Mabaka a mashome a mabeli a metso e supileng a ho khetha Lostfoamtechnology ho Hlahisa Castings
TLHOKOMELISO
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Hlobo ea tšepe e ka sebelisoa ka makhetlo a fetang likete tse 100, e leng ho fokotsa litšenyehelo tsa ho boloka.
Ho kopanya ho kopanya, lebokose le le leng le nang le likotoana tse ngata, le ntlafatsa tlhahiso ea ts'ebetso le katleho ea tlhahiso ea li-castings.
Sistimi ea ts'ebetso ea lehlabathe e ile ea nolofalloa, lehlabathe le bopang le ka sebelisoa hape ka botlalo.
Tekanyo e phahameng ea boiketsetso, ho fokotsa mosebetsi oa matsoho
Ho fokotsa tšilafalo, ho ntlafatsa tikoloho ea mosebetsi, ho fokotsa matla a basebetsi, le ho fokotsa litšenyehelo tsa matsete bakeng sa meputso ea basebetsi.
Ho bonolo ho lemoha tlhahiso ea mochini oa "auto-assembly line" ka mokhoa o bonolo le li-lloy tse fapaneng, libopeho, boholo ba li-castings li ka hlahisoa moleng oa tlhahiso.
Moralo oa semela o ka nolofatsoa ka matsete a lokisang a fokotsoang ka 30-40%, sebaka se fatše le sebaka se koahetsoeng ke 30-50%, tšebeliso ea matla ka 10-20%, litšenyehelo tsa tlhahiso li fokotsehile.
TŠEBELETSO TŠOANE
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Li-castings li nepahetse ka litšoaneleho tsa boholo bo nepahetseng le sebōpeho, ho ikatisa hantle.
Li-castings li bentšitsoe haholo ka holim'a metsi 'me ho thata ho fihla ho Ra3.2-12.5 u m.
Ha ho na mapheoana le masela holim'a li-castings, tse etsang hore mojaro oa mosebetsi o fokotsehe ka halofo.
Kabelo e kholo ke 1.5-2mm, e fokotsa boima ba ho lahla.
Litsenyehelo tsa machining li fokotsehile haholo, ha li bapisoa le mekhoa ea khale ea ho lahla lehlabathe, matla a ho sebetsa ka mochini a ka fokotsoa ka 40-50%.
Ho se kopane le ho tsamaisa hlobo ho nolofalitse haholo ts'ebetso ea ho bōptjoa, ho felisa mefokolo ea ho lahlela le lihlahisoa tsa litšila tse bakoang ke ho bokelloa ha hlobo le ho tsamaisoa.
TS'EBETSO MORAO
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Theknoloji ea ho lahlela foam e lahlehileng e sebelisoa haholo ho hlahiseng litšepe, li-castings tsa tšepe. li-castings tsa koporo le li-castings tsa aluminium.
thekenoloji e lahlehileng ea foam castng ha se onty bakeng sa ho etsa geomelry e bonolo, empa hape le bakeng sa mmult-part, multl core casting ea compley geometny.
Likarolo tsa mantlha le tsa mantlha tsa aking li tsamaisoa ka seketsoana, tse felisang litšila le lihlahisoa tsa litšila.
Moqapi o fetoha le maemo, 'me sebōpeho sa likarolo ha se na moeli ke mokhoa oa setso oa ho lahla, o eketsang tokoloho e lekaneng kapa moralo oa sebopeho sa li-castings le ho lokolla baqapi ba mechine. Ba ka rala sebopeho se setle ka ho fetisisa sa ho lahla ho latela ts'ebetso ea ts'ebeletso ea likarolo. 'me e ka kopanya li-castings tse rarahaneng ka har'a hlobo ea toam plestic.
Ho utloahala ho bōpehileng joaloka gating le rser ho ka lula sebakeng sa mohopolo ntle le ho hatelloa ke lintlha tsa setso joalo ka ho arohana le ho nka hlobo. ho fokotsa bofokoli ba mala.
Ho amohela sebopeho se omeletseng sa lehlabathe ntle le se tlamellang, mongobo, le litlatsetso life kapa life, se felisa mefokolo e fapaneng ea ho lahlela le litšila tse bakoang ke mongobo, li-additives le li-binders.
Easy sand shekeout fokotsa haholo mosebetsi loed le matla a mosebetsi.
Moralo oa Patterm o ka hlakoloa, o tlosa bofokoli ba cisting le lihlahisoa tse senyehileng tse bakoang ke thepa ea ho lahlela, sekhahla sa shrinkage le likhohlano tsa likhohlano.
Khatello e mpe e ts'elang e thusa ho hatakela le ho honyela ha tšepe e metsi, 'me e ntlafatsa ho teteana ha sebopeho sa ho lahla.
Theknoloji ea ho lahlela foam e lahlehileng e ka lemoha ho tšolloa ha micro-viberation. e ntlafatsang sebopeho sa formaian o metlographic ka litlhophiso tse ikhethang le boleng ba ka hare ba li-castings.
