Okwu mmalite
O{0}}mgbanakana-arụ ọrụ dị oke mkpa n'igbochi mmiri mmiri ma ọ bụ gas na ngwa dị ka injin ụgbọ ala, akụrụngwa hydraulic, na ngwa ụlọ. Agbanyeghị, arụmọrụ akara na ndụ ọrụ nke mgbanaka O{1} na-adabere ọ bụghị naanị n'ụdị nhazi ya kamakwa, yana ikekwe karịa, n'ihe ya. Ihe dị iche iche rọba ma ọ bụ polymer nwere ogo dị iche iche nke nguzogide okpomọkụ, nguzogide mmanụ, yana nguzogide corrosion. Edemede a ga-ewebata ihe eji eme mgbanaka O{4} na njirimara ihe dị iche iche, na-enyere gị aka ịhọrọ ihe mgbanaka O{5} kacha dabara adaba na mpaghara ngwa gị.
Gịnị bụ ihe a na-ejikarị eme ihe maka O-Rings?
Ihe kpatara O-Mgbanaka na-eji Elastomer kama ihe ndị siri ike
O{0}mgbanaka na-abụkarị nke elastomers. Ha na-adabere na nrụrụ na-agbanwe iji mejupụta obere oghere dị n'elu akara akara, na-eme nrụgide kọntaktị mbụ. Mgbe a na-etinye nrụgide site na usoro usoro, nrụrụ nke elastomer na-enye ohere ka ọ gbakọọ mgbanaka O{3}, na-emepụta "self- mmetụta siri ike" iji kwalite ike akara. N'otu oge ahụ, nnukwu nkwụghachi azụ na obere mkparịta ụka nke elastomer na-enye ya ohere ịnọgide na-enwe ọdịdị ya na arụ ọrụ akara mgbe nrụgide ugboro ugboro na ịda mbà n'obi. Enweghị ike imechi akara nrụrụ dị ike a ma ọ bụrụ na ejiri ihe siri ike mee ihe.
Ngwa Elastomer nkịtị maka O-Mgbanaka
Arụmọrụ nke mgbanaka O{0} dabere n'ụzọ dị ukwuu na njirimara anụ ahụ na kemịkalụ nke elastomer eji. Ụdị ihe dị iche iche nke rọba na-egosipụta ogo dị iche iche nke nguzogide okpomọkụ, nguzogide kemịkalụ, nhazi mkpakọ, na ike ọrụ.
Nitrile Rubber (NBR)
Njirimara ihe
Nitrile butadiene roba (NBR) bụ copolymer nke butadiene na acrylonitrile. Oke acrylonitrile nwere ike ịdị iche dabere na ngwa ahụ; elu acrylonitrile ọdịnaya na-arụpụta mma mmanụ na mmanụ ụgbọala na-eguzogide. Ọ nwere oke ike siri ike, site na 40–90 Shore A, ma nwee ike ịrụ ọrụ na gburugburu site na -40 ogo ruo ogo +120. N'ihi nguzogide mmanụ ya, nkwụsi ike mmanụ, na ihe ndị dị mma na-arụ ọrụ, a na-ejikarị ya eme ihe na ụgbọ ala, mmanụ na gas, na ụlọ ọrụ kemịkalụ.
Oke
Ọ bụ ezie na NBR na-egosipụta ezigbo nguzogide na ọtụtụ kemịkalụ na ngwọta, ekwesịrị ịdebe ụfọdụ njedebe. Ekwesịrị idowe NBR pụọ na ozone, ọkụ ultraviolet, oxidants siri ike, mmanụ ọkụ dị elu{1} na-esi ísì ụtọ, na ihe ndị na-abụghị{2} polar solvents. E kwesịghị ikpughe ya na okpomọkụ dị elu ruo ogologo oge, n'ihi na ọ na-adịkarị mfe ịka nká.
Rubber Fluorocarbon (FKM/Viton)
Njirimara ihe
Fluorocarbon roba (FKM) bụ ihe eji arụ ọrụ dị elu{{0}. O{2}Mgbanaka ndị sitere na ya na-egosipụta nkwụsi ike kemịkalụ dị oke mma yana oke okpomọkụ (ruo ogo +200), iguzogide mmanụ, mmanụ ọkụ, ihe mgbaze, na kemịkalụ dị iche iche na-emebi emebi. A na-ejikarị ya na injin ụgbọ ala, sistemu ikuku, na akụrụngwa kemịkal.
Oke
Na mkpokọta, arụmọrụ okpomọkụ ya dị ala{{0} na-ebelata site na ịba ụba ọdịnaya fluorine. FKM nwere nnukwu fluorinated na-aghọ nkụkpọ n'obere okpomọkụ, na-eme ka ọ ghara ịdị mma maka ngwa na-achọ mgbanwe ọkụ dị ala{2} yana anabataghị gburugburu alkaline siri ike.
rọba silicone (VMQ)
Njirimara ihe
Ihe mgbanaka rọba silicone O{0} nwere ezigbo mgbanwe yana oke okpomọkụ. N'ihi ihe ha na-esi ísì ụtọ na ndị na-adịghị - na-egbu egbu, a na-eji ha eme ihe n'ọtụtụ nri{3}} ọkwa, ọgwụ na eletrọnịkị.
