Ha lienjineri li hlakisa likarolo tsa tšepe tse entsoeng ka matla a khoheli, ha li laele likaroloana feela - li itlama ho theha seriti tlas'a khatello, botsitso ba sebopeho ho pholletsa le lipotoloho tsa mocheso, le khanyetso ea nako e telele libakeng tse tletseng bora. Ke kahoo ho khetha se nepahetseng matla a khoheli ka tšepe likarolo fektheri ha se lebokoso la ho reka thepa — ke qeto ea boemo ba sistimi. Ho QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., re bone kamoo mekhoa e sa nepahalang ea ho lahlela e senyang linako tsa ho fana ka pompo, mokhoa o poteletseng oa graphite morphology e fetolang ho tiisetsoa ha li-valve, le kamoo nako e sa tsitsang ea shakeout e hlahisang khatello ea maikutlo e nyane matlong a lisilindara. Tsena ha se mathata a theory. Ke mekhoa e netefalitsoeng ea ho hloleha eo re e fumanang beke le beke.
Hobaneng ha Gravity Casting e ntse e Hlōla Likaroloana tsa Iron tse Bohlokoa
Centrifugal kapa die casting e ka fana ka mamello e matla ho li-geometri tse bonolo — empa matla a khoheli a fana ka seo ts'ebeliso ea bohlokoa ea hydraulic le oli le khase e hlileng e se hlokang: tataiso e laoloang ea ho tiisa, matšeliso a ka lebelloang a shrinkage, le ts'ebetso ea metallurgic ho pholletsa le likarolo tse teteaneng. Re lula re akhela matlo a silindara a pompo ea piston ho fihla ho 420 mm botenya ba lebota ka ASTM A48 Class 350 matla a ho sisinyeha — 'me re ts'oara mamello ea boemo ba GD&T ea ± 0.15 mm lifahlehong tse mahlonoko. Joang? Ka ho kopanya ketsiso ea hlobo ea lehlabathe (ho sebelisa MAGMAsoft) le tlhahlobo ea nako ea nnete ea thermocouple lintlheng tse tharo tse tebileng nakong ea ho tšela. Sena ha se khakanyo. Ke taolo ea ts'ebetso e tsamaisoang ke fisiks.
Setsi sa rona se sebelisa lehlabathe le khutliselitsoeng la silica le kopantsoeng le resin ea furan-e netefalitsoeng ho ISO 22988 bakeng sa boitšoaro ba ho bola ha binder. Empa khetho ea thepa feela ha e tiise ts'ebetso. Re hlokometse hore litekanyetso tse sa laoleheng tsa ho pholisa ka tlase ho 120 ° C / hora li baka mofuta oa mofuta oa D graphite sebopeho ho ASTM A278 Grade 65-45-12 ductile iron-ka ho toba e amanang le 23% bophelo bo tlaase ba mokhathala ho li-winch center shaft rollers. Kahoo re qobella liprothokholo tsa ho pholisa moea ka likhoka tse lekantsoeng ka karolo ea boima le karolo ea modulus. Sehlopha se seng le se seng se na le traceability e felletseng: nomoro ea ho qhibiliha, mocheso o tšollang, letsoapo le pholileng, le netefatso ea ho qetela ea boima.
Moo Machining a Kopanang le ho Latsoa —Le Hobaneng ho le Bohlokoa ho Kopanela Litheko
Ho lahlela matla a khoheli ho theha motheo. Precision machining e fana ka libaka tse sebetsang. Ho arola mekhoa ena ho mema kotsi. Re latetse 68% ea li-nonconformities tse sa bonahaleng ho batho ba boraro ho ea ho phetoho ea data lipakeng tsa li-casting le CNC-haholo-holo metheong ea pompo ea asymmetrical e nang le lifofane tse ngata tse ntseng li hola. Tharollo ea rona? Taolo ea ho tsamaisoa ha mosebetsi oa Cast-to-machine: mosebeletsi ea tšoanang oa CMM o netefatsa litekanyo tsa ho lahlela * le * geometry e felileng; sebopeho se tšoanang se beha mekhahlelo ka bobeli; e tšoanang metrology lab e netefatsa pele le ka mor'a kalafo ea mocheso.
