Kodi ubwino zoonekeratu za mbali CNC ntchito zitsulo zosapanga dzimbiri monga zopangira poyerekeza zitsulo ndi zitsulo zotayidwa aloyi?
Chitsulo chosapanga dzimbiri ndi chisankho chabwino kwambiri pazogwiritsa ntchito zosiyanasiyana chifukwa cha mawonekedwe ake apadera.Imalimbana ndi dzimbiri, zomwe zimapangitsa kuti ikhale yabwino kugwiritsidwa ntchito m'malo ovuta kwambiri monga am'madzi, azamlengalenga, ndi mafakitale opanga mankhwala.Mosiyana ndi zitsulo ndi zitsulo zotayidwa, chitsulo chosapanga dzimbiri sichichita dzimbiri kapena kuwononga mosavuta, zomwe zimawonjezera moyo wautali ndi kudalirika kwa ziwalozo.
Chitsulo chosapanga dzimbiri chimakhalanso champhamvu modabwitsa komanso cholimba, chofanana ndi zitsulo zachitsulo komanso kupitilira mphamvu zama aluminiyamu.Izi zimapangitsa kukhala njira yabwino pamapulogalamu omwe amafunikira kulimba komanso kusamalidwa bwino kwamapangidwe, monga magalimoto, ndege, ndi zomangamanga.
Phindu lina la zitsulo zosapanga dzimbiri ndikuti limakhalabe ndi makina ake pa kutentha kwakukulu komanso kotsika.Izi zimapangitsa kuti zikhale zoyenera kwa mapulogalamu omwe amakumana ndi kutentha kwakukulu.Mosiyana ndi zimenezi, zotayira za aluminiyamu zimatha kukhala ndi mphamvu zochepa pakatentha kwambiri, ndipo chitsulo chikhoza kuwonongeka ndi dzimbiri pa kutentha kwakukulu.
Chitsulo chosapanga dzimbiri chimakhalanso chaukhondo komanso chosavuta kuyeretsa.Izi zimapangitsa kukhala chisankho choyenera kwa ntchito zamafakitale azachipatala, azamankhwala, ndi kukonza zakudya komwe ukhondo ndi wofunikira.Mosiyana ndi chitsulo, chitsulo chosapanga dzimbiri sichifuna zokutira zowonjezera kapena mankhwala kuti akhalebe aukhondo.
Ngakhale chitsulo chosapanga dzimbiri chili ndi zabwino zambiri, zovuta zake zogwirira ntchito sizinganyalanyazidwe.
Zovuta pokonza zitsulo zosapanga dzimbiri makamaka zimaphatikizapo zinthu izi:
1. Mphamvu yodula kwambiri komanso kutentha kwakukulu
Nkhaniyi imakhala ndi mphamvu zambiri komanso kupanikizika kwakukulu, ndipo imakhala ndi kusintha kwakukulu kwa pulasitiki panthawi yodula, zomwe zimapangitsa kuti pakhale mphamvu yodula kwambiri.Kuphatikiza apo, zinthuzo zimakhala ndi ma conductivity otsika amafuta, zomwe zimapangitsa kuti kutentha kukwera.Kutentha kwapamwamba nthawi zambiri kumayikidwa m'dera lopapatiza pafupi ndi chida chodula, zomwe zimapangitsa kuti chidacho chiwonongeke.
2. Kulimbikira ntchito
Chitsulo chosapanga dzimbiri cha Austenitic ndi zitsulo zosapanga dzimbiri zotentha kwambiri zimakhala ndi mawonekedwe austenitic.Zidazi zimakhala ndi chizolowezi chogwira ntchito molimbika panthawi yodula, nthawi zambiri kuposa chitsulo wamba wamba.Chotsatira chake, chida chodulira chimagwira ntchito m'dera lovuta kwambiri, lomwe limafupikitsa moyo wa chida.
