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Siyar da masana'anta kai tsaye SAIC MAXUS V80 C00014713 Piston Ring-92MM

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Piston Ring zobe ne na ƙarfe da ake amfani da shi don sakawa cikin tsagi na piston.Akwai zoben fistan iri biyu: zoben matsawa da zoben mai.Ana amfani da zoben matsawa don rufe cakuda mai ƙonewa a cikin ɗakin konewa;Ana amfani da zoben mai don goge wuce haddi mai daga silinda.

Zoben fistan zoben roba ne na ƙarfe tare da babban nakasar faɗaɗa waje, wanda aka haɗa shi cikin tsagi na annular daidai da sashin giciye.Zoben fistan masu juyawa da jujjuyawa sun dogara da bambancin matsa lamba na gas ko ruwa don samar da hatimi tsakanin madauwari ta waje na zoben da silinda da gefe ɗaya na zoben da tsagi na zobe.

Ana amfani da zoben Piston a cikin injina daban-daban, kamar injin tururi, injin dizal, injin mai, compressors, injin injin ruwa, da sauransu, kuma ana amfani da su sosai a cikin motoci, jiragen ƙasa, jiragen ruwa, jiragen ruwa, da sauransu. Gabaɗaya, zoben piston shine. shigar a cikin tsagi na zobe na fistan, kuma yana samar da ɗaki tare da piston, silinda liner, shugaban Silinda da sauran abubuwan da za a yi aiki.

mahimmanci

Zoben fistan shine ainihin abin da ke cikin injin mai, wanda ke kammala rufe gas ɗin tare da silinda, piston, bangon silinda, da sauransu. Injunan motoci da aka fi amfani da su sune dizal da injunan mai.Saboda aikin man fetur daban-daban, zoben piston da aka yi amfani da su ma sun bambanta.An kirkiro zoben fistan na farko ta hanyar jefawa, amma tare da ci gaban fasaha, an haifi zoben fistan mai ƙarfi na ƙarfe., kuma tare da ci gaba da inganta aikin injiniya da bukatun muhalli, daban-daban aikace-aikacen jiyya na ci gaba, irin su spraying thermal, electroplating, chrome plating, gas nitriding, jiki deposition, surface shafi, zinc-manganese phosphating, da dai sauransu, Aiki na zoben fistan yana inganta sosai.

Aiki

Ayyukan zoben piston sun haɗa da ayyuka guda huɗu: rufewa, sarrafa mai (sarrafa mai), sarrafa zafi (canja wurin zafi), da jagora (tallafawa).Rufewa: yana nufin rufe iskar gas, hana iskar gas da ke cikin ɗakin konewa daga zubowa a cikin akwati, sarrafa ɗigon iskar gas zuwa ƙarami, da haɓaka ingantaccen yanayin zafi.Ruwan iska ba kawai zai rage ƙarfin injin ba, har ma ya lalata mai, wanda shine babban aikin zoben iska;Daidaita man fetur (ikon man fetur): goge wuce haddi mai lubricating akan bangon silinda, kuma a lokaci guda sanya bangon silinda ya zama bakin ciki Fim ɗin mai na bakin ciki yana tabbatar da lubrication na al'ada na silinda, piston da zobe, wanda shine babban aiki. na zoben mai.A cikin injuna masu saurin sauri na zamani, ana ba da kulawa ta musamman ga rawar piston zobe don sarrafa fim ɗin mai;zafin zafi: ana gudanar da zafin piston zuwa silinda ta hanyar zoben piston, wato, sanyaya.Dangane da ingantattun bayanai, 70-80% na zafi da aka samu ta saman fistan a cikin fistan da ba a sanyaya ba yana bazuwa ta zoben piston zuwa bangon Silinda, kuma 30-40% na fistan sanyaya ana watsa shi zuwa silinda ta hanyar Taimakon zoben piston: Zoben piston yana kiyaye piston a cikin silinda, yana hana piston tuntuɓar bangon Silinda kai tsaye, yana tabbatar da motsin piston mai santsi, yana rage juriya, kuma yana hana piston daga buga silinda.Gabaɗaya, piston injin mai yana amfani da zoben iska guda biyu da zoben mai guda ɗaya, yayin da injin dizal yakan yi amfani da zoben mai guda biyu da zoben iska ɗaya.[2]

