%, Cr:20-
30%, Ni:12.25-15.43%, Al:1.5-3%, Ti:0.1-0.2%, Cu:0.3-0.5%, Mg:0.13-0.15%, Re:
0.3-0.5%, La:0.32-0.38%, Ce:0.2-0.52%, the surplus are iron；The processing of the corrosion resistant metal coating
Technique sequentially includes the following steps:
Step S1: it prepares powder cored filament material: by C, Cr, Ni, Al, Ti, Cu, Mg, Re, La by mixing powder, molding, drawing, obtaining
To powder cored filament material；
Step S2: surface treatment: it is box to be put into RX3 after two-stage quenches for the passive helical gear of differential mechanism 20CrMnTi steel
First time tempering is carried out in electric furnace；
Step S3: spraying process: the passive helical gear of differential mechanism 20CrMnTi steel after first time is tempered is immediately by powder
Core-wire material is sprayed into gear surface and forms corrosion resistant metal coating；
S4: second tempering of step: and then the is carried out to the passive helical gear of differential mechanism 20CrMnTi steel after spraying
Double tempering processing.
As a further improvement of the present invention, the technique of the first time tempering in step S2 are as follows: tempering temperature is
500-650 DEG C, 2h is kept the temperature, oil is cooled to room temperature.
As a further improvement of the present invention, the technique of second of tempering of step S4 are as follows: tempering temperature 650-700
DEG C, 1.5h is kept the temperature, air blast is air-cooled to room temperature.
As a further improvement of the present invention, spraying parameter in step S3 are as follows: voltage 28-30V, electric current 160-
240A, spray distance 80-100mm, compressed air pressure 0.4-0.6MPa.
As a further improvement of the present invention, spraying parameter in step S3 are as follows: voltage 30V, electric current 220A, spraying away from
From for 80mm, compressed air pressure 0.4MPa.
As a further improvement of the present invention, the ingredient of corrosion resistant metal coating is by mass percentage are as follows: C:0.07-
0.08%, Cr:25-30%, Ni:14.25-15.43%, Al:2.0-3%, Ti:0.15-0.2%, Cu:0.4-0.5%, Mg:
0.14-0.15%, Re:0.4-0.5%, La:0.35-0.38%, Ce:0.35-0.52%, the surplus are iron.
As a further improvement of the present invention, the thickness of the corrosion resistant metal coating are as follows: 0.3-0.5mm.
Compared with prior art, the invention has the following advantages:
1. the present invention is different from the general spraying for only carrying out anticorrosion with painting erosion metal coating to finished product transmission parts surface
Technique, production heat treatment process when finished product not formed in conjunction with passive helical gear improve, the hole of anticorrosion with painting erosion resisting coating
Rate is small, and then the compactness of metal coating is high, and the anti-peel strength of metal coating is big, the corrosion-resistant metal coating obtained from
Corrosion Protection it is high.
2. the process conditions of present invention control applying coating, passive helical teeth wheel surface is in high temperature shape after first time is tempered
Upper erosion shield is just sprayed under state, and the particle in corrosion-resistant metal dope layer on the one hand can be made to carry out " re-melting ", so that
Resolidification after uniform particle distribution in corrosion-resistant metal dope layer, can greatly reduce the hole of corrosion-resistant metal dope layer
Rate increases compactness, the uniformity of coating, on the other hand the state that passive helical gear is in high temperature carry out spraying can increase it is anti-
Corrode metal coating and passive helical gear bond strength, this two aspect carry out collaboration increase metal coating corrosion resistance and
Wear-resisting property.
3. the present invention sprays passive helical gear after first time is tempered, after corrosion-resistant metal coating with it is passive tiltedly
The residence time is long at high temperature for gear, and the element transitions such as Cr, C, Ni, Ce in corrosion-resistant metal coating have arrived passive helical gear
In, it is tempered using second, the element being transitioned into passive helical gear plays a role, and Ce element refines inside passive helical gear
Tissue, internal stress, which is eliminated, repairs quenched crackle, and the content of passive helical gear Cr, C, Ce element in forging has also been enlarged
Boundary improves the constituent contents such as passive helical gear Cr, C, Ni in a manner of coating, improves passive helical gear hardness, strong
Degree and toughness.
