Sistemụ nnyefe hydraulic na-ewu ụlọ na ihe ndị bụ isi dị ka gearbox torque converter (nke a na-akpọ ya dị ka mgbanwe okpukpu abụọ) na sistemụ hydraulic na-arụ ọrụ na valvụ na-agbanwe ọtụtụ ụzọ na O-mgbanaka na akara ndị ọzọ, ọtụtụ n'ime ha ejirila fluorine roba (FKM) maka ịchichi ihe nwere ezigbo mmanu mmanu, nguzogide abrasion na iguzogide sistemu dị elu, yabụ na-eme ka usoro ahụ dịkwuo elu, na-egbochi ogologo oge nke usoro ahụ. nwetara mmetụta ụfọdụ. Otú ọ dị, n'ihi ịdị adị nke akàrà dị otú ahụ, ọnụ ahịa dị elu, adịghị mma na-eguzogide rancidity mmebi mmanụ, oyi na-eguzogide na ihe ndị ọzọ na-adịghị mma, na-eme ka ọnụ ahịa ngwaahịa na-abawanye, ma na-emetụta ahịa nke ngwaahịa ahụ, n'ihi ya, ọ dị mkpa ịchọta ihe mkpuchi akụ na ụba na nke na-adịgide adịgide kama ịbụ ihe mkpuchi dị ugbu a.
HNBR na Njirimara Ya
HNBR bụ ụdị elastomer ọhụrụ na-eguzogide mmanụ nke Nippon Zeon webatara na 1984, bụ nke emepụtara iji gboo mkpa ngwa ngwa maka akwa rọba n'okpuru ọnọdụ siri ike na ụlọ ọrụ ụgbọ ala. Ọ bụ ezigbo mmanu mmanu mmanu nke nitrile roba (koodu aha NBR) molekul Ọdịdị nke carbon-carbon abụọ bond selectively hydrogenated (jupụtara) nhazi nke molekụla Ọdịdị nke mgbanwe, na-agbanwe NBR okpomọkụ na-eguzogide, maroon chemical nkwụsi ike nke adịghị ike nke ndị ogbenye, na magburu onwe ike na iguzogide elu na ala okpomọkụ, iguzogide mmanụ na chemical media dị ka iguzogide nguzozi, pụrụ iche na nnọọ ike. N'otu oge ahụ na-ejigide ndị magburu onwe eyi iguzogide na processability nke NBR. Tụnyere FKM na NBR
Njirimara arụmọrụ HNBR bụ ndị a:
(1) Mgbanwe okpomọkụ: HNBR nwere ike iji ogologo oge na l50 ℃ , obere oge iji okpomọkụ ruo l75 ℃.
HNBR, enwere ike iji ya ogologo oge na 230 ℃ , obere oge iji okpomọkụ ruo 300 ℃ . HNBR na-eguzogide okpomọkụ n'etiti NBR na FKM, ma n'ihe banyere obere okpomọkụ na-eguzogide, FKM oyi na-eguzogide adịghị mma (-15 ℃ nke dị mfe mgbawa); na HNBR nwere ọmarịcha arụmọrụ dị ala, yana ezigbo nguzozi n'etiti nguzogide mmanụ
(2) Anụ ahụ na n'ibu Njirimara: ọtụtụ mmanụ na-eguzogide roba n'ihi na ala tensile ike, ya mere, ọ na-amachi ókè nke ngwa ya, dị ka FKM tensile ike nke 19.6-21.6MPa, HNBR ike karịa NBR, ACMXNBR, EPDM na FKM na ndị ọzọ na ụdị roba dị elu, dị ka Zeon ZSC hydrogenated nitrile 6MP ike dị mkpa karịa HNBR tensilene. na okpomọkụ dị elu (Nke ka mkpa, HNBR na elu okpomọkụ (15O ℃ ) n'okpuru ike (14.7-29.4MPa) na ụlọ okpomọkụ NBR ịnọgide na-enwe otu larịị na elu okpomọkụ dị iche iche nke mgbagwoju mmanụ na chemical media ka nwere ike ịnọgide na-enwe magburu onwe n'ibu Njirimara, elu okpomọkụ anụ ahụ na n'ibu Njirimara dị mma karịa ọtụtụ ndị ọzọ na-agbanwe ah ahụ, ezi abrasion eguzogide.
Nchikota nke teknụzụ, ị nwere ike nweta arụmọrụ nrụrụ na-adịgide adịgide nke oke okpomọkụ, yana arụmọrụ FKM adịghị mma.
(3) Mgbasa mgbasa ozi kemịkalụ: HNBR nwere oke mmanu mmanu mmanu na oke okpomoku, iguzogide otutu mmanu hydraulic mmanụ, mmanụ mmanụ nwere ihe mgbakwunye dị iche iche, mmanụ oxidizing siri ike na arụ ọrụ slag metal, ma nwee nguzogide ozone, oke ọkụ ọkụ na-eguzogide mmiri na mmiri ọkụ.
Site n'elu e ji mara nke HNBR, tụnyere FKM, mbụ mma n'ozuzu arụmọrụ, FKM, ọ bụ ezie na okpomọkụ na-eguzogide, mmanụ iguzogide, iguzogide combustion mmanụ dị mma karịa HNBR, ma HNBR na-arụ ọrụ okpomọkụ nke n'ibu Njirimara nke uzuoku iguzogide, iguzogide mmanụ mgbakwunye, iguzogide ọxịdashọn na rancidity mbibi nke mmanụ na ndị ọzọ chemical Njirimara, dị ka elu na FKM. Tụkwasị na nke ahụ, FKM na nhazi na ịkpụzi usoro n'ihi adịghị mma na-adịghị mma nke ihe onwunwe, akụrụngwa na arụmọrụ ngwaahịa adịghị eguzosi ike, ya mere ọnụ ahịa ya. Tụkwasị na nke ahụ, FKM dị oke ọnụ na usoro mmepụta na ịkpụzi n'ihi ihe na-adịghị mma na-adịghị mma, ihe ndị na-adịghị akwụsị akwụsị na arụmọrụ ngwaahịa, ebe HNBR dị ọnụ ala karịa FKM n'ihi nhazi na nhazi ihe dị mma, arụmọrụ kwụsiri ike na ọnụ ala dị ala.
