CN106957974A - A kind of motor vehicle gearbox and its manufacture method - Google Patents
A kind of motor vehicle gearbox and its manufacture method Download PDFInfo
- Publication number
- CN106957974A CN106957974A CN201710209186.5A CN201710209186A CN106957974A CN 106957974 A CN106957974 A CN 106957974A CN 201710209186 A CN201710209186 A CN 201710209186A CN 106957974 A CN106957974 A CN 106957974A
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- parts
- upper box
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- cooled
- incubated
- Prior art date
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- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 9
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 6
- 229910010293 ceramic material Inorganic materials 0.000 claims abstract description 85
- 239000011248 coating agent Substances 0.000 claims abstract description 74
- 238000000576 coating method Methods 0.000 claims abstract description 74
- 238000003763 carbonization Methods 0.000 claims abstract description 41
- 150000003608 titanium Chemical class 0.000 claims abstract description 41
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 36
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 34
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 claims abstract description 30
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 18
- 239000000203 mixture Substances 0.000 claims abstract description 18
- 239000003973 paint Substances 0.000 claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims abstract description 9
- 229910052782 aluminium Inorganic materials 0.000 claims description 48
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 48
- 239000004411 aluminium Substances 0.000 claims description 40
- 238000010438 heat treatment Methods 0.000 claims description 40
- 238000010792 warming Methods 0.000 claims description 32
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 27
- 239000000956 alloy Substances 0.000 claims description 25
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims description 24
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 claims description 24
- GNTDGMZSJNCJKK-UHFFFAOYSA-N divanadium pentaoxide Chemical compound O=[V](=O)O[V](=O)=O GNTDGMZSJNCJKK-UHFFFAOYSA-N 0.000 claims description 22
- 239000010936 titanium Substances 0.000 claims description 22
- 229910052719 titanium Inorganic materials 0.000 claims description 22
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 16
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 16
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 16
- 229910045601 alloy Inorganic materials 0.000 claims description 16
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 claims description 16
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims description 16
- 239000003795 chemical substances by application Substances 0.000 claims description 16
- 229960002050 hydrofluoric acid Drugs 0.000 claims description 16
- 230000003647 oxidation Effects 0.000 claims description 16
- 238000007254 oxidation reaction Methods 0.000 claims description 16
- 238000010791 quenching Methods 0.000 claims description 16
- 230000000171 quenching effect Effects 0.000 claims description 16
- 238000007670 refining Methods 0.000 claims description 16
- PUZPDOWCWNUUKD-UHFFFAOYSA-M sodium fluoride Chemical compound [F-].[Na+] PUZPDOWCWNUUKD-UHFFFAOYSA-M 0.000 claims description 16
- OERNJTNJEZOPIA-UHFFFAOYSA-N zirconium nitrate Chemical compound [Zr+4].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O OERNJTNJEZOPIA-UHFFFAOYSA-N 0.000 claims description 16
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 12
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 12
- 239000004925 Acrylic resin Substances 0.000 claims description 11
- 229920000178 Acrylic resin Polymers 0.000 claims description 11
- 229910021555 Chromium Chloride Inorganic materials 0.000 claims description 11
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 claims description 11
- 239000004695 Polyether sulfone Substances 0.000 claims description 11
- 229910052777 Praseodymium Inorganic materials 0.000 claims description 11
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 11
- 239000011651 chromium Substances 0.000 claims description 11
- QSWDMMVNRMROPK-UHFFFAOYSA-K chromium(3+) trichloride Chemical compound [Cl-].[Cl-].[Cl-].[Cr+3] QSWDMMVNRMROPK-UHFFFAOYSA-K 0.000 claims description 11
- 229910052802 copper Inorganic materials 0.000 claims description 11
- 239000008367 deionised water Substances 0.000 claims description 11
- 229910021641 deionized water Inorganic materials 0.000 claims description 11
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 11
- 239000012535 impurity Substances 0.000 claims description 11
- 229910052748 manganese Inorganic materials 0.000 claims description 11
- 239000011572 manganese Substances 0.000 claims description 11
- 229920000609 methyl cellulose Polymers 0.000 claims description 11
- 239000001923 methylcellulose Substances 0.000 claims description 11
- 229910052750 molybdenum Inorganic materials 0.000 claims description 11
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 11
- 229910052758 niobium Inorganic materials 0.000 claims description 11
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 11
- 229920006393 polyether sulfone Polymers 0.000 claims description 11
- 239000011347 resin Substances 0.000 claims description 11
- 229920005989 resin Polymers 0.000 claims description 11
- 229910052718 tin Inorganic materials 0.000 claims description 11
- 229910052725 zinc Inorganic materials 0.000 claims description 11
- 239000011701 zinc Substances 0.000 claims description 11
- LRXTYHSAJDENHV-UHFFFAOYSA-H zinc phosphate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O LRXTYHSAJDENHV-UHFFFAOYSA-H 0.000 claims description 11
- 229910000165 zinc phosphate Inorganic materials 0.000 claims description 11
- XAEWLETZEZXLHR-UHFFFAOYSA-N zinc;dioxido(dioxo)molybdenum Chemical compound [Zn+2].[O-][Mo]([O-])(=O)=O XAEWLETZEZXLHR-UHFFFAOYSA-N 0.000 claims description 11
- 229910052804 chromium Inorganic materials 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 9
- 238000002360 preparation method Methods 0.000 claims description 9
- BNGXYYYYKUGPPF-UHFFFAOYSA-M (3-methylphenyl)methyl-triphenylphosphanium;chloride Chemical compound [Cl-].CC1=CC=CC(C[P+](C=2C=CC=CC=2)(C=2C=CC=CC=2)C=2C=CC=CC=2)=C1 BNGXYYYYKUGPPF-UHFFFAOYSA-M 0.000 claims description 8
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 8
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 8
- 229910021380 Manganese Chloride Inorganic materials 0.000 claims description 8
- GLFNIEUTAYBVOC-UHFFFAOYSA-L Manganese chloride Chemical compound Cl[Mn]Cl GLFNIEUTAYBVOC-UHFFFAOYSA-L 0.000 claims description 8
- NPXOKRUENSOPAO-UHFFFAOYSA-N Raney nickel Chemical compound [Al].[Ni] NPXOKRUENSOPAO-UHFFFAOYSA-N 0.000 claims description 8
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 8
- 238000003723 Smelting Methods 0.000 claims description 8
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims description 8
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 claims description 8
- 229910000611 Zinc aluminium Inorganic materials 0.000 claims description 8
- 238000005275 alloying Methods 0.000 claims description 8
- HXFVOUUOTHJFPX-UHFFFAOYSA-N alumane;zinc Chemical compound [AlH3].[Zn] HXFVOUUOTHJFPX-UHFFFAOYSA-N 0.000 claims description 8
- 150000001398 aluminium Chemical class 0.000 claims description 8
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 claims description 8
- 229910052737 gold Inorganic materials 0.000 claims description 8
- 239000010931 gold Substances 0.000 claims description 8
- 238000009413 insulation Methods 0.000 claims description 8
- 229910052742 iron Inorganic materials 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 8
- 235000002867 manganese chloride Nutrition 0.000 claims description 8
- 239000011565 manganese chloride Substances 0.000 claims description 8
- 229940099607 manganese chloride Drugs 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 8
- 239000001103 potassium chloride Substances 0.000 claims description 8
- 235000011164 potassium chloride Nutrition 0.000 claims description 8
- 239000000377 silicon dioxide Substances 0.000 claims description 8
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 8
- 239000002893 slag Substances 0.000 claims description 8
- 229910052708 sodium Inorganic materials 0.000 claims description 8
- 239000011734 sodium Substances 0.000 claims description 8
- 239000011780 sodium chloride Substances 0.000 claims description 8
- 235000013024 sodium fluoride Nutrition 0.000 claims description 8
- 239000011775 sodium fluoride Substances 0.000 claims description 8
- 235000010344 sodium nitrate Nutrition 0.000 claims description 8
- 239000004317 sodium nitrate Substances 0.000 claims description 8
- 239000000126 substance Substances 0.000 claims description 8
- 239000002253 acid Substances 0.000 claims description 6
- SNRUBQQJIBEYMU-UHFFFAOYSA-N dodecane Chemical compound CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 claims description 4
- MZSDGDXXBZSFTG-UHFFFAOYSA-M sodium;benzenesulfonate Chemical compound [Na+].[O-]S(=O)(=O)C1=CC=CC=C1 MZSDGDXXBZSFTG-UHFFFAOYSA-M 0.000 claims description 2
- 230000003373 anti-fouling effect Effects 0.000 abstract description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 5
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 5
- 229910052721 tungsten Inorganic materials 0.000 description 5
- 239000010937 tungsten Substances 0.000 description 5
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- GOLXRNDWAUTYKT-UHFFFAOYSA-N 3-(1H-indol-3-yl)propanoic acid Chemical group C1=CC=C2C(CCC(=O)O)=CNC2=C1 GOLXRNDWAUTYKT-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- SEOVTRFCIGRIMH-UHFFFAOYSA-N indole-3-acetic acid Chemical group C1=CC=C2C(CC(=O)O)=CNC2=C1 SEOVTRFCIGRIMH-UHFFFAOYSA-N 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/02—Toothed members; Worms
