CN106086677A - A kind of auto parts machinery engine sump tank - Google Patents

A kind of auto parts machinery engine sump tank Download PDF

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Publication number
CN106086677A
CN106086677A CN201610598410.XA CN201610598410A CN106086677A CN 106086677 A CN106086677 A CN 106086677A CN 201610598410 A CN201610598410 A CN 201610598410A CN 106086677 A CN106086677 A CN 106086677A
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oil sump
incubated
hours
parts
temperature
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田庭
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
    • F01M11/0004—Oilsumps
    • 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
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
    • C04B35/56—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides
    • C04B35/5607—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides based on refractory metal carbides
    • C04B35/5626—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides based on refractory metal carbides based on tungsten carbides
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/62222—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products obtaining ceramic coatings
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
    • C09D183/04—Polysiloxanes
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/08—Anti-corrosive paints
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/16—Antifouling paints; Underwater paints
    • C09D5/1656—Antifouling paints; Underwater paints characterised by the film-forming substance
    • C09D5/1662—Synthetic film-forming substance
    • C09D5/1675—Polyorganosiloxane-containing compositions
    • C—CHEMISTRY; METALLURGY
    • 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
    • C—CHEMISTRY; METALLURGY
    • 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/004—Heat treatment of ferrous alloys containing Cr and Ni
    • C—CHEMISTRY; METALLURGY
    • 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
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/005—Modifying the physical properties by deformation combined with, or followed by, heat treatment of ferrous alloys
    • C—CHEMISTRY; METALLURGY
    • 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
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • C21D8/0226—Hot rolling
    • 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
    • C22C38/008—Ferrous alloys, e.g. steel alloys containing tin
    • 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
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • 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
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • 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
    • C22C38/12—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
    • C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
    • 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
    • C23C24/00—Coating starting from inorganic powder
    • C23C24/08—Coating starting from inorganic powder by application of heat or pressure and heat
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
    • C04B2235/3244—Zirconium oxides, zirconates, hafnium oxides, hafnates, or oxide-forming salts thereof
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    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3418—Silicon oxide, silicic acids, or oxide forming salts thereof, e.g. silica sol, fused silica, silica fume, cristobalite, quartz or flint
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
    • F01M11/0004—Oilsumps
    • F01M2011/0091—Oilsumps characterised by used materials

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Abstract

A kind of engine sump tank, including oil sump body, oil sump body has square-section cell body, cell body top is provided with installation edge, in rectangular channel body, surface-coated has a tungsten carbide system coating, rectangular channel external surface coating corrosion resistance coating, by ferroalloy oil sump cell body inner surface coated with tungsten carbide system coating, improve corrosion resisting property, oil sump cell body outer surface is formed with organic coating and is effectively improved weather-proof antifouling property.

