Sand casting: Sand casting si wozãna zi geɖe le valve dɔwɔƒewo hã ate ŋu ama ɖe sand ƒomevi vovovowo abeke xɔdzo, ke ƒuƒu, tsi glass ke kple furan resin no-bake sandle agbalẽblamɔ̃ vovovoawo ƒe nya nu.
(1) Ke dama nye aŋɔsisi ƒe mɔnu si me wozãa bentonite abe nusi blaa nu ene le dɔa me. Eƒe nɔnɔmewoe nye: mehiã be woaƒu ke ƒe aŋɔ si wowɔ vɔ la alo awɔe be wòasesẽ etɔxɛe o, ke ƒe aŋɔa ƒe ŋusẽ le tsidzadza aɖe ŋu, eye mɔɖeɖewo nyo wu le kea ƒe akpa si le eme kple eƒe go ŋu, si sɔ na ke si wotsɔ kɔa nu kple ke si le gegem la tsɔtsɔ ƒu gbe. Mɔ̃a ƒe wɔwɔme ƒe ŋutete le gã, ewɔwɔ ƒe tsatsam le kpuie, eye nusiwo wotsɔ wɔe ƒe asi hã le sue, si sɔ na ɖoɖowɔwɔ ɖe nuwo ƒoƒo ƒu ƒe wɔwɔme ŋu. Eƒe kuxiwoe nye: nusiwo wotsɔ ƒua gbe la te ŋu gblẽa nu abe ʋuʋudediwo, ke siwo le eme, kple ke si léna ɖe nu ŋu ene, eye nusiwo wotsɔ ƒua gbe ƒe nyonyome, vevietɔ eƒe ememe nyonyome, mesɔ gbɔ kura o.
(2) Ke ƒuƒu nye kpɔɖeŋuwɔwɔ ƒe mɔnu si zãa anyi abe nusi blaa nu ene, eye bentonite vi aɖe ate ŋu ana eƒe tsi ƒe ŋusẽ nanyo ɖe edzi. Eƒe nɔnɔmewoe nye: ehiã be woaƒu ke ƒe aŋɔa, ya te ŋu gena ɖe eme nyuie eye ya kakana, mele bɔbɔe be wòahe nusiwo gblẽ abe ke kɔklɔ, ke ƒe ƒoƒo, kple ʋuʋudedi ene vɛ o, eye nusi wotsɔ ƒoe ƒe nyonyome ememetɔ hã nyo vie. Nusiwo gblẽ le eŋue nye: wohiã dɔwɔnu siwo wotsɔ ƒua gbe, eye ewɔwɔ ƒe ɣeyiɣi didi vie.
(3) Sodium silicate sand nye aŋɔwɔwɔ ƒe mɔnu si zãa tsi ƒe ahuhɔ̃e abe nusi blaa nu ene. Eƒe nɔnɔmewoe nye: tsi ƒe ahuhɔ̃e ƒe dɔwɔwɔ nye be wòate ŋu asesẽ le eɖokui si le esi wòdo go CO2 vɔ megbe, eye ateŋu akpɔ viɖe kple viɖe vovovowo le gas sesẽ ƒe kpɔɖeŋuwɔwɔ kple nu vevi wɔwɔ me. Gake nusiwo gblẽ le eŋu abe aŋɔ ƒe gogloƒe ƒe ŋeŋe nyuie o, ke kɔklɔ sesẽ na ke si wotsɔ ƒu gbe, kple ke si wozã la gbugbɔgazã ƒe agbɔsɔsɔ si mede o.
(4) Furan resin no-bake sand molding nye casting process mɔnu si me furan resin nye nusi blaa nu. Le xɔme ƒe dzoxɔxɔ nu la, aŋɔ si wotsɔ wɔa aŋea la fa le atike si le nusi blaa nu ŋu le atike si wotsɔna ƒoa aŋɔe ƒe dɔwɔwɔ te ta. Eƒe nɔnɔmewoe nye: mehiã be woaƒu ke ƒe aŋea o, si wɔnɛ be ewɔwɔ ƒe ɣeyiɣia nɔa kpuie ŋutɔ eye wòɖea ŋusẽ dzi kpɔtɔna. Resin molding sand la ƒoƒo le bɔbɔe vie eye wòte ŋu gbãna nyuie, eye woate ŋu akɔ molding sand si le castings hã ŋu bɔbɔe, castings ƒe didime ƒe nyateƒetoto lolo, eye eƒe goglome nyo, si ate ŋu ana castings ƒe nyonyome nanyo ɖe edzi ŋutɔ. Eƒe kuxiwoe nye: ke ƒuƒu ƒe nyonyome hã sɔ gbɔ, ʋeʋẽ si doa dziku vie le teƒe si wowɔa wo le, eye aŋɔ hã ƒe asi lolo. Furan resin self-hardening sand ƒe tsakatsaka: Anyo wu be woatsɔ sand mixer si yia edzi awɔ resin self-hardening sand, atsɔ ke ƒuƒu, resin, curing agent, kple bubuawo akpe ɖe eŋu le wo nɔewo yome, eye woatsaka wo kabakaba. Tsɔe tsaka eye nàzãe ɣesiaɣi. Alesi wotsɔa nu xoxo vovovowo kpena ɖe eŋu ne wole aŋɔ ƒe ke tsakam la le ale: ke gbãtɔ + atike si daa gbe le ame ŋu (p-toluenesulfonic acid tsi me tsi) – (120-180S) – aŋɔ + silane – (60-90S) – ke (5) Ke ƒomevi si wozãna ɖaa Casting production process: precision casting.
Ɣeyiɣi si woɖoe ɖe amewo: Aug-17-2022
