Kudula Machining Powder Metallurgy (P / M) Magawo

Kugwiritsa ntchito njira zamagetsi zamafuta (P / M) popanga zida zamagetsi zamagalimoto zikukula. Zigawo zopangidwa ndi njira ya P / M zili ndi zabwino zambiri komanso zapadera. Kapangidwe kotsalira kamene katsalira mwadala m'magawo awa ndi kofunikira pakudzipangira kokhazikika komanso kutchinjiriza kwa mawu. Ma alloys ovuta omwe ndi ovuta kapena osatheka kupanga mwa kuponyera kwachikhalidwe amatha kupangidwa pogwiritsa ntchito ukadaulo wa P / M. Zigawo zopangidwa ndi ukadaulo uwu nthawi zambiri zimakhala zochepa kapena zosagwiritsa ntchito, zomwe zimawapangitsa kukhala otsika mtengo komanso ocheperako pazinthu. Tsoka ilo, kuseri kwa zokopa za izi, ziwalo za P / M ndizovuta kupanga makina.

Ngakhale chimodzi mwazolinga zoyambirira zamakampani a P / M ndikuchotsa kukonza konse, cholinga ichi sichinakwaniritsidwe. Magawo ambiri amatha kukhala "pafupi ndi mawonekedwe omaliza" ndipo amafunikirabe kumaliza.

Komabe, poyerekeza ndi kuponyera ndi kukhululuka, zochepa zazing'ono zomwe zimayenera kuchotsedwa pazigawo za P / M ndizomwe zimakhala zosavala.

Kapangidwe kake ndichimodzi mwazinthu zomwe zimapangitsa ziwalo za p / M kukhala ndi ntchito zosiyanasiyana, koma chida chamoyo chidzawonongeka ndi mawonekedwe owoneka bwino. Kapangidwe kake kamatha kusunga mafuta ndi mawu, koma kumathandizanso pakucheka kwapakatikati. Mukasunthira mmbuyo ndikutuluka kuchokera kubowo kupita ku tinthu tolimba, chida chothandizira chimakhala chokhudzidwa mosalekeza, chomwe chingayambitse kufooka kwakung'onong'onong'ono kwambiri ndikugwa m'mphepete mwake. Zowonjezerapo, ma particles nthawi zambiri amakhala ovuta kwambiri. Ngakhale kuuma kwakukulu kwa zinthuzo kuyezedwa kuli pakati pa 20 ndi 35 madigiri, kukula kwake kwa chinthucho kumafika madigiri 60. Tinthu tating'onoting'ono tomwe timayambitsa mavuto kwambiri. Magawo ambiri a p / M amatha kuchira kutentha, ndipo kuuma ndi mphamvu yazinthuzo ndizokwera pambuyo pochizira kutentha. Pomaliza, chifukwa chaukadaulo waukazitape ndi mpweya womwe umagwiritsidwa ntchito, pamwamba pazinthuzo pamakhala ma oxide olimba komanso osavala ndi / kapena ma carbide.

Magwiridwe a ziwalo za P / M

Zambiri mwazinthu zamagulu a P / M, kuphatikiza kusinthika, sizokhudzana kokha ndi kapangidwe kake ka aloyi, komanso kuchuluka kwa porous wa porous dongosolo. Kukula kwa magawo ambiri azigawo mpaka 15% ～ 20%. Kukula kwa magawo omwe amagwiritsidwa ntchito ngati zida zosefera kumatha kukhala 50%. Kumapeto kwina kwa mndandanda, ziwalo zopangira ziuno kapena ziuno ndi 1% kapena zochepa. Zipangirazi ndizofunikira kwambiri pakugwiritsa ntchito magalimoto ndi ndege chifukwa zimatha kukhala ndi mphamvu zambiri.
Kulimba kwamphamvu, kulimba mtima komanso ductility ya aloyi ya P / M kudzawonjezeka ndikuwonjezeka kwa kachulukidwe, ndipo kusokonekera kwake kungathandizenso kusintha, chifukwa porosity ndiyovulaza kuzida.
Kuchulukanso kwa porosity kumatha kusintha magwiridwe antchito amkati. Kusintha kwa damping m'magawo oyenera kumachepetsedwa kwambiri m'magawo a P / M, omwe ndikofunikira kwambiri pazida zamakina, zopopera zowongolera mpweya ndi zida zampweya. Kutsika kwakukulu kumafunikiranso pamagalasi odziletsa.