3. Zosavuta kumamatira ku mpeni
Zitsulo zosapanga dzimbiri za austenitic ndi zitsulo zosapanga dzimbiri za martensitic zimagawana mawonekedwe opangira tchipisi zolimba komanso kutulutsa kutentha kwambiri pamene akukonzedwa.Izi zitha kupangitsa kuti adhesion, kuwotcherera, ndi zinthu zina zomata zomwe zingasokoneze kuuma kwa pamwambazida zamakina.
4. Kuvala kwachangu kwa zida
Zida zomwe tazitchula pamwambapa zili ndi zinthu zosungunuka kwambiri, zimatha kusungunuka kwambiri, ndipo zimatulutsa kutentha kwambiri.Zinthu izi zimapangitsa kuti zida ziwonongeke, zomwe zimafunikira kukulitsa zida pafupipafupi ndikuzisintha.Izi zimasokoneza magwiridwe antchito ndikuwonjezera mtengo wogwiritsa ntchito zida.Pofuna kuthana ndi izi, tikulimbikitsidwa kuchepetsa liwiro la mzere wodula ndi chakudya.Kuonjezera apo, ndi bwino kugwiritsa ntchito zida zomwe zimapangidwira pokonza zitsulo zosapanga dzimbiri kapena ma alloys otentha kwambiri, komanso kugwiritsa ntchito kuzirala kwamkati pobowola ndi kugogoda.
zitsulo zosapanga dzimbiri mbali processing luso
Kupyolera mu kusanthula pamwamba pa zovuta processing, teknoloji processing ndi zogwirizana chida chizindikiro kamangidwe zitsulo zosapanga dzimbiri ayenera kukhala osiyana kwambiri ndi wamba structural zitsulo zipangizo.Ukadaulo wapadera wa processing uli motere:
1. Kubowola processing
Pobowola zitsulo zosapanga dzimbiri, kukonza dzenje kumakhala kovuta chifukwa cha kusayenda bwino kwamafuta komanso modulus yaying'ono yotanuka.Pofuna kuthana ndi vutoli, zida zoyenera ziyenera kusankhidwa, magawo oyenera a geometric a chida ayenera kutsimikiziridwa, ndikudula kuchuluka kwa chidacho.Zobowola zopangidwa ndi zinthu monga W6Mo5Cr4V2Al ndi W2Mo9Cr4Co8 zimalimbikitsidwa pobowola mitundu iyi.
Zobowola zopangidwa ndi zida zapamwamba zimakhala ndi zovuta zina.Iwo ndi okwera mtengo komanso ovuta kugula.Mukamagwiritsa ntchito W18Cr4V yobowola zitsulo zothamanga kwambiri, pali zofooka zina.Mwachitsanzo, mbali ya vertex ndi yaying'ono kwambiri, tchipisi tating'onoting'ono tomwe timapanga timatambalala kwambiri kuti singatulutsidwe mu dzenje pakapita nthawi, ndipo madzi odulira sangathe kuziziritsa pobowola mwachangu.Kuphatikiza apo, chitsulo chosapanga dzimbiri, chomwe chimakhala chosayendetsa bwino matenthedwe, chimapangitsa kuti pakhale kutentha kocheperako.Izi zitha kupangitsa kuti mbali ziwiri za m'mbali mwake ziwotchedwe komanso kutsetsereka, ndikuchepetsa moyo wautumiki wa pobowola.