Ọnọdụ ngwa nke HNBR na nyocha nke ngwa ya na igwe ihe owuwu
N'ihi ọmarịcha arụmọrụ zuru oke nke HNBR, a na-eji ya n'ọtụtụ akụkụ iji dochie FKM na mba ọzọ: ejiri ya na ụlọ ọrụ ụgbọ ala na-emepụta ụgbọ ala crankshaft n'ihu na azụ na mkpuchi mmanụ gearbox, mkpuchi mkpuchi ụdị H, akara maka usoro ịgba mmanụ, piston cylinder vibration damping seals, carburetor O-rings, wdg; na n'ime ụlọ ọrụ metallurgical, a na-eji ya na-arụ ọrụ nke metallurgy high-line rolling axle axle dayameta nke nwere akụkụ abụọ, na ihe nkedo maka cylinders nke nwere ụdị fan na igwe na-aga n'ihu na ụlọ; na n'ime ụlọ ọrụ mmanụ, a na-eji ya eme ihe na-emepụta ihe na-emepụta ihe na-emepụta ihe na-emepụta ihe na-eme ka ọ bụrụ ihe na-emepụta ihe. N'ime ụlọ ọrụ na-emepụta mmanụ, a na-eji ha na-eme ka akara nke ihe mkpuchi ihe mkpuchi maka ịkụnye olulu mmiri, mkpuchi mgbapụta mmanụ mmanụ, na ihe ndị ọzọ.
N'ihi na loaders na ndị ọzọ na-ewu ígwè ọrụ, ya hydraulic nnyefe components dị ka gearboxes, torque Ntụgharị esịtidem nkịtị arụ ọrụ okpomọkụ theoretically 8O-90 ℃ , nke kasị elu adịghị gafere 120 ℃ , ma dị ka ogologo awa nke overloaded ọrụ. Ruo ma ọ bụ ọbụna karịa 130 ℃ esịtidem okirikiri nke elu-okpomọkụ mmiri na-emebi emebi na-emebi oge, mgbe akụkụ nke metal slag (meshing ije nke metal components na oge nke ọrụ usoro nke metal shavings na-ada na-arụ ọrụ usoro) na elu-okpomọkụ mmanụ ọkụ chụpụrụ site akàrà mere site mmetụta nke akàrà, ọrụ n'ebe ahụ.
Ya mere, HNBR nwere ike na-eji na elu okpomọkụ ike, ala okpomọkụ na-eguzogide, elu okpomọkụ mkpakọ na-adịgide adịgide deformation, oxidation na acid mmebi nke mmanụ na metal sludge arụmọrụ na akụkụ ndị ọzọ nke price nke uru gosiri, na ya nnọchi nke ugbu a FKM akara, ma iji melite ọrụ ndụ nke akàrà, ma na-ebelata ugboro nke nnọchi nke na-arụ ọrụ media; na elu okpomọkụ iguzogide FKM bụ nke ukwuu obere. N'ihi na-ewu ígwè ọrụ ngwaọrụ hydraulic usoro, usoro na-arụ ọrụ nrụgide bụ n'ozuzu 16MPa (bụ a elu-nrụgide usoro), na-arụ ọrụ ọkara (HM46 ma ọ bụ HM32 haịdrọlik mmanụ) nke nkịtị na-arụ ọrụ okpomọkụ nke 45-55 ℃ , n'ihi na-arụ ọrụ na ọnọdụ nke ngwaọrụ adịghị mma, tinyere na-ezighị ezi ọrụ nke onye ọrụ nakwa dị ka ihe bara uru nke usoro aku na uba na-eme ka aku na uba na-arụ ọrụ nke onye ọrụ na-arụ ọrụ nke hydraulic. eruba mmanụ okpomọkụ Karịrị oke a, si otú a na-akpata mmebi nke mmanụ hydraulic.
Na mgbakwunye, mejupụtara nke hydraulic usoro components nke elu-ọsọ rotary ije (hydraulic mgbapụta) na ugboro ugboro reciprocating sliding (hydraulic cylinder piston mkpara na multi-ụzọ reversing valvụ valvụ azuokokoosisi) na-arụpụtakwa metal slag na mmanụ emebi emebi, na akàrà nwekwara mere site mmetụta nke esemokwu, na usoro ndị ọzọ ọdịda mere site na nrụgide Mbelata na ọbụna na-enwe mmetụta na-adịghị mma na klas nke ọnwụ nke ugbu a na klas nke ọnwụ BR ugbu a. akàrà, n'ihi na ya tensile ike na iguzogide nbibi nke mmanụ Njirimara N'ihi na ẹdude NBR akàrà, n'ihi na ya tensile ike na iguzogide nbibi nke mmanụ na dị nnọọ mfe ịda, n'ihi na ike nke HNBR, ezi mgbake, na akụkụ nke mberede ọnwụ nke nrụgide na arụmọrụ nke akàrà nwere obere mmetụta, otú na hydraulic usoro nke cylinders, nfuli, ike iji hydraulic nke ọzọ na mmiri na-eme ihe na hydraulic components, n'ihi na ike nke HNBR. akara akara na ndụ ọrụ.
