menene hatimin mai kuma menene bambanci tsakanin hatimin mai TC, hatimin mai TB, hatimin mai ta TA?

Injin yana samar da hatimin mai

• TC ita ce hanyar wakilci don sababbin ƙa'idodin ƙasa.

Japan, Taiwan, da sauran wurare.FB ita ce hanyar wakilcin tsohuwar ma'aunin ƙasa, tare da tsari iri ɗaya da abun ciki.Hakazalika, yawancin ƙa'idodin Turai suna amfani da AS don wakiltar hatimin TC da FB.Ma'auni na FB da FC sune GB10708.3-189.TC ita ce hanyar wakilci don sababbin matakan ƙasa, Japan, Taiwan, da sauran wurare.Hatimin mai TC wani nau'in inji ne da ake amfani da shi don hatimi mai (man shine mafi yawan abubuwan ruwa a cikin tsarin watsawa, wanda kuma galibi ake magana da shi azaman kayan ruwa na gabaɗaya).

(1).FB ita ce hanyar wakilcin tsohuwar ma'aunin ƙasa, tare da tsari iri ɗaya da abun ciki.

(2).Yawancin ma'auni na ciki a Turai suna amfani da hatimin mai AS don wakiltar hatimin TC da FB.

Ana amfani da hatimin mai a ko'ina a fannonin masana'antu daban-daban, musamman a cikin kayan aikin injiniya kamar na'urorin lantarki, injina, famfo, akwatunan gear, na'urorin watsawa, da motoci.Suna taimakawa wajen kula da aikin yau da kullun na kayan aikin injiniya, tsawaita rayuwar kayan aiki, rage farashin kulawa, da tabbatar da ingantaccen aikin kayan aiki.

Zane da zaɓi na hatimin mai dole ne suyi la'akari da dalilai masu yawa, ciki har da yanayin aiki, nau'in ruwa, kewayon zafin jiki, buƙatun matsa lamba, buƙatun sauri, da sauransu.Nau'o'in hatimin mai na yau da kullun sun haɗa da hatimin rotary, piston seals, static seals, da dai sauransu. Hatimin mai yawanci yana da leɓuna na ciki da na waje, tare da leɓen ciki damƙaƙƙe a kan madaidaicin jujjuya da leɓen waje tam a kan tsayayyen abubuwan da aka gyara.Wannan yana haifar da sakamako na rufewa saboda juzu'i tsakanin lebe na ciki da na waje yayin aikin jujjuyawar shaft.

A taƙaice, hatimin mai suna taka muhimmiyar rawa a fannoni kamar injiniyoyin injiniya, motoci, da kayan masana'antu, tabbatar da aikin yau da kullun na kayan aikin injiniya, hana ɗigon ruwa da ƙazanta na waje shiga, ta haka ne ke tabbatar da kwanciyar hankali, aminci, da ingantaccen aikin kayan aiki.

1.Hanyar wakilcin hatimin mai

Hanyoyin wakilci gama gari:

Nau'in hatimin mai - diamita na ciki - diamita na waje - tsayi - abu

Misali, TC40 * 62 * 12-NBR tana wakiltar hatimin kwarangwal na lebe biyu tare da diamita na ciki na 40, diamita na waje na 62, kauri na 12, da wani abu na roba nitrile.

2.Material na hatimin mai

Nitrile roba (NBR): lalacewa-resistant, mai resistant (ba za a iya amfani da iyakacin duniya kafofin watsa labarai), zazzabi juriya: -40 ~ 120 ℃.

Hydrogenated nitrile roba (HNBR): Wear juriya, mai juriya, tsufa juriya, zazzabi juriya: -40 ~ 200 ℃ (ƙarfi fiye da NBR zafin jiki juriya).

Fluorine m (FKM): acid da alkali resistant, mai resistant (duk mai resistant), zafin jiki resistant: -20 ~ 300 ℃ (mai juriya ne mafi alhẽri daga sama biyu).

Polyurethane roba (TPU): Juriya juriya, juriya tsufa, juriya zafin jiki: -20 ~ 250 ℃ (kyakkyawan juriya tsufa).

Silicone roba (PMQ): zafi resistant, sanyi resistant, kananan matsawa sa, low inji ƙarfi, zazzabi juriya: -60 ~ 250 ℃ (mafi kyau zazzabi juriya).