Description

A kind of auto parts machinery engine sump tank
Technical field
The present invention relates to a kind of engine sump tank, belongs to technical field of automobile.
Background technology
Oil sump is positioned at electromotor bottom, dismantled and assembled.Traditional oil sump is many to be stamped to form by sheet metal, but it deposits simultaneously In following shortcoming or deficiency: Seepage often occurs；Add fuel consumption, waste the energy, increase operating cost；Add Machine components wear and tear, and state of the art deteriorates, power drop；Shorten the service life of machine components, strengthen the cost of repairs；Impact Electromotor appearance and machine be clean and tidy and the quality of launch metrics.
Summary of the invention
A kind of technique that the present invention is aiming at the problems referred to above and proposes is simple, good the starting of low cost, corrosion resistance Oil pan.
A kind of engine sump tank, including oil sump body 1, oil sump body 1 has square-section cell body, on cell body Portion is provided with installation edge, and in rectangular channel body, surface-coated has tungsten carbide system coating, and rectangular channel external surface coats corrosion resistance coating,
It is characterized in that: oil sump body chemistry consists of (percentage by weight): C:0.067, Cr:8.6, Ni:3.8, W:0.67, Si:0.48, Cu:0.29, Nb:0.28, V:0.17, Ti:0.086, Sn:0.046, Mn: 0.027, Mg:0.027, Ta:0.018, Y:0.018, surplus is Fe and inevitable impurity；
Oil sump preparation method: comprise the following steps: according to aforementioned proportion alloyage, raw material melting, cast, after the demoulding, obtain To ingot casting carry out heat treatment: first being heated by ingot casting, be warming up to 800 DEG C, heating rate 75 DEG C/h, insulation is 3 little Time, after be cooled to 600 DEG C, rate of temperature fall 100 DEG C/h, be incubated 3 hours, after be warming up to 750 DEG C, heating rate 20 DEG C/little Time, be incubated 3 hours, after be again cooled to 500 DEG C, rate of temperature fall 40 DEG C/h, be incubated 5 hours, after be again cooled to 250 DEG C, Rate of temperature fall 50 DEG C/h, is incubated 2 hours, rear air cooling to room temperature,
Forging: ingot casting is heated to 1100 DEG C be incubated 3 hours, after forge, open forging temperature 1100 DEG C, by vertical for ingot casting upsetting Slightly, 40mm pause 4s often depressed by forcing press, final forging temperature 850 DEG C,
Rolling: being heated by the blank after forging, heating-up temperature 1000 DEG C, split rolling method uses 7 passages, passage phase during cogging Controlling reduction ratio at 15-18%, mill speed controls slab after 8mm/s, cogging and is incubated at 800 DEG C, temperature retention time 3 Hour, after be warming up to 1100 DEG C, temperature retention time controls at 2 hours, and then blanket carries out hot rolling, hot rolling 11 passage, first mill train Secondary relative reduction ratio 8%, other passages control at 10-15% relative to reduction ratio, and mill speed controls at 50mm/s, finishing temperature At 820 DEG C；Sheet metal thickness 2mm, after rolling, air cooling is to room temperature,
Punching press: sheet material is heated to 800 DEG C and carries out punching press, air cooling, to room temperature, obtains oil sump body,
Heat treatment: oil sump body be heated to 750 DEG C be incubated 3 hours, after quench, hardening media is water, after quenching again Be heated to 500 DEG C be incubated 3 hours, after be cooled to 350 DEG C, rate of temperature fall 60 DEG C/h, be incubated 2 hours, after be again cooled to 250 DEG C, rate of temperature fall 50 DEG C/h, be incubated 3 hours, rear air cooling to room temperature,
Sandblasting is roughened: inner surface and the outer surface of rectangle cell body in oil sump body are carried out sandblasting roughening treatment, and sand grains is stone Sand, the size of sand grains is 20 mesh, and blasting pressure is 0.4MPa, and sand-blasting gun is 40mm away from workpiece distance, with compression sky after sandblasting Air-blowing is clean；
Inner surface coats: oil sump cell body inner surface is coated tungsten carbide system coating；By being coated in oil sump cell body Surface forms tungsten carbide system coating, and tungsten carbide series ceramic material layer includes (weight): tungsten carbide 50 parts, zirconium oxide 27 parts, oxygen SiClx 18 parts, heats the oil sump after coating, is warming up to 700 DEG C, and heating rate 100 DEG C/h is incubated 4 hours, After be cooled to 550 DEG C, rate of temperature fall 60 DEG C/h, be incubated 3 hours, after be again cooled to 200 DEG C, rate of temperature fall 30 DEG C/little Time, be incubated 7 hours, rear air cooling to room temperature,
Outer surface: oil sump cell body outer surface is coated corrosion resistance coating, described coating includes (weight): organosilicon tree 129 parts of fat, sodium silicate 20 parts, 20 parts of glass dust, Pulvis Talci 10 parts, ethylenediamine 5 parts, 3 parts of magnesium chloride, zinc phosphate 5 parts, poly-methyl Acrylimide 1.7 parts, obtains final oil sump.
