Gafe min bɛ se ka da a kan, min bɛ tali kɛ fɛnw, dɛsɛ fɛɛrɛw ani ɛntɛrinɛti sɛgɛsɛgɛli la
Fluid power systems—hydraulique ani pneumatique—ye bi iziniw ka 'muscle and nerves' ye. U bɛ fanga lase ji degunlen fɛ ciriw datugulen kɔnɔ, wa sigilanw ye barika ye min bɛ o sɛrɛkili datugulen to . Ni sigili ma ɲɛ, o nɔ man teli ka kɛ 'bɔn fitinin dɔrɔn ye': i bɛ se ka teliya ka degun basigibaliya sɔrɔ, nɔgɔ, actuator baarakɛbaliya, ani jɔli waati labɛnbali.
Sigili suguya bɛɛ cɛma, O-ringw bɛ to ka baara kɛ ni u ye kosɛbɛ ji fanga la bawo u ka nɔgɔn, u musaka ka dɔgɔ, wa u bɛ sigili kɛ sira fila fɛ . Nka ka da dannaya siratigɛ la, elastomɛriw tɛ fɛnw ye minnu bɛ se ka kɛ siɲɛ kelen. Ni degunba kɛra, sigilanw bɛ se ka bɔ kɛnɛma; funteni caman kɔrɔ, elastomɛriw bɛ tiɲɛ kemikɛli fɛ ani ka degun seti yiriwa ; nɛnɛ jugumanba kɔrɔ, fɛnw bɛ dɔgɔya ani ka bɔnɛ u ka ɲɔgɔn sɔrɔli degun na. O de kama, polimɛri chimie + compounding + baarakɛcogo lakikaw faamuyali nafa ka bon jiko injiniyɛri, ladonni ɲɛmɔgɔ, ani OEM sannikɛla bɛɛ bolo.
Nin gafe in bɛ fɛnw dɔnniya jɔnjɔnw sabati, dɛsɛ fɛɛrɛ minnu ka ca kosɛbɛ, ani sɛgɛsɛgɛli sariya minnu bɛ se ka kɛ ka dannaya fɔlɔ sigicogo dɔ jɔ —kɛrɛnkɛrɛnnenya la, jiko gɛlɛnw na minnu bɛ kɛ Belt & Road suguw kɔnɔ Irisikan fɔbagaw ni Ɛsipaɲɔlikan fɔbagaw ka maraw kɔnɔ.
1) Mun na elastomɛri sugandili ye sistɛmu dannayako latigɛ ye (a tɛ latigɛ ye min bɛ kɛ ni yɔrɔ dɔw ye) .
Jiko siratigɛ ye cakɛda ye. Ni sigilan ye fɛn barikama ye, dɛsɛ bɛ se ka cascade:
kasi misɛnniw → tulu bɔnɛni ani so ladonni koɲɛw
Tumu filimu + buguri → abrasifu doncogo → valve spool scoring
Nɔgɔ → pɔnpe sɛgɛn → sistɛmu bɛɛ ka dɛsɛ
Baarakɛbaliya → dilan musaka caman + sɛnɛfɛnw bɔli + lakana farati
Tiɲɛ caman na, sigilan sugandili min musaka ka dɔgɔ, o bɛ wuli ka kɛ ladonniko ye min musaka ka bon bawo a ka c’a la, jibɔ ye dannaya tiɲɛni jugumanba taamasiɲɛ fɔlɔ ye.
Yɔrɔ minnu na sigilanw nafa ka bon kosɛbɛ waleyali la:
Silindri jilamaw (bere sigilanw, piston sigilanw, O-rings statiques) .
Jidagayɔrɔw (karitɔnw, proportional valves, directionnel valves) .
Pompe hydraulique & moteurs (arbre sirili, port statique sigili) .
