JP2010131665A - Facing material for casting - Google Patents
Facing material for casting Download PDFInfo
- Publication number
- JP2010131665A JP2010131665A JP2008312311A JP2008312311A JP2010131665A JP 2010131665 A JP2010131665 A JP 2010131665A JP 2008312311 A JP2008312311 A JP 2008312311A JP 2008312311 A JP2008312311 A JP 2008312311A JP 2010131665 A JP2010131665 A JP 2010131665A
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- Prior art keywords
- casting
- resin
- base material
- coating
- mass
- 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.)
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- 238000005266 casting Methods 0.000 title claims abstract description 66
- 239000000463 material Substances 0.000 title claims abstract description 44
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 32
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000000454 talc Substances 0.000 claims abstract description 20
- 229910052623 talc Inorganic materials 0.000 claims abstract description 20
- 239000010445 mica Substances 0.000 claims abstract description 19
- 229910052618 mica group Inorganic materials 0.000 claims abstract description 19
- 239000010439 graphite Substances 0.000 claims abstract description 18
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 18
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims abstract description 10
- 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 10
- -1 chromite Chemical compound 0.000 claims abstract description 10
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims abstract description 8
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 6
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims abstract description 6
- AMWRITDGCCNYAT-UHFFFAOYSA-L hydroxy(oxo)manganese;manganese Chemical compound [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 claims abstract description 6
- 239000000843 powder Substances 0.000 claims abstract description 5
- 239000000395 magnesium oxide Substances 0.000 claims abstract description 4
- 239000004575 stone Substances 0.000 claims abstract description 4
- 229910052845 zircon Inorganic materials 0.000 claims abstract description 4
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052582 BN Inorganic materials 0.000 claims abstract description 3
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 claims abstract description 3
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims abstract description 3
- 239000005909 Kieselgur Substances 0.000 claims abstract description 3
- 229910052581 Si3N4 Inorganic materials 0.000 claims abstract description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 3
- INJRKJPEYSAMPD-UHFFFAOYSA-N aluminum;silicic acid;hydrate Chemical compound O.[Al].[Al].O[Si](O)(O)O INJRKJPEYSAMPD-UHFFFAOYSA-N 0.000 claims abstract description 3
- 229910052849 andalusite Inorganic materials 0.000 claims abstract description 3
- 229910001570 bauxite Inorganic materials 0.000 claims abstract description 3
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 3
- 239000000292 calcium oxide Substances 0.000 claims abstract description 3
- 235000012255 calcium oxide Nutrition 0.000 claims abstract description 3
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 3
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 claims abstract description 3
- 239000005350 fused silica glass Substances 0.000 claims abstract description 3
- 239000011521 glass Substances 0.000 claims abstract description 3
- 239000010443 kyanite Substances 0.000 claims abstract description 3
- 229910052850 kyanite Inorganic materials 0.000 claims abstract description 3
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 claims abstract description 3
- 239000001095 magnesium carbonate Substances 0.000 claims abstract description 3
- 229910000021 magnesium carbonate Inorganic materials 0.000 claims abstract description 3
- 229910052863 mullite Inorganic materials 0.000 claims abstract description 3
- 239000005332 obsidian Substances 0.000 claims abstract description 3
- 239000010450 olivine Substances 0.000 claims abstract description 3
- 229910052609 olivine Inorganic materials 0.000 claims abstract description 3
- 239000010453 quartz Substances 0.000 claims abstract description 3
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims abstract description 3
- 229910010271 silicon carbide Inorganic materials 0.000 claims abstract description 3
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 3
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims abstract description 3
- 239000011029 spinel Substances 0.000 claims abstract description 3
- 229910052596 spinel Inorganic materials 0.000 claims abstract description 3
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims abstract description 3
- 239000010455 vermiculite Substances 0.000 claims abstract description 3
- 229910052902 vermiculite Inorganic materials 0.000 claims abstract description 3
- 235000019354 vermiculite Nutrition 0.000 claims abstract description 3
- 239000011248 coating agent Substances 0.000 claims description 65
- 238000000576 coating method Methods 0.000 claims description 44
- 239000011347 resin Substances 0.000 claims description 15
