Tlhahisong eali-cylinder bores tsa koloi, mokhoa oa ho hlopha ke oa bohlokoa bakeng sa ho fihlela se hlokahalangnepahalo, pheletso e kahodimo, leho nepahala ha geometri. Mochini oa ho honoa o bapala karolo ea bohlokoa ho hloekiseng bokaholimo ba cylinder bore ho fihlela litlhoko tse thata tsa ts'ebetso ea enjene, katleho le bophelo bo bolelele.
Hobaneng aHoning Machineho hlokahala:
Li-cylinder bores ke likarolo tsa bohlokoa ka har'a enjene, kaha li boloka lipiston 'me li tlameha ho fana ka sebaka se nepahetseng, se boreleli hore lipiston li thelle. Nakong ea ts'ebetso ea tlhahiso, li-cylinder bores hangata li bōptjoa ka mekhoa e kangborangkapaho phunya. Le ha lits'ebetso tsena li hlahisa sebopeho sa li-cylinder tsa mantlha, ha li fane ka sephetho sa ho qetela se hlokahalang bakeng sa motsamao o nepahetseng oa piston, ho boloka oli le ho hanyetsa ho roala. Mona ke moo mochini oa ho honoa o kenang teng.
Themochini oa ho roalae bohlokoa ho:
Ho Fumana Nepahetseng: Li-cylinder bores li tlameha ho ba le bophara bo nepahetseng, ho ba chitja, le ho otloloha, haholo bakeng sa lienjine tse sebetsang hantle-. Mechini ea Honing e fana ka liphetoho tse ntle tse hlokahalang ho netefatsa hore cylinder bore e kopana le mamello e thata.
Ho Etsa Sebaka se Loketseng Qetellong: Sebaka se ka hare sa cylinder bore se tlameha ho ba le sebopeho se itseng se khothalletsang ho tiisa ka katleho pakeng tsa mehele ea piston le lerako la cylinder. E boetse e hloka ho lumella ho boloka oli e nepahetseng ho fokotsa likhohlano le ho khathala.
Ho ntlafatsa Botšepehi ba Geometrical: Ts'ebetso ea ho holisa e thusa ho tlosa mefokolo leha e le efe e kang{{0}ka ntle{1}kantle ho-chitja, taper, kapa khopamo e bakoang ke mekhoa ea pejana, ho netefatsa hore ho na le 'nete, e tšoanang bore.
Mesebetsi ea mochini oa Honing:
Qetello ea Bokaholimo: Honing ho tlosa lintho tse nyane ho tsoa ho bore ho ntlafatsa bokaholimo, boo hangata bo hlokang ho fihlella bohoho ba bokaholimo bo fapaneng.Ra 0,2 ho 1.0 microns(ho itšetlehile ka litlhaloso tsa enjene). Boreleli bo ntlafatsa ts'ebetso ea tiiso ea mehele ea piston.
Taolo ea Boholo le Mamello: Mochini oa honing o sebelisetsoa ho finyella bophara ba ho qetela, bo nepahetseng ba cylinder bore, ho netefatsa hore o lumellana le piston mme o fana ka khatello e nepahetseng.
Ho pota-pota le ho otloloha: Ts'ebetso ea honing e netefatsa hore cylinder bore e pota-potiloe ka mokhoa oa geometrically ebile e otlolohile, e tlosa ho se lumellane leha e le hofe ho tloha lits'ebetsong tse fetileng tsa machining.
Crosshatch Pattern: Honing ho bopa e itsengcrosshatch patternka holim'a bore, e leng ntho ea bohlokoa bakeng sa ho boloka oli. Mokhoa ona o thusa ho theha tiiso e nepahetseng ka mehele ea piston le ho fokotsa ho roala leboteng la cylinder le mehele ea piston.
Deburring: Ts'ebetso ea honing e thusa ho tlosa li-burrs leha e le life kapa mecheng e bohale e setseng mehatong e fetileng ea machining, ho ntlafatsa boleng ba kakaretso ea cylinder bore.
Mokhoa oa ho hloekisa o etsoa joang:
Tokisetso:
Bore ea cylinder e qala ho etsoa ka boholo bo thata ho sebelisoa lits'ebetso tse kang ho bora kapa ho cheka.
The workpiece (cylinder block) e kentsoe ka mokhoa o sireletsehileng mochining oa honing.
Mochini oa ho lokisa o na lemajoe a hlabangkapamabanta a hlabangtse khethiloeng ka ho khetheha ho itšetlehile ka qetello e lakatsehang le thepa ea thepa ea silinda.
Honing Tool Setup:
Abrasive Stones: Majoe ana a hloekisitsoe holim'aho rotha lihloohoe potolohang ka hare ho cylinder bore. Hangata majoe a entsoe kaaluminium oxidekapacubic boron nitride (CBN), ho itšetlehile ka boima ba thepa.