Tuyabu jilama ni fɛnw doncogo (O-ring ɲɛda sigilanw, sirilanw, adaptateurs, coupleurs rapides)
Ni aw ka baarakɛminɛn kɔnɔ, bɔgɔdaga lajɛw walima ɲɔgɔndan teliyalenw bɛ yen, sigicogo ka kan ka bɛn aw ka jibolisiraw ma, jibolisiraw, ani teliyalanw —yɔrɔ minnu na tuma caman na, jibɔ bɛ daminɛ yɔrɔ minnu na ka a sababu kɛ yɛrɛyɛrɛli ye, funteni jiginni, ani ɲɔgɔnye caman ɲɔgɔnna.
2) Elastomer materiel science basigilenw : polimɛri + formulation + curing system
Ji fanga la, mɔgɔw ka teli ka fɛnw taamasiyɛn polimɛri denbaya dɔrɔn fɛ: NBR, FKM, EPDM, HNBR . Nka baara laban bɛ bɔ compound dafalen na , o la:
Filɛriw (misali la, carbone noir) .
Plastiki-minɛnw (plastiques).
Fura minnu bɛ kɛ ka kɔrɔya kɛlɛ
Baarakɛminɛnw dɛmɛnanw
Curing (vulcanization) system ani crosslink density (kɛrɛnkɛrɛnnenya la).
Hali 'denbaya' kelen kɔnɔ, kalasi danfaralenw bɛ se ka kɛ cogo wɛrɛ la kosɛbɛ ka kɛɲɛ ni molekiyɔmuw jɔcogo ye, monomɛri hakɛ (misali la, ACN hakɛ NBR kɔnɔ), ani furakɛli suguya.
2.1 Polarite ni 'like bɛ wuli i n'a fɔ'.
Elastomɛri ni jikuruw ka bɛnkan bɛ nɔba bila molekiyɔmu polarite fɛ.
NBR kɔnɔ, ACN kuluw bɛ sɔrɔ polari → a bɛ se ka fɛnɲɛnamafagalanw kɛlɛ minnu tɛ polari ye, minnu bɛ bɔ ji la
EPDM tɛ polari ye → a bɛ se ka funu kosɛbɛ tuluw la , ka masin fanga dɔgɔya joona
O de y'a to EPDM bɛ se ka kɛ 'excellent' ye sistɛmu dɔ kɔnɔ ani 'catastrophique' ye sistɛmu wɛrɛ kɔnɔ.
2.2 Vulkanizasiyɔn : kisɛ ni perokisidi furakɛli
Vulcanization bɛ polimɛri sinsinni caman tigɛli kɛ ka kɛ 3D rezo ye.
Kisɛkisɛ furakɛli : masinko barikama ani sɛgɛnbaliya, nka a bɛ se ka degunba jira min sigilen don funteni kɔrɔtalen na ka da rezo labɛncogo kura kan.
Peroxide curing : C–C crosslinks barikama → funteni sabatili ɲuman ani compression set resistance ɲɛnabɔlen, a ka fisa ji la baarakɛcogo ɲuman na, funteni caman na.
2.3 Fasa, u gɛlɛya, ani u bɔli senkan
Jidagayɔrɔ minnu bɛ tansiyɔnba la, gɛlɛya ye i ka lafasali fɔlɔ ye ka bɔ bɔli la.
70 Shore A ye sugandili ye min bɛ kɛ mɔgɔw bɛɛ fɛ.
Ni degun ka bon (ani bɔgɔdaga minnu ka bon), a ka c’a la, ɛntɛrinɛti injiniyɛriw bɛ taa 90 Shore A la ani/walima ka baara kɛ ni kɔkanna bololanɛgɛw ye (PTFE, PEEK, nilon, PTFE falen).
Sariya waleyali : degun + bɔli + funteni de b'a latigɛ ni i mago bɛ 'fɛn dɔrɔn' walima 'fɛn + anti-extrusion structure.'
3) Core elastomer familys for hydraulique sealing: baara bɛ kɛ ni min ye ani waati min na
Ninnu ye fɛnw matirili ye min bɛ se ka kɛ, min sinsinnen bɛ ɛntɛrinɛti kan. Aw bɛ baara kɛ n’a ye i n’a fɔ daminɛyɔrɔ—o kɔ aw bɛ a sɛgɛsɛgɛ ni ji bɛnkan sɛgɛsɛgɛliw ye.