Zovuta pakupanga

Ngakhale chimodzi mwazolinga zakukula kosalekeza kwa mafakitale a P / M ndikuchotsa makina, ndipo chimodzi mwazokopa kwambiri za njira ya P / M ndikuti kukonzanso kochepa kokha kumafunikira, magawo ambiri amafunikiranso chithandizo chamankhwala kuti apeze kulondola kwapamwamba kapena kumapeto kwabwino. Mwatsoka, Machining mbali izi ndi kovuta kwambiri. Mavuto ambiri omwe amadza chifukwa cha porosity. Chikhumbo chimabweretsa kutopa kwakanthawi kocheperako. Kudula kumangodula ndikutuluka. Imadutsa pakati pa tinthu tating'onoting'ono ndi mabowo. Kubwereza kwakanthawi kochepa kumabweretsa ming'alu yaying'ono kumapeto.

Ming'alu iyi ya kutopa imakula mpaka malirewo atagwa. Makina ochepera amtunduwu nthawi zambiri amakhala ochepa kwambiri, ndipo nthawi zambiri amawonetsa kuvala koyenera.
Kukhululuka kumachepetsanso matenthedwe a ziwalo za P / M, zomwe zimapangitsa kutentha kwambiri pakumapeto ndipo zimayambitsa kufalikira kwa crater. Kapangidwe kolumikizidwa mkati kumapereka njira yotulutsira madzimadzi odula kuchokera mdulidwe. Izi zimatha kuyambitsa ming'alu yotentha kapena mapindikidwe, makamaka pobowola.

Kuwonjezeka kwa malo omwe amayamba chifukwa cha mawonekedwe amkati amadzipangitsanso makutidwe ndi okosijeni komanso / kapena kutulutsa mpweya pakatenthedwe. Monga tanenera kale, ma oxide awa ndi ma carbide ndi olimba komanso osamva.

Kapangidwe kabwino kamaperekanso kulephera kwa kuwerenga kolimba, komwe ndikofunikira kwambiri. Pamene kuuma kwakukulu kwa gawo la P / M kumayesedwa mwadala, kumaphatikizanso chinthu chouma mdzenje. Kapangidwe kabwino kamabweretsa kugwa kwa kapangidwe kake ndipo kamapereka chithunzi cholakwika cha mbali zofewa. Ma particles ndi ovuta kwambiri. Monga tafotokozera pamwambapa, kusiyana kwake ndi kwakukulu.

Kukhalapo kwa inclusions m'magawo a PM kulinso kovuta. Pakukonza makinawo, tinthu timeneti timakokedwa kumtunda, ndipo kukanda kapena kukanda kupangika pamwamba pagawo likakakidwa patsogolo pa chida. Izi zimakonda kukhala zazikulu, kusiya mabowo owoneka pamwamba pagawo.

Kusiyanitsa kwakuthupi kwa kaboni kumabweretsa kusagwirizana kwamakanema. Mwachitsanzo, mpweya wa fc0208 alloy umachokera ku 0.6% mpaka 0.9%. Zipangizo zomwe zili ndi 0.9% ya kaboni ndizovuta, zomwe zimapangitsa kukhala ndi zida zosafunikira. Zipangizo zina zomwe zili ndi mpweya wokwanira 0.6% zili ndi zida zogwiritsa ntchito kwambiri. Ma alloys onsewa ali mgulu lovomerezeka.

Vuto lomaliza la Machining limakhudzana ndi mtundu wa kudula komwe kumachitika pa gawo la P / M. Popeza gawo limayandikira mawonekedwe omaliza, kuzama kocheka nthawi zambiri kumakhala kosazama kwambiri. Izi zimafuna malire aulere. Chip-build-on on the edge edge nthawi zambiri chimapangitsa kuti micro chipping.