Mokhoa oa Stroke: Sesebediswa sa ho hopa se tsamaiswa ka tsela e fananang ({0}}le{1}pele) ka hare ho bore. Ho sisinyeha hona, hammoho le ho potoloha ha majoe a abrasive, ho tiisa hore bokaholimo bo sebetsa ka tsela e lekanang.
Lubrication: Mokelikeli o khethehileng oa ho itšeha kapa o pholileng o sebelisoa ho tlotsa mokhoa oa ho honing, ho fokotsa mocheso oa mocheso le ho thibela ho roala ha letlalo. E boetse e thusa ho tlosa lintho tse ntle tse tlositsoeng ka har'a sekoti.
Honing Mokhoa:
Katoloso ea Radial ea Abrasive Stones: Ha sesebelisoa sa honing se ntse se tsamaea, themajoe a hlabangkapaborashe bo hlabangtobetsa ka ntle khahlanong le lerako la cylinder, butle-butle u sila le ho bentša bokaholimo ba bore. Khatello e hlahisoang hangata e tlase ho netefatsa ho tlosoa ha thepa e ntle ntle le ho senya bokaholimo.
Li-Parameters tse Fetohang: Opereishene e fetola likarolo tsa bohlokoa joalo kalebelo la ho potoloha, sekhahla sa stroke, lekatoloso ya bophara ba majoeho fihlela sephetho se hlokahalang, geometry le boholo.
Crosshatch Pattern: Nakong ea ts'ebetso ea ho holisa, ho sisinyeha ha majoe a abrasive le ho potoloha ha silinda ho etsa hore ho be lecrosshatch patternhodimo. Mokhoa ona o bohlokoa bakeng sa ho ntlafatsa ho boloka oli le ho netefatsa tiiso e nepahetseng pakeng tsa mehele ea piston le lerako la silinda.
Litekanyo tsa ho Qetela:
Thecylinder bore bopharae lekanyetsoa ho pholletsa le ts'ebetso ho netefatsa hore boholo ba ho qetela bo lumellana le litlhaloso tse hlokahalang. Thechitjaleho otlolohaea bore le tsona li netefalitsoe.
Qetello ea bokaholimo e hlahlojoa, hangata ka li-profilometers tsa holim'a metsi, ho netefatsa hore e oela ka har'a mokhoa o boima o hlokahalang le oa crosshatch.
Ho qetela:
Hang ha sephetho se lakatsehang sa holim'a metsi le ho mamellana ha dimensional se fihletsoe, ts'ebetso ea honing e emisoa.
Sekoahelo sa silinda se tlosoa mochineng oa honing le ho hloekisoa ho tlosa litšila leha e le life le masala a pholileng.
Kakaretso ea Ts'ebetso ea Ho Honing:
Mochini o Mobe: Li-cylinder bores li qalisoa ka ho boreha kapa ho cheka.
Tlhophiso: Sebaka sa mosebetsi se kenngoa mochine oa honing, 'me majoe a hlabang kapa li-brushes li behiloe.
Honing: Sesebelisoa se tsamaea ka sekhahla 'me se khutlisetsa ka hare ho bore, se tlosa lintho tse nyenyane ho ntlafatsa ho pota-pota, boholo le ho qeta bokaholimo.
Pōpo ea Mohlala: Paterone ea crosshatch e entsoe ka holim'a metsi, e leng bohlokoa bakeng sa ho boloka oli le ho koala piston e nepahetseng-.
Litekanyo tsa ho Qetela le Tlhoekiso: Bore e lekanngoa ho etsa bonnete ba hore lintlha tsohle lia finyelloa, 'me karolo e hloekisoa bakeng sa kopano e eketsehileng.
Ke Hobane'ng ha Honing e le Bohlokoa:
Ho nepahala: Ts'ebetso ea ho honing e fihlella ho nepahala ho hlokahalang bakeng sa ho lekana ka thata lipakeng tsa piston le cylinder bore.
Boleng ba Sefahleho: Mokhoa o boreleli, oa crosshatch o hlahisoang ke honing o tiisa hore mehele ea piston e ka tiisa hantle le hore lerako la silinda le tlotsitsoe hantle.
Ho tšoarella: Honing e ntlafatsa ho tšoarella ha silinda ka ho ntlafatsa bokaholimo ba eona le geometry, ho fokotsa ho roala ha mehele ea silinda le piston ha nako e ntse e ea.
Ts'ebetso e nepahetseng ea Enjine: Ho hlopha ka nepo ho lebisa ho sebetsa hantle ha enjene, matla, le ho fokotsa tšebeliso ea oli, ho netefatsa hore{0}}enjene e sebetsa ka nako e telele.
