Fakitale mwachindunji chogulitsira siic maxis V80 C0001413 Piston mphete-92mm

Chidziwitso cha Zinthu

Piston mphete ndi mphete yachitsulo yomwe imagwiritsidwa ntchito kuti ilowe mu poyambira pisitoni. Pali mitundu iwiri ya mphete za piston: kuphatikizidwa mphete ndi mphete yamafuta. Nnenengo yosokoneza imagwiritsidwa ntchito kusindikiza osakaniza mu chipinda chocheka; Mphete yamafuta imagwiritsidwa ntchito popukutira mafuta owonjezera kuchokera pa silinda.

Mphete ya piston ndi mphete yachitsulo yotupa ndi kuphatikizika kwakukulu kwakunja, komwe kumasonkhana ndikuyambiranso gawo la mtanda. Kubwezeretsanso mphete za piston kudalira pang'onopang'ono kusiyana kwa mpweya kapena madzi kuti mupange chidindo pakati pa mphete ndi silinda ndi mbali imodzi ya mphete ndi poyambira mphete.

Mphete za piston zimagwiritsidwa ntchito kwambiri m'makina osiyanasiyana opanga mphamvu, injini za dizilo, zopindika, zombo, zombo, mutu wa cylinder ndi zina zinthu zofunika kuchita ntchito.

kudziwika

Mphete ya piston ndi gawo lazinthu la mafuta mkati mwa injini yamafuta, yomwe imaliza kusindikizidwa kwa mpweya wamafuta pamodzi ndi silinda, piston, majini agalimoto ambiri ndi injini zamagetsi. Chifukwa cha mafuta awo osiyanasiyana, mphete za piston ndizosiyananso. Mphete za pisiti yoyamba idapangidwa poponyera, koma ndi kupititsa patsogolo ukadaulo, mphete zamphamvu za pisiti. , ndipo mopitirira muyeso wa ntchito ya injini ndi zofunikira zachilengedwe, ntchito zosiyanasiyana zotsogola, mawonekedwe opatsirana, mawonekedwe a mpira, zojambula za mpweya, ndi zina zowonjezera.

Kugwira nchito

Njinga ya mphete ya piston imaphatikizapo ntchito zinayi: Kusindikiza, mafuta owongolera (kuwongolera mafuta), kuwongolera kwamafuta), kusamutsa kutentha), ndikuwongolera (thandizo). Kusindikizidwa: kumatanthauza kusindikiza mpweya, kumalepheretsa mpweya m'chipinda choyaka kuti udutse crankcase, kuwongolera kutaya mpweya kwa mpweya wocheperako, ndikuwongolera mphamvu ya mafuta. Kutulutsa kwa mpweya sikungangochepetsa mphamvu ya injini, komanso kuyikanso mafuta, omwe ndiye gawo lalikulu la mphete ya mpweya; Sinthani mafuta (mafuta opangira mafuta): Kutulutsa mafuta opangira mafuta pakhoma la siliva, ndipo nthawi yomweyo imapangitsa khoma la masilindani, ndipo nthawi yomweyo imapangitsa khoma la masililime yochepa kwambiri kuti mafuta ofewetsa opareshoni, piston ndi mphete yayikulu ya mphete ya mafuta. M'matsenga amakono othamanga, chidwi chapadera chimalipira mphete ya piston kuti alamulire filimu yamafuta; Kuphatikiza kwa kutentha: Kutentha kwa pistoni kumachitika ku cylinder chovala mphete ya piston, ndiye kuti, kuzizira. Malinga ndi deta yodalirika, 70-80% ya kutentha komwe adalandiridwa ndi pisitoni yolumikizidwa ndi riboti ya piston Piston, amachepetsa kukana kwachimbiri, ndipo amalepheretsa pisitoni kuti asagogomeza silinda. Nthawi zambiri, piston ya injini yamafuta imagwiritsa ntchito mphete ziwiri za mpweya ndi mphete imodzi yamafuta, pomwe inshuwale imagwiritsa ntchito mphete ziwiri ndi mphete imodzi. [Chithunzi patsamba 2]

