CN106001548A - Powder metallurgical gear - Google Patents
Powder metallurgical gear Download PDFInfo
- Publication number
- CN106001548A CN106001548A CN201610598707.6A CN201610598707A CN106001548A CN 106001548 A CN106001548 A CN 106001548A CN 201610598707 A CN201610598707 A CN 201610598707A CN 106001548 A CN106001548 A CN 106001548A
- Authority
- CN
- China
- Prior art keywords
- powder
- parts
- metallurgical gear
- agent
- prepares
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000843 powder Substances 0.000 title claims abstract description 145
- 239000000203 mixture Substances 0.000 claims abstract description 63
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 51
- 239000002893 slag Substances 0.000 claims abstract description 42
- 239000007822 coupling agent Substances 0.000 claims abstract description 37
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 36
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 31
- 239000000314 lubricant Substances 0.000 claims abstract description 31
- 238000005520 cutting process Methods 0.000 claims abstract description 28
- 239000002202 Polyethylene glycol Substances 0.000 claims abstract description 19
- 239000011230 binding agent Substances 0.000 claims abstract description 19
- 239000002270 dispersing agent Substances 0.000 claims abstract description 19
- 239000003112 inhibitor Substances 0.000 claims abstract description 19
- 229920001223 polyethylene glycol Polymers 0.000 claims abstract description 19
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 claims abstract description 19
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 18
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 18
- 229910001021 Ferroalloy Inorganic materials 0.000 claims abstract description 14
- 235000021355 Stearic acid Nutrition 0.000 claims abstract description 14
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000008117 stearic acid Substances 0.000 claims abstract description 14
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims abstract description 13
- 229910052582 BN Inorganic materials 0.000 claims abstract description 13
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 claims abstract description 13
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 13
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims abstract description 13
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000004721 Polyphenylene oxide Substances 0.000 claims abstract description 13
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229920003180 amino resin Polymers 0.000 claims abstract description 13
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000003365 glass fiber Substances 0.000 claims abstract description 13
- 239000001866 hydroxypropyl methyl cellulose Substances 0.000 claims abstract description 13
- 229920003088 hydroxypropyl methyl cellulose Polymers 0.000 claims abstract description 13
- 235000010979 hydroxypropyl methyl cellulose Nutrition 0.000 claims abstract description 13
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229920000570 polyether Polymers 0.000 claims abstract description 13
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims abstract description 13
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000002994 raw material Substances 0.000 claims description 34
- 238000010438 heat treatment Methods 0.000 claims description 25
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 24
- 238000003756 stirring Methods 0.000 claims description 24
- 238000010792 warming Methods 0.000 claims description 24
- 229910052799 carbon Inorganic materials 0.000 claims description 22
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 claims description 20
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 18
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 18
- 238000005255 carburizing Methods 0.000 claims description 18
- 238000009413 insulation Methods 0.000 claims description 18
- BPSIOYPQMFLKFR-UHFFFAOYSA-N trimethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CO[Si](OC)(OC)CCCOCC1CO1 BPSIOYPQMFLKFR-UHFFFAOYSA-N 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 16
- 239000002245 particle Substances 0.000 claims description 15
- 238000002360 preparation method Methods 0.000 claims description 15
- 238000009628 steelmaking Methods 0.000 claims description 13
- SZNYYWIUQFZLLT-UHFFFAOYSA-N 2-methyl-1-(2-methylpropoxy)propane Chemical compound CC(C)COCC(C)C SZNYYWIUQFZLLT-UHFFFAOYSA-N 0.000 claims description 12
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 12
- HSHXDCVZWHOWCS-UHFFFAOYSA-N N'-hexadecylthiophene-2-carbohydrazide Chemical compound CCCCCCCCCCCCCCCCNNC(=O)c1cccs1 HSHXDCVZWHOWCS-UHFFFAOYSA-N 0.000 claims description 12
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 12
- 239000004411 aluminium Substances 0.000 claims description 12
- 229910052782 aluminium Inorganic materials 0.000 claims description 12
- BDIZXIOWAPGQTJ-UHFFFAOYSA-N bis(2-ethylhexyl) phosphono phosphate Chemical compound CCCCC(CC)COP(=O)(OP(O)(O)=O)OCC(CC)CCCC BDIZXIOWAPGQTJ-UHFFFAOYSA-N 0.000 claims description 12
- 239000000835 fiber Substances 0.000 claims description 12
- 239000001257 hydrogen Substances 0.000 claims description 12
- 229910052739 hydrogen Inorganic materials 0.000 claims description 12
- RYZCLUQMCYZBJQ-UHFFFAOYSA-H lead(2+);dicarbonate;dihydroxide Chemical compound [OH-].[OH-].[Pb+2].[Pb+2].[Pb+2].[O-]C([O-])=O.[O-]C([O-])=O RYZCLUQMCYZBJQ-UHFFFAOYSA-H 0.000 claims description 12
- 229910052757 nitrogen Inorganic materials 0.000 claims description 12
- 239000003921 oil Substances 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- VCTOKJRTAUILIH-UHFFFAOYSA-N manganese(2+);sulfide Chemical compound [S-2].[Mn+2] VCTOKJRTAUILIH-UHFFFAOYSA-N 0.000 claims description 11
- QDCPNGVVOWVKJG-VAWYXSNFSA-N 2-[(e)-dodec-1-enyl]butanedioic acid Chemical compound CCCCCCCCCC\C=C\C(C(O)=O)CC(O)=O QDCPNGVVOWVKJG-VAWYXSNFSA-N 0.000 claims description 10
- HJVAFZMYQQSPHF-UHFFFAOYSA-N 2-[bis(2-hydroxyethyl)amino]ethanol;boric acid Chemical compound OB(O)O.OCCN(CCO)CCO HJVAFZMYQQSPHF-UHFFFAOYSA-N 0.000 claims description 10
- 239000005711 Benzoic acid Substances 0.000 claims description 10
- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 claims description 10
- YSMRWXYRXBRSND-UHFFFAOYSA-N TOTP Chemical compound CC1=CC=CC=C1OP(=O)(OC=1C(=CC=CC=1)C)OC1=CC=CC=C1C YSMRWXYRXBRSND-UHFFFAOYSA-N 0.000 claims description 10
- 235000010233 benzoic acid Nutrition 0.000 claims description 10
- MWASUSQNCAYWHI-UHFFFAOYSA-N calcium;2,3-di(nonyl)naphthalene-1-sulfonic acid Chemical compound [Ca].C1=CC=C2C(S(O)(=O)=O)=C(CCCCCCCCC)C(CCCCCCCCC)=CC2=C1 MWASUSQNCAYWHI-UHFFFAOYSA-N 0.000 claims description 10
- 239000010730 cutting oil Substances 0.000 claims description 10
- 229920002401 polyacrylamide Polymers 0.000 claims description 10
- JHJUUEHSAZXEEO-UHFFFAOYSA-M sodium;4-dodecylbenzenesulfonate Chemical compound [Na+].CCCCCCCCCCCCC1=CC=C(S([O-])(=O)=O)C=C1 JHJUUEHSAZXEEO-UHFFFAOYSA-M 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 7
- 229910017083 AlN Inorganic materials 0.000 claims description 6
- PIGFYZPCRLYGLF-UHFFFAOYSA-N Aluminum nitride Chemical compound [Al]#N PIGFYZPCRLYGLF-UHFFFAOYSA-N 0.000 claims description 6
- KXDHJXZQYSOELW-UHFFFAOYSA-N Carbamic acid Chemical compound NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 claims description 6
- 239000004593 Epoxy Substances 0.000 claims description 6
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 6
- 239000005977 Ethylene Substances 0.000 claims description 6
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 6
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 claims description 6
- NPXOKRUENSOPAO-UHFFFAOYSA-N Raney nickel Chemical compound [Al].[Ni] NPXOKRUENSOPAO-UHFFFAOYSA-N 0.000 claims description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 6
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 6
- ZOTQKIDWBQQTAL-UHFFFAOYSA-N alumane titanium Chemical compound [AlH3].[AlH3].[AlH3].[Ti] ZOTQKIDWBQQTAL-UHFFFAOYSA-N 0.000 claims description 6
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims description 6
- 239000004327 boric acid Substances 0.000 claims description 6
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims description 6
- QCCDYNYSHILRDG-UHFFFAOYSA-K cerium(3+);trifluoride Chemical compound [F-].[F-].[F-].[Ce+3] QCCDYNYSHILRDG-UHFFFAOYSA-K 0.000 claims description 6
