O-ring (O-ring)zoben rufewa na roba ne tare da sashin giciye madauwari.Saboda sashin giciye mai siffar O, ana kiransa O-ring, kuma ana kiransa O-ring.Ya fara bayyana ne a tsakiyar karni na 19, lokacin da aka yi amfani da shi azaman abin rufewa na silinda na injin tururi.
O-zobeana amfani da su musamman don rufewa a tsaye da kuma ɗaukar hatimin motsi.Lokacin da aka yi amfani da shi don jujjuya motsin motsi, an iyakance shi ga na'urorin rufewa mai ƙananan sauri.Gabaɗaya ana shigar da zoben O-ring a cikin tsagi tare da ɓangaren giciye mai kusurwa huɗu akan da'irar waje ko da'irar ciki don yin aikin hatimi.Hatimin O-ring har yanzu suna taka rawar gani sosai wajen rufewa da shawar girgiza a cikin mahalli kamar juriyar mai, acid da alkali, abrasion, da yashwar sinadarai.
Fasalolin O-ring:O-ring yana da kyakkyawan aikin rufewa da tsawon rayuwar aiki.Rayuwar aiki na hatimin matsa lamba mai ƙarfi shine sau 5-10 sama da na samfuran rufewar roba na yau da kullun, har zuwa sau da yawa.A ƙarƙashin wasu sharuɗɗa, yana iya samun rayuwa iri ɗaya da matrix ɗin rufewa..Juriya na juriya na O-ring yana da ƙananan, kuma ƙarfin daɗaɗɗen daɗaɗɗen ya zama daidai, wanda shine 1 / 2-1 / 4 na gogayya na zoben roba mai siffar "0", wanda zai iya kawar da al'amuran "jarrafe" na ƙananan sauri da ƙananan motsi.O-ring ɗin yana da juriya sosai, kuma yana da aikin diyya ta atomatik bayan an sawa saman hatimi.O-rings suna da kyawawan kaddarorin sa mai.Ana iya amfani da shi azaman hatimin man shafawa mara mai.O-ring yana da tsari mai sauƙi kuma yana da sauƙin shigarwa.O-ring aiki matsa lamba: 0-300MPa;gudun aiki: ≤15m/s;aiki zafin jiki: -55-250 digiri.O-ring m matsakaici: na'ura mai aiki da karfin ruwa mai, gas, ruwa, laka, danyen mai, emulsion, ruwa-glycol, acid.
Amfanin O-rings:Idan aka kwatanta da wasu nau'ikan zoben hatimin, O-zoben suna da waɗannan fa'idodi daban-daban: Sezantic canzawa an daidaita shi, ya dace da yawan motsi : Rotary motsi, axial reciprocating motsi ko hade motsi (kamar rotary reciprocating hade motsi), dace da wani iri-iri daban-daban sealing kafofin watsa labarai: mai, ruwa, gas, sinadaran kafofin watsa labarai ko sauran gauraye kafofin watsa labarai, ta hanyar zabar dace Advanced roba abu da kuma dace. Ƙirar ƙira na iya samun tasiri mai tasiri akan mai, ruwa, iska, iskar gas da kafofin watsa labaru daban-daban.Matsakaicin zafin jiki yana da faɗi (- 60 ℃ ~ + 220 ℃), kuma matsa lamba na iya kaiwa 1500Kg / cm2 a tsayayyen amfani (amfani tare da zoben ƙarfafawa).Zane yana da sauƙi, tsarin yana da mahimmanci, kuma taro da rarrabawa sun dace.Tsarin gicciye na O-ring yana da sauƙi mai sauƙi, kuma yana da aikin rufewa, kuma aikin hatimi yana dogara.Tun da tsarin tsarin O-ring da kanta da ɓangaren shigarwa suna da sauƙi da daidaitawa, yana da sauƙin shigarwa da maye gurbin.Akwai nau'ikan kayan da yawa: zaku iya zaɓar bisa ga ruwa daban-daban: akwai roba nitrile (NBR), roba na fluorine (FKM), roba silicone (VMQ), roba ethylene propylene (EPDM), roba neoprene (CR), butyl rubber. (BU), polytetrafluoroethylene (PTFE), roba na halitta (NR), da dai sauransu, tare da ƙananan farashi da ƙananan ƙarancin juriya mai ƙarfi.
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Iyalin aikace-aikacen O-ring: O-zobba sun dace don shigarwa akan kayan aikin injiniya daban-daban, kuma suna taka rawar rufewa a cikin matsayi mai tsayi ko motsi ƙarƙashin ƙayyadadden zafin jiki, matsa lamba, da kafofin watsa labarai na ruwa da gas daban-daban.Ana amfani da nau'ikan hatimi iri-iri a cikin kayan aikin injin, jiragen ruwa, motoci, kayan aikin sararin samaniya, injunan ƙarfe, injinan sinadarai, injin injiniya, injin gini, injin ma'adinai, injinan mai, injin filastik, injinan noma, da kayan kida da mita iri-iri.kashi.Ana amfani da zoben o-ring musamman don hatimi a tsaye da maimaituwar hatimin motsi.Lokacin da aka yi amfani da shi don jujjuya motsin motsi, an iyakance shi ga na'urorin rufewa mai ƙananan sauri.Gabaɗaya ana shigar da zoben O-ring a cikin tsagi tare da ɓangaren giciye mai kusurwa huɗu akan da'irar waje ko da'irar ciki don yin aikin hatimi.Hatimin O-ring har yanzu suna taka rawar gani sosai wajen rufewa da shawar girgiza a cikin mahalli kamar juriyar mai, acid da alkali, abrasion, da yashwar sinadarai.Saboda haka, O-ring shine hatimin da aka fi amfani dashi a cikin tsarin watsa ruwa da na'ura mai kwakwalwa.
Lokacin aikawa: Fabrairu-20-2023