Polytetrafluoroethylene (PTFE): Kyakkyawan kwanciyar hankali na sinadarai, juriya ga kafofin watsa labaru daban-daban kamar acid da alkali, mai, juriya na juriya, juriya mai zafin jiki, ƙarfin injiniya mai ƙarfi, da lubrication mai kyau.

Gabaɗaya magana, kayan da aka saba amfani da su don hatimin kwarangwal sune roba nitrile, fluororubber, robar silicone, da polytetrafluoroethylene.Saboda kyawun mai da kansa, musamman idan an ƙara shi da tagulla, suna da sakamako mafi kyau, kuma ana amfani da su don yin zoben riƙewa, Gly zobe, da Stuart seals.

Bambance samfurin hatimin kwarangwal mai

Za a iya raba hatimin kwarangwal mai nau'in C zuwa nau'i biyar: nau'in SC, nau'in TC, nau'in VC, nau'in KC, da nau'in DC.Su ne hatimin kwarangwal ɗin mai leɓe guda ɗaya, hatimin kwarangwal ɗin mai leɓe biyu, hatimin kwarangwal ɗin mai kyauta na leɓe guda ɗaya, hatimin kwarangwal ɗin mai kyauta na leɓe biyu, da hatimin kwarangwal ɗin mai kyauta na leɓe biyu.(Muna ba da shawarar ku kula da asusun "Injin Injiniya" na hukuma don fahimtar ilimin busassun kaya da bayanan masana'antu a farkon lokaci)

Hatimin kwarangwal mai nau'in G yana da siffar zare a waje, mai kama da nau'in C.An gyaggyarawa kawai don samun siffar zaren a waje dangane da fasaha, kama da aikin O-ring, wanda ba wai kawai yana ƙarfafa tasirin hatimi ba amma yana gyara hatimin mai ba tare da kwance ba.

Hatimin kwarangwal mai nau'in B yana da manne a gefen kwarangwal na ciki ko kuma babu wani abin ɗaure a bangarorin biyu na kwarangwal.Rashin mannewa zai inganta aikin zubar da zafi.

Hatimin kwarangwal mai nau'in A shine hatimin mai da aka riga aka kera tare da tsari mai rikitarwa idan aka kwatanta da nau'ikan nau'ikan guda uku na sama, wanda ke nuna mafi kyawun aiki da matsi.

3. Dukkansu suna da nau'i daban-daban na hatimin mai kuma ana kiran su da maƙasudin mai kamar haka:

4.Ka'idar Hatimi da Aiwatar da Hatimin Mai

The kwarangwal man hatimi ya kasu kashi uku sassa: kai tightening spring, sealing jiki, da kuma karfafa kwarangwal.The sealing manufa na kwarangwal man hatimin: Saboda kasancewar wani man fim sarrafa da man hatimin ruwa tsakanin man hatimi da shaft. , Wannan fim ɗin mai yana da halaye na lubrication na ruwa. Binciken ƙa'idar Sealing: A ƙarƙashin aikin hatimin kwarangwal mai kwarangwal, ƙarancin fim ɗin mai daidai ya samar da yanayin jinjirin wata a ƙarshen lamba tsakanin fim ɗin mai da iska, yana hana zubar da ruwa. matsakaicin aiki da kuma cimma nasarar hatimi na jujjuyawar jujjuyawar.Ƙarfin hatimin hatimin mai ya dogara da kauri na fim ɗin mai akan farfajiyar rufewa.Idan kaurin ya yi girma sosai, hatimin mai zai zube;Idan kauri ya yi ƙanƙanta, busassun gogayya na iya faruwa, yana haifar da lalacewa akan hatimin mai da magudanar ruwa;Babu fim ɗin mai tsakanin leɓen rufewa da shaft, wanda zai iya haifar da dumama da lalacewa cikin sauƙi.Sabili da haka, a lokacin shigarwa, wajibi ne a yi amfani da man fetur zuwa zoben rufewa yayin da tabbatar da cewa kwarangwal mai kwarangwal ya kasance daidai da layin tsakiya.Idan ba a kai a kai ba, leɓen hatimin hatimin mai zai zubar da man mai daga ramin kuma ya haifar da wuce gona da iri na leɓen rufewa.Yayin aiki, man mai da ke cikin harsashi yana ɗan ɗan fita don ya fito a saman rufewa.

