Burrs ndi nkhani wamba mu processing zitsulo. Mosasamala kanthu za zida zolondola zomwe zimagwiritsidwa ntchito, ma burrs amapangidwa pazomaliza. Ndizotsalira zazitsulo zochulukirapo zomwe zimapangidwa m'mphepete mwa zinthu zomwe zakonzedwa chifukwa cha kupindika kwa pulasitiki, makamaka pazinthu zokhala ndi ductility kapena kulimba.
Mitundu yayikulu ya ma burrs ndi ma burrs akuthwa, ma burrs akuthwa, ndi ma splashes. Zotsalira zazitsulo zotulukazi sizimakwaniritsa zofunikira za kapangidwe kazinthu. Pakali pano, palibe njira yabwino yothetsera nkhaniyi pakupanga. Chifukwa chake, mainjiniya amayenera kuyang'ana kwambiri pakuchotsa ma burrs pambuyo pake kuti awonetsetse kuti chinthucho chikukwaniritsa zofunikira. Pali njira ndi zida zosiyanasiyana zochotsera ma burrs pazinthu zosiyanasiyana.
Nthawi zambiri, njira zochotsera ma burrs zitha kugawidwa m'magulu anayi:
1. Magulu ang'onoang'ono (kukhudzana kwambiri)
Gululi limaphatikizapo kudula, kupera, kusefera, ndi kukwapula.
2. Makalasi wamba (kulumikizana mofewa)
Gululi limaphatikizapo kugaya lamba, kupukuta, kugaya zotanuka, kugaya magudumu, ndi kupukuta.
3. Mlingo wolondola (kulumikizana kosinthika)
Gululi limaphatikizapo kupukuta, kukonza ma electrochemical, kupera kwa electrolytic, ndikugudubuza.
4. Mlingo wolondola kwambiri (kulumikizana kolondola)
Gululi limaphatikizapo njira zosiyanasiyana zochotsera, monga kutulutsa kwa abrasive, maginito akupera, electrolytic deburring, thermal deburring, ndi wandiweyani radium yokhala ndi ultrasonic deburring yamphamvu. Njirazi zimatha kukwaniritsa kulondola kwapang'onopang'ono.
Posankha njira yochotsera, ndikofunikira kuganizira zinthu zosiyanasiyana, kuphatikiza mawonekedwe a zigawozo, mawonekedwe ake, kukula kwake, ndi kulondola kwake, komanso kulabadira kwambiri kusintha kwa roughness pamwamba, kulolerana kwa mawonekedwe, kusinthika, ndi zotsalira. nkhawa.
Electrolytic deburring ndi njira yamankhwala yomwe imagwiritsidwa ntchito pochotsa ma burrs kumadera achitsulo pambuyo pokonza, kugaya, kapena kupondaponda. Ikhozanso kuzungulira kapena kusokoneza mbali zakuthwa za mbalizo. M’Chingerezi, njira imeneyi imatchedwa ECD, kutanthauza kuti Electrolytic Capacitive Discharge. Panthawiyi, cathode ya chida (yomwe nthawi zambiri imapangidwa ndi mkuwa) imayikidwa pafupi ndi gawo lophulika la workpiece ndi kusiyana kwa nthawi zambiri 0.3-1 mm pakati pawo. The conductive mbali ya chida cathode limagwirizana ndi m'mphepete mwa burr, ndi malo ena yokutidwa ndi wosanjikiza insulating kuti maganizo electrolytic kanthu pa burr.
Cathode ya chida imalumikizidwa ndi mtengo woyipa wamagetsi a DC, pomwe chogwirira ntchito chimalumikizidwa ndi mtengo wabwino. Electrolyte yotsika kwambiri (nthawi zambiri sodium nitrate kapena sodium chlorate aqueous solution) yokhala ndi mphamvu ya 0.1-0.3MPa imayenda pakati pa chogwirira ntchito ndi cathode. Pamene magetsi a DC atsegulidwa, ma burrs amachotsedwa ndi kusungunuka kwa anode ndikutengedwa ndi electrolyte.
Pambuyo pochotsa, chogwiriracho chiyenera kutsukidwa ndi kutsukidwa ndi dzimbiri chifukwa electrolyte imawononga kwambiri. Electrolytic deburring ndiyoyenera kuchotsa ma burrs kuchokera kumabowo obisika opingasa kapena magawo owoneka bwino ndipo amadziwika chifukwa chakuchita bwino kwambiri, nthawi zambiri amatenga masekondi angapo mpaka makumi amasekondi kuti amalize ntchitoyi. Njirayi imagwiritsidwa ntchito kwambiri pochotsa magiya, ma splines, ndodo zolumikizira, ma valve, mipata yamafuta a crankshaft, ndikuzungulira ngodya zakuthwa. Komabe, chotsalira cha njirayi ndi chakuti malo ozungulira burr amakhudzidwanso ndi electrolysis, kuchititsa kuti pamwamba pakhale kutaya gloss yake yoyambirira komanso zomwe zingakhudze kulondola kwa dimensional.