- F16H55/06—Use of materials; Use of treatments of toothed members or worms to affect their intrinsic material properties
-
- 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
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
-
- 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
- C04B35/5611—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 titanium 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
- C09D181/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur, with or without nitrogen, oxygen, or carbon only; Coating compositions based on polysulfones; Coating compositions based on derivatives of such polymers
- C09D181/06—Polysulfones; Polyethersulfones
-
- 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
- C09D5/18—Fireproof paints including high temperature resistant 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
-
- 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
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/026—Alloys based on aluminium
-
- 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
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/03—Making non-ferrous alloys by melting using master alloys
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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
- C22C1/06—Making non-ferrous alloys with the use of special agents for refining or deoxidising
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/002—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working by rapid cooling or quenching; cooling agents used therefor
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
-
- 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
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
- C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
- C23C22/34—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing fluorides or complex fluorides
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/02—Toothed members; Worms
- F16H55/17—Toothed wheels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/032—Gearboxes; Mounting gearing therein characterised by the materials used
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Abstract
A kind of motor vehicle gearbox and its manufacture method, the gearbox includes lower box and upper box, lower box is connected to form gearbox cavity with upper box, power transmission shaft and gear are provided with gearbox cavity, the gear includes the tungsten carbide coating on gear and gear surface, the upper box inner surface is coated with alumina series ceramic material layer, the lower box inner surface is coated with carbonization titanium series ceramic material layer, upper box and nowel external surface coating heat-resisting paint, the composition of aluminium alloy are simple;Weather-proof antifouling property is effectively improved to box outer surface formation organic coating, by improving its wearability to gear outer surface coated with tungsten carbide coating.
Description
Technical field
The present invention relates to a kind of motor vehicle gearbox, belongs to technical field of automobile.
Background technology
In the keen competition of world's automobile market, each state all to high-quality, high reliability, lightweight, energy-conservation, it is low into
This direction is developed.Lightweight is shown as in terms of material, part steel (iron) part is replaced with aluminium alloy, to reach automobile to high-quality
Amount, the requirement of the development of low cost;Science is shown as in process aspect, replaces traditional technique to be carried to reach with advanced technologies
High semifinished product precision, reduces allowance, reduces raw materials consumption, reduces the purpose of cost.Further to expand aluminum alloy materials
In the utilization of vehicle structure and power assembly system, the preparation method and manufacturing process of existing aluminium alloy castings have been difficult to meet
This requirement.
The content of the invention
It is motor-driven that a kind of technique for being proposed aiming above mentioned problem of the present invention is simple, low cost, corrosion resistance are good
Car gearbox.
A kind of motor vehicle gearbox and its manufacture method, the gearbox include lower box and upper box, lower box with it is upper
Casing, which is connected to form in gearbox cavity, gearbox cavity, is provided with power transmission shaft and gear, the gear include gear and
The tungsten carbide coating on gear surface, the upper box inner surface is coated with alumina series ceramic material layer, the lower box
Inner surface is coated with carbonization titanium series ceramic material layer, upper box and nowel external surface coating heat-resisting paint,
It is characterized in that:Gear by finishing is coated tungsten carbide coating, tungsten carbide material thickness degree
0.3mm, the gear after coating is heated, and is warming up to 500 DEG C, 20 DEG C/h of heating rate, is incubated 4 hours, after be cooled to
400 DEG C, 50 DEG C/h of rate of temperature fall is incubated 4 hours, after be cooled to 200 DEG C again, 30 DEG C/h of rate of temperature fall, insulation 5 is small
When, after be air-cooled to room temperature, obtain being coated with the gear of tungsten carbide coating,
The upper box and lower box are aluminum alloy material, and aluminum alloy chemically composition is(Percentage by weight):Ni:8-9 ﹪,:
Fe:4-5 ﹪, Zn:2-3 ﹪, Mg:1-2 ﹪, Ti:0.7-0.8 ﹪, Mn 0.6-0.7 ﹪, Cu 0.4-0.5 ﹪, Sn:0.2-
0.3 ﹪, Nb:0.08-0.09 ﹪,:Ag 0.06-0.07 ﹪, Cr:0.05-0.06 ﹪, Pr:0.06-0.07 ﹪, Mo:0.08-
0.09 ﹪, surplus is Al and inevitable impurity;
The preparation method of upper box and lower box:Comprise the following steps:According to above-mentioned aluminum alloy chemical composition dispensing, first by aluminium ingot
It is added in smelting furnace, Control for Kiln Temperature is at 720 DEG C, and after after aluminium ingot fusing, temperature of aluminum liquid is raised to 730 DEG C and adds conjunction in the middle of nickel aluminium
Gold, after by furnace temperature be increased to 735 DEG C addition iron aluminium intermediate alloys;Furnace temperature is increased to 740 DEG C of addition zinc-aluminium intermediate alloys afterwards;Afterwards
Furnace temperature is increased to 745 DEG C and adds other alloying elements, rear furnace temperature is increased to 760 DEG C, refining cleanser is added, refines cleanser
Addition is the 0.8% of furnace charge amount, is stirred 40 minutes, stands 60 minutes, treats that slag is separated with molten metal, skim, rear to add covering
Agent, skims, upper box and lower box is poured into a mould respectively afterwards again after standing 30 minutes;Pouring temperature is 740 DEG C;Obtain
Upper box and lower box be heat-treated:Upper box and lower box are heated first, 580 DEG C, heating rate are warming up to
50 DEG C/h, 2 hours are incubated, Quenching Treatment is carried out afterwards, hardening media is water, by upper box and lower box from room after quenching
Temperature is heated to 500 DEG C, 100 DEG C/h of heating rate, is incubated 7 hours, after be cooled to 300 DEG C, 50 DEG C/h of rate of temperature fall is protected
Temperature 3 hours, after be cooled to 200 DEG C again, 50 DEG C/h of rate of temperature fall is incubated 9 hours, after be air-cooled to room temperature, the refining is net
Agent includes:Aluminium chloride 60%, aluminum nitrate 20%, potassium chloride 10%, sodium nitrate 5%, manganese chloride 5%, the coverture bag
Include:Aluminum sulfate 40%, barium sulfate 20%, sodium chloride 10%;Aluminium fluoric acid sodium 10%;Aluminum oxide 10%, sodium fluoride 10%, coverture
Total addition is the 0.8% of furnace charge amount,
Processing is passivated to upper box and lower box surface afterwards, wherein:Passivating solution is constituted(Weight):9 parts of frerrous chloride,
10-13 parts of niter cake, 10-11 parts of fluotitanic acid, 5-10 parts of hydrofluoric acid, 2-3 parts of zirconium nitrate, 1-2 parts of dodecyl sodium sulfate, water
25-35 parts;
Alumina series ceramic material is coated to upper box inner surface afterwards;By being coated in the formation oxidation of upper box inner surface
Aluminium series ceramic material layer, alumina series ceramic material layer thickness 0.5mm, alumina series ceramic material layer includes(Weight):Oxidation
40 parts of aluminium, 30-35 parts of titanium nitride, 5-10 parts of titanium oxide is heated the upper box after coating, is warming up to 400 DEG C, heating
60 DEG C/h of speed, is incubated 4 hours, after be cooled to 300 DEG C, 75 DEG C/h of rate of temperature fall is incubated 3 hours, after cool again
To 150 DEG C, 25 DEG C/h of rate of temperature fall is incubated 7 hours, after be air-cooled to room temperature,
Carbonization titanium series ceramic material is coated to lower box inner surface afterwards;By being coated in the formation carbonization of lower box inner surface
Titanium series ceramic material layer, be carbonized titanium series ceramic material thickness degree 0.5mm, and carbonization titanium series ceramic material layer includes(Weight):Carbonization
40 parts of titanium, 5 parts of silicon nitride, 5 parts of silica is heated the lower box after coating, is warming up to 350 DEG C, heating rate 50
DEG C/h, be incubated 4 hours, after be cooled to 250 DEG C, 100 DEG C/h of rate of temperature fall is incubated 3 hours, after be cooled to 150 again
DEG C, 75 DEG C/h of rate of temperature fall, be incubated 6 hours, after be air-cooled to room temperature,
Heat-resisting paint is coated to upper box and nowel external surface afterwards;The coating includes(Weight):Polyethersulfone resin
60 parts, 20-30 parts of acrylic resin, 10-15 parts of chromium chloride, 10-15 parts of talcum powder, 10-15 parts of vanadic anhydride, dodecane
10 parts of base benzene sulfonic acid sodium salt, 5 parts of ethylenediamine, 3 parts of zinc molybdate, 3 parts of trbasic zinc phosphate, 2 parts of methylcellulose, 100 parts of deionized water is obtained
Final casing.