Foregoing invention content having the beneficial effects that relative to prior art: 1) composition of ferroalloy is simple；2) because of the oil end Shell cell body inner surface Long Term Contact oils and fats, can cause damage to its inner surface, and 3) by ferroalloy oil sump cell body inner surface Coated with tungsten carbide system coating, improves corrosion resisting property.4) oil sump cell body outer surface is formed organic coating and is effectively improved weather-proof anti- Dirty performance.
Accompanying drawing explanation
Fig. 1 is oil sump body sectional view.
Detailed description of the invention
In order to the technical characteristic of the present invention, purpose and effect are more clearly understood from, now describe the present invention's in detail Detailed description of the invention.
Oil sump body sectional view as shown in Figure 1, oil sump body, oil sump body has square-section cell body, at groove Body top is provided with installation edge 3, and in rectangular channel body, surface 1 is coated with tungsten carbide system coating (not shown), the external table of rectangular channel Face 2 coats corrosion resistance coating (not shown),
Embodiment 1
A kind of engine sump tank, including oil sump body 1, oil sump body 1 has square-section cell body, sets on cell body top Being equipped with installation edge, in rectangular channel body, surface-coated has tungsten carbide system coating, and rectangular channel external surface coats corrosion resistance coating,
It is characterized in that: oil sump body chemistry consists of (percentage by weight): C:0.067, Cr:8.6, Ni:3.8, W:0.67, Si:0.48, Cu:0.29, Nb:0.28, V:0.17, Ti:0.086, Sn:0.046, Mn: 0.027, Mg:0.027, Ta:0.018, Y:0.018, surplus is Fe and inevitable impurity；
Oil sump preparation method: comprise the following steps: according to aforementioned proportion alloyage, raw material melting, cast, after the demoulding, obtain To ingot casting carry out heat treatment: first being heated by ingot casting, be warming up to 800 DEG C, heating rate 75 DEG C/h, insulation is 3 little Time, after be cooled to 600 DEG C, rate of temperature fall 100 DEG C/h, be incubated 3 hours, after be warming up to 750 DEG C, heating rate 20 DEG C/little Time, be incubated 3 hours, after be again cooled to 500 DEG C, rate of temperature fall 40 DEG C/h, be incubated 5 hours, after be again cooled to 250 DEG C, Rate of temperature fall 50 DEG C/h, is incubated 2 hours, rear air cooling to room temperature,
Forging: ingot casting is heated to 1100 DEG C be incubated 3 hours, after forge, open forging temperature 1100 DEG C, by vertical for ingot casting upsetting Slightly, 40mm pause 4s often depressed by forcing press, final forging temperature 850 DEG C,
Rolling: being heated by the blank after forging, heating-up temperature 1000 DEG C, split rolling method uses 7 passages, passage phase during cogging Controlling reduction ratio at 15-18%, mill speed controls slab after 8mm/s, cogging and is incubated at 800 DEG C, temperature retention time 3 Hour, after be warming up to 1100 DEG C, temperature retention time controls at 2 hours, and then blanket carries out hot rolling, hot rolling 11 passage, first mill train Secondary relative reduction ratio 8%, other passages control at 10-15% relative to reduction ratio, and mill speed controls at 50mm/s, finishing temperature At 820 DEG C；Sheet metal thickness 2mm, after rolling, air cooling is to room temperature,
Punching press: sheet material is heated to 800 DEG C and carries out punching press, air cooling, to room temperature, obtains oil sump body,
Heat treatment: oil sump body be heated to 750 DEG C be incubated 3 hours, after quench, hardening media is water, after quenching again Be heated to 500 DEG C be incubated 3 hours, after be cooled to 350 DEG C, rate of temperature fall 60 DEG C/h, be incubated 2 hours, after be again cooled to 250 DEG C, rate of temperature fall 50 DEG C/h, be incubated 3 hours, rear air cooling to room temperature,
Sandblasting is roughened: inner surface and the outer surface of rectangle cell body in oil sump body are carried out sandblasting roughening treatment, and sand grains is stone Sand, the size of sand grains is 20 mesh, and blasting pressure is 0.4MPa, and sand-blasting gun is 40mm away from workpiece distance, with compression sky after sandblasting Air-blowing is clean；
Inner surface coats: oil sump cell body inner surface is coated tungsten carbide system coating；By being coated in oil sump cell body Surface forms tungsten carbide system coating, and tungsten carbide series ceramic material layer includes (weight): tungsten carbide 50 parts, zirconium oxide 27 parts, oxidation Silicon 18 parts, heats the oil sump after coating, is warming up to 700 DEG C, and heating rate 100 DEG C/h is incubated 4 hours, after Be cooled to 550 DEG C, rate of temperature fall 60 DEG C/h, be incubated 3 hours, after be again cooled to 200 DEG C, rate of temperature fall 30 DEG C/h, Be incubated 7 hours, rear air cooling to room temperature,
Outer surface: oil sump cell body outer surface is coated corrosion resistance coating, described coating includes (weight): organosilicon tree 129 parts of fat, sodium silicate 20 parts, 20 parts of glass dust, Pulvis Talci 10 parts, ethylenediamine 5 parts, 3 parts of magnesium chloride, zinc phosphate 5 parts, poly-methyl Acrylimide 1.7 parts, obtains final oil sump.