4. the present invention uses rare earth element ce, materials microstructure performance can obviously improve, improve degree of grain refinement, increase
The compactness of powder cored filament material, and then the hole of coating surface is reduced, high temperature surface, which is sprayed on, after first time is tempered forms coating,
The time of coating layer touch high-temperature substrate is long, and Ce element penetrates into passive helical gear, can make passive helical gear crystal grain more refinement
It is small, in a jumble, effectively divide original austenite grain, the long large space of second of tempering phase-change organization of limitation reaches thinning microstructure
And make substructure diversification in original austenite grain, to increase passive helical gear impact flexibility.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with specific embodiment.Obviously, described
Embodiment be only a part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiment of the present invention, ability
Domain those of ordinary skill every other embodiment obtained without creative efforts, belongs to guarantor of the present invention
The range of shield.
The present invention discloses a kind of passive helical gear corrosion resistant metal coating of differential mechanism 20CrMnTi steel, specific embodiment parties
Formula is as follows.
Embodiment 1
The present invention provides a kind of differential mechanism 20CrMnTi steel passively helical gear corrosion resistant metal coating, the 20CrMnTi
The passive helical gear chemical element component of steel and its mass percentage are as follows: C:0.18%-0.22%, Si:0.25%-0.3%,
Mn:0.5%-0.9%, Cr:1.2%-2.0%, Ti:0.02%-0.08%, P < 0.04%, S < 0.04%, the surplus are
Iron；The chemical element component and its mass percentage of the corrosion resistant metal coating are as follows: C:0.0%, Cr:20%, Ni:
12.25%, Al:1.5%, Ti:0.1%, Cu:0.3%, Mg:0.13%, Re:0.3%, La:0.32%, Ce:0.2%, it is described
Surplus is iron；The treatment process of the corrosion resistant metal coating sequentially includes the following steps:
Step S1: it prepares powder cored filament material: by C, Cr, Ni, Al, Ti, Cu, Mg, Re, La by mixing powder, molding, drawing, obtaining
To powder cored filament material；
Step S2: surface treatment: it is box to be put into RX3 after two-stage quenches for the passive helical gear of differential mechanism 20CrMnTi steel
It is 500 DEG C that tempering temperature is carried out in electric furnace, keeps the temperature 2h, and oil is cooled to the first time tempering of room temperature；
Step S3: spraying process: the passive helical gear of differential mechanism 20CrMnTi steel after first time is tempered is immediately by powder
Core-wire material is voltage 28-30V, electric current 160-240A, spray distance 80-100mm, compressed air pressure 0.4- in parameter
Be sprayed under conditions of 0.6MPa gear surface formed corrosion resistant metal coating, corrosion-resistant finishes with a thickness of 0.3mm；
S4: second tempering of step: and then the is carried out to the passive helical gear of differential mechanism 20CrMnTi steel after spraying
Double tempering processing, keeps the temperature 1.5h by 650 DEG C of tempering temperature, and air blast is air-cooled to room temperature.
