Li-Burrs li hohle ts'ebetsong ea tšepe. Ho sa tsotellehe hore na u sebelisa lisebelisoa tse nepahetseng hakae, li tla tsoaloa hammoho le sehlahisoa. Haholo-holo ke mofuta oa li-filings tsa tšepe tse feteletseng tse hlahisoang moeling oa ts'ebetso ea thepa e lokelang ho sebetsoa ka lebaka la deformation ea polasetiki ea thepa. Haholo-holo lisebelisoa tse nang le ductility tse ntle kapa tse thata li atisa ho ba le li-burrs.
Mefuta e ka sehloohong ea li-burrs e kenyelletsa li-flash burrs, li-corner burrs tse bohale, li-spatter le masalla a mang a feteletseng a tšepe a sa fihlelle litlhoko tsa moralo oa sehlahisoa. Mabapi le bothata bona, ha ho na mokhoa o atlehang oa ho o felisa ts'ebetsong ea tlhahiso ho fihlela joale. Ka hona, e le ho netefatsa litlhoko tsa moralo oa sehlahisoa, baenjiniere ba ka sebetsa ka thata feela ho tlosa ts'ebetso ea morao-rao. Ho fihlela joale, lihlahisoa tse fapaneng li na le litlhoko tse fapaneng. Ho na le mekhoa le lisebelisoa tse ngata tsa ho tlosa li-burrs.
Lisebelisoa tsa Xinfa CNC li na le litšobotsi tsa boleng bo botle le theko e tlase. Ho fumana lintlha, ka kopo etela:
Baetsi ba Lisebelisoa tsa CNC - Feme ea Lisebelisoa tsa CNC ea China le Bafani (xinfatools.com)
Ka kakaretso, mekhoa ea ho tlosa burr e ka aroloa ka mekhahlelo e mene:
1. Boemo bo mahoashe (ho kopana ka thata)
Har'a sehlopha sena ke ho seha, ho sila, ho faela le ho sebetsa ka scraper.
2. Boemo bo tloaelehileng (ho ama ha bonolo)
Har'a sehlopha sena ke ho sila ka lebanta, ho sila, ho sila lebili le rekere.
3. Boemo bo nepahetseng (ho ikopanya le maemo)
Har'a sehlopha sena ke ts'ebetso ea flushing, electrochemical processing, electrolytic grinding le rolling processing.
4. Boemo bo nepahetseng haholo (ho bua ka nepo)
Ba karolo ea sehlopha sena ke abrasive flow deburring, magnetic grinding deburring, electrolytic deburring, thermal deburring le dense radium e matla ultrasonic deburring, joalo-joalo Mofuta ona oa mokhoa oa ho senya o ka fumana ho nepahala ha karolo ea ho sebetsa.
Ha re khetha mokhoa oa ho senya, re tlameha ho nahana ka lintlha tse ngata, tse kang litšobotsi tsa thepa ea karolo, sebopeho sa sebopeho, boholo le ho nepahala. Haholo-holo, re tlameha ho ela hloko liphetoho tse teng holim'a metsi a holimo, ho mamellana ha mahlakore, ho fetoha ha maikutlo le khatello ea kelello e setseng.
Seo ho thoeng ke electrolytic deburring ke mokhoa oa ho senya lik'hemik'hale. E ka tlosa li-burrs ka mor'a ho lokisa, ho sila le ho hatakela, le ho pota-pota kapa ho senya likarolo tse bohale tsa likarolo tsa tšepe.
Mokhoa oa ho sebetsa oa electrolytic o sebelisang electrolysis ho tlosa li-burrs likarolong tsa tšepe, tse bitsoang ECD ka Senyesemane. Lokisa sesebelisoa sa cathode (hangata se entsoe ka koporo) haufi le karolo ea burr ea workpiece, ka lekhalo le itseng (hangata 0,3 ho 1 mm) pakeng tsa bona. Karolo ea conductive ea cathode ea sesebelisoa e tsamaisana le moeli oa burr, 'me libaka tse ling li koahetsoe ka lera le sireletsang ho tsepamisa mohopolo ho electrolysis karolong ea burr.