- 229920005989 resin Polymers 0.000 claims description 15
- 229910052751 metal Inorganic materials 0.000 claims description 14
- 239000002184 metal Substances 0.000 claims description 14
- 239000000758 substrate Substances 0.000 claims description 12
- 239000003795 chemical substances by application Substances 0.000 claims description 10
- 239000004927 clay Substances 0.000 claims description 10
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 6
- 239000011230 binding agent Substances 0.000 claims description 6
- 235000019353 potassium silicate Nutrition 0.000 claims description 5
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 claims description 4
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 claims description 4
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 4
- 229910000519 Ferrosilicon Inorganic materials 0.000 claims description 4
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 claims description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 claims description 4
- 239000010703 silicon Substances 0.000 claims description 4
- 229910052710 silicon Inorganic materials 0.000 claims description 4
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 claims description 4
- 239000000654 additive Substances 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 3
- 239000002904 solvent Substances 0.000 claims description 3
- 229920000178 Acrylic resin Polymers 0.000 claims description 2
- 239000004925 Acrylic resin Substances 0.000 claims description 2
- 239000004859 Copal Substances 0.000 claims description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 claims description 2
- 239000004375 Dextrin Substances 0.000 claims description 2
- 229920001353 Dextrin Polymers 0.000 claims description 2
- 241000782205 Guibourtia conjugata Species 0.000 claims description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 2
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 2
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 2
- 239000004111 Potassium silicate Substances 0.000 claims description 2
- 239000004113 Sepiolite Substances 0.000 claims description 2
- 229920001800 Shellac Polymers 0.000 claims description 2
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 2
- 229920002472 Starch Polymers 0.000 claims description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 2
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 claims description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 2
- 239000002518 antifoaming agent Substances 0.000 claims description 2
- 229960000892 attapulgite Drugs 0.000 claims description 2
- 239000000440 bentonite Substances 0.000 claims description 2
- 229910000278 bentonite Inorganic materials 0.000 claims description 2
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims description 2
- 229910052797 bismuth Inorganic materials 0.000 claims description 2
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 claims description 2
- 229910052570 clay Inorganic materials 0.000 claims description 2
- 239000010941 cobalt Substances 0.000 claims description 2
- 229910017052 cobalt Inorganic materials 0.000 claims description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 239000010949 copper Substances 0.000 claims description 2
- 235000019425 dextrin Nutrition 0.000 claims description 2
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 claims description 2
- 239000002270 dispersing agent Substances 0.000 claims description 2
- 239000000975 dye Substances 0.000 claims description 2
- 239000000839 emulsion Substances 0.000 claims description 2
- 239000003822 epoxy resin Substances 0.000 claims description 2
- 150000002148 esters Chemical class 0.000 claims description 2
- 239000002054 inoculum Substances 0.000 claims description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 2
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 2
- 229910052622 kaolinite Inorganic materials 0.000 claims description 2
- 150000002576 ketones Chemical class 0.000 claims description 2
- PAZHGORSDKKUPI-UHFFFAOYSA-N lithium metasilicate Chemical compound [Li+].[Li+].[O-][Si]([O-])=O PAZHGORSDKKUPI-UHFFFAOYSA-N 0.000 claims description 2
- 229910052912 lithium silicate Inorganic materials 0.000 claims description 2
- 239000011777 magnesium Substances 0.000 claims description 2
- 229910052749 magnesium Inorganic materials 0.000 claims description 2
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims description 2
- 239000013521 mastic Substances 0.000 claims description 2
- 239000011707 mineral Substances 0.000 claims description 2
- 235000010755 mineral Nutrition 0.000 claims description 2
- 235000013379 molasses Nutrition 0.000 claims description 2
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 claims description 2
- 229910052625 palygorskite Inorganic materials 0.000 claims description 2
- 239000010451 perlite Substances 0.000 claims description 2
- 235000019362 perlite Nutrition 0.000 claims description 2
- 239000005011 phenolic resin Substances 0.000 claims description 2
- 239000000049 pigment Substances 0.000 claims description 2
- 229920000647 polyepoxide Polymers 0.000 claims description 2
- 229920001225 polyester resin Polymers 0.000 claims description 2