Embodiment 2
The present invention provides a kind of differential mechanism 20CrMnTi steel passively helical gear corrosion resistant metal coating, the 20CrMnTi
The passive helical gear chemical element component of steel and its mass percentage are as follows: C:0.18%-0.22%, Si:0.25%-0.3%,
Mn:0.5%-0.9%, Cr:1.2%-2.0%, Ti:0.02%-0.08%, P < 0.04%, S < 0.04%, the surplus are
Iron；The chemical element component and its mass percentage of the corrosion resistant metal coating are as follows: C:0.08%, Cr:30%, Ni:
15.43%, Al:3%, Ti:0.2%, Cu:0.5%, Mg:0.15%, Re:0.5%, La:0.38%, Ce:0.52%, it is described
Surplus is iron；The treatment process of the corrosion resistant metal coating sequentially includes the following steps:
Step S1: it prepares powder cored filament material: by C, Cr, Ni, Al, Ti, Cu, Mg, Re, La by mixing powder, molding, drawing, obtaining
To powder cored filament material；
Step S2: surface treatment: it is box to be put into RX3 after two-stage quenches for the passive helical gear of differential mechanism 20CrMnTi steel
It is 650 DEG C that tempering temperature is carried out in electric furnace, keeps the temperature 2h, and oil is cooled to the first time tempering of room temperature；
Step S3: spraying process: the passive helical gear of differential mechanism 20CrMnTi steel after first time is tempered is immediately by powder
Core-wire material is voltage 28-30V, electric current 160-240A, spray distance 80-100mm, compressed air pressure 0.4- in parameter
Be sprayed under conditions of 0.6MPa gear surface formed corrosion resistant metal coating, corrosion-resistant finishes with a thickness of 0.5mm；
S4: second tempering of step: and then the is carried out to the passive helical gear of differential mechanism 20CrMnTi steel after spraying
Double tempering processing, keeps the temperature 1.5h by 700 DEG C of tempering temperature, and air blast is air-cooled to room temperature.
Embodiment 3
The present invention provides a kind of differential mechanism 20CrMnTi steel passively helical gear corrosion resistant metal coating, the 20CrMnTi
The passive helical gear chemical element component of steel and its mass percentage are as follows: C:0.18%-0.22%, Si:0.25%-0.3%,
Mn:0.5%-0.9%, Cr:1.2%-2.0%, Ti:0.02%-0.08%, P < 0.04%, S < 0.04%, the surplus are
Iron；The chemical element component and its mass percentage of the corrosion resistant metal coating are as follows: C:0.07%, Cr:25%, Ni:
14.25%, Al:2%, Ti:0.15%, Cu:0.4%, Mg:0.14%, Re:0.4%, La:0.35%, Ce:0.35%, it is described
Surplus is iron；The treatment process of the corrosion resistant metal coating sequentially includes the following steps:
Step S1: it prepares powder cored filament material: by C, Cr, Ni, Al, Ti, Cu, Mg, Re, La by mixing powder, molding, drawing, obtaining
To powder cored filament material；
Step S2: surface treatment: it is box to be put into RX3 after two-stage quenches for the passive helical gear of differential mechanism 20CrMnTi steel
It is 600 DEG C that tempering temperature is carried out in electric furnace, keeps the temperature 2h, and oil is cooled to the first time tempering of room temperature；
Step S3: spraying process: the passive helical gear of differential mechanism 20CrMnTi steel after first time is tempered is immediately by powder
Core-wire material is voltage 28-30V, electric current 160-240A, spray distance 80-100mm, compressed air pressure 0.4- in parameter
Be sprayed under conditions of 0.6MPa gear surface formed corrosion resistant metal coating, corrosion-resistant finishes with a thickness of 0.4mm；
S4: second tempering of step: and then the is carried out to the passive helical gear of differential mechanism 20CrMnTi steel after spraying
Double tempering processing, keeps the temperature 1.5h by 680 DEG C of tempering temperature, and air blast is air-cooled to room temperature.
Choose the passive helical gear for preparing as sample according to GB/T9286-1998 progress adhesion property test, by
Salt water resistance test is carried out according to GB1763-1989 standard room temperature salt tolerant water law, carries out salt tolerant according to GB/T1771-1991 standard
Test result is as follows for mist performance: table 1 is passive helical gear corrosion resistance test result.
The passive helical gear performance indicator of table 1
Embodiment 1-3's the result shows that, the adhesion property of corrosion-resistant metal coating provided by the invention is good, salt water resistance and resistance to
Salt fog performance is high.