A kind of described motor vehicle gearbox, aluminum alloy chemically, which is constituted, is(Percentage by weight):Ni:8 ﹪,:Fe:4 ﹪,
Zn :2 ﹪, Mg:1 ﹪, Ti:0.7 ﹪, Mn 0.6 ﹪, Cu 0.4 ﹪, Sn:0.2 ﹪, Nb:0.08 ﹪,:Ag 0.06 ﹪, Cr:
0.05 ﹪, Pr:0.06 ﹪, Mo:0.08 ﹪, surplus is Al and inevitable impurity.
A kind of described motor vehicle gearbox, aluminum alloy chemically, which is constituted, is(Percentage by weight):Ni:9 ﹪,:Fe:5 ﹪,
Zn :3 ﹪, Mg:2 ﹪, Ti:0.8 ﹪, Mn 0.7 ﹪, Cu 0.5 ﹪, Sn:0.3 ﹪, Nb:0.09 ﹪,:The ﹪ of Ag 0.07,
Cr:0.06 ﹪, Pr:0.07 ﹪, Mo:0.09 ﹪, surplus is Al and inevitable impurity.
A kind of described motor vehicle gearbox, aluminum alloy chemically, which is constituted, is(Percentage by weight):Ni:8.5 ﹪,:Fe:
4.5 ﹪, Zn:2.5 ﹪, Mg:1.5 ﹪, Ti:0.75 ﹪, Mn 0.65 ﹪, Cu 0.45 ﹪, Sn:0.25 ﹪, Nb:0.085 ﹪,:
Ag 0.065 ﹪, Cr:0.055 ﹪, Pr:0.065 ﹪, Mo:0.085 ﹪, surplus is Al and inevitable impurity.
A kind of described motor vehicle gearbox, alumina series ceramic material layer includes(Weight):40 parts of aluminum oxide, nitridation
30 parts of titanium, 5 parts of titanium oxide.
A kind of described motor vehicle gearbox, alumina series ceramic material layer includes(Weight):40 parts of aluminum oxide, nitridation
35 parts of titanium, 10 parts of titanium oxide.
A kind of described motor vehicle gearbox, alumina series ceramic material layer includes(Weight):40 parts of aluminum oxide, nitridation
33 parts of titanium, 7 parts of titanium oxide.
A kind of described motor vehicle gearbox, coating includes(Weight):60 parts of polyethersulfone resin, 20 parts of acrylic resin,
10 parts of chromium chloride, 10 parts of talcum powder, 10 parts of vanadic anhydride, 10 parts of neopelex, 5 parts of ethylenediamine, zinc molybdate 3
Part, 3 parts of trbasic zinc phosphate, 2 parts of methylcellulose, 100 parts of deionized water.
A kind of described motor vehicle gearbox, coating includes(Weight):60 parts of polyethersulfone resin, 30 parts of acrylic resin,
15 parts of chromium chloride, 15 parts of talcum powder, 15 parts of vanadic anhydride, 10 parts of neopelex, 5 parts of ethylenediamine, zinc molybdate 3
Part, 3 parts of trbasic zinc phosphate, 2 parts of methylcellulose, 100 parts of deionized water.
A kind of described motor vehicle gearbox, coating includes(Weight):60 parts of polyethersulfone resin, 25 parts of acrylic resin,
13 parts of chromium chloride, 13 parts of talcum powder, 13 parts of vanadic anhydride, 10 parts of neopelex, 5 parts of ethylenediamine, zinc molybdate 3
Part, 3 parts of trbasic zinc phosphate, 2 parts of methylcellulose, 100 parts of deionized water.
Foregoing invention content is relative to the beneficial effect of prior art:1)The composition of aluminium alloy is simple;2)To this into
The surface treatment procedure that the aluminium alloy divided is passivated, it is to avoid the problems such as any surface stain occur, makes acquisition surface clean and tidy;
3)Because of interior Long Term Contact gear box oil, damage can be caused to its inner surface, by being applied in aluminium alloy box inner surface
Titanium oxide base coating is covered, corrosion resisting property is improved.4)Weather-proof antifouling property is effectively improved to box outer surface formation organic coating.5)
By improving its wearability to gear outer surface coated with tungsten carbide coating.
Embodiment
In order to which technical characteristic, purpose and effect to the present invention are more clearly understood from, now describe the present invention's in detail
Embodiment.
Embodiment 1
A kind of motor vehicle gearbox, the gearbox includes lower box and upper box, and lower box is connected to form speed change with upper box
Power transmission shaft and gear are provided with case cavity, gearbox cavity, the gear includes the carbon on gear and gear surface
Change tungsten coating, the upper box inner surface is coated with alumina series ceramic material layer, and the lower box inner surface is coated with carbonization
Titanium series ceramic material layer, upper box and nowel external surface coating heat-resisting paint,
It is characterized in that:Gear by finishing is coated tungsten carbide coating, tungsten carbide material thickness degree
0.3mm, the gear after coating is heated, and is warming up to 500 DEG C, 20 DEG C/h of heating rate, is incubated 4 hours, after be cooled to
400 DEG C, 50 DEG C/h of rate of temperature fall is incubated 4 hours, after be cooled to 200 DEG C again, 30 DEG C/h of rate of temperature fall, insulation 5 is small
When, after be air-cooled to room temperature, obtain being coated with the gear of tungsten carbide coating,
The upper box and lower box are aluminum alloy material, and aluminum alloy chemically composition is(Percentage by weight):Ni:8 ﹪,:Fe:
4 ﹪, Zn:2 ﹪, Mg:1 ﹪, Ti:0.7 ﹪, Mn 0.6 ﹪, Cu 0.4 ﹪, Sn:0.2 ﹪, Nb:0.08 ﹪,:The ﹪ of Ag 0.06,
Cr:0.05 ﹪, Pr:0.06 ﹪, Mo:0.08 ﹪, surplus is Al and inevitable impurity;
The preparation method of upper box and lower box:Comprise the following steps:According to above-mentioned aluminum alloy chemical composition dispensing, first by aluminium ingot
It is added in smelting furnace, Control for Kiln Temperature is at 720 DEG C, and after after aluminium ingot fusing, temperature of aluminum liquid is raised to 730 DEG C and adds conjunction in the middle of nickel aluminium
Gold, after by furnace temperature be increased to 735 DEG C addition iron aluminium intermediate alloys;Furnace temperature is increased to 740 DEG C of addition zinc-aluminium intermediate alloys afterwards;Afterwards
Furnace temperature is increased to 745 DEG C and adds other alloying elements, rear furnace temperature is increased to 760 DEG C, refining cleanser is added, refines cleanser
Addition is the 0.8% of furnace charge amount, is stirred 40 minutes, stands 60 minutes, treats that slag is separated with molten metal, skim, rear to add covering
Agent, skims, upper box and lower box is poured into a mould respectively afterwards again after standing 30 minutes;Pouring temperature is 740 DEG C;Obtain
Upper box and lower box be heat-treated:Upper box and lower box are heated first, 580 DEG C, heating rate are warming up to
50 DEG C/h, 2 hours are incubated, Quenching Treatment is carried out afterwards, hardening media is water, by upper box and lower box from room after quenching
Temperature is heated to 500 DEG C, 100 DEG C/h of heating rate, is incubated 7 hours, after be cooled to 300 DEG C, 50 DEG C/h of rate of temperature fall is protected
Temperature 3 hours, after be cooled to 200 DEG C again, 50 DEG C/h of rate of temperature fall is incubated 9 hours, after be air-cooled to room temperature, the refining is net
Agent includes:Aluminium chloride 60%, aluminum nitrate 20%, potassium chloride 10%, sodium nitrate 5%, manganese chloride 5%, the coverture bag
Include:Aluminum sulfate 40%, barium sulfate 20%, sodium chloride 10%;Aluminium fluoric acid sodium 10%;Aluminum oxide 10%, sodium fluoride 10%, coverture
Total addition is the 0.8% of furnace charge amount,
Processing is passivated to upper box and lower box surface afterwards, wherein:Passivating solution is constituted(Weight):9 parts of frerrous chloride,
10 parts of niter cake, 10 parts of fluotitanic acid, 5 parts of hydrofluoric acid, 2 parts of zirconium nitrate, 1 part of dodecyl sodium sulfate, 25 parts of water;
Alumina series ceramic material is coated to upper box inner surface afterwards;By being coated in the formation oxidation of upper box inner surface