Khokahano ena e etsa hore likarolo tse kang AMS 5387 cobalt alloy li kenngoe ka mochine o hatelletsoeng ka har'a matlo a tšepe a entsoeng ka tšepe-moo ho sa lumellaneng ha mocheso oa mocheso ho lokelang ho etsoa ho ea ho tšitiso ea ± 0.002 mm. Kapa li-nozzles tse thehiloeng ho T800 tse nang le mamello ea lebota la 0.05 mm, tse entsoeng ka mochini ka kotloloho ho tsoa likheong ntle le ho sotha ho imollang khatello ea maikutlo. Ha re fane ka kalafo ea mocheso kantle ho naha. Lisebelisoa tsa rona tsa vacuum li tsamaisa li-cycle tse netefalitsoeng ho latela AMS 2750E, ka ho rema lifate ka pyrometer. Hobane ha valve ea khatello ea hau e sebetsa ho 415 bar, "haufi ka ho lekaneng" ha se khetho.
Hore na netefatso ea 'nete ea lefats'e e shebahala joang
Bareki ba botsa: "U bontša joang hore ua tšepahala?" Eseng ka litifikeiti feela — empa ka data ea liteko. Li-plug tsa rona tsa cobalt-nickel alloy li etsa tlhahlobo ea khoholeho ea potoloho ea 10,000 ka 3.5% NaCl brine ka 85 ° C, e etsisa tšebeletso ea pompo e lebōpong la leoatle. Liphetho lia bontša <1.2 μm/selemo tahlehelo ea thepa—khahlanong le indasteri-karolelano ea 4.7 μm/selemo. Bakeng sa li-winch roller tsa koloi ea boenjiniere, re netefatsa botšepehi ba holim'a metsi ka ho sebelisa tlhahlobo ea lerata ea Barkhausen ho lemoha ho chesa ha mobu o ka tlas'a lefatše ho sa bonahaleng ho hlahloba optical. 'Me thomello e' ngoe le e 'ngoe e kenyelletsa li-cert tse felletseng tsa thepa: Litlaleho tsa spectrography tsa OES, li-curve tsa liteko tse thata, le linepe tsa microstructure tse hlalositsoeng ho ASTM E112.
Re boetse re arolelana lithuto tseo re li fumaneng ka thata. Mohlala: lihlopha tsa pele tsa li-flange tse sa tloaelehang tsa pompo li bontšitse ho lutla ha gasket pele ho nako. Sesosa sa ho qala? Ho ntša hlobo ha hoa lekana ho tšela khatello e phahameng ea mokokotlo. Tharollo? Mehaho e entsoeng bocha e nang le 0.3 mm radial vents-e netefalitsoe ke X-ray CT scan. Hona joale li-flanges li fihlella ho lutla ha zero ka khatello e lekantsoeng ea 1.8 ×. Eo ke phapang pakeng tsa mofani oa thepa le molekane.
Ho Khetha Feme ea Hao ea Likarolo Tsa Tšepe ea Matla a khoheli—Ka Nģ’ane ho Bukana
Haeba kopo ea hau e hloka ASTM A ductile iron e nang le spheroidization>92%, kapa e hloka mehala ea GD&T bakeng sa boemo ba 'nete ba lipaterone tsa masoba a 12, netefatsa lintho tsena tse tharo pele u saena:
- Na ba na le thepa ea bona ea ho lahla le ho etsa mechine? Mehato e tsoang kantle e senya ts'ebetso le ho hlahisa kotsi ea kemiso.
- Na ba ka u bonts'a litlaleho tsa 'nete tsa CMM-eseng feela ho fetisa / ho hloleha litempe? Sheba litekanyetso tse tala tsa ho kheloha, eseng feela matšoao a matala.
- Na ba phatlalatsa makhetlo a bona a tlhahlobo ea lehlabathe? Lehlabathe le tsosolositsoeng le hloka litlhahlobo tsa letsatsi le letsatsi tsa mongobo le ho kenella ha ISO 10083.
QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD. e kopana le tse tharo. Ha re phahamise molumo-re ntse re tebisa bokhoni ba matla a khoheli a phahameng a alloy moo ho nepahetseng le metallurgy li kopanang teng. Ha odara ea hau e latelang e kenyelletsa litšepe tse rarahaneng tse tlamehang ho sebetsa tlas'a khatello e feteletseng, mocheso, kapa ho pepeseha ha kutu, qala ka tlhahlobo ea tekheniki - eseng kopo ea qotsa. Hobane feme e matla ka ho fetisisa ea matla a khoheli ea likarolo tsa tšepe ha se eona e nang le lethathamo le leholo ka ho fetisisa. Ke eona e buang puo ea hau ea boenjiniere hantle.