Claims (1)

1. an auto parts machinery engine sump tank, including oil sump body 1, oil sump body 1 has square-section cell body, Cell body top is provided with installation edge, and in rectangular channel body, surface-coated has tungsten carbide system coating, and the coating of rectangular channel external surface is resistance to Erosion coating,
It is characterized in that: oil sump body chemistry consists of (percentage by weight): C:0.067, Cr:8.6, Ni:3.8, W:0.67, Si:0.48, Cu:0.29, Nb:0.28, V:0.17, Ti:0.086, Sn:0.046, Mn: 0.027, Mg:0.027, Ta:0.018, Y:0.018, surplus is Fe and inevitable impurity；
Oil sump preparation method: comprise the following steps: according to aforementioned proportion alloyage, raw material melting, cast, after the demoulding, obtain To ingot casting carry out heat treatment: first being heated by ingot casting, be warming up to 800 DEG C, heating rate 75 DEG C/h, insulation is 3 little Time, after be cooled to 600 DEG C, rate of temperature fall 100 DEG C/h, be incubated 3 hours, after be warming up to 750 DEG C, heating rate 20 DEG C/little Time, be incubated 3 hours, after be again cooled to 500 DEG C, rate of temperature fall 40 DEG C/h, be incubated 5 hours, after be again cooled to 250 DEG C, Rate of temperature fall 50 DEG C/h, is incubated 2 hours, rear air cooling to room temperature,
Forging: ingot casting is heated to 1100 DEG C be incubated 3 hours, after forge, open forging temperature 1100 DEG C, by vertical for ingot casting upsetting Slightly, 40mm pause 4s often depressed by forcing press, final forging temperature 850 DEG C,
Rolling: being heated by the blank after forging, heating-up temperature 1000 DEG C, split rolling method uses 7 passages, passage phase during cogging Controlling reduction ratio at 15-18%, mill speed controls slab after 8mm/s, cogging and is incubated at 800 DEG C, temperature retention time 3 Hour, after be warming up to 1100 DEG C, temperature retention time controls at 2 hours, and then blanket carries out hot rolling, hot rolling 11 passage, first mill train Secondary relative reduction ratio 8%, other passages control at 10-15% relative to reduction ratio, and mill speed controls at 50mm/s, finishing temperature At 820 DEG C；Sheet metal thickness 2mm, after rolling, air cooling is to room temperature,
Punching press: sheet material is heated to 800 DEG C and carries out punching press, air cooling, to room temperature, obtains oil sump body,
Heat treatment: oil sump body be heated to 750 DEG C be incubated 3 hours, after quench, hardening media is water, after quenching again Be heated to 500 DEG C be incubated 3 hours, after be cooled to 350 DEG C, rate of temperature fall 60 DEG C/h, be incubated 2 hours, after be again cooled to 250 DEG C, rate of temperature fall 50 DEG C/h, be incubated 3 hours, rear air cooling to room temperature,
Sandblasting is roughened: inner surface and the outer surface of rectangle cell body in oil sump body are carried out sandblasting roughening treatment, and sand grains is stone Sand, the size of sand grains is 20 mesh, and blasting pressure is 0.4MPa, and sand-blasting gun is 40mm away from workpiece distance, with compression sky after sandblasting Air-blowing is clean；
Inner surface coats: oil sump cell body inner surface is coated tungsten carbide system coating；By being coated in oil sump cell body Surface forms tungsten carbide system coating, and tungsten carbide series ceramic material layer includes (weight): tungsten carbide 50 parts, zirconium oxide 27 parts, oxygen SiClx 18 parts, heats the oil sump after coating, is warming up to 700 DEG C, and heating rate 100 DEG C/h is incubated 4 hours, After be cooled to 550 DEG C, rate of temperature fall 60 DEG C/h, be incubated 3 hours, after be again cooled to 200 DEG C, rate of temperature fall 30 DEG C/little Time, be incubated 7 hours, rear air cooling to room temperature,
Outer surface: oil sump cell body outer surface is coated corrosion resistance coating, described coating includes (weight): organosilicon tree 129 parts of fat, sodium silicate 20 parts, 20 parts of glass dust, Pulvis Talci 10 parts, ethylenediamine 5 parts, 3 parts of magnesium chloride, zinc phosphate 5 parts, poly-methyl Acrylimide 1.7 parts, obtains final oil sump.
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