1) Chida chopangira mawonekedwe a geometric Pobowola ndi W18Cr4V Mukamagwiritsa ntchito pobowola chitsulo chothamanga kwambiri, mphamvu yodulira ndi kutentha zimakhazikika pansonga yobowola.Kupititsa patsogolo kulimba kwa gawo lodula la kubowola, titha kuwonjezera ngodya ya vertex kufika pafupifupi 135 ° ~ 140 °.Izi zichepetsanso mbali yakunja ya m'mphepete mwake ndikuchepetsa tchipisi tobowola kuti zikhale zosavuta kuzichotsa.Komabe, kukulitsa ngodya ya vertex kumapangitsa m'mphepete mwa chisel chobowola kukhala chachikulu, zomwe zimapangitsa kuti musamadulidwe kwambiri.Choncho, tiyenera akupera chisel m'mphepete mwa kubowola pang'ono.Pambuyo popera, ngodya ya bevel ya m'mphepete mwa chisel iyenera kukhala pakati pa 47 ° mpaka 55 °, ndipo ngodyayo ikhale 3 ° ~ 5 °.Pamene tikupera m'mphepete mwa chisel, tiyenera kuzungulira ngodya pakati pa mphepete ndi cylindrical pamwamba kuti tiwonjeze mphamvu ya m'mphepete mwa chisel.
Zida zachitsulo zosapanga dzimbiri zimakhala ndi zotanuka modulus yaying'ono, kutanthauza kuti chitsulo pansi pa chip wosanjikiza chimakhala ndi kuchira kokulirapo komanso kuumitsa ntchito panthawi yokonza.Ngati mbali ya chilolezoyo ndi yaying'ono kwambiri, kuvala kwa nthiti zobowolerako kumathamangitsidwa, kutentha kwachangu kumawonjezeka, ndipo moyo wa kubowola udzachepetsedwa.Choncho, m'pofunika kuonjezera mbali ya chithandizo moyenera.Komabe, ngati mbali ya chithandizo ndi yayikulu kwambiri, m'mphepete mwabowolo umakhala woonda, ndipo kulimba kwa m'mphepete mwake kudzachepetsedwa.Mbali yopumula ya 12 ° mpaka 15 ° nthawi zambiri imakonda.Kuti muchepetse tchipisi tobowola ndikuthandizira kuchotsa tchipisi, mpofunikanso kuti mutsegule ma chip grooves pa mbali ziwiri zakumbali za pobowola.
2) Posankha kuchuluka kwa kudula pobowola, kusankha kwa Pankhani yodula, poyambira kuyenera kukhala kuchepetsa kutentha.Kudula kothamanga kwambiri kumapangitsa kuti kutentha kuchuluke, komwe kumawonjezera kuvala kwa zida.Choncho, mbali yofunika kwambiri ya kudula ndi kusankha yoyenera kudula liwiro.Nthawi zambiri, liwiro lodulira lomwe limalimbikitsidwa ndi 12-15m / min.Mlingo wa chakudya, kumbali ina, uli ndi mphamvu zochepa pa moyo wa zida.Komabe, ngati kuchuluka kwa chakudya kumakhala kotsika kwambiri, chidacho chimadula mugawo lowumitsidwa, lomwe limawonjezera kuvala.Ngati chakudyacho chili chokwera kwambiri, kuuma kwapamtunda kumawonjezerekanso.Poganizira zinthu ziwiri zomwe zili pamwambazi, mlingo wovomerezeka wa chakudya uli pakati pa 0.32 ndi 0.50mm / r.
3) Kudula kusankha kwamadzimadzi: Pofuna kuchepetsa kutentha kwapakati pakubowola, emulsion ingagwiritsidwe ntchito ngati sing'anga yozizira.
2. Reaming processing
1) Pokonzanso zitsulo zosapanga dzimbiri, ma carbide reamers amagwiritsidwa ntchito kwambiri.Mapangidwe a remer ndi magawo a geometric amasiyana ndi a reamers wamba.Pofuna kupewa kutsekeka kwa chip panthawi yokonzanso ndikuwonjezera mphamvu ya mano ocheka, chiwerengero cha mano a reamer nthawi zambiri chimakhala chochepa.Mlingo wa remer nthawi zambiri umakhala pakati pa 8 ° mpaka 12 °, ngakhale nthawi zina, ngodya ya 0 ° mpaka 5 ° ingagwiritsidwe ntchito kukwaniritsa kuthamanga kwambiri.Ngongole yovomerezeka nthawi zambiri imakhala yozungulira 8 ° mpaka 12 °.