Nakong ea ts'ebetso, cathode ea sesebelisoa e hokahane le palo e mpe ea phepelo ea motlakase ea DC, 'me sesebelisoa se hokahane le palo e ntle ea phepelo ea motlakase ea DC. Electrolyte e nang le khatello e tlase (hangata sodium nitrate kapa sodium chlorate aqueous solution) e nang le khatello ea 0.1 ho 0.3 MPa e phalla pakeng tsa workpiece le cathode. Ha motlakase oa DC o buloa, li-burrs li tla qhibiliha ka har'a anode ebe li tlosoa, 'me li tla tlosoa ke electrolyte.
Electrolyte e senya ho isa bohōleng bo itseng, 'me mosebetsi o lokela ho hloekisoa le ho thibela mafome ka mor'a ho senya. Electrolytic deburring e loketse ho tlosa li-burrs ho tloha masobeng a sefapano likarolong tse patehileng kapa likarolo tse nang le libopeho tse rarahaneng. E na le ts'ebetso e phahameng ea tlhahiso 'me nako ea ho senya hangata e nka metsotsoana e seng mekae ho isa ho metsotsoana e mashome.
Mokhoa ona o atisa ho sebelisoa bakeng sa lisebelisoa tsa ho senya, li-splines, li-rods tse kopanyang, lihlopha tsa li-valve le li-openline tsa oli ea crankshaft, hammoho le ho pota-pota sekhutlo se bohale, joalo-joalo. Bothata ke hore likarolo tse haufi le li-burrs li boetse li angoa ke electrolysis, 'me bokaholimo bo tla ba teng. lahleheloa ke khanya ea eona ea pele le esita le ama ho nepahala ha dimensional.
Ha e le hantle, ntle le ho tlosoa ha burr electrolytic, ho boetse ho na le mekhoa e latelang e khethehileng ea ho tlosa burr:
1. Abrasive flow deburring
Theknoloji ea Abrasive flow machining (AFM) ke mokhoa o mocha oa ho phethela le oa ho theola o ntlafalitsoeng kantle ho naha ho elella bofelong ba lilemo tsa bo-1970. Ts'ebetso ena e loketse ka ho khetheha bakeng sa li-burrs tse sa tsoa kena sethaleng sa ho qetela, empa ha se tšoanelehe bakeng sa likoti tse nyenyane le tse telele le liforomo tsa tšepe tse nang le likoti tse koetsoeng. joalo-joalo ha lia lokela ho sebetsa.
2. Magnetic sila le deburring
Mokhoa ona o simolohile ho Soviet Union ea mehleng, Bulgaria le linaheng tse ling tsa Europe Bochabela lilemong tsa bo-1960. Bohareng ba lilemo tsa bo-1980, bahlahisi ba Majapane ba ile ba etsa lipatlisiso tse tebileng ka mochine le tšebeliso ea eona.
Nakong ea ho sila ka matla a khoheli, mosebetsi o kenngoa ka har'a matla a khoheli a entsoeng ke lipalo tse peli tsa makenete, 'me li-abrasives tsa makenete li kenngoa ka har'a lekhalo le pakeng tsa mosebetsi le lipalo tsa makenete. Li-abrasives li hlophisitsoe ka makhethe ho latela tataiso ea likhoele tsa makenete tlas'a ts'ebetso ea matla a khoheli, ho etsa mochini o silang o bonolo le o thata. Brush, ha workpiece e potoloha le ho sisinyeha axially ka matla a khoheli, workpiece le abrasive falla e amanang le mong ho e mong, le borashe abrasive sila holim 'a workpiece; mokhoa oa ho sila oa makenete o ka sila le ho senya likarolo ka mokhoa o nepahetseng le ka potlako, 'me o loketse Ke mokhoa oa ho qetela o nang le matsete a tlaase, bokhoni bo phahameng, ts'ebeliso e pharaletseng le boleng bo botle bakeng sa likarolo tse entsoeng ka thepa e sa tšoaneng, boholo le mehaho.