- 239000013522 chelant Substances 0.000 claims description 6
- 239000008367 deionised water Substances 0.000 claims description 6
- 229910021641 deionized water Inorganic materials 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 6
- ZJOLCKGSXLIVAA-UHFFFAOYSA-N ethene;octadecanamide Chemical compound C=C.CCCCCCCCCCCCCCCCCC(N)=O.CCCCCCCCCCCCCCCCCC(N)=O ZJOLCKGSXLIVAA-UHFFFAOYSA-N 0.000 claims description 6
- 239000007789 gas Substances 0.000 claims description 6
- 125000006038 hexenyl group Chemical group 0.000 claims description 6
- 239000000395 magnesium oxide Substances 0.000 claims description 6
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 6
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 6
- 229910052748 manganese Inorganic materials 0.000 claims description 6
- 239000011572 manganese Substances 0.000 claims description 6
- UNASZPQZIFZUSI-UHFFFAOYSA-N methylidyneniobium Chemical compound [Nb]#C UNASZPQZIFZUSI-UHFFFAOYSA-N 0.000 claims description 6
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 claims description 6
- 229910000907 nickel aluminide Inorganic materials 0.000 claims description 6
- FATBGEAMYMYZAF-KTKRTIGZSA-N oleamide Chemical compound CCCCCCCC\C=C/CCCCCCCC(N)=O FATBGEAMYMYZAF-KTKRTIGZSA-N 0.000 claims description 6
- FATBGEAMYMYZAF-UHFFFAOYSA-N oleicacidamide-heptaglycolether Natural products CCCCCCCCC=CCCCCCCCC(N)=O FATBGEAMYMYZAF-UHFFFAOYSA-N 0.000 claims description 6
- 239000012188 paraffin wax Substances 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 6
- 150000004756 silanes Chemical class 0.000 claims description 6
- 238000005245 sintering Methods 0.000 claims description 6
- 239000001117 sulphuric acid Substances 0.000 claims description 6
- 235000011149 sulphuric acid Nutrition 0.000 claims description 6
- 238000005496 tempering Methods 0.000 claims description 6
- UEUXEKPTXMALOB-UHFFFAOYSA-J tetrasodium;2-[2-[bis(carboxylatomethyl)amino]ethyl-(carboxylatomethyl)amino]acetate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-]C(=O)CN(CC([O-])=O)CCN(CC([O-])=O)CC([O-])=O UEUXEKPTXMALOB-UHFFFAOYSA-J 0.000 claims description 6
- MTPVUVINMAGMJL-UHFFFAOYSA-N trimethyl(1,1,2,2,2-pentafluoroethyl)silane Chemical compound C[Si](C)(C)C(F)(F)C(F)(F)F MTPVUVINMAGMJL-UHFFFAOYSA-N 0.000 claims description 6
- 229910052721 tungsten Inorganic materials 0.000 claims description 6
- 239000010937 tungsten Substances 0.000 claims description 6
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 claims description 6
- -1 tungsten nitride Chemical class 0.000 claims description 6
- 229920002554 vinyl polymer Polymers 0.000 claims description 6
- 239000011701 zinc Substances 0.000 claims description 6
- 229910052725 zinc Inorganic materials 0.000 claims description 6
- LYRFLYHAGKPMFH-UHFFFAOYSA-N octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(N)=O LYRFLYHAGKPMFH-UHFFFAOYSA-N 0.000 claims description 5
- ZEEBGORNQSEQBE-UHFFFAOYSA-N [2-(3-phenylphenoxy)-6-(trifluoromethyl)pyridin-4-yl]methanamine Chemical group C1(=CC(=CC=C1)OC1=NC(=CC(=C1)CN)C(F)(F)F)C1=CC=CC=C1 ZEEBGORNQSEQBE-UHFFFAOYSA-N 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 abstract description 2
- 239000010959 steel Substances 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract 2
- 229920000049 Carbon (fiber) Polymers 0.000 abstract 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 abstract 1
- 238000005299 abrasion Methods 0.000 abstract 1
- 239000004917 carbon fiber Substances 0.000 abstract 1
- 239000003623 enhancer Substances 0.000 abstract 1
- UFVKGYZPFZQRLF-UHFFFAOYSA-N hydroxypropyl methyl cellulose Chemical compound OC1C(O)C(OC)OC(CO)C1OC1C(O)C(O)C(OC2C(C(O)C(OC3C(C(O)C(O)C(CO)O3)O)C(CO)O2)O)C(CO)O1 UFVKGYZPFZQRLF-UHFFFAOYSA-N 0.000 abstract 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 abstract 1
- RKISUIUJZGSLEV-UHFFFAOYSA-N n-[2-(octadecanoylamino)ethyl]octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(=O)NCCNC(=O)CCCCCCCCCCCCCCCCC RKISUIUJZGSLEV-UHFFFAOYSA-N 0.000 abstract 1
- 229920001296 polysiloxane Polymers 0.000 abstract 1
- CADICXFYUNYKGD-UHFFFAOYSA-N sulfanylidenemanganese Chemical compound [Mn]=S CADICXFYUNYKGD-UHFFFAOYSA-N 0.000 abstract 1
- HQYALQRYBUJWDH-UHFFFAOYSA-N trimethoxy(propyl)silane Chemical compound CCC[Si](OC)(OC)OC HQYALQRYBUJWDH-UHFFFAOYSA-N 0.000 abstract 1
- 238000009692 water atomization Methods 0.000 abstract 1
- 230000008602 contraction Effects 0.000 description 8
- 239000006185 dispersion Substances 0.000 description 8
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 5
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 5
- 239000006057 Non-nutritive feed additive Substances 0.000 description 5
- 239000007866 anti-wear additive Substances 0.000 description 5
- 150000002148 esters Chemical class 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 239000004615 ingredient Substances 0.000 description 4
- 238000007711 solidification Methods 0.000 description 4
- 230000008023 solidification Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 229940125904 compound 1 Drugs 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 229940125782 compound 2 Drugs 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005555 metalworking Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000012255 powdered metal Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
Classifications
-
- B22F1/0003—
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/02—Compacting only
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/10—Sintering only
- B22F3/1003—Use of special medium during sintering, e.g. sintering aid
- B22F3/1007—Atmosphere
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/24—After-treatment of workpieces or articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
- B22F5/08—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of toothed articles, e.g. gear wheels; of cam discs
-
- 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
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
- C23C8/08—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
- C23C8/10—Oxidising
- C23C8/16—Oxidising using oxygen-containing compounds, e.g. water, carbon dioxide
- C23C8/18—Oxidising of ferrous surfaces
-
- 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
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
- C23C8/08—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
- C23C8/20—Carburising
- C23C8/22—Carburising of ferrous surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/24—After-treatment of workpieces or articles
- B22F2003/248—Thermal after-treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
Abstract
The invention discloses a powder metallurgical gear. The powder metallurgical gear is prepared from water atomization iron powder, copper powder, molybdenum powder, vanadium powder, nickel powder, yttrium powder, aluminum powder, magnesium powder, cobalt powder, lead powder, steel slag powder, iron-melted furnace slag powder, ferroalloy slag powder, modified tree ash powder, graphite powder, amino resin, polyether modified silicone, hydroxypropyl methyl cellulose, zinc stearate, polyethylene glycol, ethylene bisstearamide, stearic acid, carbon fibers, glass fibers, boron nitride, epoxypropoxy propyl trimethoxysilane, silicon dioxide, manganese sulfide, acrylate, an inhibitor, a binder, an enhancer, a cutting agent, a lubricant, a coupling agent and a dispersing agent. According to the powder metallurgical gear, by means of specific composition proportion, the overall density is uniform, the compactness is high, the elongation and reduction of cross section are high, the abrasion resistance, strength and hardness are good, the material utilization rate is high, and the materials are suitable for rapidly producing high-performance gears on large scale.
Description
[technical field]
The invention belongs to powder metallurgical technology, be specifically related to a kind of powder metallurgical gear.
[background technology]
Gear be dependent on that the engagement of tooth is reliable and noiseless transmit the colyliform machine components of torque, gear by with other dentation machine components transmission, can realize changing rotating speed and moment of torsion, change the direction of motion and change the functions such as forms of motion.Gear drive at present has become the most widely used kind of drive.