- 239000004645 polyester resin Substances 0.000 claims description 2
- 229920000570 polyether Polymers 0.000 claims description 2
- 229910052573 porcelain Inorganic materials 0.000 claims description 2
- NNHHDJVEYQHLHG-UHFFFAOYSA-N potassium silicate Chemical compound [K+].[K+].[O-][Si]([O-])=O NNHHDJVEYQHLHG-UHFFFAOYSA-N 0.000 claims description 2
- 229910052913 potassium silicate Inorganic materials 0.000 claims description 2
- 239000003755 preservative agent Substances 0.000 claims description 2
- 229910052624 sepiolite Inorganic materials 0.000 claims description 2
- 235000019355 sepiolite Nutrition 0.000 claims description 2
- 239000004208 shellac Substances 0.000 claims description 2
- ZLGIYFNHBLSMPS-ATJNOEHPSA-N shellac Chemical compound OCCCCCC(O)C(O)CCCCCCCC(O)=O.C1C23[C@H](C(O)=O)CCC2[C@](C)(CO)[C@@H]1C(C(O)=O)=C[C@@H]3O ZLGIYFNHBLSMPS-ATJNOEHPSA-N 0.000 claims description 2
- 229940113147 shellac Drugs 0.000 claims description 2
- 235000013874 shellac Nutrition 0.000 claims description 2
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 claims description 2
- 229910021647 smectite Inorganic materials 0.000 claims description 2
- 239000001488 sodium phosphate Substances 0.000 claims description 2
- 229910000162 sodium phosphate Inorganic materials 0.000 claims description 2
- 239000008107 starch Substances 0.000 claims description 2
- 235000019698 starch Nutrition 0.000 claims description 2
- 235000000346 sugar Nutrition 0.000 claims description 2
- 239000011593 sulfur Substances 0.000 claims description 2
- 229910052717 sulfur Inorganic materials 0.000 claims description 2
- 239000004094 surface-active agent Substances 0.000 claims description 2
- 229920003051 synthetic elastomer Polymers 0.000 claims description 2
- 239000005061 synthetic rubber Substances 0.000 claims description 2
- 229910052714 tellurium Inorganic materials 0.000 claims description 2
- PORWMNRCUJJQNO-UHFFFAOYSA-N tellurium atom Chemical compound [Te] PORWMNRCUJJQNO-UHFFFAOYSA-N 0.000 claims description 2
- 229920002803 thermoplastic polyurethane Polymers 0.000 claims description 2
- 239000002562 thickening agent Substances 0.000 claims description 2
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 239000008096 xylene Substances 0.000 claims description 2
- 239000011701 zinc Substances 0.000 claims description 2
- 229910052725 zinc Inorganic materials 0.000 claims description 2
- 240000000972 Agathis dammara Species 0.000 claims 1
- 229920002871 Dammar gum Polymers 0.000 claims 1
- 229910019142 PO4 Inorganic materials 0.000 claims 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 claims 1
- 150000001298 alcohols Chemical class 0.000 claims 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 claims 1
- 239000011976 maleic acid Substances 0.000 claims 1
- 239000010452 phosphate Substances 0.000 claims 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 claims 1
- 239000004576 sand Substances 0.000 abstract description 17
- 229910001562 pearlite Inorganic materials 0.000 abstract 1
- 239000000037 vitreous enamel Substances 0.000 abstract 1
- 239000002585 base Substances 0.000 description 36
- 229910001018 Cast iron Inorganic materials 0.000 description 6
- 239000000919 ceramic Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 229910001208 Crucible steel Inorganic materials 0.000 description 4
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- YLQBMQCUIZJEEH-UHFFFAOYSA-N Furan Chemical compound C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 229910001141 Ductile iron Inorganic materials 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 241001251094 Formica Species 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
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- 239000003513 alkali Substances 0.000 description 1
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- 239000000956 alloy Substances 0.000 description 1
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- 239000012298 atmosphere Substances 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000007849 furan resin Substances 0.000 description 1
- 238000005058 metal casting Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
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- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Landscapes
- Mold Materials And Core Materials (AREA)
Abstract
Description
本発明は、鋳造用砂型など鋳型の表面に塗布される鋳造用塗型剤に関し、より具体的には、その塗型基材（耐火性骨材）における黒鉛の含有量を少なく抑制するようにした鋳造用塗型剤に関するものである。 The present invention relates to a casting coating agent applied to the surface of a mold such as a casting sand mold, and more specifically, to suppress the content of graphite in the coating base material (fireproof aggregate) to a low level. It relates to a casting mold agent.
従来より、鋳型の表面には塗型剤が塗布されるが、鋳鉄により鋳造をする場合、その鋳造後における鋳型ばらし時に、鋳物から砂や塗型剤を容易に剥離させることができるよう上記塗型剤の塗型基材として、一般に、黒鉛が２０質量％以上含有されている。 Conventionally, a coating agent is applied to the surface of the mold, but when casting with cast iron, the above coating is applied so that sand and coating agent can be easily peeled off from the casting when the mold is separated after casting. In general, graphite is contained in an amount of 20% by mass or more as a mold base material for the mold.