Kukonza tekinoloje

Pofuna kuthana ndi mavutowa, matekinoloje angapo (osiyana ndi mafakitalewo) amagwiritsidwa ntchito. Kapangidwe kabwino kamene nthawi zambiri kamasindikizidwa ndikulowerera. Zowonjezera zowonjezera zaulere nthawi zambiri zimafunikira. Posachedwa, njira zopangira ufa zopangidwa kuti ziwonjezere ukhondo wa ufa ndikuchepetsa ma oxide ndi ma carbide panthawi yachithandizo cha kutentha zakhala zikugwiritsidwa ntchito.

Pakhoma lotsekedwa limapangidwa ndi chitsulo (nthawi zambiri mkuwa) kapena kulowa polima. Amati kulowerera kumakhala ngati mafuta. Zambiri mwazoyeserera zikuwonetsa kuti phindu lenileni limakhala potseka mawonekedwe owoneka bwino motero kupewa kutopa kwakanthawi kochepa. Kuchepetsa kwa malankhulidwe kumathandizira chida cham'mutu ndi kumaliza kwake. Kugwiritsa ntchito modabwitsa kwambiri kulowetsa kumawonetsa kuwonjezeka kwa 200% ya zida zogwiritsa ntchito pomwe porous imatsekedwa.

Zowonjezera monga MNS, s, MoS2, MgSiO3 ndi BN zimadziwika kuti zimawonjezera moyo wazida. Zowonjezerazi zimapangitsa kusintha kwa magwiridwe antchito kuti zikhale zosavuta kuti tchipisi tisiyane ndi chogwirira ntchito, kuthyola tchipisi, kulepheretsa kumangirira kwa chip ndi kuthira mafuta m'mphepete mwake. Kuchulukitsa zowonjezera kungapangitse kusintha kwa magwiridwe antchito, koma kuchepetsa mphamvu ndi kulimba.

Ukadaulo wa atomization wothandizira kuwongolera sintering ndi kutentha kwa gasi wamoto zimapangitsa kuti zikhale zotheka kupanga ufa ndi ziwalo zoyera, zomwe zimachepetsa kupezeka kwa inclusions ndi ma carbide apamwamba a oxide.

Zida zakuthupi

Zida zomwe zimagwiritsidwa ntchito kwambiri pamakampani a P / M ndizida zomwe ndizosavomerezeka, zotchinga m'mphepete mwamphamvu komanso zotchipa pansi pomaliza. Makhalidwewa ndi othandiza pakugwiritsa ntchito makina aliwonse, makamaka pazigawo za P / M. Zipangizo zomwe zili m'gululi ndi zida za cubic boron nitride (CBN), ma cermets osaphimbidwa komanso okutidwa, komanso ma carbide osungunuka omata.

Zida za CBN ndizokongola chifukwa chakuuma kwawo kwakukulu ndipo zimavala kukana. Chida ichi chakhala chikugwiritsidwa ntchito kwazaka zambiri pokonza chitsulo ndi chitsulo choponyera ndi kuuma kwa Rockwell kwa zaka 45 ndi pamwambapa. Komabe, chifukwa cha mawonekedwe apadera a aloyi a P / M komanso kusiyana kwakukulu pakati pa microhardness ndi macrohardness, zida za CBN zitha kugwiritsidwa ntchito pazigawo za P / M zokhala ndi Rockwell hardness wa 25. Choyimira chachikulu ndikulimba kwa tinthu. Kuuma kwa ma particles kumapitilira Rockwell 50 madigiri, zida za CBN zimapezeka mosasamala kanthu za kuuma kwakukulu. Kulephereka koonekeratu kwa zida izi ndikusowa kwawo kolimba. Pakadulidwa modzidzimutsa kapena mwapamwamba kwambiri, kulimbitsa m'mphepete kuphatikiza kuponderezana koyipa ndi kulemera kwakukulu ndikofunikira. Kudula kosavuta kumatha kuchitika ndikuchepetsa.