Waukulu declination ngodya amasankhidwa malinga ndi dzenje.Nthawi zambiri, pa dzenje, ngodya ndi 15 ° mpaka 30 °, pamene osadutsa dzenje ndi 45 °.Kuti mutulutse tchipisi kutsogolo mukamabwereranso, mbali yokhotakhota m'mphepete imatha kuonjezedwa pafupifupi 10 ° mpaka 20 °.Kutalika kwa tsamba kuyenera kukhala pakati pa 0.1 mpaka 0.15mm.The inverted taper pa reamer iyenera kukhala yayikulu kuposa ya reamers wamba.Ma carbide reamers nthawi zambiri amakhala 0.25 mpaka 0.5mm / 100mm, pomwe zitsulo zothamanga kwambiri ndi 0.1 mpaka 0.25mm / 100mm potengera taper yawo.
Gawo lowongolera la reamer nthawi zambiri limakhala 65% mpaka 80% yautali wa reamers wamba.Kutalika kwa cylindrical part nthawi zambiri kumakhala 40% mpaka 50% ya ma reamers wamba.
2) Pokonzanso, ndikofunika kusankha chakudya choyenera, chomwe chiyenera kukhala pakati pa 0.08 mpaka 0.4mm / r, ndi liwiro locheka, lomwe liyenera kukhala pakati pa 10 mpaka 20m / min.Chiwongoladzanja chobwezeretsanso chiyenera kukhala pakati pa 0.2 mpaka 0.3mm, pamene chiwongoladzanja chokwanira chiyenera kukhala pakati pa 0.1 mpaka 0.2mm.Ndibwino kuti mugwiritse ntchito zida za carbide pakubwezeretsanso movutikira, ndi zida zachitsulo zothamanga kwambiri pokonzanso bwino.
3) Posankha madzi odulira opangira zitsulo zosapanga dzimbiri, mafuta otayika kwathunthu kapena molybdenum disulfide angagwiritsidwe ntchito ngati sing'anga yozizira.
3. Wotopetsa processing
1) Posankha zida zopangira zitsulo zosapanga dzimbiri, ndikofunikira kuganizira mphamvu yayikulu yodulira komanso kutentha.Ma Carbides okhala ndi mphamvu zambiri komanso matenthedwe abwino, monga YW kapena YG carbide, amalimbikitsidwa.Pomaliza, zoyika za YT14 ndi YT15 carbide zitha kugwiritsidwanso ntchito.Zida za Ceramic zitha kugwiritsidwa ntchito pokonza batch.Komabe, ndikofunikira kuzindikira kuti zidazi zimadziwika ndi kulimba kwambiri komanso kulimba kwambiri kwa ntchito, zomwe zimapangitsa kuti chidacho chigwedezeke ndipo zingayambitse kugwedezeka kwapang'onopang'ono pa tsamba.Chifukwa chake, posankha zida za ceramic zodula zidazi, kulimba kwapang'onopang'ono kuyenera kuganiziridwa.Pakadali pano, zinthu za α/βSialon ndizabwinoko chifukwa chokana kwambiri kutentha kwapang'onopang'ono komanso kuvala kwapakati.Yakhala ikugwiritsidwa ntchito bwino podula ma alloys opangidwa ndi faifi tambala, ndipo moyo wake wautumiki umaposa zida zadothi za Al2O3.Zoumba zolimbitsa mashavu a SiC ndi chida chothandiza podulira zitsulo zosapanga dzimbiri kapena ma aloyi opangidwa ndi faifi tambala.