また、上記塗型剤には、従来、下記特許文献１に示されるものがあり、この公報のものによれば、上記塗型剤は、その塗型基材として、黒鉛を４５〜７５質量％含有することとされている。
ところで、近年、鋳造作業においても、作業環境の改善が勧められている。そして、その一環として、より色彩の明るい塗型剤を用いるために、塗型基材における黒鉛の含有量を０〜１０質量％程度に少なく抑制することが提案されている。 By the way, in recent years, improvement of the working environment is also recommended in casting work. As part of this, in order to use a brighter coating agent, it has been proposed to suppress the graphite content in the coating substrate to about 0 to 10% by mass.
しかし、上記したように黒鉛の含有量を単に少なく抑制すると、鋳造後における鋳型ばらし時に、鋳物からの砂の剥離作業が容易にはし難くなるおそれがある。また、鋳物からの塗型基材の剥離作業として、この塗型基材の表面に対しショットブラスト処理をしても、この鋳物の表面には、塗型剤が薄くではあるが残留するおそれもある。 However, if the graphite content is simply suppressed as described above, it is difficult to easily remove the sand from the casting when the mold is released after casting. In addition, even if the surface of the mold base is subjected to shot blasting as a peeling work of the mold base from the casting, the casting agent may remain thin on the surface of the cast. is there.
本発明は、上記のような事情に注目してなされたもので、本発明の目的は、鋳造作業の環境改善の観点から塗型基材における黒鉛の含有量を少なく抑制したとしても、鋳造後における鋳物からの砂や塗型基材の剥離作業が容易にできるようにする鋳造用塗型剤を提供することである。 The present invention has been made by paying attention to the above circumstances, and the object of the present invention is to reduce the graphite content in the coating base material from the viewpoint of improving the environment of the casting operation. It is an object to provide a casting mold agent that makes it possible to easily remove sand and a coating substrate from a casting.
請求項１の発明は、塗型基材が、雲母を２〜２０質量％、タルクを３〜３０質量％含有することを特徴とする鋳造用塗型剤である。 The invention of claim 1 is a casting coating agent characterized in that the coating base material contains 2 to 20% by mass of mica and 3 to 30% by mass of talc.
請求項２の発明は、塗型基材として、シャモット、アルミナから選択した１種以上を含有することを特徴とする請求項１に記載の鋳造用塗型剤である。 The invention according to claim 2 is the casting coating agent according to claim 1, wherein the coating base material contains at least one selected from chamotte and alumina.
なお、この項において、上記各用語に付記した符号や図面番号は、本発明の技術的範囲を後述の「実施例」の項や図面の内容に限定解釈するものではない。 In addition, in this section, the reference numerals and drawing numbers appended to the above terms are not intended to limit the technical scope of the present invention to the “Example” section and the contents of the drawings described later.
本発明による効果は、次の如くである。 The effects of the present invention are as follows.
請求項１の発明は、塗型基材が、雲母を２〜２０質量％、タルクを３〜３０質量％含有している。 In the invention of claim 1, the coating base material contains 2 to 20% by mass of mica and 3 to 30% by mass of talc.
このため、上記塗型基材を塗布した鋳型を用いて鋳造をした場合、上記塗型基材においてそれぞれ鱗片状である雲母とタルクとが金属溶湯の熱により共に容易に焼結して互いに結合し、フィルム状セラミック体が形成される。そして、このセラミック体は鋳造される鋳物との熱膨張差により、上記フィルム形状をある程度保持しつつ砂と共に上記鋳物の表面から容易に剥離する。 For this reason, when casting is performed using a mold coated with the above-mentioned coating substrate, mica and talc, which are each scaly in the above-mentioned coating substrate, are easily sintered together by the heat of the molten metal and bonded together. Thus, a film-like ceramic body is formed. The ceramic body easily peels from the surface of the casting together with sand while maintaining the shape of the film to some extent due to a difference in thermal expansion from the casting to be cast.
よって、鋳造作業の環境改善の観点から、上記したように塗型剤の塗型基材における黒鉛の含有量を少なく抑制したとしても、鋳造後における鋳物からの砂や塗型基材の剥離作業は容易にできる。 Therefore, from the viewpoint of improving the environment of the casting operation, even if the content of graphite in the coating base material of the coating agent is suppressed as described above, the sand and coating base material are removed from the casting after casting. Can easily.