Pali zida zingapo za CBN zomwe ndizothandiza. Zomwe zimakhala zolimba kwambiri zimapangidwa ndi CBN yonse. Ali ndi kulimba kwabwino, kotero atha kugwiritsidwa ntchito poyipa. Zolephera zawo nthawi zambiri zimakhudzana ndi kumaliza. Zimadziwika makamaka ndi tinthu tina ta CBN tomwe timapanga chida ichi. Pamene particles kuguluka pa kudula m'mphepete, iwo bwanji padziko nkhani workpiece. Komabe, sizowopsa kwambiri kuti chida chabwino cha tinthu chimagwera pa tinthu tina.

Zolemba za CBN zomwe amagwiritsidwa ntchito zimakhala ndi zochuluka za CBN komanso kukula kwapakatikati. Tsamba lomaliza la CBN ndi tirigu wabwino, ndipo zomwe zili mu CBN ndizotsika. Zimakhala zothandiza kwambiri pakadula kuwala komanso kumaliza pamwamba pamafunika kapena pamene aloyi akukonzedwa ndi ovuta kwambiri.

Muzinthu zambiri zodula, moyo wazida sugwirizana ndi mtundu wazinthu. Mwanjira ina, chilichonse cha CBN chimatha kukwaniritsa chida chofananacho. Nthawi izi, kusankha kwakuthupi kumangotengera mtengo wotsika kwambiri pachilichonse. Tsamba limodzi lozungulira limakhala ndi CBN yonse pamwamba ndipo limatha kupereka magawo anayi kapena kupitilira apo, omwe ndi otsika mtengo kuposa masamba anayi okongoletsedwa a CBN.

Kuuma kwa ziwalo za P / M ndikotsika kuposa Rockwell 35 digiri, ndipo kuuma kwa tinthu kumakhala pakati, cermet nthawi zambiri imakhala imodzi mwazisankho. Ma Cermets ndi ovuta kwambiri, amatha kuteteza chip kumanga komanso amatha kupirira kuthamanga kwambiri. Kuphatikiza apo, chifukwa ma cermets akhala akugwiritsidwa ntchito popanga zothamanga kwambiri komanso zomaliza zazitsulo ndi chitsulo chosapanga dzimbiri, nthawi zambiri amakhala ndi mabowo oyeserera oyenererana ndi magawo omwe apangidwa.

Ma cermets amakono ndi ovuta kwambiri pazitsulo, okhala ndi zinthu 11 zokulumikiza. Nthawi zambiri amakhala sintered from TiCN particles and Ni Mo zomatira. TiCN imapereka kuuma, chip kumanga-kukaniza komanso kusasunthika kwamankhwala komwe ndikofunikira pakugwiritsa ntchito bwino ma cermets. Kuphatikiza apo, zida izi nthawi zambiri zimakhala zomata kwambiri, zomwe zikutanthauza kuti zimakhala zolimba. Mwachidule, ali ndi mawonekedwe onse pokonza aloyi P / M moyenera. Mitundu ingapo yama cermets ndiyothandiza, monga tungsten carbide sintered simenti carbide, kukweza kwake kwa binder, kumalimbitsa kulimba.

Chitukuko chodziwikanso chatsopano ndikuti kutentha kwa sing'anga kutentha kwa nthunzi (mtcvd) kumaperekanso mwayi pamakampani a P / M. Mtcvd imasungabe kukana konse ndi crater avale kukana kwamankhwala oyimira nthunzi (CVD), komanso kumalimbitsa kulimba moyenera. Kuwonjezeka kwa kulimba makamaka kumachokera pakuchepa kwa ming'alu. Coating kuyanika ndi waikamo pa kutentha ndiyeno utakhazikika mu ng'anjo. Chovalacho chimakhala ndi ming'alu pamene chidacho chimafika kutentha kwa firiji chifukwa chakukula kosagwirizana kwamatenthedwe. Mofanana ndi zokopa pagalasi lathyathyathya, ming'alu iyi imachepetsa mphamvu yakuthwa. Kutentha kotsika kwa mtcvd kumabweretsa kutsika kwapafupipafupi komanso kulimba kwabwino.