3.1 NBR (Nitrile): baarakɛminɛn min bɛ kɛ ka tulu minɛnw ji la
A bɛ bɛn kosɛbɛ: tulu minɛnw jilamaw (ISO HL/HM/HV; DIN HLP/HVLP) .
Fanga minnu bɛ sɔrɔ cogoya la:
Tumu kɛlɛli ka ɲi kosɛbɛ (tulu minɛnw, fɛnɲɛnamafagalanw, tulumafɛnw) .
A musaka ka dɔgɔ ani a bɛ sɔrɔ yɔrɔ caman na
A bɛnnen don mobili jilama fanba ma
A bɛ kɛ cogoya la:
Barikantanya minnu bɛ yen:
Baarakɛcogo minnu bɛ kɛ:
So jɔli masinw ka jiko
Silindaw, pɔnpew ani valvew minnu bɛ kɛ ka kɛɲɛ ni sariya ye
Fitiniw ni hose ɲɔgɔndanw minɛnw ni tuluw kɔnɔ
3.2 HNBR (Hydrogenated NBR): 'NBR upgraded' ka ɲɛsin funteni + faralenw + ɲɛnamaya jan ma
HNBR bɛ dɔ bɔ jɛɲɔgɔnya saturalenw na → a ka fisa kosɛbɛ:
Waati min na i bɛ se ka wuli ka bɔ NBR la ka taa HNBR la:
Tumu funteni bɛ tɛmɛ ~100°C kan tuma caman
Baara kɛ waati jan nafa ka bon kosɛbɛ
Ji minnu falen don farali la, olu bɛ NBR kɔrɔya joona
Baarakɛcogo minnu bɛ kɛ:
Industriw ka fanga yɔrɔw minnu bɛ se ka da u kan kosɛbɛ
Foroforo ni baarakɛminɛn gɛlɛnw
Aplikasi minnu na baarakɛbaliya musaka ka bon
3.3 FKM (Fluoroelastomer, misali la, Viton®): funteni caman ni kemikaliya sabatili
FKM ye sugandili ɲuman ye ka da C–F bond barikamaw kan:
Nka FKM tɛ diɲɛ bɛɛ ta ye:
A bɛ se ka dɔgɔya basigi barikamaw kɔnɔ
Amini faralen dɔw bɛ se ka kɛ gɛlɛya ye
A man ɲi fositɛri ɛsitɛri jilama dɔw ma (ka kɛɲɛ ni a kɛcogo ye) .
Baarakɛcogo minnu bɛ kɛ:
Industrie hydraulique minnu ka funteni ka bon
Gazi bonya ani sigicogo dɔgɔyali wajibiyalenw
Kimisɛri sigida minnu ka jugu (ni u bɛ bɛn ɲɔgɔn ma) .
3.4 EPDM : fura ɲuman min bɛ kɛ ka tasuma kunbɛn ji la (ani fura jugu min bɛ kɛ tulu minɛnw na) .
EPDM ye taa-ka-segin elastomɛri ye:
Ji-gilikɔli jilamaw (HFC) .
Fosifati ɛsitɛri tasuma-fanga-minɛnw (HFD-R, misali la, awiyɔn jilamaw) .
Sariya kɔrɔlen:
Baarakɛcogo minnu bɛ kɛ:
Ji-yɔrɔ minnu bɛ se ka tasuma kɛlɛ
Kɛnɛma fiɲɛ/jibɔlan minnu mago bɛ waati tiɲɛni kunbɛnni na
Frein ji-circuitw ani polar-fluid baarakɛcogo dɔw
3.5 VMQ (Silicone) ani FVMQ (Fluorosilicone): sugandili kɛrɛnkɛrɛnnenw
VMQ : funteni hakɛ ka bon kosɛbɛ, nka a doncogo man ɲi ani masin fanga → a fanba ye sigilan jɔlen ye, ɛntɛrinɛti daga.
FVMQ : silikɔni funteni nafa + tulu kunbɛncogo ɲɛnabɔli → awiyɔn sɛnɛfɛnw, nɛnɛ-yɔrɔ bolifɛnw, diaphragme valve minnu mago bɛ funteni dɔgɔya la ka fara tulu kɛlɛli kan.
