Burrs ari kwese kwese mune simbi yekugadzirisa process. Hazvina mhosva kuti unoshandisa midziyo yemhando yepamusoro sei, inozvarwa pamwe chete nechigadzirwa. Iyo inonyanya imhando yeakawandisa mafirita esimbi anogadzirwa pamupendero wekugadzirisa zvinhu kuti zvigadziriswe nekuda kwepurasitiki deformation yezvinhu. Kunyanya zvinhu zvine ductility yakanaka kana kuomarara zvinonyanya kuita maburrs.
Mhando huru dzemaburrs dzinosanganisira flash burrs, inopinza makona burrs, spatter uye mamwe anobuda akawandisa masara esimbi asingakwane zvigadzirwa zvekugadzira zvinodiwa. Nezve dambudziko iri, hapana nzira inoshanda yekuibvisa mukugadzira maitiro kusvika zvino. Nokudaro, kuitira kuti tive nechokwadi chekugadzirisa zvinodiwa zvechigadzirwa, mainjiniya anogona kungoshanda nesimba pakubviswa kwemaitiro ekumashure. Kusvika parizvino, zvigadzirwa zvakasiyana zvine zvinodiwa zvakasiyana. Kune nzira dzakawanda uye midziyo yekubvisa burrs.
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Kazhinji kutaura, nzira dzekubvisa burr dzinogona kukamurwa muzvikamu zvina:
1. Coarse level (yakaoma kubata)
Zvechikamu ichi kucheka, kukuya, kuisa uye scraper processing.
2. Ordinary level (soft touch)
Zvechikamu ichi kugaya bhandi, kugaya, elastic vhiri kugaya nekukwenenzvera.
3. Precision level (flexible contact)
Zvechikamu ichi ndezvekutsvaira, electrochemical processing, electrolytic grinding uye rolling processing.
4. Ultra-chaiyo nhanho (chaiyo kubata)
Zvechikamu ichi abrasive flow deburring, magineti grinding deburring, electrolytic deburring, thermal deburring uye dense radium ine simba ultrasonic deburring, etc. Iyi mhando ye deburring nzira inogona kuwana yakakwana chikamu chekugadzirisa kurongeka.
Patinosarudza nzira yekubvisa, tinofanira kufunga zvinhu zvakawanda, senge hunhu hwechikamu, chimiro chechimiro, saizi uye nemazvo. Kunyanya, isu tinofanirwa kutarisisa kune shanduko mukukasharara kwepamusoro, kushivirira kwedimensional, deformation, uye kusara kunetseka.
Iyo inonzi electrolytic deburring ikemikari deburring nzira. Inogona kubvisa maburrs mushure mekugadzira, kukuya uye kutsika, uye kutenderera kana chamfer mipendero yakapinza yezvikamu zvesimbi.
Electrolytic processing method inoshandisa electrolysis kubvisa maburrs kubva musimbi, inonzi ECD muChirungu. Gadzirisa mudziyo cathode (kazhinji yakagadzirwa nendarira) padhuze neburr chikamu chebasa, paine imwe gap (kazhinji 0.3 kusvika 1 mm) pakati pavo. Iyo conductive chikamu chemudziyo cathode inopindirana neiyo burr edge, uye mamwe mapeji akafukidzwa neanodzivirira layer kuti atarise iyo electrolysis pane burr chikamu.
Munguva yekugadzira, iyo cathode yechishandiso yakabatana kune yakaipa danda reDC simba rekupa, uye workpiece yakabatana kune yakanaka pole yeDC magetsi. A low-pressure electrolyte (kazhinji sodium nitrate kana sodium chlorate aqueous solution) ine pressure ye 0.1 kusvika 0.3 MPa inoyerera pakati pe workpiece uye cathode. Kana magetsi eDC akabatidzwa, maburrs anonyungudika muanode obviswa, otorwa ne electrolyte.
Iyo electrolyte inoparadza kune imwe nhanho, uye iyo workpiece inofanirwa kucheneswa uye nekuvharwa-kuvharwa mushure mekubvisa. Electrolytic deburring yakakodzera kubvisa mabhura kubva mumakomba emuchinjiko muzvikamu zvakavanzika kana zvikamu zvine maumbirwo akaomarara. Iyo ine hunyanzvi hwekugadzira uye nguva yekubvisa kazhinji inongotora mashoma mashoma kusvika makumi emasekonzi.
Iyi nzira inowanzoshandiswa pakugadzirisa magiya, splines, tambo dzekubatanidza, miviri yevharuvhu uye crankshaft mafuta ndima inovhurika, pamwe nekona yakapinza kutenderedza, etc. Iyo yakaipa ndeyokuti zvikamu zviri pedyo nemaburrs zvinokanganiswawo ne electrolysis, uye pamusoro pacho. kurasikirwa nekupenya kwayo kwepakutanga uye kunyange kukanganisa kurongeka kwedimensional.
