Menene nau'in hatimi, nau'in hatimi

 

Ƙaƙwalwar da ake kira daɗaɗɗen ƙura shine ƙura mai ƙura, don haka an rufe shi da kyau don kiyaye yanayin da aka tsara da kuma yanayin aiki na yau da kullum, ba da cikakken wasa ga aikin ƙaddamarwa, tsawaita rayuwar sabis na ɗaukar nauyi, kuma a sami hatimin da ya dace don jujjuyawar don guje wa ɗigon ruwan mai santsi da mamaye ƙura, tururin ruwa ko wani datti. Wannan yana ba da gudummawa ga kariyar ɗaukar hoto.

 

Nau'in Hatimin Hatimi:

Ttsarin na'urar da ke rufe na'urar birgima an raba shi zuwa hatimin lamba da hatimin da ba na sadarwa ba.

 

Hatimin bearings mara lamba

 

Ƙaddamar da hatimin da ba a tuntuɓi ba shine hanyar rufewa wanda ke tsara ƙaramin rata tsakanin shaft da murfin ƙarshen mahalli. Irin wannan tsarin rufewa ba ya tuntuɓar shaft, don haka babu rikici da lalacewa, kuma ya dace da juyawa mai sauri. Don haɓaka tasirin hatimi, ana iya cika rata da mai. Ƙarƙashin hatimin da ba a tuntuɓi ba ya haɗa da: hatimin rata, hatimin tsagi, hatimin labyrinth, hatimin slinger mai, da dai sauransu.

 

1. Gap sealing

Hatimin rata shine barin ƙaramin rata na annular tsakanin shaft da murfin ɗaukar hoto ta rami, ramin radius shine 0.1-0.3mm, tsayin rata yana ƙarami kuma ƙarami, mafi kyawun tasirin rufewa.

 

2. Oil tsagi sealing

 

Ana sarrafa hatimin tsagi na man fetur tare da tsagi mai annular a cikin jarida na rami na ciki na murfin ƙarshen hatimin, kuma ana rarraba ramin jagorar mai, kuma kowane mai annular yana sadarwa ta hanyar ramin jagorar mai kuma yana sadarwa tare da tankin mai. , da kuma adadin annular tsagi na man fetur da kuma man jagora tsagi an ƙaddara ta girman girman murfin ƙarshen hatimi.

 

3. Labyrinth sealing

Mahimmin ka'idar wannan hatimi shine ƙirƙirar tashar kwarara a hatimin tare da juriya mai girma. A tsari, an sami ƙaramin rata mai raɗaɗi tsakanin sashin tsaye da jujjuyawa don samar da "labyrinth".

 

4. Rufe slinger mai

 

Tuntuɓi hatimai don bearings

Hatimin tuntuɓar lamba ita ce hanyar rufe ƙarshen ko leɓe na roba na roba mai ɓarna akan kwarangwal ɗin ƙarfe, kuma aikin rufewarsa ya fi wanda ba a haɗa shi ba, amma juzu'in yana da girma, kuma yanayin zafi yana da girma. Yankin tuntuɓar shaft da hatimi yana buƙatar mai mai, yawanci tare da mai mai iri ɗaya kamar ɗaukar hoto. Hatimin tuntuɓar sun haɗa da: hatimin zobe na ji, kulle kwanon fata, hatimin zobe, hatimin kwarangwal, hatimin zobe, da sauransu.

 

1. Felt zobe sealing

An buɗe tsagi na trapezoidal akan murfin ɗaukar hoto, kuma an sanya kyakkyawan jin daɗin sashin rectangular a cikin ramin trapezoidal don tuntuɓar shaft, ko kuma an danna glandan axially don sanya zoben ji ya matsa kuma ya haifar da matsa lamba na radial don riƙe shi. shaft, don cimma manufar rufewa.

 

2.An rufe kwanon fata

 

Ana sanya kwanon fata da aka rufe (wanda aka yi da kayan kamar roba mai zana mai) a cikin murfin ɗaukar hoto kuma an danna kai tsaye a kan ramin. Don haɓaka tasirin hatimi, ana danna magudanar ruwan zobe a kan zoben ciki na kwano na fata, don haka zoben ciki na kwano na fata ya fi dacewa da shaft..

 

3. An rufe zoben rufewa

Ana yin hatimi sau da yawa da fata, filastik ko roba mai jurewa mai kuma ana iya yin su a cikin bayanan martaba daban-daban kamar yadda ake buƙata. Ƙwararren ƙwanƙwasa mai siffar 0 yana da bayanin martaba na madauwari, yana dogara da ƙarfinsa na roba don danna kan shaft, tare da tsari mai sauƙi da sauƙi taro da rarrabawa. Hakanan ana amfani da hatimai masu siffar J da U-dimbin yawa, duka biyun suna da tsarin lebe.

 

4. Rufe kwarangwal

 

Don haɓaka ƙarfin hatimin kwano na fata gabaɗaya, an shigar da rufin ƙarfe tare da ɓangaren giciye mai siffar L da siffar annular a cikin roba mai jure wa mai, don haka hatimin kwano na fata ba shi da sauƙin lalacewa, kuma An inganta rayuwar sabisA game da <7m/s, yawancin akwatunan famfo na tsakiya a halin yanzu an rufe su da kwarangwal.

 

5. Rufe zoben rufewa

Wannan wani nau'i ne na hatimi na annular tare da daraja, ana sanya shi a cikin ramin zobe na hannun riga, hannun riga yana jujjuyawa tare da shaft, kuma zoben rufewa yana danna bangon rami na ciki na sashin tsaye ta hanyar elasticity cewa an danna daraja, kuma yana iya taka rawar rufewa, kuma irin wannan rufewa ya fi rikitarwa.

 

Zaɓin tsarin hatimi

 

Lokacin zabar tsarin hatimi, manyan abubuwan da za a yi la'akari su ne: mai mai, wato, ko mai ko mai; Madaidaicin saurin sassa na rufewa; kuskuren shigarwa na shaft; Girma da farashin wurin shigarwa, da dai sauransu.