PTFE tɔgɔ bɔra a ka sɔgɔsɔgɔninjɛ hakɛ dɔgɔyali la (0,05-0,10). Nka tuma min na PTFE kase min ka funteni ka bon, o bɛ kɛ ka sɔgɔsɔgɔninjɛ kɛ – i n’a fɔ ɲɛminɛlanw, sɛgɛnlafiɲɛbɔlanw, chute liners, walima sɛgɛnlafiɲɛbɔlanw – sɔgɔsɔgɔninjɛ dɔrɔn tɛ bɔli kɛ. Gɛlɛya yɛrɛ ye abrasion resistance ye.
Ni sugandili ɲuman ma kɛ, PTFE dacogo bɛ sɛgɛn dɔgɔkun caman kɔnɔ, ka fibreglasi substrat bɔ kɛnɛ kan ani ka kɛ sababu ye ka dɛsɛba kɛ. Standard non-stick tape ma dabɔ ka kɛɲɛ ni dynamique sliding contact ye.
Aokai PTFE ye PTFE kasɛtiw labɛn minnu tɛ se ka sɛgɛn, walasa ka baara kɛ ni sɛgɛnba ye. Nin gafe in bɛ jateminɛba duuru ɲɛfɔ: sɔgɔsɔgɔninjɛ kunbɛncogo jateminɛw, finimugu cogoya, funteni sabatili, nɔrɔli baarakɛcogo, ani a sigicogo.
Baarakɛcogo jiralan jɔnjɔn minnu ka kan ka sɛgɛsɛgɛ
1. Abrasion Resistance – O ye Paramɛtiri kɔrɔlen ye
Kɔrɔbɔli Fɛɛrɛ
Sariya
Nafa min bɛ sɔrɔ cogoya la (PTFE standard) .
Laɲini min ye kasɛti ye min tɛ sɛgɛn
Taber Abrasion Loss (ASTM D4060, CS-17 wotoro, 1000g doni)
miligaramu/1000 sɛgɛsɛgɛli
A miligaramu kɛmɛ caman
<15 mg (a hakɛ cayalenba : <5 mg) .
Coefficient dynamique de friction (sɔgɔsɔgɔninjɛ dinamiki).
μ
0,05-0,10 daminɛ na
A sabatilen don 0,05-0,15 ɲɛnamaya kɔnɔ
PV Dan (Degun × Teliya) .
Pa·m/s walima psi·fpm
A bɛ danfara ka kɛɲɛ ni a kɛcogo ye
Aw bɛ a sɔrɔ ka bɔ feerekɛla fɛ
Mun na Taber sɔgɔli nafa ka bon: PTFE fini saniyalen bɛ sɛgɛn joona ni sɔgɔsɔgɔninjɛ ye. PTFE sɛmɛntiyalen falen (ni fibre carbone, graphite, MoS2, walima fibre de verre) bɛ dɔ bɔ kosɛbɛ sɛgɛn hakɛ la. Kase min bɛ se ka sɛgɛn, o bɛ se ka <5 mg bɔnɛ sɔrɔ siɲɛ 1000 kɔnɔ – a ka fisa siɲɛ 20-50 ka tɛmɛ PTFE min ma fa.
PV dan ɲɛfɔlen : Fɛn min bɛ se ka kɛ, o ye fɛn ye min bɛ se ka kɛ ni contact Pressure (P) ani sliding Velocity (V) ye. Ni aw tɛmɛna o dan kan, o bɛ kɛ sababu ye ka a sɛgɛn joona, ka a sumaya kojugu, walima ka a dacogo tiɲɛ. Aw bɛ PV kuruw ɲini tuma bɛɛ aw ka feerekɛla fɛ.
Aokai PTFE bɛ kaseti hakɛw di minnu tɛ se ka sɛgɛn ni Taber abrasion loss ye miligaramu 10/1000 cycles kɔnɔ – o tiɲɛna ni ASTM D4060 sɛgɛsɛgɛli yɛrɛmahɔrɔnyalen ye. An ka furakɛlicogo min falen bɛ fibre carbone la, o bɛ μ mara 0,15 duguma hali ni a kɛra siɲɛ 10.000 ye.