請求項２の発明は、塗型基材として、シャモット、アルミナから選択した１種以上を含有している。 The invention of claim 2 contains at least one selected from chamotte and alumina as the coating substrate.
このため、鋳造作業の環境改善の観点から、上記したように塗型剤の塗型基材における黒鉛の含有量を少なく抑制したとしても、前記雲母を２〜２０質量％、タルクを３〜３０質量％含有させたことに加えて、上記のようにシャモットやアルミナを含有させたことにより、上記フィルム形状セラミック体がより確実に形成される。よって、鋳造後における鋳物からの砂や塗型基材の剥離作業が更に容易にできる。 For this reason, from the viewpoint of improving the environment of casting work, even if the content of graphite in the coating base material of the coating agent is suppressed as described above, the mica content is 2 to 20% by mass and the talc content is 3 to 30. In addition to the inclusion by mass%, the film-shaped ceramic body is more reliably formed by containing chamotte or alumina as described above. Therefore, the peeling operation | work of the sand from the casting after casting and a coating type base material can be made still easier.
本発明の鋳造用塗型剤に関し、鋳造作業の環境改善の観点から塗型基材における黒鉛の含有量を少なく抑制したとしても、鋳造後における鋳物からの砂や塗型基材の剥離作業が容易にできるようにする鋳造用塗型剤を提供する、という目的を実現するため、本発明を実施するための最良の形態は、次の如くである。 With regard to the casting mold agent of the present invention, even if the content of graphite in the coating base material is suppressed from the viewpoint of improving the environment of the casting work, the peeling work of sand and the coating base material from the casting after casting is performed. The best mode for carrying out the present invention is as follows in order to realize the object of providing a casting coating agent that can be easily made.
金属の鋳造に用いられる鋳型は、砂型などの鋳型の表面に塗型剤を塗布することにより形成される。 A mold used for metal casting is formed by applying a coating agent to the surface of a mold such as a sand mold.
上記金属は、鋳鉄、ダクタイル鋳鉄、鋳鋼等の各種鉄系合金はもちろん、アルミ合金、銅合金等の非鉄系合金溶湯などである。 The metal is not only various iron-based alloys such as cast iron, ductile cast iron and cast steel, but also non-ferrous alloy molten metal such as aluminum alloy and copper alloy.
上記鋳型は、フラン、アルカリフェノール等の有機自硬性鋳型はもちろん、ダイカル等の水ガラスを用いた無機自硬性鋳型、ガス型、生型、乾燥型、シェルモールド、コールドボックス、ホットボックス及びフルモールド法、消失模型鋳造法、Ｖプロセス法、ＶＲＨ法等を用いた各種造型法により形成されるものである。 The above molds are organic self-hardening molds such as furan and alkali phenol, as well as inorganic self-hardening molds using water glass such as dicals, gas molds, green molds, dry molds, shell molds, cold boxes, hot boxes and full molds. It is formed by various molding methods using a method, a disappearance model casting method, a V process method, a VRH method and the like.
塗型剤は、耐火性骨材である塗型基材、無機粘結剤、有機粘結剤、添加剤、および溶剤を含有する。 The coating agent contains a coating base material that is a fire-resistant aggregate, an inorganic binder, an organic binder, an additive, and a solvent.
上記塗型基材は、雲母を２〜２０質量％、タルクを３〜３０質量％含有している。 The coating base material contains 2 to 20% by mass of mica and 3 to 30% by mass of talc.
雲母とタルクは、どちらも鱗片状であるため、鋳造時の金属溶湯の温度により焼結し易いものであり、かつ、雲母の方がより鱗片状傾向が強いが、タルクの方がより焼結傾向が強い。このため、雲母よりもタルクの含有量をより多くすることが好ましい。そして、このようにすると、上記塗型基材を塗布した鋳型を用いて鋳造をした場合、この鋳造時の金属溶湯の熱により上記雲母とタルクとは共に容易に焼結して互いに結合し、フィルム状セラミック体が形成される。そして、このセラミック体は鋳造される鋳物との熱膨張差により、上記フィルム形状をある程度保持しつつ砂と共に上記鋳物の表面から剥離する。 Mica and talc are both scaly, so it is easier to sinter due to the temperature of the molten metal during casting, and mica is more flaky, but talc is more sintered. The tendency is strong. For this reason, it is preferable to increase the content of talc more than mica. And in this way, when casting using a mold coated with the coating substrate, the mica and talc are easily sintered and bonded together by the heat of the molten metal at the time of casting, A film-like ceramic body is formed. And this ceramic body peels from the surface of the said casting with sand, maintaining the said film shape to some extent by the thermal expansion difference with the casting cast.