Oke
Silicone nwere ike n'ibu dị ala na nguzogide abrasion, na-eme ka ọ ghara ịdị mma maka ngwa mkpuchi ike dị mfe iyi, na-eduga na ntapu. Ọzọkwa, iguzogide ya na uzuoku, acids, alkalis, na mmanụ nwere oke.
Ethylene Propylene Rubber (EPDM)
Njirimara ihe
EPDM na-egosipụta ezigbo nguzogide mmiri, uzuoku, ọkụ ultraviolet, na ozone, ma na-ejigide ngbanwe ya n'ime oke okpomọkụ nke -50 degrees ruo +150 ogo. Ọzọkwa, ihe mkpuchi ọkụ eletrik ya dị mma. A na-ahụkarị ya na akụrụngwa dịka sistemu mmiri ọkụ na pipeline uzuoku.
Oke
Otú ọ dị, EPDM adabaghị maka mmanụ ala na mmanụ ọkụ- gburugburu. Ịkpọtụrụ mgbasa ozi ndị a ga-eme ka ọ zaa, mee ka ọ dị nro, ma ghara ịdị nro, n'ikpeazụ na-eduga ná ọdịda akara.
O{{0}Mgbanaka emelitere: Ụdị agbakọtara na mkpuchi
N'ọtụtụ ngwa dị oke egwu ma ọ bụ pụrụ iche, mgbanaka elastomer O{0}} nwere ike ọ gaghị emezu ihe achọrọ. Iji kwalite ịrụ ọrụ mgbanaka O{{2}, a na-eji mkpuchi mkpuchi na mkpuchi mepụta mgbanaka O{3} nke nwere ngwakọta ma ọ bụ arụrụ ọrụ ka ọ dabara n'ọtụtụ ngwa.
O-Mgbanaka akpọchiri
Mgbanaka O{0} ekpuchiri ekpuchi nwere isi ime resilient (nke a na-ahụkarị silicone ma ọ bụ fluororubber) na mkpuchi mkpuchi zuru oke, oyi akwa mpụta na-eguzogide ọgwụ (dị ka PTFE ma ọ bụ FEP). Isi ime resilient na-enye nkwụghachi ike dị mkpa maka akara nke onwe{3}, ebe oyi akwa dị n'elu na-echebe megide corrosion kemịkalụ, okpomọkụ dị elu, na esemokwu. nke ZhonggaoFEP nwere mkpuchi silicon O mgbanakana-ejikọta elasticity nke silicone na inertness kemịkalụ na nguzogide okpomọkụ nke FEP, na-eme ka ọ dabara maka akara akara chọrọ na gburugburu ebe siri ike.
Ekpuchiri O-Mgbanaka
mgbanaka O{0} nwere mkpuchibụ akara nwere mkpuchi na-arụ ọrụ pụrụ iche etinyere n'elu ọkọlọtọ elastomer O{0}mgbanaka. Ihe mkpuchi ahụ na-eme ka nguzogide kemịkalụ dịkwuo mma, na-ebelata esemokwu, ma na-eme ka nguzogide abrasion dịkwuo elu ka ọ na-edobe nkwụsi ike na nke onwe ya- na-eme ka akara nke ime resilient dị n'ime. Mgbanaka O- mkpuchi mkpuchi dị mma maka ngwa njide siri ike chọrọ obere esemokwu na nguzogide kemịkalụ, dị ka pistons hydraulic, rotary shafts, na nri ma ọ bụ akụrụngwa ọgwụ.
Mmechi
O{0}Mgbanaka bụ nke elastomers dị iche iche na-eme n'ụzọ bụ isi, na nhọrọ ihe kwesịrị ekwesị na-eme ka akara dị mma. Mgbe ụfọdụ, ọkọlọtọ elastomers enweghị ike ijikwa ọnọdụ ahụ, yana nnukwu{2}arụmọrụ O- nwere ike iji mkpuchi mkpuchi ma ọ bụ ihe mkpuchi. Ịhọrọ ihe kwesịrị ekwesị maka mgbanaka O{5} gị na-eme ka arụ ọrụ akara, ndụ ọrụ na nchekwa.
Zhonggao, dị ka onye na-emepụta mgbanaka na ndị na-ebubata ihe nwere ntụkwasị obi O- na China, ọ bụghị naanị na-enye mgbanaka{1} arụmọrụ O{2} dị elu emere site na elastomer ọkọlọtọ, kamakwa ọ na-enye nhazi nha, ọdịdị na arụmọrụ iji gboo mkpa gị.Kpọtụrụ anyịmaka ngwọta mgbanaka O{0} omenala ahaziri na ngwa gị.