Aluminium series ceramic material layer, alumina series ceramic material layer thickness 0.5mm, alumina series ceramic material layer includes(Weight):Oxidation
40 parts of aluminium, 30 parts of titanium nitride, 5 parts of titanium oxide is heated the upper box after coating, is warming up to 400 DEG C, heating rate 60
DEG C/h, be incubated 4 hours, after be cooled to 300 DEG C, 75 DEG C/h of rate of temperature fall is incubated 3 hours, after be cooled to 150 again
DEG C, 25 DEG C/h of rate of temperature fall, be incubated 7 hours, after be air-cooled to room temperature,
Carbonization titanium series ceramic material is coated to lower box inner surface afterwards;By being coated in the formation carbonization of lower box inner surface
Titanium series ceramic material layer, be carbonized titanium series ceramic material thickness degree 0.5mm, and carbonization titanium series ceramic material layer includes(Weight):Carbonization
40 parts of titanium, 5 parts of silicon nitride, 5 parts of silica is heated the lower box after coating, is warming up to 350 DEG C, heating rate 50
DEG C/h, be incubated 4 hours, after be cooled to 250 DEG C, 100 DEG C/h of rate of temperature fall is incubated 3 hours, after be cooled to 150 again
DEG C, 75 DEG C/h of rate of temperature fall, be incubated 6 hours, after be air-cooled to room temperature,
Heat-resisting paint is coated to upper box and nowel external surface afterwards;The coating includes(Weight):Polyethersulfone resin
60 parts, 20 parts of acrylic resin, 10 parts of chromium chloride, 10 parts of talcum powder, 10 parts of vanadic anhydride, neopelex 10
Part, 5 parts of ethylenediamine, 3 parts of zinc molybdate, 3 parts of trbasic zinc phosphate, 2 parts of methylcellulose, 100 parts of deionized water obtains final casing.
Embodiment 2
A kind of motor vehicle gearbox, the gearbox includes lower box and upper box, and lower box is connected to form speed change with upper box
Power transmission shaft and gear are provided with case cavity, gearbox cavity, the gear includes the carbon on gear and gear surface
Change tungsten coating, the upper box inner surface is coated with alumina series ceramic material layer, and the lower box inner surface is coated with carbonization
Titanium series ceramic material layer, upper box and nowel external surface coating heat-resisting paint,
It is characterized in that:Gear by finishing is coated tungsten carbide coating, tungsten carbide material thickness degree
0.3mm, the gear after coating is heated, and is warming up to 500 DEG C, 20 DEG C/h of heating rate, is incubated 4 hours, after be cooled to
400 DEG C, 50 DEG C/h of rate of temperature fall is incubated 4 hours, after be cooled to 200 DEG C again, 30 DEG C/h of rate of temperature fall, insulation 5 is small
When, after be air-cooled to room temperature, obtain being coated with the gear of tungsten carbide coating,
The upper box and lower box are aluminum alloy material, and aluminum alloy chemically composition is(Percentage by weight):Ni:9 ﹪,:Fe:
5 ﹪, Zn:3 ﹪, Mg:2 ﹪, Ti:0.8 ﹪, Mn 0.7 ﹪, Cu 0.5 ﹪, Sn:0.3 ﹪, Nb:0.09 ﹪,:Ag
0.07 ﹪, Cr:0.06 ﹪, Pr:0.07 ﹪, Mo:0.09 ﹪, surplus is Al and inevitable impurity;
The preparation method of upper box and lower box:Comprise the following steps:According to above-mentioned aluminum alloy chemical composition dispensing, first by aluminium ingot
It is added in smelting furnace, Control for Kiln Temperature is at 720 DEG C, and after after aluminium ingot fusing, temperature of aluminum liquid is raised to 730 DEG C and adds conjunction in the middle of nickel aluminium
Gold, after by furnace temperature be increased to 735 DEG C addition iron aluminium intermediate alloys;Furnace temperature is increased to 740 DEG C of addition zinc-aluminium intermediate alloys afterwards;Afterwards
Furnace temperature is increased to 745 DEG C and adds other alloying elements, rear furnace temperature is increased to 760 DEG C, refining cleanser is added, refines cleanser
Addition is the 0.8% of furnace charge amount, is stirred 40 minutes, stands 60 minutes, treats that slag is separated with molten metal, skim, rear to add covering
Agent, skims, upper box and lower box is poured into a mould respectively afterwards again after standing 30 minutes;Pouring temperature is 740 DEG C;Obtain
Upper box and lower box be heat-treated:Upper box and lower box are heated first, 580 DEG C, heating rate are warming up to
50 DEG C/h, 2 hours are incubated, Quenching Treatment is carried out afterwards, hardening media is water, by upper box and lower box from room after quenching
Temperature is heated to 500 DEG C, 100 DEG C/h of heating rate, is incubated 7 hours, after be cooled to 300 DEG C, 50 DEG C/h of rate of temperature fall is protected
Temperature 3 hours, after be cooled to 200 DEG C again, 50 DEG C/h of rate of temperature fall is incubated 9 hours, after be air-cooled to room temperature, the refining is net
Agent includes:Aluminium chloride 60%, aluminum nitrate 20%, potassium chloride 10%, sodium nitrate 5%, manganese chloride 5%, the coverture bag
Include:Aluminum sulfate 40%, barium sulfate 20%, sodium chloride 10%;Aluminium fluoric acid sodium 10%;Aluminum oxide 10%, sodium fluoride 10%, coverture
Total addition is the 0.8% of furnace charge amount,
Processing is passivated to upper box and lower box surface afterwards, wherein:Passivating solution is constituted(Weight):9 parts of frerrous chloride,
13 parts of niter cake, 11 parts of fluotitanic acid, 10 parts of hydrofluoric acid, 3 parts of zirconium nitrate, 2 parts of dodecyl sodium sulfate, 35 parts of water;
Alumina series ceramic material is coated to upper box inner surface afterwards;By being coated in the formation oxidation of upper box inner surface
Aluminium series ceramic material layer, alumina series ceramic material layer thickness 0.5mm, alumina series ceramic material layer includes(Weight):Oxidation
40 parts of aluminium, 35 parts of titanium nitride, 10 parts of titanium oxide is heated the upper box after coating, is warming up to 400 DEG C, heating rate 60
DEG C/h, be incubated 4 hours, after be cooled to 300 DEG C, 75 DEG C/h of rate of temperature fall is incubated 3 hours, after be cooled to 150 again
DEG C, 25 DEG C/h of rate of temperature fall, be incubated 7 hours, after be air-cooled to room temperature,
Carbonization titanium series ceramic material is coated to lower box inner surface afterwards;By being coated in the formation carbonization of lower box inner surface
Titanium series ceramic material layer, be carbonized titanium series ceramic material thickness degree 0.5mm, and carbonization titanium series ceramic material layer includes(Weight):Carbonization
40 parts of titanium, 5 parts of silicon nitride, 5 parts of silica is heated the lower box after coating, is warming up to 350 DEG C, heating rate 50
DEG C/h, be incubated 4 hours, after be cooled to 250 DEG C, 100 DEG C/h of rate of temperature fall is incubated 3 hours, after be cooled to 150 again
DEG C, 75 DEG C/h of rate of temperature fall, be incubated 6 hours, after be air-cooled to room temperature,
Heat-resisting paint is coated to upper box and nowel external surface afterwards;The coating includes(Weight):Polyethersulfone resin
60 parts, 30 parts of acrylic resin, 15 parts of chromium chloride, 15 parts of talcum powder, 15 parts of vanadic anhydride, neopelex 10
Part, 5 parts of ethylenediamine, 3 parts of zinc molybdate, 3 parts of trbasic zinc phosphate, 2 parts of methylcellulose, 100 parts of deionized water obtains final casing.