hali

karfi

Sojojin da ke aiki akan zoben fistan sun haɗa da matsa lamba gas, ƙarfin roba na zoben da kansa, ƙarfin inertial na motsi na zobe, juzu'i tsakanin zobe da silinda da tsagi na zobe, da dai sauransu. sojojin, zobe zai haifar da motsi na asali kamar motsi axial, motsi na radial, da motsi na juyawa.Bugu da ƙari, saboda halayen motsinsa, tare da motsi maras kyau, zoben piston babu makawa ya bayyana dakatarwa da girgizawar axial, radial rashin daidaituwa da motsin motsi, karkatar da motsi, da dai sauransu.Wadannan motsi marasa tsari sukan hana zoben piston yin aiki.Lokacin zayyana zoben piston, ya zama dole don ba da cikakken wasa zuwa motsi mai kyau da sarrafa gefen mara kyau.

thermal watsin

Babban zafi da ake samu ta hanyar konewa ana watsa shi zuwa bangon Silinda ta zoben fistan, don haka zai iya kwantar da piston.Zafin da aka watsa zuwa bangon Silinda ta zoben piston na iya kaiwa 30 zuwa 40% na zafin da saman fistan ke sha.

tsananin iska

Aikin farko na zoben fistan shine kiyaye hatimi tsakanin piston da bangon silinda da kuma sarrafa kwararar iska zuwa ƙarami.Wannan aikin zoben iskar gas ne ke aiwatar da shi, wato, a duk wani yanayi na aiki na injin, ya kamata a kula da kwararar iska da iskar gas da aka matsa zuwa mafi ƙanƙanta don inganta yanayin zafi;don hana zub da jini tsakanin silinda da fistan ko tsakanin silinda da zobe.Kama;hana gazawar da ke haifar da tabarbarewar man mai da sauransu.

Kula da mai

Aiki na biyu na zoben piston shine a goge mai da kyau da aka makala a bangon Silinda da kuma kula da yawan mai na yau da kullun.Idan man mai da ake kawowa ya yi yawa, za a tsotse shi cikin dakin konewar, wanda hakan zai kara yawan man da ake amfani da shi, kuma zai yi mummunan tasiri ga aikin injin saboda tarin carbon din da konewar ke samarwa.

Taimako

Saboda piston ya ɗan ƙanƙanta fiye da diamita na ciki na Silinda, idan babu zoben piston, piston ba shi da kwanciyar hankali a cikin Silinda kuma ba zai iya motsawa cikin yardar kaina ba.A lokaci guda, zobe kuma yana hana piston daga tuntuɓar silinda kai tsaye kuma yana taka rawar tallafi.Saboda haka, zoben fistan yana motsawa sama da ƙasa a cikin silinda, kuma samansa mai zamewa yana ɗauka da zoben.

Rabewa

Ta tsari

A. Tsarin monolithic: ta hanyar aiwatar da simintin gyare-gyare ko gyare-gyaren haɗin kai.

b.Haɗaɗɗen zobe: Zoben fistan wanda ya ƙunshi sassa biyu ko fiye da aka haɗa a cikin tsagi na zobe.

c.Zoben mai mai ramin ramuka: zoben mai tare da gefe guda, ƙasa mai lamba biyu da ramukan dawo da mai.

D. Slotted coil spring mai zobe: ƙara da zoben mai na nada goyon bayan spring a cikin tsagi zobe mai.Taimakon bazara na iya ƙara ƙayyadaddun matsa lamba na radial, kuma ƙarfinsa akan saman ciki na zobe daidai yake.Yawanci ana samun su a zoben injin dizal.