Kuphatikiza pa electrolytic deburring, pali njira zina zingapo zapadera zochotsera:
1. Njere za abrasive zimayenda mpaka kuwononga
Ukadaulo wa Abrasive flow processing ndi njira yatsopano yomalizitsira bwino ndikuchotsa zomwe zidapangidwa kunja kumapeto kwa zaka za m'ma 1970. Ndizothandiza makamaka pochotsa ma burrs kumapeto kwa kupanga. Komabe, sizoyenera kukonza mabowo ang'onoang'ono, aatali, kapena nkhungu zachitsulo zomwe zatseka pansi.
2. Magnetic akupera kuti deburr
Kugaya kwa maginito pofuna kuwotcha kunachokera kumayiko omwe kale anali Soviet Union, Bulgaria, ndi mayiko ena a Kum'mawa kwa Ulaya m'ma 1960. Pakatikati mwa zaka za m'ma 1980, kafukufuku wozama pamakina ake ndi momwe amagwiritsira ntchito adachitidwa ndi Niche.
Pamaginito akupera, workpiece imayikidwa mu mphamvu ya maginito yopangidwa ndi mitengo iwiri ya maginito. Maginito abrasive amayikidwa mumpata pakati pa workpiece ndi maginito pole, ndipo abrasive amakonzedwa mwaukhondo motsatira njira ya magnetic field line pansi pa mphamvu ya magnetic field kuti apange burashi yofewa komanso yolimba ya maginito. Pamene workpiece atembenuza tsinde mu maginito kugwedera kwa axial kugwedera, workpiece ndi abrasive zinthu zimayenda ndithu, ndi abrasive burashi akupera pamwamba pa workpiece.
Njira yogayira maginito imatha kugaya mwachangu komanso mwachangu ndikuchotsa mbali, ndipo ndiyoyenera magawo azinthu zosiyanasiyana, makulidwe angapo, ndi zida zosiyanasiyana. Ndi njira yomaliza yokhala ndi ndalama zochepa, kuchita bwino kwambiri, kugwiritsa ntchito kwambiri, komanso khalidwe labwino.
Pakalipano, makampaniwa atha kupukuta ndi kupukuta malo amkati ndi akunja a rotator, magawo athyathyathya, mano a gear, ma profiles ovuta, ndi zina zotero, kuchotsa sikelo ya oxide pa ndodo ya waya, ndikuyeretsa bolodi losindikizidwa.
3. Thermal deburring
Thermal deburring (TED) ndi njira yomwe imagwiritsa ntchito haidrojeni, okosijeni, kapena chisakanizo cha gasi wachilengedwe ndi okosijeni kuyatsa ziboliboli pa kutentha kwambiri. Njirayi imaphatikizapo kulowetsa mpweya ndi mpweya wachilengedwe kapena mpweya wokha mu chidebe chotsekedwa ndikuchiwotcha kupyolera mu spark plug, kuchititsa kuti kusakaniza kuphulika ndikutulutsa mphamvu zambiri za kutentha zomwe zimachotsa burrs. Komabe, workpiece itatha kuwotchedwa ndi kuphulika, ufa wotsekemera umamatira pamwamba paCNC mankhwalandipo ayenera kutsukidwa kapena kuzifutsa.
4. Miradium wamphamvu akupanga deburring
Tekinoloje yamphamvu ya Milarum yotulutsa ma ultrasonic deburring yakhala njira yotchuka m'zaka zaposachedwa. Imadzitamandira ndi ntchito yoyeretsa yomwe ndi 10 mpaka 20 kuposa ya oyeretsa wamba akupanga. Thanki idapangidwa ndi mapanga osakanikirana komanso ogawanika kwambiri, kulola kuti akupanga njira yomaliza mu mphindi 5 mpaka 15 popanda kufunikira koyeretsa.
Nazi njira khumi zodziwika bwino za deburr:
1) Kuchotsa pamanja
Njirayi imagwiritsidwa ntchito kwambiri ndi mabizinesi wamba, kugwiritsa ntchito mafayilo, sandpaper, ndi mitu yopera ngati zida zothandizira. Mafayilo amanja ndi zida za pneumatic zilipo.
Mtengo wogwirira ntchito ndi wokwera, ndipo magwiridwe antchito atha kuwongolera, makamaka pochotsa mabowo ovuta. Zofunikira zaukadaulo kwa ogwira ntchito sizofunikira kwambiri, zomwe zimapangitsa kuti zikhale zoyenera kwazinthu zokhala ndi ma burrs ang'onoang'ono komanso zida zosavuta.
2) Kuchepetsa kufa
Chojambulacho chimagwiritsidwa ntchito kutulutsa ndi punch press. Imakhala ndi chindapusa chopangira chakufa (kuphatikiza kufa movutikira komanso kupondaponda bwino) ndipo zingafunikenso kupanga chojambula. Njirayi ndiyoyenera kwambiri pazinthu zomwe zili ndi malo olekanitsa osavuta, ndipo imapereka zotsatira zabwinoko komanso zowongolera poyerekeza ndi ntchito yamanja.