Ho lahla ho rarahaneng ho bonolo ho ka hlokomelang tlhahiso ea likarolo tse fapaneng le li-castings tse fapaneng tsa thepa.
Mokhoa oa ho kenya li-inlay o bonolo. re ka beha boloko ba tšepe ea tšepe esale pele.
LAHLEHILE MOKHOA OA HO LAHLA LEFULU
Molao-motheo oa tlhahiso ea LFC, Pele ho tsohle, mefuta e tšoeu ea foam e entsoe ho latela litlhoko tsa moralo oa sehlahisoa. ea bobeli, kamora ho qoelisoa ka ho roala le ho omisa, mehlala e kentsoe ka har'a mabokose a lehlabathe a omeletseng, lehlabathe ho etsa likarolo tse tharo. ho bōptjoa ho tiileng le mokelikeli o qhibilihisitsoeng o tšolohang tlas'a boemo ba vacuum, Ebe mefuta e felile ka lebaka la khase le mokelikeli o qhibilihisitsoeng o nkeloe sebaka, Kahoo, ho hlahisoa li-castings tse tšoanelehang.
Sebaka se tšoeu sa LFC se sebelisetsoa ho etsa mefuta e mesoeu ea foam ka ho phunya pele, ho butsoa, ho bopa, ho itšeha le ho tlama Lisebelisoa tse tala li kenyelletsa EPS, STMMA, EPMMA le lisebelisoa tse ling tse atolositsoeng tsa foam.
Nka lifaha tsa EPS tse sebelisoang ka tloaelo joalo ka mohlala, lifaha tsa EPS li sebelisetsoa ho etsa litšepe tse se nang ferrous, tšepe e bohlooho le tšepe e akaretsang, litšobotsi tsa lifaha tsa EPS: semitransparent, sekhahla sa preforming: makhetlo a 40 ~ 60, bophara ba lifaha: 0.18 ho isa ho 0.80 limilimithara, 6 boholo bo fapaneng, ka kakaretso, bophara ba lifaha tsa mantlha bo lokela ho ba tlase ho, 1/9 ~ 1/10. kapa e lekana le 1/9 ho isa ho 1/10 ea botenya bo tlase ba lebota la li-castings, Raw material prefoaming e latela khetho e nepahetseng ea lifaha, Raw material prefoaming e latela khetho e nepahetseng ea lifaha.
Sena se hloka hore sekoaelo se khonehe ho kenella moeeng, sekhomaretsi se thibelang mollo ho fokotsa mefokolo ho li-castings tse kang li-blowholes, ho chesa lehlabathe e le ho etsa bonnete ba hore sekhahla sa lihlahisoa tse phethiloeng ka kakaretso ho na le mekhoa e mene ea ho roala le ho fanyeha: brushing, ho qoela, ho fafatsa, le ho fafatsa.
Ho latela litšoaneleho tsa mefuta e fapaneng, mekhoa e mengata e ka sebelisoa ka botlalo tlhahisong ea 'nete,Ka mor'a ho roala, mehlala e isoa likamoreng tse omisang ka 45 ~ 55 ℃, moea o chesang o potolohang bakeng sa ho omisoa, Nakong ea ho omisoa, mehlala e lokela ho beoa ka mokhoa o utloahalang le ho tšehetsoa ho thibela deformation, Khabareng, mocheso le mongobo li lokela ho laoloa ka thata hore li omelle hantle, Kamora ho omisoa hantle, lihlopha tsa mohlala li se li loketse ho tšolloa.
Ts'ebetso ea sebaka se letšo ke sethala sa ho lahla ho tiileng, Lihlopha tsa mefuta e omileng li kenngoa ka har'a mabokose a lehlabathe, Lehlabathe le khethehileng le omeletseng le fepeloa ka lebokoseng la lehlabathe ka mochini o fepelang oa metsi bakeng sa ho bōptjoa, Mokelikeli o qhibilihisitsoeng o tšeloa tlas'a khatello e mpe, Meetso e tšetsoeng ka khase e entsoeng ka metsi a qhibilihisitsoeng, Mehlala. e tšetsoeng ka khase ka mokelikeli o qhibilihisitsoeng o nkeloe sebaka, Ka hona, ho hlahisoa li-castings tse tšoanelehang.
Sebaka se letšo sa ts'ebetso ea ho lahla lekoeba e lahlehileng ke ho nkela mefuta e mesoeu ea foam sebaka ka tšepe e qhibilihisitsoeng le ho etsa sebopeho, Ho na le mehato e meraro: ho bopeha ha vibration, kalafo ea lehlabathe la fand.
Ts'ebetso ea ho bopa ea vibrate e kenyelletsa mehato e mene: phepelo ea lehlabathe e ka tlase, lihlopha tsa mohlala tsa ho fepa le ho bopa lehlabathe, ho koahela lifilimi le ho fepa lehlabathe ka holim'a metsi.