E. Ƙarfe mai haɗe zoben mai: zoben mai wanda ya haɗa da zoben rufi da zoben goge baki biyu.Zane na zoben goyon baya ya bambanta da masana'anta kuma ana samun su a cikin zoben injin mai.

Siffar sashe

Zoben guga, zoben mazugi, zobe na juzu'i na ciki, zoben tsintsiya da zoben trapezoid, zoben hanci, zoben murɗaɗɗen kafaɗa na waje, zoben murɗaɗɗen ƙaya na ciki, bel ɗin haɗe mai zoben mai, zoben mai na chamfer daban-daban, iri ɗaya Don chamfer zoben mai, jefa ƙarfe na ƙarfe zoben mai na bazara, zoben mai na karfe, da dai sauransu.

Ta abu

Bakin karfe, karfe.

saman jiyya

Zoben Nitride: Taurin Layer nitride yana sama da 950HV, brittleness shine aji 1, kuma yana da juriya mai kyau da juriya na lalata.Zoben da aka yi da Chrome: Layer na chrome-plated yana da kyau, ƙarami kuma mai santsi, tare da taurin fiye da 850HV, juriya mai kyau sosai, da kuma hanyar sadarwa na criss-crossing micro-cracks, wanda ya dace da ajiyar man fetur. .Zoben Phosphating: Ta hanyar maganin sinadarai, an samar da fim ɗin phosphating a saman zoben piston, wanda ke da tasirin anti-tsatsa akan samfurin kuma yana haɓaka aikin farko na zoben.Zoben Oxidation: A ƙarƙashin yanayin yanayin zafi mai ƙarfi da ƙarfi mai ƙarfi, an samar da fim ɗin oxide akan saman kayan ƙarfe, wanda ke da juriya na lalata, lubrication anti-kasuwa da kyakkyawan bayyanar.Akwai PVD da sauransu.

bisa ga aiki

Akwai zoben fistan iri biyu: zoben gas da zoben mai.Ayyukan zoben gas shine tabbatar da hatimi tsakanin fistan da silinda.Yana hana yawan zafin jiki da iskar gas da ke cikin silinda daga zubowa cikin crankcase da yawa, kuma a lokaci guda yana gudanar da mafi yawan zafi daga saman piston zuwa bangon Silinda, wanda sai a kwashe shi. sanyaya ruwa ko iska.

Ana amfani da zoben mai don goge yawan man da ke jikin bangon Silinda, da kuma sanya fim ɗin mai iri ɗaya a jikin bangon Silinda, wanda ba zai iya hana mai ya shiga cikin Silinda kawai ya ƙone ba, har ma yana rage lalacewa da tsagewar piston. , Fistan zobe da Silinda.juriya juriya.[1]

amfani

Gano mai kyau ko mara kyau

Wurin aiki na zoben piston ba zai sami nicks, scratches da peelings, cylindrical surface na waje da na sama da ƙananan ƙarshen saman dole ne su sami wani santsi, karkatar da karkatar ba zai fi 0.02-0.04 mm ba, kuma daidaitaccen nutsewa. Adadin zobe a cikin tsagi ba zai wuce 0.15-0.25 mm ba, elasticity da sharewa na zoben piston sun hadu da ka'idoji.Bugu da kari, ya kamata kuma a duba matakin haske na zoben fistan, wato a sanya zoben fistan a lebur a cikin silinda, a sanya karamar karamar wuta a karkashin zoben fistan, sannan a sanya farantin inuwa a kan. shi, sa'an nan kuma ya kamata a lura da tazarar haske tsakanin zoben piston da bangon silinda.Wannan yana nuna ko haɗin tsakanin zoben piston da bangon silinda yana da kyau.Gabaɗaya, tazarar ɗigon haske na zoben piston kada ya wuce 0.03 mm lokacin da aka auna tare da ma'aunin kauri.Tsawon tsagewar ci gaba da ɗigo haske bai kamata ya fi 1/3 na diamita na Silinda ba, tsawon tsagewar ɗigon haske da yawa bai kamata ya fi 1/3 na diamita na Silinda ba, kuma jimlar yawan ɗigon haske ya kamata. bai wuce 1/2 na diamita na Silinda ba, in ba haka ba, ya kamata a maye gurbinsa.

dokokin yin alama

Piston zoben alamar GB/T 1149.1-94 ya nuna cewa duk zoben piston da ke buƙatar jagorar shigarwa yakamata 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 conical, chamfer na ciki, zoben tebur da aka yanke na waje, zoben hanci, zobe na yanki da zoben mai wanda ke buƙatar jagorar shigarwa, kuma gefen sama na zoben yana alama.