4) Dɛsɛcogo minnu bɛ ji sigilanw na: sɛgɛsɛgɛli min bɛ kɛ ni ɛntɛrinɛti ye
A ka c’a la, sigilan dɛsɛw bɛ kɛ fɛn caman ye: fɛn + jateminɛ + ji + sigida.
4.1 Extrusion ani nibbling (tansiyɔnba + clearance) .
O-ringw bɛ u yɛrɛ minɛ ka surunya u la minnu tɛ se ka degun ni degun ye. Ni fɛnɲɛnamafagalanw bɔli ka bon kojugu, elastomɛri bɛ se ka jagoya ka don yɔrɔ la, ka sɔrɔ ka tigɛ lamaga waati—'nibbling.'
Bana kunbɛnni sɛgɛsɛgɛli sɛbɛn:
Aw bɛ dɔ bɔ clearance la ani ka muɲuliw gɛlɛya
Aw bɛ dɔ fara a gɛlɛya kan (misali la, 90 Shore A) .
Aw bɛ kɔkanna bololanɛgɛw (PTFE/nylon/filled PTFE) fara tansiyɔn dɔgɔya fan fɛ
Aw bɛ sigilanw dilanni jateminɛ minnu bɛ kɛ ni ɲɔgɔn ye silinda kɔnɔ
4.2 Compression set: ni 'hakilila élastique' tununna
Sigilan ka kan ka ɲɔgɔnkanu degun mara ka tɛmɛ ji tansiyɔn kan. Waati tɛmɛnen kɔfɛ, funteni, ji nɔfɛkow, ani degun kojugu bɛ polimɛri rezo Changer, ka sigilan flakɛ fo ka se a ka ɲɔgɔn sɔrɔli degun ma ka se zeru kɛrɛfɛ → bɔgɔbɔli.
Mun bɛ compression set ɲɛminɛ:
Funteni ka bon ani ka a bila a la ka mɛn
Curing system sugandili jugu
Sɔgɔsɔgɔninjɛ hakɛ / glande dilancogo jugu
Furakɛcogo min bɛ bɔ ji faralenw na
Daŋaniyaba wale min bɛ kɛ:
Aw bɛ compression set minɛ i n’a fɔ dannaya kunbaba KPI , a kana kɛ laboratuwari nimɔrɔ ye.
Ni sigida kɔrɔlenw don, aw bɛ dan sirilenw ɲɛfɔ ani ka u sinsin ni sɛgɛsɛgɛli fɛɛrɛw ye minnu bɛ kɛ ka kɛɲɛ ni sariya ye.
4.3 Jiw ni ɲɔgɔn cɛ jɛɲɔgɔnya : funu, bɔli, ani kemikaliya tiɲɛni
Tumu kɔnɔ, elastomɛriw bɛ se ka:
Aw bɛ ji minɛ → funu → gɛlɛya bɛ jigin
Aw bɛ plastiki/faralanw tunun → aw bɛ u dɔgɔya ka u kɛ kari
Aw bɛ binkanni kɛ kemikɛli fɛ → kari, ka nɔgɔya, ka girinya bɔnɛ
Ɛntɛrinɛti sariya:
4.4 Gazi decompression rapide (RGD) ani idɔrɔzi doncogo
Gazi/hidrɔzɛni degunba sigidaw la, gazi bɛ wuli ka don elastomɛri kɔnɔ. Degun teliya waati la, gazi bɛ bonya a kɔnɔna na, ka microcracks ni blistering (blistering) lawuli—tuma dɔw la, 'explosive' dɛsɛ.
Fɛɛrɛ minnu bɛ kɛ tuma caman na:
Aw bɛ fɛnw sugandi minnu ka jibɔ ka dɔgɔn (a ka c’a la, FKM hakɛ dɔw) .
Aw bɛ baara kɛ ni elastomɛriw ye minnu fanga ka bon, minnu ka gɛlɛn kosɛbɛ (misali la, 90 Shore HNBR) .