khalidwe

nyonga

Mphamvu zomwe zimagwira piritsi pa piston zimaphatikizapo kupsinjika kwa mpweya, mphamvu yotsekemera ya mphete yokhayo, mphete pakati pa misemphayo, ndi njira yozungulira, ndi kayendedwe ka radial. Kuphatikiza apo, chifukwa cha mawonekedwe ake, limodzi ndi mayendedwe osakhazikika, mphete ya piston imawoneka kuyimitsidwa ndi kugwedezeka kosasinthika, zotupa, zopotoka, zotupa. Kusuntha kosakhazikika kumeneku nthawi zambiri kumalepheretsa mphete za piston kuti zigwiritsidwe ntchito. Mukamapanga mphete ya piston, ndikofunikira kupereka seweroli lathunthu ndikuwongolera mbali yosasangalatsa.

Mafuta Omwe Amachita

Kutentha kwakukulu komwe kumapangidwa ndi kuyamwa kumafalikira ku khoma la silinda kudutsa mphete ya piston, motero amatha kuziziritsa pisitoni. Kutentha kunasunthira khoma la sipinder mphete ya piston imatha kufikira 30 mpaka 40% ya kutentha komwe kumachitika pamwamba pa piston

Kulimba kwa mpweya

Ntchito yoyamba ya mphete ya piston ndikusunga chisindikizo pakati pa piston ndi khoma la cylinder ndikuwongolera kutaya mpweya wocheperako. Udindowu umachitika makamaka ndi mphete yamafuta, ndiye kuti, yogwiritsa ntchito mpweya, kutulutsa mpweya ndi mafuta kuyenera kuwongoleredwa pang'ono kuti musinthe mphamvu; Pofuna kupewa kutaya pakati pa silinda ndi piston kapena pakati pa silinda ndi mphete. Gwira; Pewani kulephera chifukwa cha kuwonongeka kwa mafuta odzola, etc.

Kulamula kwamafuta

Ntchito yachiwiri ya mphete ya piston ndikudula bwino mafuta opangira mafuta ophatikizika ndi khoma la cylinder ndikukhalabe wamba. Pamene mafuta opangira mafuta ndi ochulukirapo, amayamwa m'chipinda choyaka, chomwe chidzakulitsa mafuta amafuta, ndipo adzakhala ndi mphamvu yolakwika pakugwiritsa ntchito injini chifukwa cha kuyanja kwa mpweya.

Thandizo

Chifukwa pisiton imacheperachepera kuposa kutalika kwa silinda, ngati mulibe mphete ya piston, piston siyikukhazikika mu silinda ndipo sangathe kuyenda momasuka. Nthawi yomweyo, mphete imalepheretsanso pisitoni kulumikizana mwachindunji kulumikizana mwachindunji ndikugwira ntchito yothandizira. Chifukwa chake, piston imasunthika ndikutsika mu silinda, ndipo malo ake oyenda amanyamula mokwanira ndi mphete.

Kupatula

Mwa korona

A. Korolithic: Kudzera mu njira yoponyera kapena youmba yolumikizirana.

b. Kuphatikizidwa mphete: Mphete ya piston idapangidwa ndi magawo awiri kapena kupitilira apo.

c. Mphete yochepetsetsa mafuta: mphete yamafuta yokhala ndi mbali zofanana, malo awiri olumikizirana ndi mabowo obwezeretsa mafuta.

D. Zotsekedwa Coil kasupe wamafuta a mafuta: Onjezani mphete yamafuta yamagetsi yothandizira kupangira mafuta mu mphete yamafuta. Kuthandizira kwa masika kumatha kuwonjezera kupanikizika kwa radia, ndipo mphamvu yake pamphumi ndi yofanana. Nthawi zambiri mumapilira mphete.