PM technique, it is possible to the shape production requirement high dimensional accuracy the most close with article shape, the parts of complicated shape, it is possible to reduce cutting cost significantly.Especially in gear manufacture field, it is a kind of efficient, precision, flexibly metal working process that powder metallurgic method manufactures gear, is suitable to high-volume low-cost production high intensity, the gear of high tolerance.Greatly reduce tradition steel and machine quality, the deficiency of poor performance caused.
But, existing powdered metal parts, owing to formula is the most perfect, batch mixing is uneven, cause stock utilization low, the green compact being pressed into uneven, the global density by the part of heat treatment gained is uneven, and consistency is low, elongation percentage and the contraction percentage of area are little, and wearability, intensity and hardness are poor.
[summary of the invention]
The problems such as the present invention provides a kind of powder metallurgical gear, and uneven to solve existing powder metallurgical gear global density, consistency is low, and elongation percentage and the contraction percentage of area are little, and wearability, intensity and hardness are poor, and stock utilization is low, and preparation cost is high.The powder metallurgical gear of the present invention, by specific composition proportion so that powder metallurgical gear global density is uniform, consistency is high, and elongation percentage and the contraction percentage of area are big, and wearability, intensity and hardness are good, stock utilization is high, is suitable to high-volume and quickly produces High-performance gear.
For solve above technical problem, the present invention by the following technical solutions:
nullA kind of powder metallurgical gear，In units of weight，It is made up of following raw material: water-atomized iron powder 280-850 part、Copper powder 2-6 part、Molybdenum powder 2-5 part、Vanadium powder 3-5 part、Nikel powder 1-3 part、Yttrium powder 2-3 part、Aluminium powder 2-3 part、Magnesium powder 1-2 part、Cobalt powder 1-1.5 part、Hydrocerussitum (Ceruse) 1-1.8 part、Steel-making slag powder 1.5-2.5 part、Cupola furnace ground-slag 1-2 part、Ferroalloy ground-slag 1-2 part、Modified tree ash powder 0.8-1.2 part、Graphite powder 0.6-1.2 part、Amino resins 0.6-1 part、Polyether modified silicon oil 0.4-0.9 part、Hydroxypropyl methyl cellulose 0.6-0.8 part、Zinc stearate 0.3-1 part、Polyethylene Glycol 0.4-0.8 part、Ethylene bis stearic acid amide 0.2-0.4 part、Stearic acid 0.5-0.8 part、Carbon fibre 0.4-0.7 part、Glass fibre 0.3-0.5 part、Boron nitride 0.2-0.3 part、Glycidoxy-propyltrimethoxy silane 0.1-0.2 part、Silicon dioxide 0.05-0.1 part、Manganese monosulfide. 0.03-0.05 part、Acrylate 0.01-0.03 part、Inhibitor 0.02-0.04 part、Binding agent 0.06-0.08 part、Hardening agent 0.04-0.08 part、Cutting agent 0.08-0.12 part、Lubricant 0.12-0.15 part、Coupling agent 0.1-0.14 part、Dispersant 0.1-0.12 part；
In described powder stock, the particle diameter of various metal dusts is 200-400 mesh；
Described glycidoxy-propyltrimethoxy silane is viscosifier；
Described silicon dioxide is antiwear additive；
Described Manganese monosulfide. is processing aid；
Described acrylate is regulator；
Described inhibitor, in units of weight portion, is made up of following raw material: tungsten carbide 12-16 part, niobium carbide 10-14 part, ramet 10-12 part, tungsten nitride 8-10 part, titanium carbide 10-15 part, molybdenum sulfide 6-8 part, cerium fluoride 5-9 part, carbon 8-15 part；
Described binding agent, in units of weight portion, is made up of following raw material: nickel aluminide 9-15 part, Titanium Trialuminum 8-14 part, aluminium nitride 6-12 part, zinc 5-10 part；
The preparation method of described powder metallurgical gear, comprises the following steps:
S1: the iron powder that makes water fogging, copper powder, molybdenum powder, vanadium powder, nikel powder, yttrium powder, aluminium powder, magnesium powder, cobalt powder, Hydrocerussitum (Ceruse), graphite powder, Polyethylene Glycol, stearic acid, carbon fibre, glass fibre join in blender, under rotating speed is 100-200r/min, stirs 10-14min, prepares mixture A；
S2: by stirring 12-16min under rotating speed is 200-300r/min in amino resins, hydroxypropyl methyl cellulose, zinc stearate, ethylene bis stearic acid amide, boron nitride addition blender, prepare mixture B；
S3: the mixture A that step S1 prepared, step S2 prepares mixture B, steel-making slag powder, cupola furnace ground-slag, ferroalloy ground-slag, modified tree ash powder, polyether modified silicon oil, glycidoxy-propyltrimethoxy silane, silicon dioxide, Manganese monosulfide., esters of acrylic acid regulator, inhibitor, binding agent, hardening agent, cutting agent, lubricant, coupling agent, dispersant join in blender, it is 200-280 DEG C in temperature, rotating speed is stirring 2-4h under 300-400r/min, prepares mixture C；
S4: the mixture C that step S3 prepares is put into press, is sent into described mixture C in the product mold preset by press, and is pressed into green part under pressure is 560-620MPa；
S5: the green part that step S4 prepares is placed in sintering furnace; in the protective atmosphere of hydrogen and nitrogen mixed gas, first at 680-700 DEG C, presintering 45-50min; wherein hydrogen is 1.8-2.2:97.8-98.2 with the volume ratio of nitrogen, is then sintered by following liter of mild temperature:
1) with heating rate 18-22 DEG C/min, it is warming up to 900-940 DEG C from 680-700 DEG C, and is incubated 8-12 min；
2) with heating rate 23-27 DEG C/min, it is warming up to 1050-1080 DEG C from 900-940 DEG C, and is incubated 14-16min；
3) with heating rate 12-16 DEG C/min, it is warming up to 1180-1200 DEG C from 1050-1080 DEG C, and sinters 145-150min at this temperature, prepare workpiece；
S6: the workpiece that step S5 prepares is quenched, hardening heat is 810-830 DEG C, cool time is 40-50min, then it is warming up to 920-930 DEG C with heating rate 8-12 DEG C/min, insulation 70-80min, then be tempered, temperature is 220-230 DEG C, tempering insulation time is 80-85min, prepares the powder metallurgical gear after lonneal；
S7: the powder metallurgical gear after the lonneal prepare step S6, in carburizer, is heated to 820-860 DEG C in the carburizing medium of gaseous state, is incubated 5.5-6h, it is then cooled to 125-128 DEG C, insulation 6-7h, followed by being cooled to room temperature, prepares the powder metallurgical gear after carburizing；
S8: the powder metallurgical gear after the carburizing prepare step S7 is sent in steam oven, carries out steam process, and vapor (steam) temperature is 720-740 DEG C, insulation 2.5-2.8h, then at 170-185 DEG C, it is incubated 3.5-4h, finally naturally cools to room temperature, prepare powder metallurgical gear product.
Further, described modified tree ash powder is prepared by the following method and forms: by tree ash first with the soak with sulphuric acid 20-25min of 28%-32%, then neutralize with sodium hydroxide solution, wash miscellaneous again with deionized water, mix with NDZ-311 titanate coupling agent again, the 1.2%-1.8% that consumption is tree ash weight of described NDZ-311 titanate coupling agent, add in high speed mixer with Sprayable, discharging after stirring 16-18min, dry, pulverized 500-600 mesh sieve, prepare modified tree ash powder.
Further, described hardening agent is 701 powder hardening agents.
Further, described cutting agent is in units of weight, it is made up of following raw material: cutting oil 12-14 part, tricresyl phosphate propyl ester 8-10 part, dinonylnaphthalene sulfonic acid calcium 4-6 part, 2,6 ditertiary butyl p cresol 5-9 part, dodecenylsuccinic acid 5-7 part, triethanolamine borate 8-10 part, polyacrylamide 6-10 part, dodecylbenzene sodium sulfonate 7-9 part, benzoic acid 5-8 part, oleamide 3-7 part, tetrasodium ethylenediamine tetraacetate 2-6 part, amino carboxylic acid quasi-chelate compound 1-2 part, Polyethylene Glycol 7-13 part.
Further, described lubricant, in units of weight, it is made up of following raw material: polyvinyl isobutyl ether 18-38 part, chlorinated paraffin 6-12 part, magnesium oxide particle 4-8 part, zinc stearate 6-19 part, carboxylic acid amide 8-12 part, acetate butyl 12-14 part, boric acid 6-10 part, N-Methyl pyrrolidone 7-10 part, dimethylformamide 6-9 part.