Embodiment 3
A kind of motor vehicle gearbox, the gearbox includes lower box and upper box, and lower box is connected to form speed change with upper box
Power transmission shaft and gear are provided with case cavity, gearbox cavity, the gear includes the carbon on gear and gear surface
Change tungsten coating, the upper box inner surface is coated with alumina series ceramic material layer, and the lower box inner surface is coated with carbonization
Titanium series ceramic material layer, upper box and nowel external surface coating heat-resisting paint,
It is characterized in that:Gear by finishing is coated tungsten carbide coating, tungsten carbide material thickness degree
0.3mm, the gear after coating is heated, and is warming up to 500 DEG C, 20 DEG C/h of heating rate, is incubated 4 hours, after be cooled to
400 DEG C, 50 DEG C/h of rate of temperature fall is incubated 4 hours, after be cooled to 200 DEG C again, 30 DEG C/h of rate of temperature fall, insulation 5 is small
When, after be air-cooled to room temperature, obtain being coated with the gear of tungsten carbide coating,
The upper box and lower box are aluminum alloy material, and aluminum alloy chemically composition is(Percentage by weight):Ni:8.5 ﹪,:
Fe:4.5 ﹪, Zn:2.5 ﹪, Mg:1.5 ﹪, Ti:0.75 ﹪, Mn 0.65 ﹪, Cu 0.45 ﹪, Sn:0.25 ﹪, Nb:
0.085 ﹪,:Ag 0.065 ﹪, Cr:0.055 ﹪, Pr:0.065 ﹪, Mo:0.085 ﹪, surplus is Al and inevitable
Impurity;
The preparation method of upper box and lower box:Comprise the following steps:According to above-mentioned aluminum alloy chemical composition dispensing, first by aluminium ingot
It is added in smelting furnace, Control for Kiln Temperature is at 720 DEG C, and after after aluminium ingot fusing, temperature of aluminum liquid is raised to 730 DEG C and adds conjunction in the middle of nickel aluminium
Gold, after by furnace temperature be increased to 735 DEG C addition iron aluminium intermediate alloys;Furnace temperature is increased to 740 DEG C of addition zinc-aluminium intermediate alloys afterwards;Afterwards
Furnace temperature is increased to 745 DEG C and adds other alloying elements, rear furnace temperature is increased to 760 DEG C, refining cleanser is added, refines cleanser
Addition is the 0.8% of furnace charge amount, is stirred 40 minutes, stands 60 minutes, treats that slag is separated with molten metal, skim, rear to add covering
Agent, skims, upper box and lower box is poured into a mould respectively afterwards again after standing 30 minutes;Pouring temperature is 740 DEG C;Obtain
Upper box and lower box be heat-treated:Upper box and lower box are heated first, 580 DEG C, heating rate are warming up to
50 DEG C/h, 2 hours are incubated, Quenching Treatment is carried out afterwards, hardening media is water, by upper box and lower box from room after quenching
Temperature is heated to 500 DEG C, 100 DEG C/h of heating rate, is incubated 7 hours, after be cooled to 300 DEG C, 50 DEG C/h of rate of temperature fall is protected
Temperature 3 hours, after be cooled to 200 DEG C again, 50 DEG C/h of rate of temperature fall is incubated 9 hours, after be air-cooled to room temperature, the refining is net
Agent includes:Aluminium chloride 60%, aluminum nitrate 20%, potassium chloride 10%, sodium nitrate 5%, manganese chloride 5%, the coverture bag
Include:Aluminum sulfate 40%, barium sulfate 20%, sodium chloride 10%;Aluminium fluoric acid sodium 10%;Aluminum oxide 10%, sodium fluoride 10%, coverture
Total addition is the 0.8% of furnace charge amount,
Processing is passivated to upper box and lower box surface afterwards, wherein:Passivating solution is constituted(Weight):9 parts of frerrous chloride,
12 parts of niter cake, 10.5 parts of fluotitanic acid, 7 parts of hydrofluoric acid, 2.5 parts of zirconium nitrate, 1.5 parts of dodecyl sodium sulfate, 30 parts of water;
Alumina series ceramic material is coated to upper box inner surface afterwards;By being coated in the formation oxidation of upper box inner surface
Aluminium series ceramic material layer, alumina series ceramic material layer thickness 0.5mm, alumina series ceramic material layer includes(Weight):Oxidation
40 parts of aluminium, 33 parts of titanium nitride, 7 parts of titanium oxide is heated the upper box after coating, is warming up to 400 DEG C, heating rate 60
DEG C/h, be incubated 4 hours, after be cooled to 300 DEG C, 75 DEG C/h of rate of temperature fall is incubated 3 hours, after be cooled to 150 again
DEG C, 25 DEG C/h of rate of temperature fall, be incubated 7 hours, after be air-cooled to room temperature,
Carbonization titanium series ceramic material is coated to lower box inner surface afterwards;By being coated in the formation carbonization of lower box inner surface
Titanium series ceramic material layer, be carbonized titanium series ceramic material thickness degree 0.5mm, and carbonization titanium series ceramic material layer includes(Weight):Carbonization
40 parts of titanium, 5 parts of silicon nitride, 5 parts of silica is heated the lower box after coating, is warming up to 350 DEG C, heating rate 50
DEG C/h, be incubated 4 hours, after be cooled to 250 DEG C, 100 DEG C/h of rate of temperature fall is incubated 3 hours, after be cooled to 150 again
DEG C, 75 DEG C/h of rate of temperature fall, be incubated 6 hours, after be air-cooled to room temperature,
Heat-resisting paint is coated to upper box and nowel external surface afterwards;The coating includes(Weight):Polyethersulfone resin
60 parts, 25 parts of acrylic resin, 13 parts of chromium chloride, 13 parts of talcum powder, 13 parts of vanadic anhydride, neopelex 10
Part, 5 parts of ethylenediamine, 3 parts of zinc molybdate, 3 parts of trbasic zinc phosphate, 2 parts of methylcellulose, 100 parts of deionized water obtains final casing.