 5. Aikin hatimin kwarangwal mai

Gabaɗaya, abubuwan da ke buƙatar mai a cikin abubuwan watsawa sun keɓance daga abubuwan da ake fitarwa don hana zubar da mai.Ana amfani da ita don jujjuya ramummuka kuma nau'in hatimin leɓe ne mai juyawa.kwarangwal yana kama da sandunan ƙarfe a cikin simintin, yana taka rawar ƙarfafawa da ba da damar hatimin mai don kiyaye siffarsa da tashin hankali.Dangane da nau'in kwarangwal, ana iya raba shi zuwa hatimin kwarangwal na ciki, hatimin kwarangwal na waje, da hatimin kwarangwal mai fallasa ciki da waje.An yi hatimin kwarangwal mai inganci da robar nitrile mai inganci da farantin karfe, tare da ingantaccen inganci da tsawon rayuwar sabis.

1. Hana laka, ƙura, damshi, da dai sauransu daga shiga cikin ma'auni daga waje;

2. Ƙayyade ɗigon man mai a cikin ɗigon ruwa.Abubuwan da ake buƙata don hatimin mai shine cewa girman (diamita na ciki, diamita na waje, da kauri) ya kamata ya bi ka'idoji;Bukatar elasticity mai dacewa don damke sandar daidai da samar da tasirin hatimi;Ya kamata ya zama mai juriya da zafi, mai juriya, mai ƙarfi, mai juriya ga kafofin watsa labarai (kamar mai ko ruwa), kuma yana da tsawon rayuwar sabis.

6.Zaben hatimin mai

Zaɓin hatimin mai ya kamata ya dogara ne akan matsakaicin rufewa da yanayin aiki.Matsakaicin rufewa yana buƙatar zaɓar kayan hatimin mai, kuma yanayin aiki galibi yayi la'akari da matsa lamba na amfani, saurin layin aiki, da kewayon zafin aiki.

Lokacin zabar kayan don hatimin mai, ya wajaba a yi la'akari da dacewa da kayan aiki tare da matsakaicin aiki, daidaitawa ga kewayon zafin jiki na aiki, da kuma ikon lebe don bin saurin juyawa na jujjuyawar juyawa.Lokacin aiki tare da hatimin man fetur na gabaɗaya, yawan zafin jiki na leben sa shine 20 ~ 50 ℃ sama da zafin jiki na matsakaicin aiki.Ya kamata a ba da hankali lokacin zabar kayan hatimin mai.

Matsalolin sabis na hatimin mai gabaɗaya baya wuce 0.05MPa.Lokacin da matsin aiki ya wuce wannan ƙima, yakamata a zaɓi hatimin mai mai jure matsi.(Muna ba da shawarar ku kula da asusun "Injin Injiniya" na hukuma don fahimtar ilimin busassun kaya da bayanan masana'antu a farkon lokaci)

A ƙarƙashin yanayin diamita guda ɗaya, hatimin mai da aka yi da kayan daban-daban suna da damar daban-daban don dacewa da saurin madaidaiciyar jujjuyawar shaft.Matsakaicin saurin layin da ake amfani da shi don hatimin mai gabaɗaya bai wuce 15m/s ba.

The aiki kewayon man hatimi yana da alaka da kayan amfani: -40 ~ 120 ℃ ga nitrile roba (NBR), -30 ~ 180 ℃ ga acrylic roba (ACM), da -25 ~ 300 ℃ ga fluororubber (FPM).

7.Design bukatun don madaidaicin shafts da cavities

Zane:

1. Tashin ƙasa, saboda bambance-bambancen saurin bututu da ƙarar mai, gabaɗaya na iya shafar hatimin hatimin mai da lalacewa idan roughness ɗin ya yi girma ko ƙanƙanta.Matsakaicin da aka ba da izini na rashin ƙarfi na shaft shine Rz1.0 ~ 5.0 μ M;Ra0.2 ~ 0.8 μ M. Dauki 2.5-1.6 hatimin mai don jujjuya shaft μ MRz.

2. Tauri, taurin saman na jujjuya shaft ana ɗauka azaman ≥ 35HRC.Lokacin da matsakaici ya zama datti, akwai gurɓata daga waje, ko kuma saurin saman shaft shine> 12m / s, taurin saman ya kamata ya kasance sama da 55HRC, kuma zurfin quenching Layer a kan shaft ya kamata ya zama> 0.2 mm.

