Zoben fistan.
Ana amfani da zoben fistan don saka tsagi na piston a cikin zoben karfe, zoben piston ya kasu kashi biyu: zoben matsawa da zoben mai. Za a iya amfani da zoben matsawa don rufe gas ɗin da ake iya ƙonewa a cikin ɗakin konewa; Ana amfani da zoben mai don goge wuce haddi mai daga silinda. Zoben fistan wani nau'i ne na zobe na roba na ƙarfe tare da babban nakasar faɗaɗa waje, wanda aka haɗa a cikin bayanin martaba da madaidaicin tsagi na annular. Zoben fistan masu juyawa da jujjuyawa sun dogara da bambancin matsa lamba na gas ko ruwa don samar da hatimi tsakanin da'irar waje na zoben da silinda da gefe ɗaya na zoben da tsagi na zobe.
Iyakar aikace-aikace
Ana amfani da zoben fistan a cikin injina iri-iri, kamar injin tururi, injin dizal, injin mai, compressors, injin injin ruwa, da sauransu, ana amfani da su sosai a cikin motoci, jiragen ƙasa, jiragen ruwa, jiragen ruwa da sauransu. Gabaɗaya, ana shigar da zoben piston a cikin ramin zobe na fistan, kuma shi da piston, layin silinda, shugaban silinda da sauran abubuwan da ke cikin ɗakin don yin aiki.
Zoben Piston shine ainihin abin da ke cikin injin mai, shi da Silinda, piston, bangon Silinda tare don kammala hatimin iskar gas. Injunan motoci da aka fi amfani da su suna da injunan diesel da man fetur iri biyu, saboda aikin mai daban-daban, amfani da zoben fistan ba iri daya ba ne, zoben fistan na farko ana yin su ne ta hanyar simintin gyaran fuska, amma tare da ci gaban fasaha, karfe mai karfin gaske. An haifi zoben fistan, kuma tare da aikin injin, bukatun muhalli suna ci gaba da ingantawa, aikace-aikacen jiyya iri-iri na ci gaba, irin su spraying thermal, electroplating, chrome plating, da dai sauransu. Gas nitriding, jigon jiki, shafi na sama, zinc manganese. phosphating magani, da dai sauransu, ƙwarai inganta aikin piston zobe.
Aikin zobe na Piston ya haɗa da hatimi, sarrafa mai (sarrafa mai), tafiyar da zafi (canja wurin zafi), jagora (tallafawa) ayyuka huɗu. Rufewa: yana nufin iskar gas, kar a bar iskar gas ɗin ɗakin konewa ya yoyo zuwa crankcase, iskar gas ɗin ana sarrafa shi a ƙarami, inganta haɓakar thermal. Ruwan iska ba kawai zai rage ƙarfin injin ba, har ma yana haifar da lalacewar mai, wanda shine babban aikin zoben gas; Daidaita mai ( sarrafa man fetur): yawan man mai mai mai a kan bangon Silinda an goge shi, kuma an rufe bangon Silinda da fim ɗin mai na bakin ciki don tabbatar da lubrication na al'ada na Silinda da fistan da zobe, wanda shine babban aikin. zoben mai. A cikin injuna masu saurin sauri na zamani, ana ba da kulawa ta musamman ga rawar piston zoben sarrafa fim ɗin mai; Gudanar da zafi: ana watsa zafin piston zuwa layin silinda ta hanyar zoben piston, wato, tasirin sanyaya. Dangane da ingantattun bayanai, 70 ~ 80% na zafin da aka samu ta saman piston na piston da ba a sanyaya ba yana tarwatsewa ta zoben piston zuwa bangon Silinda, kuma 30 ~ 40% na piston mai sanyaya yana tarwatsewa ta zoben piston zuwa Silinda. bango; Taimako: Zoben piston yana kiyaye piston a cikin silinda, yana hana hulɗar kai tsaye tsakanin piston da bangon silinda, yana tabbatar da motsi mai sauƙi na piston, yana rage juriya, kuma yana hana piston daga buga silinda. Gabaɗaya, piston injin mai yana amfani da zoben gas guda biyu da zoben mai guda ɗaya, yayin da injin dizal yakan yi amfani da zoben mai guda biyu da zoben gas ɗaya.
Gano mai kyau da mara kyau
Wurin aiki na zoben fistan ba zai sami nicks, scratches, peeling, silinda na waje da babba da ƙananan saman ƙarshen ƙarshen ba za su sami ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙima, karkatar da ma'aunin ba zai fi 0.02-0.04 mm ba. zobe a cikin tsagi ba zai wuce 0.15-0.25 mm ba, kuma elasticity da sharewa na zoben piston sun hadu da bukatun. Bugu da kari, ya kamata mu kuma duba hasken fitilar zoben fistan, wato, zoben fistan yana lebur a cikin silinda, mu sanya karamar fitila a karkashin zoben fiston, sanya allon haske a sama, sannan mu lura da tazarar hasken da ke tsakanin. zoben piston da bangon silinda, wanda ke nuna ko haɗin tsakanin zoben piston da bangon silinda yana da kyau. A ƙarƙashin yanayi na al'ada, ɗigon haske na zoben piston wanda aka auna tare da ma'aunin kauri bai kamata ya wuce 0.03 mm ba. Tsawon ci gaba da yatsan yatsa haske bai kamata ya zama mafi girma fiye da 1/3 na diamita na Silinda ba, tsayin adadin raƙuman yatsan haske bai kamata ya fi 1/3 na diamita na Silinda ba, kuma jimlar adadin adadin. hasken haske bai kamata ya wuce 1/2 na diamita na Silinda ba, in ba haka ba, ya kamata a maye gurbinsa. Piston zoben alamar GB/T 1149.1-94 yana ƙayyadaddun cewa duk zoben piston da ake buƙata don samun jagorar hawa za a yi alama a gefen babba, wato, gefen kusa da ɗakin konewa. Zoben da aka yiwa alama a gefe na sama sun haɗa da: zoben mazugi, chamfer na ciki, zoben yankan tebur na waje, zoben hanci, zoben tsinke da zoben mai da ke buƙatar jagorar shigarwa, kuma gefen sama na zoben yana alama.
Idan kana son ƙarin sani, ci gaba da karanta sauran labaran kan wannan rukunin yanar gizon!
Da fatan za a kira mu idan kuna buƙatar irin waɗannan samfuran.
Zhuo Meng Shanghai Auto Co., Ltd. ya jajirce don siyar da sassan motoci na MG&MAUXS maraba da siyarwa.