Masamba a CBN (cubic boron nitride) amalimbikitsidwa kuti azikonza mbali zozimitsidwa zopangidwa ndi zinthu izi.CBN ndi yachiwiri kwa diamondi potengera kuuma, ndi mulingo wowuma womwe ungafikire 7000 ~ 8000HV.Imakhala ndi kukana kwamphamvu kwambiri ndipo imatha kupirira kutentha kwambiri mpaka 1200 ° C.Kuphatikiza apo, imakhala yopanda mankhwala ndipo ilibe kugwirizana kwamankhwala ndi zitsulo zamagulu achitsulo pa 1200 mpaka 1300 ° C, zomwe zimapangitsa kuti zikhale zabwino pokonza zipangizo zazitsulo zosapanga dzimbiri.Zida zake zimatha kukhala nthawi yayitali kuposa zida za carbide kapena ceramic.
2) Mapangidwe a zida za geometric ndi zofunika kuti akwaniritse ntchito yodula bwino.Zida za Carbide zimafuna mbali yokulirapo kuti zitsimikizire kuti kudula bwino komanso moyo wautali wa zida.Makona ake ayenera kukhala mozungulira 10 ° mpaka 20 ° popanga movutikira, 15 ° mpaka 20 ° pomaliza theka, ndi 20 ° mpaka 30 ° pomaliza.Mbali yaikulu yokhotakhota iyenera kusankhidwa potengera kulimba kwa ndondomekoyi, yokhala ndi 30 ° mpaka 45 ° kuti ikhale yosasunthika bwino ndi 60 ° mpaka 75 ° ya kusakhazikika bwino.Pamene chiŵerengero cha kutalika ndi m'mimba mwake cha workpiece chikuposa kakhumi, mbali yaikulu yokhotakhota ikhoza kukhala 90 °.
Mukamagwiritsa ntchito zitsulo zosapanga dzimbiri zosapanga dzimbiri zokhala ndi zida za ceramic, mbali yolakwika ya chitsulo imagwiritsidwa ntchito podula, kuyambira -5 ° mpaka -12 °.Izi zimathandiza kulimbitsa tsamba ndipo zimatengera mwayi wogwiritsa ntchito zida za ceramic.Kukula kwa ngodya yopumula kumakhudza mwachindunji kuvala kwa zida ndi mphamvu ya tsamba, zokhala ndi 5 ° mpaka 12 °.Kusintha kwa mbali yayikulu yokhotakhota kumakhudza ma radial ndi axial kudula mphamvu, komanso kudula m'lifupi ndi makulidwe.Popeza kugwedezeka kumatha kuwononga zida zodulira za ceramic, mbali yayikulu yokhotakhota iyenera kusankhidwa kuti ichepetse kugwedezeka, nthawi zambiri kumakhala pakati pa 30 ° mpaka 75 °.
CBN ikagwiritsidwa ntchito ngati chida, zida za geometric ziyenera kukhala ndi ngodya ya 0 ° mpaka 10 °, mbali yopumula ya 12 ° mpaka 20 °, ndi mbali yayikulu yokhotakhota ya 45 ° mpaka 90 °.
3) Pamene mukunola chotengeracho, ndikofunikira kuti mtengowo ukhale wocheperako.Ichi ndi chifukwa pamene chida ali ndi yaing'ono roughness mtengo, kumathandiza kuchepetsa otaya kukana kudula tchipisi ndi kupewa vuto tchipisi kukakamira chida.Kuti muwonetsetse kuti kakali kakang'ono kamtengo wapatali, tikulimbikitsidwa kuti mugaye mosamala kutsogolo ndi kumbuyo kwa chida.Izi zithandizanso kupewa tchipisi tomatira ku mpeni.
4) Ndikofunikira kusunga m'mphepete mwa chida chakuthwa kuti muchepetse kuuma kwa ntchito.Kuonjezera apo, kuchuluka kwa chakudya ndi kuchuluka kwa kudula m'mbuyo kuyenera kukhala koyenera kuti chidacho chisadulidwe muzitsulo zowuma, zomwe zingasokoneze moyo wa chida.