Ho bopa ho phetheloa ka sethala sa vibrate le mochini oa ho fepa lehlabathe la shaoara,
Mabokose a lehlabathe a ea sebakeng se tlas'a sand storaqe hopper; sThe sander ea pula e nang le metsi e eketsa lehlabathe le ka tlaase lebokoseng la lehlabathe, ka mor'a hore lehlabathe le ka tlaase le eketsoe, sehlopha sa mohlala se kenngoa ka har'a lebokose la lehlabathe, 'me sander ea pula e tsamaea hape ho eketsa lehlabathe. sebaka sa heke e bataletseng; Nakong ea ts'ebetso eohle ea lehlabathe la fillinq, tafole ea vibration e lula e thothomela ho netefatsa ho bōptjoa, lehlabathe le tlatsitsoe sebakeng se sekoti ho potoloha sehlopha sa mohlala oa foam, Kamora ho thothomela, tafole e sisinyehang e theoha ho tsamaisa pina ea lehlabathe, Ebe lebokose la lehlabathe le sutumetsoa hole. ka hydraulic pusher ho etsa,sebaka sa ho bopa se latelang sa sandbox,mabokose a lehlabathe a fihla holimo,seteishene sa phepelo sa lehlabathe sa shaoara,feela ka bonngoe ho koahela lifilimi tsa polasetiki le ho qeta ho bopa.
Filimi ea polasetiki e sebelisetsoa ho tiisa ho tloha ka holim'a sanbox, Nakong ea ho lahla, tsamaiso e mpe ea khatello e itšebetsa ka lebokose la lehlabathe, e leng se etsang hore ho be le sebaka se le seng sa vacuum ka lebokoseng la lehlabathe.
Likaroloana tsa lehlabathe li "kopanngoa" hammoho ke phapang ea khatello pakeng tsa, sepakapaka le sebopeho se ka hare, se tiisang hore mokhoa oa ho lahla ha o robehe kapa o hasane.
Sistimi ea khatello ea neqative e na le phello ea bobeli ea compaction lehlabatheng le ntseng le bōptjoa ho ntlafatsa matla a ho ferekana a tsitsitseng pakeng tsa likaroloana tsa lehlabathe, ho etsa sebaka se tsitsitseng sa bressure se fosahetseng ka lebokoseng la lehlabathe, ho qobella lehlabathe le omeletseng ho beha tlas'a ketso ea khatello ea sepakapaka.
Ha porinq, e monya khase e hlahisoang ke mohlala oa EPS, e qoba lesoba le phunyeletsang ho lahlela, ho eketsa lebelo la ho phalla ha tšepe ea metsi, hape e potlakisa mofuta oa flush, 'me kahoo e ntlafatsa sekhahla se tšoanelehang sa li-castings.
Kamora ho bopa, mabokose a lehlabathe a isoa karolong ea ho tšela ka bonngoe, Karolo ena e na le mochini o kopanyang o ikemetseng oa butt, ha o tšela, mohlala oa EPS o fetoha mouoane tlas'a mocheso oa tšepe ea metsi, barbotage le ho bopa lehlabathe.Liquid tšepe tsoela pele occupies boemo ba EPS ea mohlala 'me ho etsahala phetolo tshebetso ya tšepe mokelikeli le EPS ea mohlala, Qetellong, castings tšoanelehang ba thehoa.
Kamora ho tšeloa, li-castings li hloka ho theoleloa ka nako e itseng ka lebokoseng la lehlabathe, ebe li ntšoa ka lebokoseng, Mochini oa othomathike o sebelisetsoang ho arola lehlabathe le bopehileng.
Lehlabathe la ho bopa le ea tsamaisong ea phekolo ea lehlabathe, ha li-castinqs qo ho thunya mochine o qhomisang ho tlosa holim'a metsi, lehlabathe la ho bopa le ka sebelisoa hape ka mor'a phekolo, e leng ho fokotsa litšenyehelo tsa tlhahiso, Sena ke e 'ngoe ea melemo ea ts'ebetso ea foam e lahlehileng. melemo ea ts'ebetso ea foam e lahlehileng.
Sistimi ea kalafo ea lehlabathe ke ts'ebetso ea bohlokoa haholo ea tlhahiso ea LFC, lehlabathe la ho bopa ka mor'a phetoho ea lebokose le pholile haholo ka mochini o pholileng oa metsi le lehlabathe la shakeout, ebe e arohanngoa le masala le li-sundries ka ho hlahloba conveyor, "screeninq conveyor" e na le sistimi e futhumatsang moea. , e ka fokotsang mocheso oa lehlabathe ka potlako le ka mokhoa o nepahetseng, masala a ntšoa ke mochine o phahamisang slag ha ho ntse ho thehoa, lehlabathe le phahamisoa ka lifti ho ea mochine o pholileng o otlolohileng bakeng sa pholileng e kholo, hen ka lifti, lehlabathe le bōpehileng le romelloa ho requlator ea mocheso pholileng e eketsehileng, Ka mor'a ts'ebetso ena kaofela, lehlabathe le fetisetsoa ho storaqe hopper bakeng sa tlhahiso.