Matakan kariya

Kula da hankali lokacin shigar da zoben piston

1) An shigar da zoben piston a hankali a cikin silinda na silinda, kuma dole ne a sami wani tazarar buɗewa a wurin dubawa.

2) Dole ne a shigar da zoben piston a kan piston, kuma a cikin tsagi na zobe, ya kamata a sami wani shinge na gefe tare da tsayin daka.

3) Ya kamata a shigar da zoben da aka yi da chrome a cikin tashar farko, kuma budewar kada ta fuskanci jagorancin ramin da ke kan saman piston.

4) Mabuɗin kowane zoben fistan suna takure da 120°C, kuma ba a yarda su fuskanci ramin fil ɗin piston ba.

5) Don zoben piston tare da sashin da aka ɗora, ya kamata ya kasance a sama a lokacin shigarwa.

6) Gabaɗaya, lokacin da aka shigar da zoben torsion, chamfer ko tsagi ya kamata ya kasance sama;lokacin da aka shigar da zoben anti-torsion, ajiye mazugi yana fuskantar sama.

7) Lokacin shigar da zoben da aka haɗa, ya kamata a fara shigar da zobe na axial, sa'an nan kuma a sanya zoben lebur da zobe na igiya.Ana shigar da zobe mai lebur a sama da kasa na zoben igiyar ruwa, kuma ya kamata a karkatar da buɗewar kowane zobe daga juna.

Ayyukan kayan aiki

1. Sanya juriya

2. Adana mai

3. Tauri

4. Juriya na lalata

5. Ƙarfi

6. Juriya mai zafi

7. Na roba

8. Yanke aikin

Daga cikin su, sa juriya da elasticity sune mafi mahimmanci.Abubuwan zoben zoben dizal mai ƙarfi sun haɗa da baƙin ƙarfe simintin ƙarfe, baƙin ƙarfe ductile, baƙin ƙarfe simintin ƙarfe, da baƙin ƙarfe mai simintin graphite.

Piston haɗa sandar taro

Babban abubuwan da ke tattare da ƙungiyar dizal janareta piston haɗa sandar ƙungiyar sune kamar haka:

1. Latsa-fit haɗa sandar jan karfe hannun riga.Lokacin shigar da hannun rigar tagulla na sandar haɗi, yana da kyau a yi amfani da latsa ko vise, kuma kada ku doke shi da guduma;ramin mai ko ramin mai akan hannun tagulla yakamata a daidaita shi da ramin mai akan sandar haɗin don tabbatar da lubrication.

2. Haɗa fistan da sandar haɗi.Lokacin haɗa fistan da sanda mai haɗawa, kula da matsayin dangi da daidaitawa.

Uku, fitin fistan da aka girka da wayo.Piston fil da ramin fil sun dace da tsangwama.Lokacin shigarwa, da farko sanya piston a cikin ruwa ko mai kuma yayi zafi sosai zuwa 90 ° C ~ 100 ° C.Bayan fitar da shi, sanya sandar taye a daidai wurin da ya dace tsakanin ramukan wurin zama na fistan, sannan shigar da fistan mai rufin mai a inda aka kayyade.a cikin ramin fil ɗin piston da igiyar haɗin jan ƙarfe

Na hudu, shigar da zoben piston.Lokacin shigar da zoben piston, kula da matsayi da tsari na kowane zobe.

Na biyar, shigar da ƙungiyar sanda mai haɗawa.

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