5) Ndikofunika kumvetsera ndondomeko yopera ya chip breaker pamene mukugwira ntchito ndi zitsulo zosapanga dzimbiri.Tchipisi izi zimadziwika chifukwa champhamvu komanso zolimba, kotero chophwanyira chip chomwe chili pamtunda wa chidacho chiyenera kudulidwa bwino.Izi zipangitsa kuti zikhale zosavuta kuthyola, kugwira, ndi kuchotsa tchipisi panthawi yodula.
6) Podula zitsulo zosapanga dzimbiri, tikulimbikitsidwa kugwiritsa ntchito liwiro lotsika komanso kuchuluka kwa chakudya.Potopetsa ndi zida za ceramic, kusankha koyenera kudula ndikofunikira kuti mugwire bwino ntchito.Kwa kudula kosalekeza, kuchuluka kwa kudula kuyenera kusankhidwa kutengera mgwirizano pakati pa kulimba kwa kuvala ndi kuchuluka kwa kudula.Kwa kudula kwapang'onopang'ono, kuchuluka koyenera kodulira kuyenera kutsimikiziridwa kutengera mtundu wa zida zowonongeka.
Popeza zida za ceramic zimakhala ndi kutentha kwambiri komanso kukana kuvala, kukhudzika kwa kuchuluka kwa mavalidwe a zida sikuli kofunikira ngati zida za carbide.Nthawi zambiri, mukamagwiritsa ntchito zida za ceramic, kuchuluka kwa chakudya ndiye chinthu chofunikira kwambiri pakusweka kwa zida.Choncho, pamene wotopetsa zosapanga dzimbiri mbali zitsulo, yesetsani kusankha mkulu kudula liwiro, lalikulu mmbuyo kudula kuchuluka, ndi patsogolo pang'ono, zochokera workpiece zakuthupi ndi kumvera makina chida mphamvu, ndondomeko kuuma dongosolo, ndi mphamvu tsamba.
7) Pogwira ntchito ndi zitsulo zosapanga dzimbiri, ndikofunikira kusankha madzi odulira bwino kuti mutsimikizire kusangalatsa kosangalatsa.Chitsulo chosapanga dzimbiri chimakhala chomangika ndipo chimakhala ndi kutentha kosakwanira, kotero madzi odulidwa omwe amasankhidwa ayenera kukhala ndi kukana kwabwino komanso kutulutsa kutentha.Mwachitsanzo, madzi odulira okhala ndi chlorine wambiri amatha kugwiritsidwa ntchito.
Kuonjezera apo, pali mchere wopanda mafuta, wopanda nitrate wamadzimadzi omwe ali ndi kuzizira kwabwino, kuyeretsa, anti- dzimbiri, ndi zodzoladzola, monga H1L-2 kupanga madzimadzi odula.Pogwiritsa ntchito madzi odulira oyenera, zovuta zomwe zimagwirizanitsidwa ndi zitsulo zosapanga dzimbiri zimatha kugonjetsedwa, zomwe zimapangitsa kuti moyo wa zida ukhale wabwino pakubowola, kukonzanso, komanso kutayitsa, kuchepetsa kukulitsa ndi kusintha kwa zida, kupititsa patsogolo kupanga bwino, komanso kukonza mabowo apamwamba.Izi zitha kuchepetsa kuchulukira kwa ogwira ntchito komanso ndalama zopangira pomwe zikupeza zotsatira zogwira mtima.
Ku Anebon, lingaliro lathu ndikuyika patsogolo khalidwe ndi kukhulupirika, kupereka chithandizo chowona mtima, ndi kuyesetsa kupeza phindu limodzi.Timayesetsa kupanga zabwino kwambiri nthawi zonseanatembenuza zitsulondi microCNC mphero zigawo.Timayamikira kufunsa kwanu ndipo tikuyankhani posachedwa.
Nthawi yotumiza: Apr-24-2024