Ehe, mukuwedzera kune electrolytic burr kubviswa, kune zvakare anotevera akakosha maburr ekubvisa nzira:
1. Abrasive flow deburring
Abrasive flow machining tekinoroji (AFM) inzira nyowani yekupedzisa uye yekubvisa yakagadziridzwa kunze kwenyika mukupera kwema1970. Iyi nzira inonyanya kukodzera mabhura achangopinda muchikamu chekupedzisa, asi haakodzeri maburi maduku uye marefu uye simbi molds yakavharwa pasi. etc. hazvina kukodzera kugadziriswa.
2. Magnetic kugaya uye deburring
Nzira iyi yakatanga mune yaimbove Soviet Union, Bulgaria nedzimwe nyika dzeEastern Europe kuma1960. Pakati pe-1980s, vagadziri veJapan vakaita tsvakurudzo yakadzama pamusoro pemashandisirwo ayo uye mashandisirwo.
Munguva yekukuya magineti, iyo workpiece inoiswa mune iyo magineti inoumbwa neaviri magineti matanda, uye magineti abrasives anoiswa mugevha pakati pechishandiso nemagineti pole. Iwo mabrasives akarongedzerwa zvakanaka achitevedza gwara remagineti mitsara pasi pekuita kwesimba remagineti, achigadzira yakapfava uye yakaoma magineti yekukuya muchina. Brush, apo workpiece inotenderera uye inodedera axially mumunda wemagineti, iyo workpiece uye abrasive kufamba kune imwe neimwe, uye abrasive brashi inokuya pamusoro pebasa rekushanda; iyo magnetic grinding nzira inogona kugaya uye deburr zvikamu zvinobudirira uye nekukurumidza, uye inokodzera Iyo inzira yekupedzisa nekudyara kwakaderera, kushanda kwepamusoro, kushandiswa kwakafara uye kunaka kwakanaka kwezvikamu zvakaitwa nezvinhu zvakasiyana, saizi uye zvimiro.
Parizvino, nyika dzekunze dzinogona kukuya nekubvisa mukati nekunze kwemuviri unotenderera, zvikamu zvakatsetseka, mazino egiya, nzvimbo dzakaoma, nezvimwewo, kubvisa chiyero cheoxide pamawaya, uye kuchenesa mabhodhi edunhu akadhindwa, nezvimwe.
3. Thermal deburring
Thermal deburring (TED) inoshandisa tembiricha yepamusoro inogadzirwa nekudzikira kwemusanganiswa wehydrogen neokisijeni gasi kana okisijeni uye gasi rechisikigo kupisa maburrs. Iko kupfuudza okisijeni neokisijeni kana gasi rechisikigo uye okisijeni mumudziyo wakavharwa, uye kuipisa kuburikidza ne spark plug, kuitira kuti musanganiswa unoputika pakarepo uye unobudisa simba guru rekupisa kubvisa burrs. Nekudaro, mushure mekunge iyo workpiece ichipisa zvinoputika, hupfu hwayo hune oxidized huchanamatira pamusoro peiyo workpiece uye inofanira kucheneswa kana kubikwa.
4. MiLa ine simba ultrasonic deburring
MiLa ine simba ultrasonic deburring tekinoroji inzira yekubvisa iyo yave yakakurumbira mumakore achangopfuura. Kushanda kwekuchenesa kwega ndiko kagumi kusvika makumi maviri kune yeakajairika ultrasonic yekuchenesa michina. Makomba akagoverwa zvakaenzana mutangi remvura, kubvisa kudiwa kwekuchenesa kwe ultrasonic. Iyo dosage inogona kupedzwa panguva imwe chete mukati me5 kusvika kumaminitsi gumi nemashanu.
Isu takanyora nzira gumi dzakajairika dzekubvisa kumunhu wese:
1) Manual deburring
Iyi inzirawo inowanzoshandiswa nemabhizimusi eruzhinji, achishandisa mafaira, sandpaper, kukuya misoro, nezvimwewo sezvishandiso zvekubatsira. Mafaira ane manyorero ekunyora uye pneumatic shifting.
Muchidimbu kutaura: Mutengo wevashandi unodhura, kushanda nesimba hakuna kunyanya, uye zvakaoma kubvisa makomba akaomarara. Izvo zvinodiwa zvehunyanzvi zvevashandi hazvina kukwirira zvakanyanya, uye zvakakodzerwa nezvigadzirwa zvine mabhuru madiki uye akareruka zvigadzirwa zvimiro.
2) Die deburring
Shandisa die uye punch kubvisa burrs.