3) Kupera mpaka deburr
Kuchotsa kwamtunduwu kumaphatikizapo njira monga ng'oma zogwedeza ndi mchenga, ndipo zimagwiritsidwa ntchito kwambiri ndi mabizinesi. Komabe, sizingachotsere zolakwika zonse, zomwe zimafuna kumalizidwa pamanja kapena kugwiritsa ntchito njira zina kuti mupeze zotsatira zoyeretsa. Njirayi ndi yoyenera kwa ang'onoang'onokutembenuza zigawoopangidwa mochuluka.
4) Kuchepetsa kutentha
Kuziziritsa kumagwiritsidwa ntchito kuti asungunuke mwachangu ma burrs, kenako projectile imatulutsidwa kuti ichotse ma burrs. Zipangizozi zimawononga ndalama zokwana madola zikwi ziwiri mpaka mazana atatu ndipo ndizoyenera pazinthu zokhala ndi makoma ang'onoang'ono a burr ndi kukula kwake kochepa.
5) Kuphulika kwamoto kuphulika
Thermal energy deburring, yomwe imadziwikanso kuti explosion deburring, imaphatikizapo kutsogolera gasi wopanikizika mung'anjo ndikupangitsa kuti iphulike, ndi mphamvu zomwe zimagwiritsidwa ntchito kusungunula ndi kuchotsa ma burrs.
Njira imeneyi ndi yokwera mtengo, yaukadaulo, komanso yosagwira ntchito bwino ndipo imatha kuyambitsa dzimbiri komanso kupunduka. Amagwiritsidwa ntchito makamaka popanga zida zolondola kwambiri, makamaka m'mafakitale monga zamagalimoto ndi ndege.
6) Kusintha kwa makina osindikizira
Zidazi ndi zamtengo wapatali (makumi zikwizikwi) ndipo ndizoyenera kuzinthu zokhala ndi malo osavuta komanso malo owongolera komanso okhazikika.
7) Chemical deburing
Kutengera mfundo ya electrochemical reaction, ntchito deburring ikuchitika basi ndi kusankha pa zitsulo mbali.
Njirayi ndi yabwino kuchotsa ma burrs amkati omwe ndi ovuta kuchotsa, komanso ma burrs ang'onoang'ono (mawaya osakwana asanu ndi awiri mu makulidwe) kuchokera kuzinthu monga matupi a pampu ndi matupi a valve.
8) Electrolytic deburring
Electrolytic Machining ndi njira yomwe imagwiritsa ntchito electrolysis kuchotsa ma burrs ku ziwalo zachitsulo. Electrolyte yomwe imagwiritsidwa ntchito pochita izi ndi yowononga, ndipo imayambitsa electrolysis pafupi ndi burr, zomwe zingapangitse kuti mbaliyo iwonongeke komanso kusokoneza kulondola kwake.
Electrolytic deburring ndiyoyenera kuchotsa ma burrs m'malo obisika a mabowo opingasa kapena mkatikuponya ziwalondi mawonekedwe ovuta. Zimapereka mphamvu zambiri zopanga, zomwe nthawi zambiri zimakhala kuyambira masekondi angapo mpaka makumi amasekondi. Njirayi ndiyoyenera kuthamangitsa magiya, ndodo zolumikizira, ma valve, ma orifices ozungulira mafuta a crankshaft, ndikuzungulira ngodya zakuthwa.
9) Kuthamanga kwa ndege yamadzi othamanga kwambiri
Madzi akagwiritsidwa ntchito ngati sing'anga, mphamvu yake yaposachedwa imagwiritsidwa ntchito kuthetsa ma burrs ndi kuwalitsa pambuyo pokonza. Njirayi imathandizanso kukwaniritsa cholinga choyeretsa.
Zipangizozi ndizokwera mtengo ndipo zimagwiritsidwa ntchito makamaka pamakina amagalimoto komanso makina owongolera ma hydraulic pamakina omanga.
10) Akupanga deburring
Akupanga mafunde kulenga yomweyo mkulu kuthamanga kuthetsa burrs. Amagwiritsidwa ntchito makamaka ngati ma burrs ang'onoang'ono; ngati angafunike kuyang'anitsitsa ndi maikulosikopu, ultrasound ingagwiritsidwe ntchito kuchotsa.
Ngati mukufuna kudziwa zambiri kapena kufunsa, chonde omasuka kulumikizananiinfo@anebon.com
Wopanga China Hardware ndi mbali prototyping, kotero Anebon komanso mosalekeza ntchito. Timaganizira zapamwamba kwambiriCNC Machining mankhwalandipo amazindikira kufunika koteteza chilengedwe; zambiri zamalonda ndi zopanda kuipitsa, zinthu zokonda zachilengedwe, ndipo timazigwiritsanso ntchito ngati njira zothetsera. Anebon yasintha kalozera wathu kuti adziwitse gulu lathu. n mwatsatanetsatane ndikuphatikiza zinthu zoyambirira zomwe timapereka pakadali pano; mutha kupitanso patsamba lathu, lomwe likukhudzana ndi mzere wathu waposachedwa kwambiri. Anebon ikuyembekeza kukonzanso mgwirizano wamakampani athu.
Nthawi yotumiza: Sep-19-2024