Embodiment 4
A kind of motor vehicle gearbox, the gearbox includes lower box and upper box, and lower box is connected to form speed change with upper box
Power transmission shaft and gear are provided with case cavity, gearbox cavity, the gear includes the carbon on gear and gear surface
Change tungsten coating, the upper box inner surface is coated with alumina series ceramic material layer, and the lower box inner surface is coated with carbonization
Titanium series ceramic material layer, upper box and nowel external surface coating heat-resisting paint,
It is characterized in that:Gear by finishing is coated tungsten carbide coating, tungsten carbide material thickness degree
0.3mm, the gear after coating is heated, and is warming up to 500 DEG C, 20 DEG C/h of heating rate, is incubated 4 hours, after be cooled to
400 DEG C, 50 DEG C/h of rate of temperature fall is incubated 4 hours, after be cooled to 200 DEG C again, 30 DEG C/h of rate of temperature fall, insulation 5 is small
When, after be air-cooled to room temperature, obtain being coated with the gear of tungsten carbide coating,
The upper box and lower box are aluminum alloy material, and aluminum alloy chemically composition is(Percentage by weight):Ni:8.2 ﹪,:
Fe:4.3 ﹪, Zn:2.4 ﹪, Mg:1.3 ﹪, Ti:0.72 ﹪, Mn 0.62 ﹪, Cu 0.41 ﹪, Sn:0.21 ﹪, Nb:
0.082 ﹪,:Ag 0.063 ﹪, Cr:0.054 ﹪, Pr:0.064 ﹪, Mo:0.083 ﹪, surplus is Al and inevitable
Impurity;
The preparation method of upper box and lower box:Comprise the following steps:According to above-mentioned aluminum alloy chemical composition dispensing, first by aluminium ingot
It is added in smelting furnace, Control for Kiln Temperature is at 720 DEG C, and after after aluminium ingot fusing, temperature of aluminum liquid is raised to 730 DEG C and adds conjunction in the middle of nickel aluminium
Gold, after by furnace temperature be increased to 735 DEG C addition iron aluminium intermediate alloys;Furnace temperature is increased to 740 DEG C of addition zinc-aluminium intermediate alloys afterwards;Afterwards
Furnace temperature is increased to 745 DEG C and adds other alloying elements, rear furnace temperature is increased to 760 DEG C, refining cleanser is added, refines cleanser
Addition is the 0.8% of furnace charge amount, is stirred 40 minutes, stands 60 minutes, treats that slag is separated with molten metal, skim, rear to add covering
Agent, skims, upper box and lower box is poured into a mould respectively afterwards again after standing 30 minutes;Pouring temperature is 740 DEG C;Obtain
Upper box and lower box be heat-treated:Upper box and lower box are heated first, 580 DEG C, heating rate are warming up to
50 DEG C/h, 2 hours are incubated, Quenching Treatment is carried out afterwards, hardening media is water, by upper box and lower box from room after quenching
Temperature is heated to 500 DEG C, 100 DEG C/h of heating rate, is incubated 7 hours, after be cooled to 300 DEG C, 50 DEG C/h of rate of temperature fall is protected
Temperature 3 hours, after be cooled to 200 DEG C again, 50 DEG C/h of rate of temperature fall is incubated 9 hours, after be air-cooled to room temperature, the refining is net
Agent includes:Aluminium chloride 60%, aluminum nitrate 20%, potassium chloride 10%, sodium nitrate 5%, manganese chloride 5%, the coverture bag
Include:Aluminum sulfate 40%, barium sulfate 20%, sodium chloride 10%;Aluminium fluoric acid sodium 10%;Aluminum oxide 10%, sodium fluoride 10%, coverture
Total addition is the 0.8% of furnace charge amount,
Processing is passivated to upper box and lower box surface afterwards, wherein:Passivating solution is constituted(Weight):9 parts of frerrous chloride,
12 parts of niter cake, 10.2 parts of fluotitanic acid, 6 parts of hydrofluoric acid, 2.2 parts of zirconium nitrate, 1.1 parts of dodecyl sodium sulfate, 26 parts of water;
Alumina series ceramic material is coated to upper box inner surface afterwards;By being coated in the formation oxidation of upper box inner surface
Aluminium series ceramic material layer, alumina series ceramic material layer thickness 0.5mm, alumina series ceramic material layer includes(Weight):Oxidation
40 parts of aluminium, 31 parts of titanium nitride, 6 parts of titanium oxide is heated the upper box after coating, is warming up to 400 DEG C, heating rate 60
DEG C/h, be incubated 4 hours, after be cooled to 300 DEG C, 75 DEG C/h of rate of temperature fall is incubated 3 hours, after be cooled to 150 again
DEG C, 25 DEG C/h of rate of temperature fall, be incubated 7 hours, after be air-cooled to room temperature,
Carbonization titanium series ceramic material is coated to lower box inner surface afterwards;By being coated in the formation carbonization of lower box inner surface
Titanium series ceramic material layer, be carbonized titanium series ceramic material thickness degree 0.5mm, and carbonization titanium series ceramic material layer includes(Weight):Carbonization
40 parts of titanium, 5 parts of silicon nitride, 5 parts of silica is heated the lower box after coating, is warming up to 350 DEG C, heating rate 50
DEG C/h, be incubated 4 hours, after be cooled to 250 DEG C, 100 DEG C/h of rate of temperature fall is incubated 3 hours, after be cooled to 150 again
DEG C, 75 DEG C/h of rate of temperature fall, be incubated 6 hours, after be air-cooled to room temperature,
Heat-resisting paint is coated to upper box and nowel external surface afterwards;The coating includes(Weight):Polyethersulfone resin
60 parts, 22 parts of acrylic resin, 11 parts of chromium chloride, 11 parts of talcum powder, 11 parts of vanadic anhydride, neopelex 10
Part, 5 parts of ethylenediamine, 3 parts of zinc molybdate, 3 parts of trbasic zinc phosphate, 2 parts of methylcellulose, 100 parts of deionized water obtains final casing.
Embodiment 5
A kind of motor vehicle gearbox, the gearbox includes lower box and upper box, and lower box is connected to form speed change with upper box
Power transmission shaft and gear are provided with case cavity, gearbox cavity, the gear includes the carbon on gear and gear surface
Change tungsten coating, the upper box inner surface is coated with alumina series ceramic material layer, and the lower box inner surface is coated with carbonization
Titanium series ceramic material layer, upper box and nowel external surface coating heat-resisting paint,
It is characterized in that:Gear by finishing is coated tungsten carbide coating, tungsten carbide material thickness degree
0.3mm, the gear after coating is heated, and is warming up to 500 DEG C, 20 DEG C/h of heating rate, is incubated 4 hours, after be cooled to
400 DEG C, 50 DEG C/h of rate of temperature fall is incubated 4 hours, after be cooled to 200 DEG C again, 30 DEG C/h of rate of temperature fall, insulation 5 is small
When, after be air-cooled to room temperature, obtain being coated with the gear of tungsten carbide coating,
The upper box and lower box are aluminum alloy material, and aluminum alloy chemically composition is(Percentage by weight):Ni:8.6 ﹪,:
Fe:4.6 ﹪, Zn:2.7 ﹪, Mg:1.8 ﹪, Ti:0.76 ﹪, Mn 0.67 ﹪, Cu 0.47 ﹪, Sn:0.28 ﹪, Nb:
0.087 ﹪,:Ag 0.069 ﹪, Cr:0.059 ﹪, Pr:0.068 ﹪, Mo:0.087 ﹪, surplus is Al and inevitable
Impurity;
The preparation method of upper box and lower box:Comprise the following steps:According to above-mentioned aluminum alloy chemical composition dispensing, first by aluminium ingot
It is added in smelting furnace, Control for Kiln Temperature is at 720 DEG C, and after after aluminium ingot fusing, temperature of aluminum liquid is raised to 730 DEG C and adds conjunction in the middle of nickel aluminium
Gold, after by furnace temperature be increased to 735 DEG C addition iron aluminium intermediate alloys;Furnace temperature is increased to 740 DEG C of addition zinc-aluminium intermediate alloys afterwards;Afterwards
Furnace temperature is increased to 745 DEG C and adds other alloying elements, rear furnace temperature is increased to 760 DEG C, refining cleanser is added, refines cleanser
Addition is the 0.8% of furnace charge amount, is stirred 40 minutes, stands 60 minutes, treats that slag is separated with molten metal, skim, rear to add covering
Agent, skims, upper box and lower box is poured into a mould respectively afterwards again after standing 30 minutes;Pouring temperature is 740 DEG C;Obtain
Upper box and lower box be heat-treated:Upper box and lower box are heated first, 580 DEG C, heating rate are warming up to
50 DEG C/h, 2 hours are incubated, Quenching Treatment is carried out afterwards, hardening media is water, by upper box and lower box from room after quenching
Temperature is heated to 500 DEG C, 100 DEG C/h of heating rate, is incubated 7 hours, after be cooled to 300 DEG C, 50 DEG C/h of rate of temperature fall is protected
Temperature 3 hours, after be cooled to 200 DEG C again, 50 DEG C/h of rate of temperature fall is incubated 9 hours, after be air-cooled to room temperature, the refining is net
Agent includes:Aluminium chloride 60%, aluminum nitrate 20%, potassium chloride 10%, sodium nitrate 5%, manganese chloride 5%, the coverture bag
Include:Aluminum sulfate 40%, barium sulfate 20%, sodium chloride 10%;Aluminium fluoric acid sodium 10%;Aluminum oxide 10%, sodium fluoride 10%, coverture
Total addition is the 0.8% of furnace charge amount,
Processing is passivated to upper box and lower box surface afterwards, wherein:Passivating solution is constituted(Weight):9 parts of frerrous chloride,
12.7 parts of niter cake, 10.8 parts of fluotitanic acid, 9 parts of hydrofluoric acid, 2.8 parts of zirconium nitrate, 1.7 parts of dodecyl sodium sulfate, 34 parts of water;
Alumina series ceramic material is coated to upper box inner surface afterwards;By being coated in the formation oxidation of upper box inner surface
Aluminium series ceramic material layer, alumina series ceramic material layer thickness 0.5mm, alumina series ceramic material layer includes(Weight):Oxidation
40 parts of aluminium, 34 parts of titanium nitride, 9 parts of titanium oxide is heated the upper box after coating, is warming up to 400 DEG C, heating rate 60
DEG C/h, be incubated 4 hours, after be cooled to 300 DEG C, 75 DEG C/h of rate of temperature fall is incubated 3 hours, after be cooled to 150 again
DEG C, 25 DEG C/h of rate of temperature fall, be incubated 7 hours, after be air-cooled to room temperature,
Carbonization titanium series ceramic material is coated to lower box inner surface afterwards;By being coated in the formation carbonization of lower box inner surface
Titanium series ceramic material layer, be carbonized titanium series ceramic material thickness degree 0.5mm, and carbonization titanium series ceramic material layer includes(Weight):Carbonization
40 parts of titanium, 5 parts of silicon nitride, 5 parts of silica is heated the lower box after coating, is warming up to 350 DEG C, heating rate 50
DEG C/h, be incubated 4 hours, after be cooled to 250 DEG C, 100 DEG C/h of rate of temperature fall is incubated 3 hours, after be cooled to 150 again
DEG C, 75 DEG C/h of rate of temperature fall, be incubated 6 hours, after be air-cooled to room temperature,
Heat-resisting paint is coated to upper box and nowel external surface afterwards;The coating includes(Weight):Polyethersulfone resin
60 parts, 27 parts of acrylic resin, 14 parts of chromium chloride, 14 parts of talcum powder, 14 parts of vanadic anhydride, neopelex 10
Part, 5 parts of ethylenediamine, 3 parts of zinc molybdate, 3 parts of trbasic zinc phosphate, 2 parts of methylcellulose, 100 parts of deionized water obtains final casing.