Further, described coupling agent is epoxy silane class coupling agent.
Further, described dispersant is hexenyl bis-stearamides.
The method have the advantages that
(1) powder metallurgical gear that the present invention prepares has good combination property, and wherein percentage elongation has reached more than 18.02%, and the contraction percentage of area has reached more than 51.34%, and tensile strength has reached 828.15
More than MPa, yield strength has reached 543.11 more than MPa, and hardness has reached 109.59 more than HRC, and stock utilization has reached more than 92.15%, and consistency has reached more than 91.76%；
(2) powder metallurgical gear of the present invention, use steel-making slag powder, cupola furnace ground-slag, ferroalloy ground-slag, tree ash powder as the specific components of powder metallurgical gear, recycling garbage, effectively reduces cost；
(3) powder metallurgical gear of the present invention, by specific composition proportion so that powder metallurgical gear global density is uniform, consistency is high, and elongation percentage and the contraction percentage of area are big, and wearability, intensity and hardness are good, stock utilization is high, is suitable to high-volume and quickly produces High-performance gear.
[detailed description of the invention]
For ease of being more fully understood that the present invention, being illustrated by following example, these embodiments belong to protection scope of the present invention, but are not intended to protection scope of the present invention.
nullIn an embodiment，Described powder metallurgical gear，In units of weight，It is made up of following raw material: water-atomized iron powder 280-850 part、Copper powder 2-6 part、Molybdenum powder 2-5 part、Vanadium powder 3-5 part、Nikel powder 1-3 part、Yttrium powder 2-3 part、Aluminium powder 2-3 part、Magnesium powder 1-2 part、Cobalt powder 1-1.5 part、Hydrocerussitum (Ceruse) 1-1.8 part、Steel-making slag powder 1.5-2.5 part、Cupola furnace ground-slag 1-2 part、Ferroalloy ground-slag 1-2 part、Modified tree ash powder 0.8-1.2 part、Graphite powder 0.6-1.2 part、Amino resins 0.6-1 part、Polyether modified silicon oil 0.4-0.9 part、Hydroxypropyl methyl cellulose 0.6-0.8 part、Zinc stearate 0.3-1 part、Polyethylene Glycol 0.4-0.8 part、Ethylene bis stearic acid amide 0.2-0.4 part、Stearic acid 0.5-0.8 part、Carbon fibre 0.4-0.7 part、Glass fibre 0.3-0.5 part、Boron nitride 0.2-0.3 part、Glycidoxy-propyltrimethoxy silane 0.1-0.2 part、Silicon dioxide 0.05-0.1 part、Manganese monosulfide. 0.03-0.05 part、Acrylate 0.01-0.03 part、Inhibitor 0.02-0.04 part、Binding agent 0.06-0.08 part、Hardening agent 0.04-0.08 part、Cutting agent 0.08-0.12 part、Lubricant 0.12-0.15 part、Coupling agent 0.1-0.14 part、Dispersant 0.1-0.12 part；
In described powder stock, the particle diameter of various metal dusts is 200-400 mesh；
Described modified tree ash powder is prepared by the following method and forms: by tree ash first with the soak with sulphuric acid 20-25min of 28%-32%, then neutralize with sodium hydroxide solution, wash miscellaneous again with deionized water, mix with NDZ-311 titanate coupling agent again, the 1.2%-1.8% that consumption is tree ash weight of described NDZ-311 titanate coupling agent, adds in high speed mixer with Sprayable, discharging after stirring 16-18min, dry, pulverized 500-600 mesh sieve, prepare modified tree ash powder；
Described glycidoxy-propyltrimethoxy silane is viscosifier；
Described silicon dioxide is antiwear additive；
Described Manganese monosulfide. is processing aid；
Described acrylate is regulator；
Described inhibitor, in units of weight portion, is made up of following raw material: tungsten carbide 12-16 part, niobium carbide 10-14 part, ramet 10-12 part, tungsten nitride 8-10 part, titanium carbide 10-15 part, molybdenum sulfide 6-8 part, cerium fluoride 5-9 part, carbon 8-15 part；
Described binding agent, in units of weight portion, is made up of following raw material: nickel aluminide 9-15 part, Titanium Trialuminum 8-14 part, aluminium nitride 6-12 part, zinc 5-10 part；
Described hardening agent is 701 powder hardening agents；
Described cutting agent is in units of weight, it is made up of following raw material: cutting oil 12-14 part, tricresyl phosphate propyl ester 8-10 part, dinonylnaphthalene sulfonic acid calcium 4-6 part, 2,6 ditertiary butyl p cresol 5-9 part, dodecenylsuccinic acid 5-7 part, triethanolamine borate 8-10 part, polyacrylamide 6-10 part, dodecylbenzene sodium sulfonate 7-9 part, benzoic acid 5-8 part, oleamide 3-7 part, tetrasodium ethylenediamine tetraacetate 2-6 part, amino carboxylic acid quasi-chelate compound 1-2 part, Polyethylene Glycol 7-13 part；The preparation method of described cutting agent, comprises the following steps:
Step 1, will cutting oil, tricresyl phosphate propyl ester, dinonylnaphthalene sulfonic acid calcium, 2,6-ditertbutylparacresol, dodecenylsuccinic acid, triethanolamine borate, polyacrylamide, dodecylbenzene sodium sulfonate, benzoic acid mix homogeneously, then heat the mixture to 52-58 DEG C；
Step 2, adds remaining ingredient in step 1 gained mixture, continues to be heated to 76-92 DEG C, and be incubated 2.5-3.5h, prepare cutting agent；
Described lubricant, in units of weight, it is made up of following raw material: polyvinyl isobutyl ether 18-38 part, chlorinated paraffin 6-12 part, magnesium oxide particle 4-8 part, zinc stearate 6-19 part, carboxylic acid amide 8-12 part, acetate butyl 12-14 part, boric acid 6-10 part, N-Methyl pyrrolidone 7-10 part, dimethylformamide 6-9 part；Described lubricant is prepared by following preparation method:
The raw material components of lubricant is joined in reactor and react 11-19h in 420-480 DEG C, then use the cone mill to particle with clipping power as mechanical dispersion equipment after solidification, be ground dispersion, prepare lubricant；
Described coupling agent is epoxy silane class coupling agent；
Described dispersant is hexenyl bis-stearamides；
The preparation method of described powder metallurgical gear, comprises the following steps:
S1: the iron powder that makes water fogging, copper powder, molybdenum powder, vanadium powder, nikel powder, yttrium powder, aluminium powder, magnesium powder, cobalt powder, Hydrocerussitum (Ceruse), graphite powder, Polyethylene Glycol, stearic acid, carbon fibre, glass fibre join in blender, under rotating speed is 100-200r/min, stirs 10-14min, prepares mixture A；
S2: by stirring 12-16min under rotating speed is 200-300r/min in amino resins, hydroxypropyl methyl cellulose, zinc stearate, ethylene bis stearic acid amide, boron nitride addition blender, prepare mixture B；
S3: the mixture A that step S1 prepared, step S2 prepares mixture B, steel-making slag powder, cupola furnace ground-slag, ferroalloy ground-slag, modified tree ash powder, polyether modified silicon oil, glycidoxy-propyltrimethoxy silane, silicon dioxide, Manganese monosulfide., esters of acrylic acid regulator, inhibitor, binding agent, hardening agent, cutting agent, lubricant, coupling agent, dispersant join in blender, it is 200-280 DEG C in temperature, rotating speed is stirring 2-4h under 300-400r/min, prepares mixture C；
S4: the mixture C that step S3 prepares is put into press, is sent into described mixture C in the product mold preset by press, and is pressed into green part under pressure is 560-620MPa；
S5: the green part that step S4 prepares is placed in sintering furnace; in the protective atmosphere of hydrogen and nitrogen mixed gas, first at 680-700 DEG C, presintering 45-50min; wherein hydrogen is 1.8-2.2:97.8-98.2 with the volume ratio of nitrogen, is then sintered by following liter of mild temperature:
1) with heating rate 18-22 DEG C/min, it is warming up to 900-940 DEG C from 680-700 DEG C, and is incubated 8-12 min；
2) with heating rate 23-27 DEG C/min, it is warming up to 1050-1080 DEG C from 900-940 DEG C, and is incubated 14-16min；
3) with heating rate 12-16 DEG C/min, it is warming up to 1180-1200 DEG C from 1050-1080 DEG C, and sinters 145-150min at this temperature, prepare workpiece；
S6: the workpiece that step S5 prepares is quenched, hardening heat is 810-830 DEG C, cool time is 40-50min, then it is warming up to 920-930 DEG C with heating rate 8-12 DEG C/min, insulation 70-80min, then be tempered, temperature is 220-230 DEG C, tempering insulation time is 80-85min, prepares the powder metallurgical gear after lonneal；
S7: the powder metallurgical gear after the lonneal prepare step S6, in carburizer, is heated to 820-860 DEG C in the carburizing medium of gaseous state, is incubated 5.5-6h, it is then cooled to 125-128 DEG C, insulation 6-7h, followed by being cooled to room temperature, prepares the powder metallurgical gear after carburizing；
S8: the powder metallurgical gear after the carburizing prepare step S7 is sent in steam oven, carries out steam process, and vapor (steam) temperature is 720-740 DEG C, insulation 2.5-2.8h, then at 170-185 DEG C, it is incubated 3.5-4h, finally naturally cools to room temperature, prepare powder metallurgical gear product.