3. Shawarar chamfer na shaft yana tsakanin 15 ° da 30 °, don tabbatar da cewa an shigar da hatimin mai da gaske ba tare da lalata leben hatimin mai ba.

4. Yin aiki na shaft da kuma daidaitaccen aiki na shinge shine dalilai masu mahimmanci don tabbatar da aikin al'ada na tsarin rufewa.Hanyar da ta dace don sarrafa sandar hatimin mai ita ce samar da daidaiton niƙa a kwance kuma a goge shi da takarda Emery.Hanyoyin sarrafawa da ba su dace ba su ne ingantattun mashin ɗin, ƙwaƙƙwaran mashin ɗin, jujjuyawar mashin ɗin, da walƙiya yashi na lu'u-lu'u akan lathe (takardar yashi tana goge ta hanyar motsi axial).

5. The abu na shaft ne yafi talakawa carbon tsarin karfe, kamar C35 da C45, kazalika da jefa baƙin ƙarfe, tukwane, da guduro roba.Koyaya, hatimin hatimin mai a cikin abubuwa uku na ƙarshen ramin yana da lahani.

1. Da shawarar shigarwa chamfer darajar ne 15 ° ~ 30 °.

2. Abubuwan da ke cikin ɗakin shine ƙarfe ko simintin ƙarfe, kuma an yarda da amfani da hatimin mai tare da roba ko kewayen waje.Gabaɗaya, gami da resins masu haske suna da babban haɓakar haɓakar thermal, yana sa ya dace don amfani da hatimin mai tare da roba a kusa da su.

3. Tsarin rami mara kyau, kamar waɗanda ake sarrafa ta tambari, waɗanda aka sanya tare da haɗaɗɗun zaren, da waɗanda ke da tsaga.

8.Shigar da hatimin mai

1.Kafin shigarwa, yakamata a sanya hatimin mai daidai da lithium ester mai dauke da molybdenum disulfide tsakanin lebe don hana bushewar bushewa a kan lebe lokacin da shaft ya fara nan take, yana shafar tsangwama na lebe.Ya kamata a gudanar da taro da wuri-wuri.Idan ba a shigar da kujerar hatimin mai nan da nan ba, ana ba da shawarar a rufe shi da zane don hana abubuwa na waje manne da hatimin mai.Hannun ko kayan aikin da ake amfani da su don shafa man shafawa na lithium dole ne su kasance masu tsabta.(Muna ba da shawarar ku kula da asusun " Injiniya Injiniya" don fahimtar ilimin busassun kayan masarufi da bayanan masana'antu a farkon lokaci)

2. Ya kamata a shigar da hatimin mai ba tare da karkata ba.Ana ba da shawarar yin amfani da kayan aikin hydraulic ko kayan aikin hannu don shigarwa.Matsi bai kamata ya yi yawa ba, kuma gudun ya zama iri ɗaya kuma a hankali.

3. Lokacin shigar da hatimin mai, sai a shafa mai ko mai mai mai sannan a zagaye ƙarshen shaft da kafada.

4.Lokacin shigar da hatimin mai, tabbatar da fuskantar ƙarshen leɓe zuwa gefen man da aka rufe, kuma ku guje wa haɗuwa.

5. Lokacin shigar da hatimin mai a cikin rami na wurin zama, ya kamata a yi amfani da kayan aiki na musamman don tura shi don hana karkacewa.

6. Ya kamata a dauki matakai daban-daban don hana lalacewar lebe a zaren, keyways, splines, da dai sauransu inda leben hatimin mai ya ratsa, sannan a yi amfani da kayan aiki na musamman wajen hadawa.

7. Lokacin rarraba hatimin mai, guje wa lalata saman cikin rami da saman shaft.

8. Hatimin mai da aka yi amfani da shi, ko da yana da kyau, ba za a iya amfani da shi ba kuma dole ne a maye gurbinsa da sabon.

9. Lokacin da akwai tsatsa ko tsatsa a saman shinge, dole ne a gyara shi.

Lokacin shigar da sabon hatimin mai, don nisantar da shi daga tsohon wurin tuntuɓar leɓe, yakamata a yi amfani da gasket don guje wa alamun gogayya na asali.

man hatimin shugabanci na shigarwa

9.The size tebur for TC man hatimi, SC man hatimi, A man hatimi, AS man hatimi.