Claims (2)
1. a kind of manufacture method of motor vehicle gearbox, the gearbox includes lower box and upper box, lower box and upper box
It is connected to form in gearbox cavity, gearbox cavity and is provided with power transmission shaft and gear, the gear includes gear and gear
The tungsten carbide coating of body surface, the upper box inner surface is coated with table in alumina series ceramic material layer, the lower box
Face is coated with carbonization titanium series ceramic material layer, upper box and nowel external surface coating heat-resisting paint,
It is characterized in that:Gear by finishing is coated tungsten carbide coating, tungsten carbide material thickness degree
0.3mm, the gear after coating is heated, and is warming up to 500 DEG C, 20 DEG C/h of heating rate, is incubated 4 hours, after be cooled to
400 DEG C, 50 DEG C/h of rate of temperature fall is incubated 4 hours, after be cooled to 200 DEG C again, 30 DEG C/h of rate of temperature fall, insulation 5 is small
When, after be air-cooled to room temperature, obtain being coated with the gear of tungsten carbide coating,
The upper box and lower box are aluminum alloy material, and aluminum alloy chemically composition is(Percentage by weight):Ni:8-9 ﹪,:
Fe:4-5 ﹪, Zn:2-3 ﹪, Mg:1-2 ﹪, Ti:0.7-0.8 ﹪, Mn 0.6-0.7 ﹪, Cu 0.4-0.5 ﹪, Sn:0.2-
0.3 ﹪, Nb:0.08-0.09 ﹪,:Ag 0.06-0.07 ﹪, Cr:0.05-0.06 ﹪, Pr:0.06-0.07 ﹪, Mo:0.08-
0.09 ﹪, surplus is Al and inevitable impurity;
The preparation method of upper box and lower box:Comprise the following steps:According to above-mentioned aluminum alloy chemical composition dispensing, first by aluminium ingot
It is added in smelting furnace, Control for Kiln Temperature is at 720 DEG C, and after after aluminium ingot fusing, temperature of aluminum liquid is raised to 730 DEG C and adds conjunction in the middle of nickel aluminium
Gold, after by furnace temperature be increased to 735 DEG C addition iron aluminium intermediate alloys;Furnace temperature is increased to 740 DEG C of addition zinc-aluminium intermediate alloys afterwards;Afterwards
Furnace temperature is increased to 745 DEG C and adds other alloying elements, rear furnace temperature is increased to 760 DEG C, refining cleanser is added, refines cleanser
Addition is the 0.8% of furnace charge amount, is stirred 40 minutes, stands 60 minutes, treats that slag is separated with molten metal, skim, rear to add covering
Agent, skims, upper box and lower box is poured into a mould respectively afterwards again after standing 30 minutes;Pouring temperature is 740 DEG C;Obtain
Upper box and lower box be heat-treated:Upper box and lower box are heated first, 580 DEG C, heating rate are warming up to
50 DEG C/h, 2 hours are incubated, Quenching Treatment is carried out afterwards, hardening media is water, by upper box and lower box from room after quenching
Temperature is heated to 500 DEG C, 100 DEG C/h of heating rate, is incubated 7 hours, after be cooled to 300 DEG C, 50 DEG C/h of rate of temperature fall is protected
Temperature 3 hours, after be cooled to 200 DEG C again, 50 DEG C/h of rate of temperature fall is incubated 9 hours, after be air-cooled to room temperature, the refining is net
Agent includes:Aluminium chloride 60%, aluminum nitrate 20%, potassium chloride 10%, sodium nitrate 5%, manganese chloride 5%, the coverture bag
Include:Aluminum sulfate 40%, barium sulfate 20%, sodium chloride 10%;Aluminium fluoric acid sodium 10%;Aluminum oxide 10%, sodium fluoride 10%, coverture
Total addition is the 0.8% of furnace charge amount,
Processing is passivated to upper box and lower box surface afterwards, wherein:Passivating solution is constituted(Weight):9 parts of frerrous chloride,
10-13 parts of niter cake, 10-11 parts of fluotitanic acid, 5-10 parts of hydrofluoric acid, 2-3 parts of zirconium nitrate, 1-2 parts of dodecyl sodium sulfate, water
25-35 parts;
Alumina series ceramic material is coated to upper box inner surface afterwards;By being coated in the formation oxidation of upper box inner surface
Aluminium series ceramic material layer, alumina series ceramic material layer thickness 0.5mm, alumina series ceramic material layer includes(Weight):Oxidation
40 parts of aluminium, 30-35 parts of titanium nitride, 5-10 parts of titanium oxide is heated the upper box after coating, is warming up to 400 DEG C, heating
60 DEG C/h of speed, is incubated 4 hours, after be cooled to 300 DEG C, 75 DEG C/h of rate of temperature fall is incubated 3 hours, after cool again
To 150 DEG C, 25 DEG C/h of rate of temperature fall is incubated 7 hours, after be air-cooled to room temperature,
Carbonization titanium series ceramic material is coated to lower box inner surface afterwards;By being coated in the formation carbonization of lower box inner surface
Titanium series ceramic material layer, be carbonized titanium series ceramic material thickness degree 0.5mm, and carbonization titanium series ceramic material layer includes(Weight):Carbonization
40 parts of titanium, 5 parts of silicon nitride, 5 parts of silica is heated the lower box after coating, is warming up to 350 DEG C, heating rate 50
DEG C/h, be incubated 4 hours, after be cooled to 250 DEG C, 100 DEG C/h of rate of temperature fall is incubated 3 hours, after be cooled to 150 again
DEG C, 75 DEG C/h of rate of temperature fall, be incubated 6 hours, after be air-cooled to room temperature,
Heat-resisting paint is coated to upper box and nowel external surface afterwards;The coating includes(Weight):Polyethersulfone resin
60 parts, 20-30 parts of acrylic resin, 10-15 parts of chromium chloride, 10-15 parts of talcum powder, 10-15 parts of vanadic anhydride, dodecane
10 parts of base benzene sulfonic acid sodium salt, 5 parts of ethylenediamine, 3 parts of zinc molybdate, 3 parts of trbasic zinc phosphate, 2 parts of methylcellulose, 100 parts of deionized water is obtained
Final casing.