E. Belt Bel Belt yophatikizidwa ndi mphete yamafuta: Mphete ya mafuta yopangidwa ndi mphete ya chingwe ndi mphete ziwiri za skiper. Mapangidwe a mphete yosamalira mosiyanasiyana mosiyanasiyana mosiyanasiyana ndipo amapezeka mu mphete za mafuta.

Gawo la mawonekedwe

Mphete ya Mbewu, Conne mphete, mphete yamkati yopatulitsira mphete, mphete yopatulitsira mafuta ammisi, mphete yamkati yamafuta, mphete yachitsulo, etc.

Ndi nkhani

Tengani chitsulo, chitsulo.

Pamtunda

Mphete ya nitride: Kuumitsa kwa wosanjikiza wa nitria kuli pamwamba pa 950hv, kutcheruka ndi giredi 1, ndipo kumakhala ndi vuto kukana ndi kukana. Mphete ya Chrome Worden: The Chrome-Screed yokhala bwino, yokhazikika komanso yosalala, yokhala ndi mphamvu yopitilira 850h, kuvala bwino kwambiri, komanso kuvala mabatani opangira mafuta. Mphete ya phosphase: Njira ya filimu ya phosphaing imapangidwa pamwamba pa mphete ya piston, yomwe imachita chipongwe champhamvu pazinthu ndikuwongolera momwe mphete imagwirira ntchito. Mphete ya oxidation: Pansi pa kutentha kwakukulu ndi maxidi amphamvu, filimu yopangidwa ndi chitsulo, yomwe imatsutsana ndi mafuta otsutsa, mawonekedwe abodza komanso mawonekedwe abwino. Pali PVD ndi zina zotero.

Malinga ndi ntchito

Pali mitundu iwiri ya mphete za piston: mphete yamafuta ndi mphete yamafuta. Ntchito ya mphete yamagesi ndikuwonetsetsa chisindikizo pakati pa piston ndi silinda. Imalepheretsa kutentha kwambiri komanso mpweya wambiri mu silinda kuti idutse crankcase kwambiri, ndipo nthawi yomweyo imayendetsa kutentha kwambiri kuchokera pamwamba pa pisitoni kumakoma a cylinder, omwe amatengedwa ndi madzi ozizira kapena mpweya.

Mphete yamafuta imagwiritsidwa ntchito pokwapula mafuta owonjezera pamakoma a siliva, ndikuvala filimu yolumphira yamafuta pakhoma la silinda, zomwe sizingalepheretse kuvala kwa piston, pisitoni. kukana kwachikondi. [1]

kugwiritsa ntchito

Chizindikiritso chabwino kapena choyipa

Kugwira ntchito kwa mphete ya piston sikudzakhala ndi niping, zomangirira, malo otsetsereka kunja komanso kutsikira kwa mphete kulibe. Kuphatikiza apo, kuchepa kwa mphete ya piston iyeneranso kuwunikidwa, ndiye kuti mphete ya piston iyenera kuyikidwa mphete ya piston, ndipo mbale yopepuka iyenera kuyikidwa mphete pakati pa piston iyenera kuonedwa. Izi zikuwonetsa ngati kulumikizana pakati pa mphete ya piston ndi khoma la silinda ndilabwino. Mwambiri, kubuula kwa mphete ya piston sikuyenera kupitirira 0.03 mm akayeza ndi mawonekedwe a makulidwe. Kutalika kwa kutsika kosasunthika sikuyenera kukhala wamkulu kuposa 1/3 wa cylinder dinemeter, kutalika kwa ma cylinder diameter dilesie, motero mwanjira ina, iyenera kusinthidwa.