Pamene gawo lapansi la zokutira za CVD ndi zokutira za mtcvd zili ndi mawonekedwe omwewo komanso kuvala m'mphepete, kusiyana kwa kulimba kwawo kumatha kuwonetsedwa. Pogwiritsidwa ntchito pamagwiritsidwe omwe pamafunika kulimba kwakanthawi, magwiridwe antchito a mtcvd amaposa kuposa zokutira za CVD. Kupyolera mu kusanthula, mukamaumba ziwalo za P / M zokhala ndi porous, kulimba m'mphepete ndikofunikira. Coating Mtcvd coating kuyanika kuposa CVD coating kuyanika.

Kuphimba kwa nthunzi (PVD) ndikocheperako ndipo sikumavala zolimba kuposa mtcvd kapena CVD yokutira. Komabe, zokutira za PVD zitha kupilira zovuta pakugwiritsa ntchito. Kuphimba kwa PVD kumathandiza mukamadula ndikumavala zovala, CBN ndi ma cermets ndizowonongeka kwambiri ndipo zimafuna kumaliza bwino kwambiri.

Mwachitsanzo, m'mphepete mwa C-2 simenti carbide mutha kupanga makina fc0205 pa liwiro la mzere wa 180 m / min ndi feed feed of 0.15 mm / revolution. Pambuyo pakupanga magawo 20, kumangirira kwa chip kumatha kuyambitsa kugwa pang'ono. Pogwiritsa ntchito PVD titanium nitride (TIN) yokugwiritsa ntchito, kumangirira kwa chip kumalephereka ndipo moyo wazida umakhala wautali. Kuphika malata kumagwiritsidwa ntchito poyesa, mawonekedwe ovala a ziwalo za P / M akuyembekezeredwa kuti azikhala othandiza kwambiri ndi zokutira za TiCN. TiCN ili ndi chipangizo chofananira chomangirira ngati tini, koma ndi chovuta komanso chosamva bwino kuposa malata.

Kapangidwe kabwino ndi kofunika ndipo kamakhudza kusintha kwa fc0208 alloy. Pamene mawonekedwe ndi mawonekedwe amkati amasintha, zida zosiyanasiyana zimapindulira. Kuchuluka kwake kukakhala kotsika (6.4g / cm3), macrohardness ndiyotsika. Poterepa, mtcvd wokutidwa simenti carbide imapereka chida chabwino kwambiri pamoyo. Kutopa kocheperako kotsogola ndikofunikira kwambiri, ndipo kulimba m'mphepete ndikofunikira kwambiri. Poterepa, tsamba lolimba la cermet limapereka chida chazida kwambiri.

Mukamapanga aloyi yemweyo wokhala ndi kuchuluka kwa 6.8g / cm3, kuvala kwa abrasive kumakhala kofunika kwambiri kuposa mng'alu. Poterepa, zokutira mtcvd imapereka chida chabwino kwambiri pamoyo. PVD wokutidwa simenti carbide amagwiritsidwa ntchito poyesa mitundu iwiri ya magawo olimba kwambiri, ndipo imaswa ikakhudza.

Liwiro likakwera (liwiro lotsatira ndiloposa 300 mita pamphindi), ma cermets komanso ma cermets wokutidwa amatulutsa chovala cha crater. Lokutidwa simenti carbide ndi oyenera, makamaka pamene kudula m'mphepete kulimba kwa lokutidwa carbide simenti zabwino. Coating Kuyika kwa Mtcvd ndikothandiza makamaka kwa carbide wokhala ndi cobalt.

Ma Cermets amagwiritsidwa ntchito kwambiri potembenuka ndikukhala osasangalatsa. PVD wokutidwa ndi ma carbide omata ndi abwino pakupanga ulusi chifukwa kuthamanga kwakanthawi komanso chidwi chambiri pakumanga kumatha kuyembekezeredwa.