2. a kind of motor vehicle gearbox as claimed in claim 1, the gearbox includes lower box and upper box, lower box with
Upper box, which is connected to form in gearbox cavity, gearbox cavity, is provided with power transmission shaft and gear, and the gear includes gear
With the tungsten carbide coating on gear surface, the upper box inner surface is coated with alumina series ceramic material layer, the nowel
Internal surface is coated with carbonization titanium series ceramic material layer, upper box and nowel external surface coating heat-resisting paint,
It is characterized in that:Gear by finishing is coated tungsten carbide coating, tungsten carbide material thickness degree
0.3mm, the gear after coating is heated, and is warming up to 500 DEG C, 20 DEG C/h of heating rate, is incubated 4 hours, after be cooled to
400 DEG C, 50 DEG C/h of rate of temperature fall is incubated 4 hours, after be cooled to 200 DEG C again, 30 DEG C/h of rate of temperature fall, insulation 5 is small
When, after be air-cooled to room temperature, obtain being coated with the gear of tungsten carbide coating,
The upper box and lower box are aluminum alloy material, and aluminum alloy chemically composition is(Percentage by weight):Ni:8.6 ﹪,:
Fe:4.6 ﹪, Zn:2.7 ﹪, Mg:1.8 ﹪, Ti:0.76 ﹪, Mn 0.67 ﹪, Cu 0.47 ﹪, Sn:0.28 ﹪, Nb:
0.087 ﹪,:Ag 0.069 ﹪, Cr:0.059 ﹪, Pr:0.068 ﹪, Mo:0.087 ﹪, surplus is Al and inevitable
Impurity;
The preparation method of upper box and lower box:Comprise the following steps:According to above-mentioned aluminum alloy chemical composition dispensing, first by aluminium ingot
It is added in smelting furnace, Control for Kiln Temperature is at 720 DEG C, and after after aluminium ingot fusing, temperature of aluminum liquid is raised to 730 DEG C and adds conjunction in the middle of nickel aluminium
Gold, after by furnace temperature be increased to 735 DEG C addition iron aluminium intermediate alloys;Furnace temperature is increased to 740 DEG C of addition zinc-aluminium intermediate alloys afterwards;Afterwards
Furnace temperature is increased to 745 DEG C and adds other alloying elements, rear furnace temperature is increased to 760 DEG C, refining cleanser is added, refines cleanser
Addition is the 0.8% of furnace charge amount, is stirred 40 minutes, stands 60 minutes, treats that slag is separated with molten metal, skim, rear to add covering
Agent, skims, upper box and lower box is poured into a mould respectively afterwards again after standing 30 minutes;Pouring temperature is 740 DEG C;Obtain
Upper box and lower box be heat-treated:Upper box and lower box are heated first, 580 DEG C, heating rate are warming up to
50 DEG C/h, 2 hours are incubated, Quenching Treatment is carried out afterwards, hardening media is water, by upper box and lower box from room after quenching
Temperature is heated to 500 DEG C, 100 DEG C/h of heating rate, is incubated 7 hours, after be cooled to 300 DEG C, 50 DEG C/h of rate of temperature fall is protected
Temperature 3 hours, after be cooled to 200 DEG C again, 50 DEG C/h of rate of temperature fall is incubated 9 hours, after be air-cooled to room temperature, the refining is net
Agent includes:Aluminium chloride 60%, aluminum nitrate 20%, potassium chloride 10%, sodium nitrate 5%, manganese chloride 5%, the coverture bag
Include:Aluminum sulfate 40%, barium sulfate 20%, sodium chloride 10%;Aluminium fluoric acid sodium 10%;Aluminum oxide 10%, sodium fluoride 10%, coverture
Total addition is the 0.8% of furnace charge amount,
Processing is passivated to upper box and lower box surface afterwards, wherein:Passivating solution is constituted(Weight):9 parts of frerrous chloride,
12.7 parts of niter cake, 10.8 parts of fluotitanic acid, 9 parts of hydrofluoric acid, 2.8 parts of zirconium nitrate, 1.7 parts of dodecyl sodium sulfate, 34 parts of water;
Alumina series ceramic material is coated to upper box inner surface afterwards;By being coated in the formation oxidation of upper box inner surface
Aluminium series ceramic material layer, alumina series ceramic material layer thickness 0.5mm, alumina series ceramic material layer includes(Weight):Oxidation
40 parts of aluminium, 34 parts of titanium nitride, 9 parts of titanium oxide is heated the upper box after coating, is warming up to 400 DEG C, heating rate 60
DEG C/h, be incubated 4 hours, after be cooled to 300 DEG C, 75 DEG C/h of rate of temperature fall is incubated 3 hours, after be cooled to 150 again
DEG C, 25 DEG C/h of rate of temperature fall, be incubated 7 hours, after be air-cooled to room temperature,
Carbonization titanium series ceramic material is coated to lower box inner surface afterwards;By being coated in the formation carbonization of lower box inner surface
Titanium series ceramic material layer, be carbonized titanium series ceramic material thickness degree 0.5mm, and carbonization titanium series ceramic material layer includes(Weight):Carbonization
40 parts of titanium, 5 parts of silicon nitride, 5 parts of silica is heated the lower box after coating, is warming up to 350 DEG C, heating rate 50
DEG C/h, be incubated 4 hours, after be cooled to 250 DEG C, 100 DEG C/h of rate of temperature fall is incubated 3 hours, after be cooled to 150 again
DEG C, 75 DEG C/h of rate of temperature fall, be incubated 6 hours, after be air-cooled to room temperature,
Heat-resisting paint is coated to upper box and nowel external surface afterwards;The coating includes(Weight):Polyethersulfone resin
60 parts, 27 parts of acrylic resin, 14 parts of chromium chloride, 14 parts of talcum powder, 14 parts of vanadic anhydride, neopelex 10
Part, 5 parts of ethylenediamine, 3 parts of zinc molybdate, 3 parts of trbasic zinc phosphate, 2 parts of methylcellulose, 100 parts of deionized water obtains final casing.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710209186.5A CN106957974B (en) | 2015-05-08 | 2015-05-08 | A kind of motor vehicle gearbox and its manufacturing method |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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CN201710209186.5A CN106957974B (en) | 2015-05-08 | 2015-05-08 | A kind of motor vehicle gearbox and its manufacturing method |
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CN105734327A (en) * | 2016-03-19 | 2016-07-06 | 蔡建斌 | Drill bit for orthopedic operation |
CN105648268A (en) * | 2016-04-12 | 2016-06-08 | 李程 | Radiation-shielding high-voltage grid power distribution cabinet |
CN106402341B (en) * | 2016-10-14 | 2018-07-17 | 南京创贝高速传动机械有限公司 | A kind of high-speed fan is with applying mechanically high-speed gear box |
CN107475574A (en) * | 2017-09-22 | 2017-12-15 | 马鞍山松鹤信息科技有限公司 | A kind of compound aluminium product and its preparation technology |
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EP2159454A1 (en) * | 2008-08-26 | 2010-03-03 | Perkins Engines Company Limited | Idler gear and hub with coating |
CN201461263U (en) * | 2009-04-30 | 2010-05-12 | 河南宏达数控机械有限公司 | Wind power gear case |
US20110030503A1 (en) * | 2008-01-07 | 2011-02-10 | Bell Helicopter Textron Inc. | Transmission housing assembly having improved bearing liner |
CN104196980A (en) * | 2014-08-14 | 2014-12-10 | 无锡联创薄板有限公司 | Gearbox gear |
CN104561858A (en) * | 2015-01-07 | 2015-04-29 | 王文姣 | Automotive transmission case and manufacturing method thereof |
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CN203035921U (en) * | 2012-11-30 | 2013-07-03 | 重庆林腾机电有限公司 | Wear resistant actively cooling type gear case |
CN203272743U (en) * | 2013-05-07 | 2013-11-06 | 浙江永兴塑料有限公司 | Gear box |
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US20110030503A1 (en) * | 2008-01-07 | 2011-02-10 | Bell Helicopter Textron Inc. | Transmission housing assembly having improved bearing liner |
EP2159454A1 (en) * | 2008-08-26 | 2010-03-03 | Perkins Engines Company Limited | Idler gear and hub with coating |
CN201461263U (en) * | 2009-04-30 | 2010-05-12 | 河南宏达数控机械有限公司 | Wind power gear case |
CN104196980A (en) * | 2014-08-14 | 2014-12-10 | 无锡联创薄板有限公司 | Gearbox gear |
CN104561858A (en) * | 2015-01-07 | 2015-04-29 | 王文姣 | Automotive transmission case and manufacturing method thereof |
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