よって、鋳造後における鋳物からの砂や塗型基材の剥離作業が容易にできることとなる。 Therefore, the peeling operation | work of the sand from the casting after casting and a coating type base material can be performed easily.
上記塗型剤を鋳鉄の鋳造に適用する場合、その塗型基材として、上記雲母及びタルクに加え、シャモットを含有させることが好ましい。このシャモットは、「各種粘土を焼成して砕いたもの」の総称で、狭義には化学組成が概ねＳｉＯ２：５０〜７０質量％、Ａｌ２Ｏ３：３０〜５０質量％のものを指すが、広義にはＡｌ２Ｏ３：５０質量％を越えるものも高級シャモット・デンスシャモットと称して含める場合が多い。その中でも、焼結性の良好なＡｌ２Ｏ３：３０〜５０質量％のシャモットが特に好ましい。 When the coating agent is applied to cast iron casting, it is preferable to contain chamotte as the coating base material in addition to the mica and talc. This chamotte is a general term for “calcined and crushed various clays”, and in a narrow sense, it has a chemical composition of SiO 2 : 50 to 70% by mass and Al 2 O 3 : 30 to 50% by mass. In a broad sense, a material exceeding Al 2 O 3 : 50% by mass is often referred to as a high-grade chamotte or dens chamotte. Among them, particularly preferred is a chamotte of Al 2 O 3 : 30-30% by mass with good sinterability.
そして、焼結し易いシャモットを塗型基材に含有させれば、上記フィルム形状セラミック体がより確実に形成される。よって、鋳造後における鋳物からの砂や塗型基材の剥離作業が更に容易にできる。 And if the coating base material contains chamotte which is easy to sinter, the film-shaped ceramic body is more reliably formed. Therefore, the peeling operation | work of the sand from the casting after casting and a coating type base material can be made still easier.
なお、上記したように、シャモットを塗型基材に含有させる場合には、塗型基材における雲母とタルクの含有量を少なく抑制するよう雲母を２〜１６質量％、タルクを３〜２４質量％含有させることが、より好ましい。つまり、鋳造時に塗型基材を適度な焼結状態にすれば、鋳造後における鋳物からの砂や塗型基材の剥離作業が容易にできる。しかし、焼結が過度になると、鋳物の表面への部分的な砂や塗型基材の焼着が生じて好ましくない。そこで、上記したように、塗型基材にシャモットを含有させる場合には、雲母とタルクの含有量を少なく抑制するようにしたのである。 As described above, when chamotte is contained in the coating base material, 2-16% by mass of mica and 3-24% by mass of talc are used so as to suppress the contents of mica and talc in the coating base material. % Content is more preferable. That is, if the coated base material is brought into an appropriate sintered state at the time of casting, it is possible to easily remove the sand and the coated base material from the casting after casting. However, excessive sintering is not preferable because partial sanding of the casting surface or coating of the mold base material occurs. Therefore, as described above, when chamotte is contained in the coating base material, the contents of mica and talc are reduced.
また、上記溶湯温度が高いほど、焼結がし易くなって、上記剥離作業がし易くなるが、鋳物への焼着も発生しやすくなるため、溶湯温度にも十分に留意することが好ましい。 Also, the higher the molten metal temperature, the easier it is to sinter and the more easy the peeling work is, but the easier it is to seize the casting, so it is preferable to pay sufficient attention to the molten metal temperature.
上記塗型剤を鋳鋼の鋳造に適用する場合、その塗型基材として、上記雲母及びタルクに加え、耐火度の高いジルコン、アルミナ、マグネシアおよびクロマイトを含有させることが適しているが、焼結し易いアルミナが特に好ましい。クロマイトは焼結性が高いが、配合量が多いと鋳鋼の鋳肌が面荒れするため、他の基材と混合することが好ましい。 When the coating agent is applied to casting of cast steel, it is suitable that the coating base material contains zircon, alumina, magnesia and chromite with high fire resistance in addition to the mica and talc, but sintering Alumina that is easy to do is particularly preferred. Although chromite has high sinterability, it is preferable to mix with other base materials because the casting surface of cast steel becomes rough when the blending amount is large.