Pfupiso yekutaura: Imwe punching die (rough die + fine punching die) muripo wekugadzira unodiwa, uye kuumba kufa kungangodiwawo. Inokodzera zvigadzirwa zvine nzvimbo dzakareruka dzekuparadzana, uye kushanda nesimba uye kubvisa mhedzisiro kuri nani pane basa remaoko.
3) Kukuya uye kubvisa
Rudzi urwu rwekubvisa runosanganisira vibration, sandblasting, roller nedzimwe nzira, dziri kushandiswa nemakambani mazhinji parizvino.
Muchidimbu kutaura: Pane dambudziko rekuti kubvisa hakuna kuchena zvakanyanya, uye zvingave zvakafanira kubata nemaoko nemaburrs asara kana kushandisa dzimwe nzira kubvisa maburrs. Inokodzera zvigadzirwa zvidiki zvine mabheti makuru.
4) Frozen deburring
Shandisa kutonhora kukurumidza kumisa maburrs, uye wobva wapfapfaidza projectiles kubvisa maburrs.
Muchidimbu kutaura: Mutengo wemidziyo ungangoita 20,000 kusvika 300,000 yuan; inokodzera zvigadzirwa zvine diki burr madziro ukobvu uye zvidiki zvigadzirwa.
5) Kupisa kunopisa deburring
Iyo inonziwo thermal deburring uye kuputika deburring. Nekupfuudza imwe gasi rinopisa muchoto chemidziyo, uyezve kuburikidza nekuita kweimwe midhiya nemamiriro ezvinhu, gasi rinoputika pakarepo, uye simba rinogadzirwa nekuputika rinoshandiswa kunyungudutsa nekubvisa maburrs.
Muchidimbu kutaura: Midziyo inodhura (mitengo mumamiriyoni), inoda hunyanzvi hwekushandisa, ine yakaderera, uye ine mhedzisiro (ngura, deformation); inonyanya kushandiswa mune dzimwe nzvimbo dzepamusoro-chaizvo zvikamu, senge mota uye aerospace precision zvikamu.
6) Engraving muchina deburring
Muchidimbu kutaura: Midziyo yacho haina kudhura zvakanyanya (makumi ezviuru), uye inokodzera maapplication uko nzvimbo yekumisikidza iri nyore uye nzvimbo dzinodiwa dzekubvisa dziri nyore uye dzenguva dzose.
7) Kemikari deburring
Uchishandisa iyo musimboti we electrochemical reaction, zvikamu zvinogadzirwa nesimbi zvinhu zvinogona kuve otomatiki uye zvakasarudzwa kubviswa.
Muchidimbu kutaura: Inokodzera mabhura emukati anonetsa kubvisa, uye anokodzera mabhuru madiki (ukobvu pasi pe7 waya) pamitumbi yepombi, miviri yevharuvhu uye zvimwe zvigadzirwa.
8) Electrolytic deburring
Iyo electrolytic machining nzira inoshandisa electrolysis kubvisa burrs kubva kusimbi zvikamu.
Mhedziso pfupi: Iyo electrolyte inoparadza kune imwe nhanho, uye zvikamu zviri pedyo nemabhura zvinokanganiswawo ne electrolysis. Iyo yepamusoro icharasikirwa nekupenya kwayo kwepakutanga uye kunyange kukanganisa kurongeka kwedimensional. Iyo workpiece inofanirwa kucheneswa uye kuvharwa-kuvharwa mushure mekubvisa. Electrolytic deburring yakakodzera kubvisa mabhura kubva mumakomba emuchinjiko muzvikamu zvakavanzika kana zvikamu zvine maumbirwo akaomarara. Iyo ine hunyanzvi hwekugadzira uye nguva yekubvisa kazhinji inongotora mashoma mashoma kusvika makumi emasekonzi. Inokodzera magiya ekubvisa, tsvimbo dzekubatanidza, miviri yevharuvhu uye crankshaft mafuta ndima yekuvhura, pamwe nekupinza kona kutenderera, nezvimwe.
9) High pressure water jet deburring
Kushandisa mvura senge svikiro, simba rayo repakarepo rinogona kushandiswa kubvisa maburrs uye flash inogadzirwa mushure mekugadzirisa, uye panguva imwechete kuzadzisa chinangwa chekuchenesa.
Muchidimbu kutaura: Midziyo inodhura uye inonyanya kushandiswa mumoyo wemotokari uye hydraulic control system yemuchina wekuvaka.
10) Ultrasonic deburring
Ultrasonic masaisai anogadzira pakarepo high pressure kubvisa burrs.
Mhinduro pfupi: Kunyanya kune mamwe ma microscopic burrs. Kazhinji, kana maburrs achida kucherechedzwa ne microscope, unogona kuedza kushandisa ultrasonic nzira yekuabvisa.
Nguva yekutumira: Nov-16-2023