Aw bɛ tansiyɔn jiginni kunbɛn yɔrɔ min na a bɛ se ka kɛ
A bɛ tiɲɛni kɛ ni RGD-kɛrɛnkɛrɛnnenya la sɛgɛsɛgɛli kɛcogo ye min bɛ kɛ ka ɲɛsin baarakɛminɛn ma
5) Aw bɛ jibɔlan suguya ni sigilan fɛnw bɛn ɲɔgɔn ma: sugandili kɛcogo ɲuman
Walasa ka sugandili kɛ ka ɲɛ, aw bɛ a daminɛ ji suguya la (ISO/DIN) ka sɔrɔ ka a labɛn ka kɛɲɛ ni funteni, tansiyɔn ani baarakɛcogo ye.
Ladilikanw matirili min bɛ kɛ tuma caman na:
Tumu minnu bɛ kɛ ni minɛnw ye (ISO HL/HM/HV; DIN HLP/HVLP): NBR (standard), HNBR (temperature ka bon/si janya), FKM (temperature ka bon kosɛbɛ)
Ji-gilikɔli (HFC): EPDM ka fisa; NBR bɛ se ka dan sigi funteni caman na
Fosifati ɛsitɛriw (HFD-R): A ka c’a la, EPDM ye ɲɔgɔndan kɛrɛnkɛrɛnnen ye; ko minnu ka jugu kosɛbɛ, olu bɛ se ka kɛ ni fɛn kɛrɛnkɛrɛnnenw ye
Ɛsitɛri minnu bɛ se ka tiɲɛ (HETG/HEES): HNBR ka teli ka kɛ sugandili ye min bɛ bɛn ɲɔgɔn ma; FKM ka baara kɛcogo ɲuman sɔrɔ yɔrɔ min na a bɛ bɛn
Ni aw ka minɛnw bɛ boli ni funteni ye — a ka ca a la motɛri da tugulenw na sɛgɛsɛgɛlikɛlan girinmanw kan — ka bɔ NBR la ka taa HNBR la, tuma caman na, o ye fɛɛrɛ tilennen ye min bɛ se ka dɔ bɔ ji bɔli la, ka baarakɛwaatiw sabati, ani ka u tigi musaka bɛɛ lajɛlen ɲɛ.
6) Sɛgɛsɛgɛli sariyaw minnu bɛ dannaya (ani sannifeere) lakana .
N’i ye taamasiyɛnw san ka da kunnafonisɛbɛn dɔrɔn kan, i bɛ wasa kɛ. Jɛkulu minnu sinsinnen bɛ dannaya kan, olu bɛ baara kɛ ni dantigɛli sariyalen ye walasa ka 'jago fɔlenw' sɛmɛntiya ka kɛ ɛntɛrinɛti daliluw ye.
Sariya jɔnjɔn minnu ka kan ka dɔn:
ISO 3601 : O-ring bonya, muɲuli, ani surface defect grading
ASTM D471 : ji jigincogo sɛgɛsɛgɛli (a hakɛ caman cili, a gɛlɛya jiginni, a girinya caman cili) .
ASTM D395 : compression set jateminɛ
ISO 48-2 (IRHD) : gɛlɛya sɛgɛsɛgɛli ni segin-ka-bɔnye ɲuman ye yɔrɔ kurulenw kan ka tɛmɛ Shore A kan a caman na
ISO 2230 : maracogo ani a maracogo ɲɛminɛcogo
Sannifeere kɛcogo ɲuman:
Aw bɛ a ɲini jisuma sɛgɛsɛgɛli jaabiw fɛ ji tigitigi la walima a bɔɲɔgɔnko sɛbɛnnen dɔ la.
Aw bɛ sɔn/ban dantigɛliw sigi senkan walasa ka fɔlikan caman cili ni gɛlɛya caman cili kɛ minnu bɛ bɛn aw ka baarakɛcogo ma.
Ni aw bɛ silinda tansiyɔnba kɛ, aw bɛ extrusion resistance valide ni clearance lakika ni degun cogoyaw ye, laboratuwari kuponw dɔrɔn tɛ.