鋳鋼の場合、溶湯の注湯温度が高いため、雲母は２〜８質量％、タルクは３〜１２質量％がより好ましい。 In the case of cast steel, since the pouring temperature of the molten metal is high, 2-8 mass% for mica and 3-12 mass% for talc are more preferable.
また、上記塗型基材として、シリカ、石英、溶融シリカ、ジルコン、ジルコニア、マグネシア、カルシア、クロマイト、ムライト、アンダルサイト、オリビン、スピネル、陶石、黒曜石、パーライト、ガラス粉末、琺瑯フリット、珪藻土、蝋石、バーミキュライト、膨張頁岩、ばん土頁岩、黒鉛、炭素、ギルソナイト、カイヤナイト、ボーキサイト、酸化チタン、酸化鉄、酸化マンガン、炭酸マグネシウム、炭酸カルシウム、炭化珪素、窒化珪素、窒化硼素から選択した１種以上を含有させることができる。 Further, as the above-mentioned coating base material, silica, quartz, fused silica, zircon, zirconia, magnesia, calcia, chromite, mullite, andalusite, olivine, spinel, porcelain stone, obsidian, perlite, glass powder, straw frit, diatomaceous earth, One selected from wax, vermiculite, expanded shale, porphyry shale, graphite, carbon, gilsonite, kyanite, bauxite, titanium oxide, iron oxide, manganese oxide, magnesium carbonate, calcium carbonate, silicon carbide, silicon nitride, boron nitride The above can be contained.
上記塗型基材に黒鉛を含有させることは、鋳造時に溶湯の周りに還元性雰囲気を創成し、金属溶湯の酸化を防止する上で、塗型基材に１〜１０質量％含有させることが好ましい。 Including graphite in the coating base material creates a reducing atmosphere around the molten metal at the time of casting, and prevents the metal molten metal from being oxidized. preferable.
しかし、黒鉛を含有させることは、前記したように環境改善を低下させたり、雲母とタルクとが焼結する際の阻害要因となったりするおそれがあることから、黒鉛の含有量は１〜５質量％であることが好ましい。また、金属溶湯の酸化を考慮しないで足りる場合には、黒鉛を１質量％未満や０質量％にすることもできる。 However, the inclusion of graphite may reduce the environmental improvement as described above, or may become an impediment factor when mica and talc are sintered. It is preferable that it is mass%. Moreover, when it is not necessary to consider the oxidation of the molten metal, the graphite can be made less than 1% by mass or 0% by mass.
上記無機粘結剤として、モンモリロナイト系粘土、カオリナイト系粘土、セピオライト系粘土、アタパルジャイト、スメクタイト、有機ベントナイト、木節粘土、蛙目粘土、耐火粘土、水ガラス、珪酸カリウム、珪酸リチウム、重リン酸アルミニウム、リン酸ナトリウム、シリカゾル、アルミナゾル、ジルコニアゾル、シランカップリング剤から選択した１種以上を含有させることができる。 As the above inorganic binder, montmorillonite clay, kaolinite clay, sepiolite clay, attapulgite, smectite, organic bentonite, kibushi clay, glazed clay, refractory clay, water glass, potassium silicate, lithium silicate, heavy phosphoric acid One or more selected from aluminum, sodium phosphate, silica sol, alumina sol, zirconia sol, and silane coupling agent can be contained.
上記有機粘結剤として、フェノール樹脂、ポリエステル樹脂、ポリエーテル樹脂、ウレタン樹脂、アクリル樹脂、酢酸ビニル樹脂、シリコン樹脂、ブタジエン系合成ゴム、エポキシ樹脂及びそれらのエマルジョン、フッ素樹脂、ロジン、ロジン変性樹脂、マレイン酸樹脂、ダンマル樹脂、マスチック樹脂、コーパル、セラック、デンプン、デキストリン、糖蜜、糖から選択した１種以上を含有させることができる。 As the above organic binder, phenol resin, polyester resin, polyether resin, urethane resin, acrylic resin, vinyl acetate resin, silicon resin, butadiene synthetic rubber, epoxy resin and their emulsion, fluorine resin, rosin, rosin modified resin , One or more selected from maleic resin, danmal resin, mastic resin, copal, shellac, starch, dextrin, molasses, and sugar.