Makalata obwera

Piston mphete ya GB / T 1149.1-94 ikufotokoza kuti mphete zonse zofuna kukhazikitsa ziyenera kudziwika kumtunda kumtunda, ndiye kuti, mbali pafupi ndi chipinda cha kuyaka. Ma Rings omwe adalembedwa kumtunda kwapamwamba kuphatikizira: mphete yam'mimba, chipwirikiti chamkati, mphete yamkuntho ya pamphuno, ndipo mbali yakumtunda yomwe imafuna kuti mpheteyo yalembedwa.

Kusamalitsa

Sangalalani mukakhazikitsa mphete za piston

1) Mphete ya piston imayikidwa mosavuta mu silinda ya scander, ndipo payenera kukhala kusiyana koyamba pamalo mawonekedwe.

2) Mphete ya piston iyenera kuyikidwa pa piston, ndipo poyambira mphete, payenera kukhala gawo lakumapeto kwake.

3) Mphete ya Chromed-Chromet iyenera kukhazikitsidwa mu njira yoyamba, ndipo potsegulira sayenera kuyang'anizana ndi dzenje la Eddy Pamwamba pa piston.

4) Kutseguka kwa mphete iliyonse ya piston ndi kokhazikika ndi 120 ° C, ndipo saloledwa kuyang'anizana ndi dzenje la piston.

5) Kwa mphete za piston wokhala ndi gawo lapatapa, nthaka yokutidwa iyenera kukhala yotsika pakukhazikitsa.

6) Nthawi zambiri, mphete ya timiyala ikaikidwa, chamrofe kapena poyambira ziyenera kupita m'mwamba; Pamene mphete yotsutsa yolimbana ndi yamtundupo itaikidwa, isungidwe moyang'anizana ndi mtsogolo.

7 Mphete yathyathyathya imayikidwa pamwamba ndi pansi pa mphete ya mafunde, ndipo zotseguka za mphete iliyonse zimayenera kuzimiririka.

Ntchito Yakuthupi

1. Kuvala kukana

2. Kusunga mafuta

3. Kuumitsa

4..

5. Mphamvu

6. Kukana Kuzunza

7.. Kukula

8. Kudula magwiridwe

Pakati pawo, kuvala kukana ndi kunenepa ndikofunikira kwambiri. Injini ya Mphepo Yapamwamba ya Diselo imaphatikizaponso imvi kwambiri, chitsulo chachitsulo, inool chitsulo, alloo aponya chitsulo, komanso varimar.

Piston Kuphatikiza Msonkhano wa Rod

Mfundo zazikuluzikulu za msonkhano wa Ingel Jeneler Piston yolumikizira gulu la Rod ndi motere:

1. Mukakhazikitsa ndodo yamkuwa ya ndodo yolumikizira, ndibwino kugwiritsa ntchito makina osindikizira kapena kuwulutsa, ndipo musamenye ndi nyundo; dzenje lamafuta kapena poyambira mafuta pamwala wa mkuwa uyenera kukhala ndi dzenje la mafuta pa ndodo yolumikiza kuti mafuta awo

2. Tsegulani pisitoni ndi ndodo yolumikiza. Mukasonkhanitsa piston ndikulumikiza ndodo, samalani ndi udindo wawo komanso mawonekedwe ake.

Zithunzi zitatu, zopangidwa moyenera. Piston pini ndi nguboud hole yomwe imasokonezedwa. Mukakhazikitsa, ikani piston mu madzi kapena mafuta ndipo mokwanira mpaka 90 ° C ~ 100 ° C. Pambuyo potuluka, ikani ndodo yolumikizira yomwe ili pakati pa mabowo a piston pini, kenako ndikukhazikitsa pisi yokhotakhota ya mafuta munjira yokonzedweratu. m'boti ya Piston PIN ndi rod yolumikizira Copper Scard

Chachinayi, kuyika mphete ya piston. Mukakhazikitsa mphete za pisitoni, samalani ndi udindo ndi dongosolo la mphete iliyonse.

Lachisanu, ikani gulu lolumikizira ndodo.