Embodiment 1
nullA kind of powder metallurgical gear，In units of weight，It is made up of following raw material: water-atomized iron powder 560 parts、Copper powder 4 parts、Molybdenum powder 4 parts、Vanadium powder 4 parts、Nikel powder 2 parts、2.5 parts of yttrium powder、Aluminium powder 2.5 parts、Magnesium powder 1.5 parts、Cobalt powder 1.2 parts、1.4 parts of Hydrocerussitum (Ceruse)、Steel-making slag powder 2 parts、Cupola furnace ground-slag 1.5 parts、Ferroalloy ground-slag 1.5 parts、Modified 1 part of tree ash powder、Graphite powder 0.9 part、0.8 part of amino resins、Polyether modified silicon oil 0.7 part、Hydroxypropyl methyl cellulose 0.7 part、Zinc stearate 0.7 part、Polyethylene Glycol 0.6 part、Ethylene bis stearic acid amide 0.3 part、Stearic acid 0.7 part、Carbon fibre 0.6 part、Glass fibre 0.4 part、Boron nitride 0.2 part、Glycidoxy-propyltrimethoxy silane 0.1 part、Silicon dioxide 0.08 part、Manganese monosulfide. 0.04 part、Acrylate 0.02 part、Inhibitor 0.03 part、Binding agent 0.07 part、Hardening agent 0.06 part、Cutting agent 0.1 part、Lubricant 0.14 part、Coupling agent 0.12 part、Dispersant 0.11 part；
In described powder stock, the particle diameter of various metal dusts is 200-400 mesh；
Described modified tree ash powder is prepared by the following method and forms: by tree ash first with 30% soak with sulphuric acid 22min, then neutralize with sodium hydroxide solution, wash miscellaneous again with deionized water, mix with NDZ-311 titanate coupling agent again, consumption is tree ash weight the 1.5% of described NDZ-311 titanate coupling agent, adds in high speed mixer with Sprayable, discharging after stirring 17min, dry, pulverized 550 mesh sieve, prepare modified tree ash powder；
Described glycidoxy-propyltrimethoxy silane is viscosifier；
Described silicon dioxide is antiwear additive；
Described Manganese monosulfide. is processing aid；
Described acrylate is regulator；
Described inhibitor, in units of weight portion, is made up of following raw material: tungsten carbide 14 parts, niobium carbide 12 parts, ramet 10 parts, tungsten nitride 9 parts, titanium carbide 12 parts, molybdenum sulfide 7 parts, cerium fluoride 7 parts, 12 parts of carbon；
Described binding agent, in units of weight portion, is made up of following raw material: nickel aluminide 12 parts, Titanium Trialuminum 11 parts, aluminium nitride 9 parts, 8 parts of zinc；
Described hardening agent is 701 powder hardening agents；
Described cutting agent is in units of weight, it is made up of following raw material: cutting oil 13 parts, tricresyl phosphate propyl ester 9 parts, dinonylnaphthalene sulfonic acid calcium 5 parts, 2,6 ditertiary butyl p cresol 7 parts, dodecenylsuccinic acid 6 parts, triethanolamine borate 9 parts, polyacrylamide 8 parts, dodecylbenzene sodium sulfonate 8 parts, 6 parts of benzoic acid, oleamide 5 parts, tetrasodium ethylenediamine tetraacetate 4 parts, amino carboxylic acid quasi-chelate compound 1 part, Polyethylene Glycol 5 parts；The preparation method of described cutting agent, comprises the following steps:
Step 1, will cutting oil, tricresyl phosphate propyl ester, dinonylnaphthalene sulfonic acid calcium, 2,6-ditertbutylparacresol, dodecenylsuccinic acid, triethanolamine borate, polyacrylamide, dodecylbenzene sodium sulfonate, benzoic acid mix homogeneously, then heat the mixture to 55 DEG C；
Step 2, adds remaining ingredient in step 1 gained mixture, continues to be heated to 85 DEG C, and be incubated 3h, prepare cutting agent；
Described lubricant, in units of weight, it is made up of following raw material: 28 parts of polyvinyl isobutyl ether, chlorinated paraffin 9 parts, magnesium oxide particle 6 parts, zinc stearate 12 parts, carboxylic acid amide 10 parts, acetate butyl 13 parts, boric acid 8 parts, N-Methyl pyrrolidone 8 parts, dimethylformamide 7 parts；Described lubricant is prepared by following preparation method:
The raw material components of lubricant is joined in reactor and react 15h in 450 DEG C, then use the cone mill to particle with clipping power as mechanical dispersion equipment after solidification, be ground dispersion, prepare lubricant；
Described coupling agent is epoxy silane class coupling agent；
Described dispersant is hexenyl bis-stearamides；
The preparation method of described powder metallurgical gear, comprises the following steps:
S1: the iron powder that makes water fogging, copper powder, molybdenum powder, vanadium powder, nikel powder, yttrium powder, aluminium powder, magnesium powder, cobalt powder, Hydrocerussitum (Ceruse), graphite powder, Polyethylene Glycol, stearic acid, carbon fibre, glass fibre join in blender, under rotating speed is 150r/min, stirs 12min, prepares mixture A；
S2: by stirring 14min under rotating speed is 250r/min in amino resins, hydroxypropyl methyl cellulose, zinc stearate, ethylene bis stearic acid amide, boron nitride addition blender, prepare mixture B；
S3: the mixture A that step S1 prepared, step S2 prepares mixture B, steel-making slag powder, cupola furnace ground-slag, ferroalloy ground-slag, modified tree ash powder, polyether modified silicon oil, glycidoxy-propyltrimethoxy silane, silicon dioxide, Manganese monosulfide., esters of acrylic acid regulator, inhibitor, binding agent, hardening agent, cutting agent, lubricant, coupling agent, dispersant join in blender, it it is 240 DEG C in temperature, rotating speed is stirring 3h under 350r/min, prepares mixture C；
S4: the mixture C that step S3 prepares is put into press, is sent into described mixture C in the product mold preset by press, and is pressed into green part under pressure is 590MPa；
S5: the green part that step S4 prepares is placed in sintering furnace, in the protective atmosphere of hydrogen and nitrogen mixed gas, first at 690 DEG C, presintering 48min, wherein hydrogen is 2:98 with the volume ratio of nitrogen, is then sintered by following liter of mild temperature:
1) with 20 DEG C/min of heating rate, it is warming up to 920 DEG C from 690 DEG C, and is incubated 10 min；
2) with 25 DEG C/min of heating rate, it is warming up to 1065 DEG C from 920 DEG C, and is incubated 15min；
3) with 14 DEG C/min of heating rate, it is warming up to 1180 DEG C from 1065 DEG C, and sinters 150min at this temperature, prepare workpiece；
S6: the workpiece that step S5 prepares is quenched, hardening heat is 820 DEG C, cool time is 45min, then it is warming up to 925 DEG C with 10 DEG C/min of heating rate, insulation 75min, then be tempered, temperature is 225 DEG C, tempering insulation time is 82min, prepares the powder metallurgical gear after lonneal；
S7: the powder metallurgical gear after the lonneal prepare step S6, in carburizer, is heated to 840 DEG C in the carburizing medium of gaseous state, is incubated 5.8h, is then cooled to 126 DEG C, is incubated 6.5h, followed by being cooled to room temperature, prepares the powder metallurgical gear after carburizing；
S8: the powder metallurgical gear after the carburizing prepare step S7 is sent in steam oven, carries out steam process, and vapor (steam) temperature is 730 DEG C, is incubated 2.6h, is then incubated 3.8h at 178 DEG C, finally naturally cools to room temperature, prepare powder metallurgical gear product.