上記添加剤として、シリコン、テルル、ビスマス、アルミ、マンガン、コバルト、銅、亜鉛、鉄等の金属粉末、フェロシリコン等の接種剤、フェロシリコンマグネシウム等の黒鉛球状化剤、硫黄、耐火基材の湿潤剤、分散剤、鋳型浸透剤、消泡剤等の界面活性剤、増粘剤、防腐剤、顔料、染料から選択した１種以上を含有させることができる。 As the above additives, metal powders such as silicon, tellurium, bismuth, aluminum, manganese, cobalt, copper, zinc and iron, inoculants such as ferrosilicon, graphite spheroidizing agents such as ferrosilicon magnesium, sulfur, refractory base materials One or more selected from surfactants such as wetting agents, dispersants, mold penetrants, antifoaming agents, thickeners, preservatives, pigments, and dyes can be contained.
上記溶剤として、メタノール、エタノール、プロピルアルコール、イソプロピルアルコール等のアルコール、トルエン、キシレン、ノルマルヘキサン、シクロヘキサン、ケトン、エステル、エーテル、ミネラルスピリット、水から選択した１種以上を含有させることができる。 As said solvent, 1 or more types selected from alcohol, such as methanol, ethanol, propyl alcohol, and isopropyl alcohol, toluene, xylene, normal hexane, a cyclohexane, a ketone, ester, ether, a mineral spirit, and water can be contained.
上記「表１」の実験１〜７で示すように、塗型剤の配合を定めた。「表１」中、塗型基材の各数値は質量％であり、他成分の数値は、上記塗型基材を１００質量部とした場合の質量部の値である。 As shown in Experiments 1 to 7 in Table 1 above, the formulation of the coating agent was determined. In “Table 1”, each numerical value of the coating base material is mass%, and the numerical values of the other components are values of parts by mass when the coating base material is 100 parts by mass.
また、フラン樹脂を混合して形成した砂型の表面に上記塗型剤を塗布して鋳型を形成した。そして、鋳鉄（鋳込質量１０００ｋｇ）により、一般産業用機械部品を鋳造する場合に上記鋳型を適用した。鋳鉄溶湯の注湯温度は１３８０℃と１４５０℃の２条件である。 Further, the above-mentioned coating agent was applied to the surface of a sand mold formed by mixing a furan resin to form a mold. And when casting a general industrial machine part with cast iron (casting mass 1000kg), the said casting_mold | template was applied. The casting temperature of the cast iron melt is two conditions of 1380 ° C. and 1450 ° C.
「表１」の実験結果中、「塗型離れ」とは、鋳造後における鋳物からの砂や塗型基材の剥離の難易度を示し、「耐焼着性」とは、鋳物の表面に砂や塗型基材が焼着し難い程度を示している。また、上記実験結果中、◎は極めて良好、○は良好、△はやや良好、×は不良、を示している。 In the experimental results of “Table 1”, “Coating separation” means the difficulty of peeling the sand and the coating base material from the casting after casting, and “seizure resistance” means sand on the surface of the casting. And the degree to which the coated substrate is difficult to be baked. In the above experimental results, ◎ indicates extremely good, ○ indicates good, Δ indicates slightly good, and X indicates poor.
「表１」の実験結果によれば、実験２〜６のように、塗型基材として雲母を２〜２０質量％、タルクを３〜３０質量％、シャモットを５０〜９５質量部含有させれば、「塗型離れ」と「耐焼着性」とが向上し、良い結果が得られることがわかる。また、特に、鋳鉄の注湯温度を１３８０℃にすれば、より良い結果が得られることがわかる。 According to the experimental results of “Table 1”, as in Experiments 2-6, 2-20% by mass of mica, 3-30% by mass of talc, and 50-95 parts by mass of chamotte can be contained as a coating substrate. In other words, it can be seen that “separation from coating” and “seizure resistance” are improved, and good results are obtained. In particular, it can be seen that better results can be obtained if the pouring temperature of cast iron is 1380 ° C.
上記「表２」についての一般的な説明は、前記「表１」についてのものと同様である。 The general description of “Table 2” is the same as that of “Table 1”.
「表２」の実験結果によれば、実験２〜４のように、塗型基材として雲母を２〜８質量％、タルクを３〜１２質量％、アルミナを８０〜９５質量部含有させれば、良い結果が得られることがわかる。また、特に、上記塗型基材によれば、「塗型離れ」について、より良い結果が得られることがわかる。 According to the experimental results of “Table 2”, as in Experiments 2 to 4, the coating base material contains 2 to 8% by mass of mica, 3 to 12% by mass of talc, and 80 to 95 parts by mass of alumina. It can be seen that good results can be obtained. In particular, according to the coating base material, it can be seen that better results can be obtained with respect to the “coating separation”.
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