Above to a kind of passive helical gear corrosion resistant metal coating of differential mechanism 20CrMnTi steel provided by the present invention.This
Specific embodiment is applied in text, and principle and implementation of the present invention are described, and the explanation of above embodiments is only used
In facilitating the understanding of the method and its core concept of the invention.It should be pointed out that for those skilled in the art,
Without departing from the principle of the present invention, can be with several improvements and modifications are made to the present invention, these improvement and modification
It falls into the protection scope of the claims in the present invention.
Claims (7)
1. a kind of passive helical gear corrosion resistant metal coating of differential mechanism 20CrMnTi steel, it is characterised in that: the 20CrMnTi
The passive helical gear chemical element component of steel and its mass percentage are as follows: C:0.18%-0.22%, Si:0.25%-0.3%,
Mn:0.5%-0.9%, Cr:1.2%-2.0%, Ti:0.02%-0.08%, P < 0.04%, S < 0.04%, the surplus are
Iron；The chemical element component and its mass percentage of the corrosion resistant metal coating are as follows: C:0.06-0.08%, Cr:20-
30%, Ni:12.25-15.43%, Al:1.5-3%, Ti:0.1-0.2%, Cu:0.3-0.5%, Mg:0.13-0.15%, Re:
0.3-0.5%, La:0.32-0.38%, Ce:0.2-0.52%, the surplus are iron；The processing of the corrosion resistant metal coating
Technique sequentially includes the following steps:
Step S1: it prepares powder cored filament material: by C, Cr, Ni, Al, Ti, Cu, Mg, Re, La by mixing powder, molding, drawing, obtaining powder
Core-wire material；
Step S2: surface treatment: the passive helical gear of differential mechanism 20CrMnTi steel is put into RX3 cabinet-type electric furnace after two-stage quenches
Middle progress first time tempering；
Step S3: spraying process: the passive helical gear of differential mechanism 20CrMnTi steel after first time is tempered is immediately by powder core wire
Material is sprayed into gear surface and forms corrosion resistant metal coating；
S4: second tempering of step: and then the passive helical gear of differential mechanism 20CrMnTi steel after spraying is carried out second
Tempering.
2. passively helical gear corrosion resistant metal coating, feature exist differential mechanism 20CrMnTi steel according to claim 1
In: the technique of the first time tempering in step S2 are as follows: tempering temperature is 500-650 DEG C, keeps the temperature 2h, and oil is cooled to room temperature.
3. passively helical gear corrosion resistant metal coating, feature exist differential mechanism 20CrMnTi steel according to claim 1
In: the technique of second of tempering of step S4 are as follows: 650-700 DEG C of tempering temperature, keep the temperature 1.5h, air blast is air-cooled to room temperature.
4. passively helical gear corrosion resistant metal coating, feature exist differential mechanism 20CrMnTi steel according to claim 1
In: spraying parameter in step S3 are as follows: voltage 28-30V, electric current 160-240A, spray distance 80-100mm, compressed air
Pressure is 0.4-0.6MPa.
5. passively helical gear corrosion resistant metal coating, feature exist differential mechanism 20CrMnTi steel according to claim 1
In: spraying parameter in step S3 are as follows: voltage 30V, electric current 220A, spray distance 80mm, compressed air pressure are
0.4MPa。
6. passively helical gear corrosion resistant metal coating, feature exist differential mechanism 20CrMnTi steel according to claim 1
In: the ingredient of the corrosion resistant metal coating is by mass percentage are as follows: C:0.07-0.08%, Cr:25-30%, Ni:14.25-
15.43%, Al:2.0-3%, Ti:0.15-0.2%, Cu:0.4-0.5%, Mg:0.14-0.15%, Re:0.4-0.5%, La:
0.35-0.38%, Ce:0.35-0.52%, the surplus are iron.