Embodiment 2
nullA kind of powder metallurgical gear，In units of weight，It is made up of following raw material: water-atomized iron powder 280 parts、Copper powder 2 parts、Molybdenum powder 2 parts、Vanadium powder 3 parts、Nikel powder 1 part、2 parts of yttrium powder、Aluminium powder 2 parts、Magnesium powder 1 part、Cobalt powder 1 part、1 part of Hydrocerussitum (Ceruse)、Steel-making slag powder 1.5 parts、Cupola furnace ground-slag 1 part、Ferroalloy ground-slag 1 part、Modified 0.8 part of tree ash powder、Graphite powder 0.6 part、0.6 part of amino resins、Polyether modified silicon oil 0.4 part、Hydroxypropyl methyl cellulose 0.6 part、Zinc stearate 0.3 part、Polyethylene Glycol 0.4 part、Ethylene bis stearic acid amide 0.2 part、Stearic acid 0.5 part、Carbon fibre 0.4 part、Glass fibre 0.3 part、Boron nitride 0.2 part、Glycidoxy-propyltrimethoxy silane 0.1 part、Silicon dioxide 0.05 part、Manganese monosulfide. 0.03 part、Acrylate 0.01 part、Inhibitor 0.02 part、Binding agent 0.06 part、Hardening agent 0.04 part、Cutting agent 0.08 part、Lubricant 0.12 part、Coupling agent 0.1 part、Dispersant 0.1 part；
In described powder stock, the particle diameter of various metal dusts is 200-400 mesh；
Described modified tree ash powder is prepared by the following method and forms: by tree ash first with 28% soak with sulphuric acid 25min, then neutralize with sodium hydroxide solution, wash miscellaneous again with deionized water, mix with NDZ-311 titanate coupling agent again, consumption is tree ash weight the 1.2% of described NDZ-311 titanate coupling agent, adds in high speed mixer with Sprayable, discharging after stirring 16min, dry, pulverized 500 mesh sieve, prepare modified tree ash powder；
Described glycidoxy-propyltrimethoxy silane is viscosifier；
Described silicon dioxide is antiwear additive；
Described Manganese monosulfide. is processing aid；
Described acrylate is regulator；
Described inhibitor, in units of weight portion, is made up of following raw material: tungsten carbide 12 parts, niobium carbide 10 parts, ramet 10 parts, tungsten nitride 8 parts, titanium carbide 10 parts, molybdenum sulfide 6 parts, cerium fluoride 5 parts, 8 parts of carbon；
Described binding agent, in units of weight portion, is made up of following raw material: nickel aluminide 9 parts, Titanium Trialuminum 8 parts, aluminium nitride 6 parts, 5 parts of zinc；
Described hardening agent is 701 powder hardening agents；
Described cutting agent is in units of weight, it is made up of following raw material: cutting oil 12 parts, tricresyl phosphate propyl ester 8 parts, dinonylnaphthalene sulfonic acid calcium 4 parts, 2,6 ditertiary butyl p cresol 5 parts, dodecenylsuccinic acid 5 parts, triethanolamine borate 8 parts, polyacrylamide 6 parts, dodecylbenzene sodium sulfonate 7 parts, 5 parts of benzoic acid, oleamide 3 parts, tetrasodium ethylenediamine tetraacetate 2 parts, amino carboxylic acid quasi-chelate compound 1 part, Polyethylene Glycol 7 parts；The preparation method of described cutting agent, comprises the following steps:
Step 1, will cutting oil, tricresyl phosphate propyl ester, dinonylnaphthalene sulfonic acid calcium, 2,6-ditertbutylparacresol, dodecenylsuccinic acid, triethanolamine borate, polyacrylamide, dodecylbenzene sodium sulfonate, benzoic acid mix homogeneously, then heat the mixture to 52 DEG C；
Step 2, adds remaining ingredient in step 1 gained mixture, continues to be heated to 76 DEG C, and be incubated 3.5h, prepare cutting agent；
Described lubricant, in units of weight, it is made up of following raw material: 18 parts of polyvinyl isobutyl ether, chlorinated paraffin 6 parts, magnesium oxide particle 4 parts, zinc stearate 6 parts, carboxylic acid amide 8 parts, acetate butyl 12 parts, boric acid 6 parts, N-Methyl pyrrolidone 7 parts, dimethylformamide 6 parts；Described lubricant is prepared by following preparation method:
The raw material components of lubricant is joined in reactor and react 19h in 420 DEG C, then use the cone mill to particle with clipping power as mechanical dispersion equipment after solidification, be ground dispersion, prepare lubricant；
Described coupling agent is epoxy silane class coupling agent；
Described dispersant is hexenyl bis-stearamides；
The preparation method of described powder metallurgical gear, comprises the following steps:
S1: the iron powder that makes water fogging, copper powder, molybdenum powder, vanadium powder, nikel powder, yttrium powder, aluminium powder, magnesium powder, cobalt powder, Hydrocerussitum (Ceruse), graphite powder, Polyethylene Glycol, stearic acid, carbon fibre, glass fibre join in blender, under rotating speed is 100r/min, stirs 14min, prepares mixture A；
S2: by stirring 16min under rotating speed is 200r/min in amino resins, hydroxypropyl methyl cellulose, zinc stearate, ethylene bis stearic acid amide, boron nitride addition blender, prepare mixture B；
S3: the mixture A that step S1 prepared, step S2 prepares mixture B, steel-making slag powder, cupola furnace ground-slag, ferroalloy ground-slag, modified tree ash powder, polyether modified silicon oil, glycidoxy-propyltrimethoxy silane, silicon dioxide, Manganese monosulfide., esters of acrylic acid regulator, inhibitor, binding agent, hardening agent, cutting agent, lubricant, coupling agent, dispersant join in blender, it it is 200 DEG C in temperature, rotating speed is stirring 4h under 300r/min, prepares mixture C；
S4: the mixture C that step S3 prepares is put into press, is sent into described mixture C in the product mold preset by press, and is pressed into green part under pressure is 560MPa；
S5: the green part that step S4 prepares is placed in sintering furnace, in the protective atmosphere of hydrogen and nitrogen mixed gas, first at 680 DEG C, presintering 50min, wherein hydrogen is 1.8:98.2 with the volume ratio of nitrogen, is then sintered by following liter of mild temperature:
1) with 18 DEG C/min of heating rate, it is warming up to 900 DEG C from 680 DEG C, and is incubated 12 min；
2) with 23 DEG C/min of heating rate, it is warming up to 1050 DEG C from 900 DEG C, and is incubated 16min；
3) with 12 DEG C/min of heating rate, it is warming up to 1200 DEG C from 1050 DEG C, and sinters 150min at this temperature, prepare workpiece；
S6: the workpiece that step S5 prepares is quenched, hardening heat is 810 DEG C, cool time is 50min, then it is warming up to 920 DEG C with 8 DEG C/min of heating rate, insulation 80min, then be tempered, temperature is 220 DEG C, tempering insulation time is 85min, prepares the powder metallurgical gear after lonneal；
S7: the powder metallurgical gear after the lonneal prepare step S6, in carburizer, is heated to 820 DEG C in the carburizing medium of gaseous state, is incubated 6h, is then cooled to 125 DEG C, is incubated 7h, followed by being cooled to room temperature, prepares the powder metallurgical gear after carburizing；
S8: the powder metallurgical gear after the carburizing prepare step S7 is sent in steam oven, carries out steam process, and vapor (steam) temperature is 720 DEG C, is incubated 2.8h, is then incubated 4h at 170 DEG C, finally naturally cools to room temperature, prepare powder metallurgical gear product.