7) Ladonni ni ɲɛnamaya kɛcogo ɲɛnabɔli : sigilanw bɛ se ka 'kɔrɔ' sani u ka sigi
Elastomɛriw bɛ kɔrɔya daminɛ ni u kɛnɛyali banna dɔrɔn. Ni a maracogo man ɲi, o bɛ se ka sigilanw tiɲɛ kabini waati jan sani u ka se masin ma.
Mara sariyakolow (min bɛ bɛn ISO 2230 logique ma):
Funteni : a bɛ kɔrɔsi a hakɛ danmadɔ la; aw bɛ aw yɛrɛ tanga funteni sɔrɔyɔrɔw ma
Nɛnɛ : aw kana a dantɛmɛ (a jalen don kojugu walima a ɲiginnen kojugu) .
Yeelen & ozone : aw bɛ aw yɔrɔ janya UV la, tile yeelen tilennen, minɛn minnu bɛ ni tension caman ye
Aw bɛ aw yɛrɛ tanga degun ma: aw kana O-ringw dulon jirisunw na; ka bɔgɔbɔgɔ banbali bali
Ɲɛnamaya taabolo ta:
8) Foro kalan : 'leak fitini' bɛ kɛ cogo min na sistɛmu dɛsɛ
Minɛn gɛlɛnw kɛcogo min bɛ kɛ tuma caman na:
Tumu filimu fitinin dɔ bɛ bɔ silinda bere dɔ kan.
Bugun bɛ nɔrɔ filimu na → abrasive nɔgɔli farati bɛ bonya.
Wiperw tɛ se ka grit bɔ pewu → particules bɛ don sistɛmu kɔnɔ.
Valve spools ni pɔnpe yɔrɔw bɛ sɛgɛn → baarakɛcogo bɛ jigin.
O sistɛmu mago bɛ dilanba la, ka a ko, ani ka a yɔrɔw falen.
Daŋaniya kalan:
9) Ladilikan nafamaw OEMw, ladonni jɛkuluw ani sannikɛlaw ma
Baara kɛ ni nin 'minimum closed-loop' fɛɛrɛ in ye:
Aw bɛ ji in dɔn ka ɲɛ (ISO/DIN suguya + farali suguya).
Aw bɛ funteni lakika jiracogo ɲɛfɔ sigilan yɔrɔ la (aw kana kɛ tanki funteni dɔrɔn ye).
Aw bɛ tansiyɔn + bɔli jateminɛ ani ka a latigɛ ni aw mago bɛ kɔkanna bololanɛgɛw la walima ni sigilanw ye minnu bɛ kɛ ɲɔgɔn fɛ.
Aw bɛ a tiɲɛ ni sɛgɛsɛgɛliw ye minnu bɛ kɛ ka kɛɲɛ ni sariya ye (immersion + compression set at relevant temperature).
Aw bɛ a maracogo, a lajɛcogo ani a sigicogo kɔlɔsi walasa ka sigilan lakana sani a ka baara kɛ.
O bɛ tali kɛ yɔrɔ min na ni jiko yɔrɔw sɔrɔli ye:
Ni aw bɛ ji fura dafalenw di— ji pɔnpew, ji motɛriw, jibolisiraw, jibolisiraw, jibolisiraw ani fɛnw —sigicogo ka kan ka kɛ cogo kelen na sigida bɛɛ kɔnɔ. Misali la, hose-end sealing (O-ring face seal, bonded seal) ka kan ka bɛn ji/funteni tiɲɛni kelen ma ni silinda ni valve sigilanw ye walasa ka 'weakest-link' bɔgɔbɔgɔli bali.
Ni aw ka kiliyanw bɛ baara kɛ Irisi/CIS walima Ɛsipaɲɔlikan fɔbagaw ka Belt & Road suguw la, a nafa ka bon ka sigicogo fila sigi senkan aw ka jatebɔw kɔnɔ:
Standard: NBR ka ɲɛsin tulu minɛnw cogoyaw ma minnu bɛ kɛ cogoya la
Yɛlɛma: HNBR ka ɲɛsin funteni caman ma / ɲɛnamaya jan dannaya ma
...ani ka FKM/EPDM di dɔrɔn yɔrɔ min na ji ni sigida bɛ jo di a ma tiɲɛ na.