7. passively helical gear corrosion resistant metal coating, feature exist differential mechanism 20CrMnTi steel according to claim 1
In: the thickness of the corrosion resistant metal coating are as follows: 0.3-0.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810891381.5A CN108950396B (en) | 2018-08-07 | 2018-08-07 | Corrosion-resistant metal coating of 20CrMnTi steel passive helical gear of differential mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810891381.5A CN108950396B (en) | 2018-08-07 | 2018-08-07 | Corrosion-resistant metal coating of 20CrMnTi steel passive helical gear of differential mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN108950396A true CN108950396A (en) | 2018-12-07 |
| CN108950396B CN108950396B (en) | 2021-03-02 |
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| CN201810891381.5A Active CN108950396B (en) | 2018-08-07 | 2018-08-07 | Corrosion-resistant metal coating of 20CrMnTi steel passive helical gear of differential mechanism |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101191225A (en) * | 2006-11-22 | 2008-06-04 | 宝山钢铁股份有限公司 | Antiseptic wearable coat and coating method thereof |
| CN102286702A (en) * | 2011-08-15 | 2011-12-21 | 奥美合金材料科技(北京)有限公司 | Iron-based powder and parts prepared from same |
| CN106498291A (en) * | 2016-10-13 | 2017-03-15 | 南京创贝高速传动机械有限公司 | A kind of corrosion resistant metal coating of gear-box inner surface |
| CN106498290A (en) * | 2016-10-13 | 2017-03-15 | 南京创贝高速传动机械有限公司 | A kind of corrosion resistant metal coating of gear case external surface |
| WO2017142430A1 (en) * | 2016-02-15 | 2017-08-24 | Общество с ограниченной ответственностью "Технологические системы защитных покрытий" | Composition of a corrosion resistant coating for protecting petrochemical equipment |
| CN107457710A (en) * | 2017-09-26 | 2017-12-12 | 江苏飞腾铸造机械有限公司 | Shot-blasting machine roller-way with leakage device outside anti-pill |
| WO2018096387A1 (en) * | 2016-11-24 | 2018-05-31 | Arcelormittal | Hot-rolled and coated steel sheet for hot-stamping, hot-stamped coated steel part and methods for manufacturing the same |
-
2018
- 2018-08-07 CN CN201810891381.5A patent/CN108950396B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101191225A (en) * | 2006-11-22 | 2008-06-04 | 宝山钢铁股份有限公司 | Antiseptic wearable coat and coating method thereof |
| CN102286702A (en) * | 2011-08-15 | 2011-12-21 | 奥美合金材料科技(北京)有限公司 | Iron-based powder and parts prepared from same |
| WO2017142430A1 (en) * | 2016-02-15 | 2017-08-24 | Общество с ограниченной ответственностью "Технологические системы защитных покрытий" | Composition of a corrosion resistant coating for protecting petrochemical equipment |
| CN106498291A (en) * | 2016-10-13 | 2017-03-15 | 南京创贝高速传动机械有限公司 | A kind of corrosion resistant metal coating of gear-box inner surface |
| CN106498290A (en) * | 2016-10-13 | 2017-03-15 | 南京创贝高速传动机械有限公司 | A kind of corrosion resistant metal coating of gear case external surface |
| WO2018096387A1 (en) * | 2016-11-24 | 2018-05-31 | Arcelormittal | Hot-rolled and coated steel sheet for hot-stamping, hot-stamped coated steel part and methods for manufacturing the same |
| CN107457710A (en) * | 2017-09-26 | 2017-12-12 | 江苏飞腾铸造机械有限公司 | Shot-blasting machine roller-way with leakage device outside anti-pill |
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Denomination of invention: Corrosion resistant metal coating for 20CrMnTi steel passive helical gear of differential Effective date of registration: 20220523 Granted publication date: 20210302 Pledgee: Bank of China Limited Xiangyang Branch Pledgor: HUBEI WEINENGDA TRANSMISSION CO.,LTD. Registration number: Y2022980006104 |
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Address after: 441108 hupai Industrial Park, Xiangzhou District, Xiangyang City, Hubei Province Patentee after: Hubei Weinengda Kinetic Energy Technology Co.,Ltd. Address before: 441108 hupai Industrial Park, Xiangzhou District, Xiangyang City, Hubei Province Patentee before: HUBEI WEINENGDA TRANSMISSION CO.,LTD. |