Embodiment 3
nullA kind of powder metallurgical gear，In units of weight，It is made up of following raw material: water-atomized iron powder 850 parts、Copper powder 6 parts、Molybdenum powder 5 parts、Vanadium powder 5 parts、Nikel powder 3 parts、3 parts of yttrium powder、Aluminium powder 3 parts、Magnesium powder 2 parts、Cobalt powder 1.5 parts、1.8 parts of Hydrocerussitum (Ceruse)、Steel-making slag powder 2.5 parts、Cupola furnace ground-slag 2 parts、Ferroalloy ground-slag 2 parts、Modified 1.2 parts of tree ash powder、Graphite powder 1.2 parts、1 part of amino resins、Polyether modified silicon oil 0.9 part、Hydroxypropyl methyl cellulose 0.8 part、Zinc stearate 1 part、Polyethylene Glycol 0.8 part、The double stearic acid acyl 0.2-0.4 part of ethylene、Stearic acid 0.8 part、Carbon fibre 0.7 part、Glass fibre 0.5 part、Boron nitride 0.3 part、Glycidoxy-propyltrimethoxy silane 0.2 part、Silicon dioxide 0.1 part、Manganese monosulfide. 0.05 part、Acrylate 0.03 part、Inhibitor 0.04 part、Binding agent 0.08 part、Hardening agent 0.08 part、Cutting agent 0.12 part、Lubricant 0.15 part、Coupling agent 0.14 part、Dispersant 0.12 part；
In described powder stock, the particle diameter of various metal dusts is 200-400 mesh；
Described modified tree ash powder is prepared by the following method and forms: by tree ash first with 32% soak with sulphuric acid 20min, then neutralize with sodium hydroxide solution, wash miscellaneous again with deionized water, mix with NDZ-311 titanate coupling agent again, consumption is tree ash weight the 1.8% of described NDZ-311 titanate coupling agent, adds in high speed mixer with Sprayable, discharging after stirring 18min, dry, pulverized 600 mesh sieve, prepare modified tree ash powder；
Described glycidoxy-propyltrimethoxy silane is viscosifier；
Described silicon dioxide is antiwear additive；
Described Manganese monosulfide. is processing aid；
Described acrylate is regulator；
Described inhibitor, in units of weight portion, is made up of following raw material: tungsten carbide 16 parts, niobium carbide 14 parts, ramet 12 parts, tungsten nitride 10 parts, titanium carbide 15 parts, molybdenum sulfide 8 parts, cerium fluoride 9 parts, 15 parts of carbon；
Described binding agent, in units of weight portion, is made up of following raw material: nickel aluminide 15 parts, Titanium Trialuminum 14 parts, aluminium nitride 12 parts, 10 parts of zinc；
Described hardening agent is 701 powder hardening agents；
Described cutting agent is in units of weight, it is made up of following raw material: cutting oil 14 parts, tricresyl phosphate propyl ester 10 parts, dinonylnaphthalene sulfonic acid calcium 6 parts, 2,6 ditertiary butyl p cresol 9 parts, dodecenylsuccinic acid 7 parts, triethanolamine borate 10 parts, polyacrylamide 10 parts, dodecylbenzene sodium sulfonate 9 parts, 8 parts of benzoic acid, oleamide 7 parts, tetrasodium ethylenediamine tetraacetate 6 parts, amino carboxylic acid quasi-chelate compound 2 parts, Polyethylene Glycol 13 parts；The preparation method of described cutting agent, comprises the following steps:
Step 1, will cutting oil, tricresyl phosphate propyl ester, dinonylnaphthalene sulfonic acid calcium, 2,6-ditertbutylparacresol, dodecenylsuccinic acid, triethanolamine borate, polyacrylamide, dodecylbenzene sodium sulfonate, benzoic acid mix homogeneously, then heat the mixture to 58 DEG C；
Step 2, adds remaining ingredient in step 1 gained mixture, continues to be heated to 92 DEG C, and be incubated 2.5h, prepare cutting agent；
Described lubricant, in units of weight, it is made up of following raw material: 38 parts of polyvinyl isobutyl ether, chlorinated paraffin 12 parts, magnesium oxide particle 8 parts, zinc stearate 19 parts, carboxylic acid amide 12 parts, acetate butyl 14 parts, boric acid 10 parts, N-Methyl pyrrolidone 10 parts, dimethylformamide 9 parts；Described lubricant is prepared by following preparation method:
The raw material components of lubricant is joined in reactor and react 11h in 480 DEG C, then use the cone mill to particle with clipping power as mechanical dispersion equipment after solidification, be ground dispersion, prepare lubricant；
Described coupling agent is epoxy silane class coupling agent；
Described dispersant is hexenyl bis-stearamides；
The preparation method of described powder metallurgical gear, comprises the following steps:
S1: the iron powder that makes water fogging, copper powder, molybdenum powder, vanadium powder, nikel powder, yttrium powder, aluminium powder, magnesium powder, cobalt powder, Hydrocerussitum (Ceruse), graphite powder, Polyethylene Glycol, stearic acid, carbon fibre, glass fibre join in blender, under rotating speed is 200r/min, stirs 10min, prepares mixture A；
S2: by stirring 12min under rotating speed is 300r/min in amino resins, hydroxypropyl methyl cellulose, zinc stearate, ethylene bis stearic acid amide, boron nitride addition blender, prepare mixture B；
S3: the mixture A that step S1 prepared, step S2 prepares mixture B, steel-making slag powder, cupola furnace ground-slag, ferroalloy ground-slag, modified tree ash powder, polyether modified silicon oil, glycidoxy-propyltrimethoxy silane, silicon dioxide, Manganese monosulfide., esters of acrylic acid regulator, inhibitor, binding agent, hardening agent, cutting agent, lubricant, coupling agent, dispersant join in blender, it it is 280 DEG C in temperature, rotating speed is stirring 2h under 400r/min, prepares mixture C；
S4: the mixture C that step S3 prepares is put into press, is sent into described mixture C in the product mold preset by press, and is pressed into green part under pressure is 620MPa；
S5: the green part that step S4 prepares is placed in sintering furnace, in the protective atmosphere of hydrogen and nitrogen mixed gas, first at 700 DEG C, presintering 45min, wherein hydrogen is 2.2:97.8 with the volume ratio of nitrogen, is then sintered by following liter of mild temperature:
1) with 22 DEG C/min of heating rate, it is warming up to 940 DEG C from 700 DEG C, and is incubated 8 min；
2) with 27 DEG C/min of heating rate, it is warming up to 1080 DEG C from 940 DEG C, and is incubated 14min；
3) with 16 DEG C/min of heating rate, it is warming up to 1200 DEG C from 1080 DEG C, and sinters 145min at this temperature, prepare workpiece；
S6: the workpiece that step S5 prepares is quenched, hardening heat is 830 DEG C, cool time is 40min, then it is warming up to 930 DEG C with 12 DEG C/min of heating rate, insulation 70min, then be tempered, temperature is 230 DEG C, tempering insulation time is 80min, prepares the powder metallurgical gear after lonneal；
S7: the powder metallurgical gear after the lonneal prepare step S6, in carburizer, is heated to 860 DEG C in the carburizing medium of gaseous state, is incubated 5.5h, is then cooled to 128 DEG C, is incubated 6h, followed by being cooled to room temperature, prepares the powder metallurgical gear after carburizing；
S8: the powder metallurgical gear after the carburizing prepare step S7 is sent in steam oven, carries out steam process, and vapor (steam) temperature is 740 DEG C, is incubated 2.5h, is then incubated 3.5h at 185 DEG C, finally naturally cools to room temperature, prepare powder metallurgical gear product.
Embodiment 1-3 preparing powder metallurgical gear and carries out performance test, result is as shown in the table.
| Embodiment | Percentage elongation (%) | The contraction percentage of area (%) | Tensile strength (MPa) | Yield strength (MPa) | Hardness (HRC) | Stock utilization (%) | Consistency (%) |
| 1 | 18.43 | 54.11 | 867.36 | 568.12 | 122.35 | 92.78 | 92.38 |
| 2 | 18.02 | 51.34 | 828.15 | 543.11 | 109.59 | 92.15 | 91.76 |
| 3 | 18.62 | 56.78 | 897.57 | 589.53 | 134.22 | 93.22 | 92.91 |
From upper table result it can be seen that the powder metallurgical gear that the present invention prepares has good combination property, wherein percentage elongation has reached more than 18.02%, and the contraction percentage of area has reached more than 51.34%, and tensile strength has reached 828.15
More than MPa, yield strength has reached 543.11 more than MPa, hardness has reached 109.59 more than HRC, stock utilization has reached more than 92.15%, and consistency has reached more than 91.76%, it is seen that the powder metallurgical gear global density that the present invention prepares is uniform, consistency is high, elongation percentage and the contraction percentage of area are big, and wearability, intensity and hardness are preferable, and stock utilization is high.