Hona joale, linaha tsa linaheng tse ling li ka sila le ho senya likarolo tse ka hare le tse ka ntle tsa 'mele o potolohang, likarolo tse bataletseng, meno a gear, libaka tse rarahaneng, joalo-joalo, ho tlosa sekala sa oxide holim'a lithapo, le ho hloekisa liboto tsa potoloho tse hatisitsoeng, joalo-joalo.
3. Thermal deburring
Thermal deburring (TED) e sebelisa mocheso o phahameng o hlahisoang ke ho senyeha ha motsoako oa hydrogen le khase ea oksijene kapa oksijene le khase ea tlhaho ho chesa li-burrs. Ke ho fetisa oksijene le oksijene kapa khase ea tlhaho le oksijene ka har'a setshelo se koetsoeng, ebe o e hotetsa ka spark plug, e le hore motsoako o phatlohe hang-hang ebe o ntša matla a mangata a mocheso ho tlosa li-burrs. Leha ho le joalo, ka mor'a hore sesebelisoa sa mosebetsi se chesoe ka ho phatloha, phofo ea eona e nang le oxidized e tla khomarela holim'a sebaka sa mosebetsi 'me e tlameha ho hloekisoa kapa ho hloekisoa.
4. MiLa e matla ea ultrasonic deburring
Theknoloji ea MiLa e matla ea ultrasonic deburring ke mokhoa oa ho senya o seng o tumme lilemong tsa morao tjena. Ts'ebetso ea ho hloekisa e le 'ngoe ke makhetlo a 10 ho isa ho a 20 ho feta ea mechini e tloaelehileng ea ho hloekisa ea ultrasonic. Likoti li ajoa ka ho lekana ka tanka ea metsi, ho felisa tlhokahalo ea ho hloekisa ka ultrasonic. Tekanyetso e ka phethoa ka nako e le 'ngoe nakong ea metsotso e 5 ho isa ho e 15.
Re hlophisitse mekhoa e 10 e atileng haholo ea ho lefa bakeng sa motho e mong le e mong:
1) Ho tlosa chelete ka letsoho
Hona hape ke mokhoa o sebelisoang hangata ke likhoebo tse akaretsang, ho sebelisa lifaele, sandpaper, lihlooho tsa ho sila, joalo-joalo joalo ka lisebelisoa tse thusang. Lifaele li na le ho kenya ka letsoho le ho fetoha ha moea.
Tlhaloso e khutšoanyane: Litsenyehelo tsa basebetsi li theko e boima, ts'ebetso ea ts'ebetso ha e phahame haholo, 'me ho thata ho tlosa likoti tse rarahaneng tsa sefapano. Litlhoko tsa tekheniki bakeng sa basebetsi ha li phahame haholo, 'me li loketse lihlahisoa tse nang le li-burrs tse nyane le meaho e bonolo ea lihlahisoa.
2) Lefu la deburring
Sebelisa die le punch ho tlosa burrs.
Maikutlo a makhutšoane: Tefiso e itseng ea ho phunya (rough die + fine punching die) ea hlokahala tefiso ea tlhahiso, 'me ho ka hlokahala le "shaping die". E loketse lihlahisoa tse nang le libaka tse batlang li le bonolo tsa ho arohana, 'me katleho le phello ea ho senya li molemo ho feta mosebetsi oa matsoho.
3) Ho sila le ho senya
Mofuta ona oa deburring o kenyelletsa ho sisinyeha, sandblasting, roller le mekhoa e meng, eo hajoale e sebelisoang ke lik'hamphani tse ngata.
Tlhaloso e Khutšoanyane: Ho na le bothata ba hore ho tlosoa ha hoa hloeka haholo, 'me ho ka' na ha hlokahala hore u sebetsane le li-burrs tse setseng ka letsoho kapa u sebelise mekhoa e meng ea ho tlosa li-burrs. E loketse lihlahisoa tse nyenyane tse nang le lihlopha tse kholoanyane.
4) Frozen deburring
Sebelisa pholileng ho ebrittle burrs ka potlako, ebe o fafatsa projectiles ho tlosa burrs.