Ɲininkaliw
J1: O-ring fɛn jumɛn de ka fisa ni tulu minɛnw ye minnu bɛ wele ko standard mineral oil hydraulique systems (DIN HLP/HVLP)?
A: Minɛri tulu sitɛmu fanba la, NBR ye sugandili jɔnjɔn ye. Ni tulu funteni ka teli ka tɛmɛ ~100°C kan walima ni a ka kan ka mɛn, a ka c’a la, HNBR ye sɛnɛfɛnw sɛnɛcogo ɲuman ye.
J2: Yala EPDM sigilanw bɛ se ka kɛ jibolisiraw la ni tulu minɛnw ye wa?
A: Ayi, EPDM man kan ka kɛ ni tulu ye , barisa a bɛ se ka funu kosɛbɛ ani ka fanga dɔgɔya, ka kɛ sababu ye ka wuli joona ani ka dɛsɛ.
J3: Tuma jumɛn na ne ka kan ka FKM (Viton®) kɛ jiko minɛnw na?
A: Aw bɛ FKM kɛ ni funteni caman, gazi doncogo dɔgɔyalen, walima furakisɛw tali ka kan ka kɛ—i kɛlen kɔ ka a jira ko a bɛ bɛn aw ka ji kɛrɛnkɛrɛnnenw ni faralifɛnw ma.
J4: Mun de bɛ kɛ sababu ye ka O-ring bɔli kɛ silinda minnu bɛ tansiyɔnba la?
A: A ka c’a la, bɔli bɛ kɛ ni degun ka bon ani ni fɛnɲɛnamafagalanw bɔli ka bon kojugu , o b’a to elastomɛri ka jagoya ka don yɔrɔ la ani ka tigɛ lamaga waati. Gɛlɛya ka bon ani kɔkanna-bololanɛgɛw ye furaw ye minnu bɛ kɛ tuma caman na.
J5: Sɛgɛsɛgɛli jumɛn nafa ka bon kosɛbɛ walasa ka sigilan ni ji jilama bɛnkan jira?
A: ASTM D471 jisuma sɛgɛsɛgɛli bɛ kɛ ka caya walasa ka funu, gɛlɛya caman yeli, ani girinya/hakɛ caman yeli jateminɛ ji kɛrɛnkɛrɛnnen dɔ tali kɔfɛ funteni na.
J6: Masina minnu bɛ baara kɛ nɛnɛ yɔrɔw la (misali la, Sibiri) ne ka kan ka mun kɔlɔsi sigilanw na?
A: Funteni dɔgɔyali bɛ se ka dɔ bɔ fɛn caman sɛgɛsɛgɛli la ani ka ɲɔgɔn sɔrɔ. Aw bɛ fɛnw ni kalataw sugandi minnu ka baarakɛcogo sɛgɛsɛgɛlen don ni funteni dɔgɔyalen ye, ani ka u sɛmɛntiya ni baarakɛcogo lakikaw ye (daɲɛw sigicogo dinamiki ka gɛlɛn ka tɛmɛ sigicogo kan).
J7: Ne bɛ se ka ji bɔli dɔgɔya cogo di hose ni fitting connections kɔnɔ?
A: Aw bɛ a lajɛ ni sigilan fɛn bɛ bɛn ji ma, ka a lajɛ ka girinya ni a sanfɛla fini, ani ka ɲɔgɔndan suguyaw kɛ cogo kelen na. Ni aw bɛ baara kɛ ni minnu ka ɲi cogo basigilen na, jibolisiraw ni fɛnw ye o bɛ dɔ bɔ jibɔ farati la kurunbaw kɔnɔ.
J8: Yala sigilanw bɛ mɛn sani u ka sigi wa?
A: Ɔwɔ. Elastomɛriw bɛ kɔrɔbaya waati tɛmɛnen kɔfɛ. A maracogo ɲuman (funteni min bɛ kɔrɔsi, ozɔni/UV dɔgɔyali, a tɛ fɛn tiɲɛ) nafa ka bon walasa ka dɛsɛ joona bali.