Above content it cannot be assumed that the present invention be embodied as be confined to these explanations; for general technical staff of the technical field of the invention; without departing from the inventive concept of the premise; some simple deduction or replace can also be made, all should be considered as belonging to the scope of patent protection that the present invention is determined by the claims submitted to.
Claims (7)
- null1. a powder metallurgical gear，It is characterized in that，In units of weight，It is made up of following raw material: water-atomized iron powder 280-850 part、Copper powder 2-6 part、Molybdenum powder 2-5 part、Vanadium powder 3-5 part、Nikel powder 1-3 part、Yttrium powder 2-3 part、Aluminium powder 2-3 part、Magnesium powder 1-2 part、Cobalt powder 1-1.5 part、Hydrocerussitum (Ceruse) 1-1.8 part、Steel-making slag powder 1.5-2.5 part、Cupola furnace ground-slag 1-2 part、Ferroalloy ground-slag 1-2 part、Modified tree ash powder 0.8-1.2 part、Graphite powder 0.6-1.2 part、Amino resins 0.6-1 part、Polyether modified silicon oil 0.4-0.9 part、Hydroxypropyl methyl cellulose 0.6-0.8 part、Zinc stearate 0.3-1 part、Polyethylene Glycol 0.4-0.8 part、Ethylene bis stearic acid amide 0.2-0.4 part、Stearic acid 0.5-0.8 part、Carbon fibre 0.4-0.7 part、Glass fibre 0.3-0.5 part、Boron nitride 0.2-0.3 part、Glycidoxy-propyltrimethoxy silane 0.1-0.2 part、Silicon dioxide 0.05-0.1 part、Manganese monosulfide. 0.03-0.05 part、Acrylate 0.01-0.03 part、Inhibitor 0.02-0.04 part、Binding agent 0.06-0.08 part、Hardening agent 0.04-0.08 part、Cutting agent 0.08-0.12 part、Lubricant 0.12-0.15 part、Coupling agent 0.1-0.14 part、Dispersant 0.1-0.12 part；Described inhibitor, in units of weight portion, is made up of following raw material: tungsten carbide 12-16 part, niobium carbide 10-14 part, ramet 10-12 part, tungsten nitride 8-10 part, titanium carbide 10-15 part, molybdenum sulfide 6-8 part, cerium fluoride 5-9 part, carbon 8-15 part；Described binding agent, in units of weight portion, is made up of following raw material: nickel aluminide 9-15 part, Titanium Trialuminum 8-14 part, aluminium nitride 6-12 part, zinc 5-10 part；The preparation method of described powder metallurgical gear, comprises the following steps:S1: the iron powder that makes water fogging, copper powder, molybdenum powder, vanadium powder, nikel powder, yttrium powder, aluminium powder, magnesium powder, cobalt powder, Hydrocerussitum (Ceruse), graphite powder, Polyethylene Glycol, stearic acid, carbon fibre, glass fibre join in blender, under rotating speed is 100-200r/min, stirs 10-14min, prepares mixture A；S2: by stirring 12-16min under rotating speed is 200-300r/min in amino resins, hydroxypropyl methyl cellulose, zinc stearate, ethylene bis stearic acid amide, boron nitride addition blender, prepare mixture B；S3: the mixture A that step S1 prepared, step S2 prepares mixture B, steel-making slag powder, cupola furnace ground-slag, ferroalloy ground-slag, modified tree ash powder, polyether modified silicon oil, glycidoxy-propyltrimethoxy silane, silicon dioxide, Manganese monosulfide., acrylate, inhibitor, binding agent, hardening agent, cutting agent, lubricant, coupling agent, dispersant join in blender, it is 200-280 DEG C in temperature, rotating speed is stirring 2-4h under 300-400r/min, prepares mixture C；S4: the mixture C that step S3 prepares is put into press, is sent into described mixture C in the product mold preset by press, and is pressed into green part under pressure is 560-620MPa；S5: the green part that step S4 prepares is placed in sintering furnace; in the protective atmosphere of hydrogen and nitrogen mixed gas, first at 680-700 DEG C, presintering 45-50min; wherein hydrogen is 1.8-2.2:97.8-98.2 with the volume ratio of nitrogen, is then sintered by following liter of mild temperature:1) with heating rate 18-22 DEG C/min, it is warming up to 900-940 DEG C from 680-700 DEG C, and is incubated 8-12 min；2) with heating rate 23-27 DEG C/min, it is warming up to 1050-1080 DEG C from 900-940 DEG C, and is incubated 14-16min；3) with heating rate 12-16 DEG C/min, it is warming up to 1180-1200 DEG C from 1050-1080 DEG C, and sinters 145-150min at this temperature, prepare workpiece；S6: the workpiece that step S5 prepares is quenched, hardening heat is 810-830 DEG C, cool time is 40-50min, then it is warming up to 920-930 DEG C with heating rate 8-12 DEG C/min, insulation 70-80min, then be tempered, temperature is 220-230 DEG C, tempering insulation time is 80-85min, prepares the powder metallurgical gear after lonneal；S7: the powder metallurgical gear after the lonneal prepare step S6, in carburizer, is heated to 820-860 DEG C in the carburizing medium of gaseous state, is incubated 5.5-6h, it is then cooled to 125-128 DEG C, insulation 6-7h, followed by being cooled to room temperature, prepares the powder metallurgical gear after carburizing；S8: the powder metallurgical gear after the carburizing prepare step S7 is sent in steam oven, carries out steam process, and vapor (steam) temperature is 720-740 DEG C, insulation 2.5-2.8h, then at 170-185 DEG C, it is incubated 3.5-4h, finally naturally cools to room temperature, prepare powder metallurgical gear product.
- Powder metallurgical gear the most according to claim 1, it is characterized in that, described modified tree ash powder is prepared by the following method and forms: by tree ash first with the soak with sulphuric acid 20-25min of 28%-32%, then neutralize with sodium hydroxide solution, wash miscellaneous again with deionized water, mix with NDZ-311 titanate coupling agent again, the 1.2%-1.8% that consumption is tree ash weight of described NDZ-311 titanate coupling agent, add in high speed mixer with Sprayable, discharging after stirring 16-18min, dry, pulverized 500-600 mesh sieve, prepare modified tree ash powder.
- Powder metallurgical gear the most according to claim 1, it is characterised in that described hardening agent is 701 powder hardening agents.
- Powder metallurgical gear the most according to claim 1, it is characterized in that, described cutting agent is in units of weight, it is made up of following raw material: cutting oil 12-14 part, tricresyl phosphate propyl ester 8-10 part, dinonylnaphthalene sulfonic acid calcium 4-6 part, 2,6 ditertiary butyl p cresol 5-9 part, dodecenylsuccinic acid 5-7 part, triethanolamine borate 8-10 part, polyacrylamide 6-10 part, dodecylbenzene sodium sulfonate 7-9 part, benzoic acid 5-8 part, oleamide 3-7 part, tetrasodium ethylenediamine tetraacetate 2-6 part, amino carboxylic acid quasi-chelate compound 1-2 part, Polyethylene Glycol 7-13 part.
- Powder metallurgical gear the most according to claim 1, it is characterized in that, described lubricant, in units of weight, it is made up of following raw material: polyvinyl isobutyl ether 18-38 part, chlorinated paraffin 6-12 part, magnesium oxide particle 4-8 part, zinc stearate 6-19 part, carboxylic acid amide 8-12 part, acetate butyl 12-14 part, boric acid 6-10 part, N-Methyl pyrrolidone 7-10 part, dimethylformamide 6-9 part.
- Powder metallurgical gear the most according to claim 1, it is characterised in that described coupling agent is epoxy silane class coupling agent.
- Powder metallurgical gear the most according to claim 1, it is characterised in that described dispersant is hexenyl bis-stearamides.
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| CN107824778A (en) * | 2017-10-20 | 2018-03-23 | 广西银英生物质能源科技开发股份有限公司 | A kind of powdered metallurgical material for gear and preparation method thereof |
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| CN108559930A (en) * | 2018-04-02 | 2018-09-21 | 张庆 | A kind of iron-base powder metallurgy material and preparation method thereof |
| CN109967746A (en) * | 2019-04-06 | 2019-07-05 | 苏州中鼎冶金有限公司 | A kind of manufacturing method and powder metallurgical gear of powder metallurgical gear |
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