Tlhaloso e khutšoanyane: Theko ea thepa e ka bang 20,000 ho ea ho 300,000 yuan; e loketse lihlahisoa tse nang le botenya ba lerako le lenyenyane la burr le lihlahisoa tse nyane.
5) Ho phatloha ho chesang ho chesang
E boetse e bitsoa thermal deburring le explosion deburring. Ka ho fetisetsa khase e 'ngoe e tukang ka sebōping sa thepa, ebe ka ketso ea mecha ea litaba le maemo a mang, khase e phatloha hang-hang,' me matla a hlahisoang ke ho phatloha a sebelisetsoa ho qhaqha le ho tlosa li-burrs.
Tlhaloso e khutšoanyane: Thepa e theko e boima (litheko ka limilione), e hloka tsebo e phahameng ea ho sebetsa, e na le ts'ebetso e tlaase, 'me e na le litla-morao (mafome, ho senyeha); e sebelisoa haholo-holo libakeng tse ling tsa likarolo tse nepahetseng haholo, joalo ka likarolo tsa ho nepahala tsa likoloi le tsa sefofane.
6) Ho senya mochine oa khatiso
Tlhaloso e khuts'oane: Thepa ha e theko e boima haholo (mashome a likete), 'me e loketse lits'ebetso moo mohaho oa sebaka o leng bonolo le libaka tse hlokahalang tsa ho senya li bonolo ebile li tloaelehile.
7) Ho tlosa lik'hemik'hale
U sebelisa molao-motheo oa karabelo ea electrochemical, likarolo tse entsoeng ka thepa ea tšepe li ka isoa ka mokhoa o ikhethileng le ka mokhoa o ikhethileng.
Tlhaloso e khuts'oane: E loketse li-burrs tse ka hare tse thata ho li tlosa, 'me li loketse li-burrs tse nyenyane (botenya bo ka tlaase ho lithapo tse 7) holim'a 'mele oa pompo,' mele oa li-valve le lihlahisoa tse ling.
8) Ho tlosoa ha electrolytic
Mokhoa oa machining oa electrolytic o sebelisang electrolysis ho tlosa li-burrs likarolong tsa tšepe.
Tlhaloso e khuts'oane: Electrolyte e senya ho isa bohōleng bo itseng, 'me likarolo tse haufi le li-burrs le tsona li angoa ke electrolysis. Bokaholimo bo tla lahleheloa ke khanya ea eona ea pele esita le ho ama ho nepahala ha dimensional. Sebaka sa ho sebetsa se lokela ho hloekisoa le ho thibela mafome ka mor'a ho senya. Electrolytic deburring e loketse ho tlosa li-burrs ho tloha masobeng a sefapano likarolong tse patehileng kapa likarolo tse nang le libopeho tse rarahaneng. E na le ts'ebetso e phahameng ea tlhahiso 'me nako ea ho senya hangata e nka metsotsoana e seng mekae ho isa ho metsotsoana e mashome. E loketse li-gear tsa ho phunya, lithupa tse hokelang, 'mele oa li-valve le liphasete tsa oli ea crankshaft, hammoho le ho pota-pota sekhutlo se bohale, joalo-joalo.
9) Khatello e phahameng ea metsi a jet deburring
Ho sebelisa metsi e le setsi, matla a eona a ts'ebetso ea hang-hang a ka sebelisoa ho tlosa li-burrs le flash e hlahisoang ka mor'a ho sebetsa, 'me ka nako e ts'oanang ho finyella morero oa ho hloekisa.
Tlhaloso e Khutšoanyane: Thepa e theko e boima 'me e sebelisoa haholo-holo bohareng ba likoloi le tsamaiso ea hydraulic control ea mechine ea kaho.
10) Ultrasonic deburring
Maqhubu a Ultrasonic a hlahisa khatello e phahameng hang hang ho tlosa li-burrs.
Maikutlo a makhutšoane: Haholo bakeng sa li-burrs tse nyane haholo. Ka kakaretso, haeba li-burrs li hloka ho bonoa ka microscope, u ka leka ho sebelisa mokhoa oa ultrasonic ho li tlosa.
Nako ea poso: Nov-16-2023