Chonde sungani komwe adachokera ndi adilesi iyi kuti musindikizenso:Kudula Machining Powder Metallurgy (P / M) Magawo  

Kampani ya Minghe Casting idadzipereka kuti ipange ndikupereka zida zapamwamba komanso magwiridwe antchito (zitsulo zoponyera zitsulo zimaphatikizapo Woonda-Wall Die kuponyera,Kutentha Kwambiri Kuponyera,Cold Chamber Die Casting), Round Service (Ntchito Yoponyera Akafa,Cnc Machining,Kupanga Zinthu, Pamwamba pa Chithandizo) .Mtundu uliwonse wa Aluminium die kuponyera, magnesium kapena Zamak / zinc kufa kuponyera ndi zofunikira zina ndizolandilidwa kuti mutilankhule.

Motsogozedwa ndi ISO9001 ndi TS 16949, Njira zonse zimachitika kudzera pamakina opanga makina otsogola, makina a 5-axis, ndi malo ena, kuyambira ma blasters mpaka makina ochapira a Son Son.Minghe alibe zida zapamwamba komanso ali ndi akatswiri gulu la akatswiri odziwa ntchito ndi oyang'anira kuti mapangidwe kasitomala akwaniritsidwe.

Wopanga mgwirizano wopanga kufa. Mphamvu zimaphatikizapo magawo ozizira a aluminium die akuponya kuchokera ku 0.15 lbs. mpaka 6 lbs., kusintha mwachangu kukhazikitsidwa, ndi makina. Ntchito zowonjezera zimaphatikizapo kupukuta, kunjenjemera, kudodometsa, kuwombera mfuti, kupenta, zokutira, zokutira, msonkhano, ndi zida. Zipangizo zomwe zimagwiritsidwa ntchito ndizophatikiza ma alloys monga 360, 380, 383, ndi 413.

Zinc kufa kuponyera kapangidwe ka ntchito / ntchito zofananira zamakono. Makonda opanga mwatsatanetsatane wa zinc kufa. Kuponyera kwakung'ono, kuponyedwa mwamphamvu, kuponyedwa kosiyanasiyana, zopangidwa ndi nkhungu, mayendedwe amtundu ndi odziyimira payokha komanso zotsekera zotsekedwa zimatha kupangidwa. Zokongoletsa zimatha kupangidwa kutalika ndi mulifupi mpaka 24 mkati. Mu +/- 0.0005 in. Kulolerana.  

ISO 9001: 2015 wopanga wa magnesium wamtundu wakufa, Mphamvu zake zimaphatikizapo kuponyera kwa magnesium kufa mpaka 200 ton chipinda chotentha & 3000 chipinda chozizira, kupanga zida, kupukuta, kuumba, kusinthanitsa, ufa & kupaka kwamadzi, QA yathunthu ndi kuthekera kwa CMM , msonkhano, kulongedza & kutumiza.

ITAF16949 yotsimikizika. Ntchito Yowonjezera Yowonjezera Phatikizani kuponyedwa kwa ndalama,kuponya mchenga,Kukongoletsa, Anataya zathovu kuponyera,Kuponyera kwamakedzana,Kuponyera Kutulutsa,Permanent Mold KuponyeraZolimba zimaphatikizaponso EDI, thandizo la uinjiniya, kutengera kolimba komanso kukonza kwina.

Akuponya Makampani Zolemba Pazigawo za: Magalimoto, Mabasiketi, Ndege, Zida zoyimbira, Watercraft, Zipangizo zamagetsi, Sensor, Models, Zipangizo zamagetsi, Zitseko, Mawotchi, Makina, Ma Injini, Mipando, Zodzikongoletsera, Ma Jigs, Telecom, Kuunikira, Zipangizo Zachipatala, Zithunzi za zithunzi, Ma Robot, Ziboliboli, Zomvera, Zida Zamasewera, Zida, Zoseweretsa ndi zina zambiri. 

Kodi tingakuthandizeni kuchita chiyani?

∇ Pitani patsamba lofikira Akuponya China

By Wopanga Minghe Die Casting | Magulu: Nkhani Zothandiza |Zofunika Tags: Zotayidwa kuponyera, Kutaya Zinc, Kuponyera Magnesium, Kutumiza Titanium, Kuponya Chitsulo chosapanga dzimbiri, Kutayira Mkuwa,Kuponyera Mkuwa,Akuponya Video,Mbiri ya Kampani,Zotayidwa Die kuponyera | Ndemanga Off