A bɛ se ka sɔgɔsɔgɔli kɛlɛ sɔgɔsɔgɔninjɛ sɔgɔsɔgɔninjɛ kɔrɔ
Weave suguya
Fanga ka bon min bɛ kɛ ni finimugu gansan walima satin ye
Aramid fini doni jugumanw kama
3. Funteni kunbɛnni & Sumaya sabatili
Baarakɛcogo funteni min bɛ to sen na, o ka kan ka baarakɛcogo wajibiyalen dafa (a ka c’a la ≥260°C) .
A kana kɛ ka finimugu nɔgɔya kosɛbɛ walima ka a sɔgɔli teliya funteni caman na
Kɔrɔya kɔfɛ funteni na 250°C la sanga 100 kɔnɔ, sɔgɔli fanga ni sɔgɔli baarakɛcogo tiɲɛni man kan ka tɛmɛ 20% kan .
4. Adhesive Layer Performance (Ka ɲɛsin yɛrɛlajɛ kasɛtiw ma) .
Nɛgɛ suguya
Funteni hakɛ kunbɛnni
Anti-Creep (Sɔgɔsɔgɔninjɛ kɛlɛli).
A bɛnnen don Sliding ma
Silikoni PSA
≤260°C ye
A ka ɲi ni crosslinking bɛnnen ye
Sugandili kunbabaw
PSA acrylique (akiriliki) ye
≤150°C ye
Faantan ye funteni kɔrɔ
A man ɲi ka kɛ sɛgɛnba ye
Primer + silikɔni (silikɔni).
≤260°C ye
Ɲuman ɲuman
Ka ɲɛsin fɛnw ma minnu fanga ka dɔgɔn dugukolo sanfɛla la (misali la, nɛgɛ min tɛ sɔgɔ) .
Kɔlɔsili: Ni aw bɛ doni girinmanw sɔgɔsɔgɔ, yɔrɔ minnu na kaseti bɛ sɛgɛnbaliya la min tɛ ban, aw bɛ a lajɛ ni masinw sirili ye (rivets, clamping strips) ka fara nɔrɔli kan.
5. Surface Texture & Thickness kelen-kelen
Surface texture : Slight embossed texture bɛ dɛmɛ ka sɛgɛn finmanw mara, ka coefficient spikes walima plough-type abrasive wear bali min bɛ sɔrɔ fɛnɲɛnamafagalanw dalajɛlenw fɛ.
Janya muɲuni : Janya bɛɛ lajɛlen bɛ kɔlɔsi milimɛtɛrɛ ±0,02 kɔnɔ ka tɛmɛn kurukuru dafalen kan walasa ka jisuma sigili sabati ani ka a yɛrɛ tanga sigida tiɲɛni ma joona.
Optimization Solutions for High-Wear Sliding cogoyaw
1. Fɛnɲɛnɛmafagalanw caman cili
Yɛlɛma donna
Nɔ
Best For
Fibre carbone fasa
A bɛ sɔgɔsɔgɔninjɛ kunbɛncogo ɲɛ, a bɛ dɔ fara μ kan dɔɔni
Sliding min bɛ doni caman na, teliya dɔgɔman
Graphite (grafite) falenfɛn
A bɛ sɔgɔsɔgɔninjɛ dɔgɔya, ka sɛgɛnlafiɲɛbɔ hakɛ danmadɔ
Teliyaba, doni dɔgɔyalen baarakɛcogo
Glass fibre fasa
A bɛ dɔ fara a gɛlɛya kan ani a ka sɛgɛnbaliya kan
Doni hakɛ danmadɔ, sigida minnu bɛ sɔgɔsɔgɔ
MoS2 filɛri
Lubricity ɲuman, sɛgɛnbaliya ɲuman
Dancɛ tulu cogoyaw
PEEK mugu falenfɛn
Sɛgɛsɛgɛli kunbɛncogo ka bon, musaka ka bon
Slide cogoya minnu ka jugu kosɛbɛ
Aramid/karɔbɔli fini substrate
A bɛ fibreglasi bila a nɔ na walasa fanga ka bon
Doni girinman, tigɛli ka bon
2. Jɛɲɔgɔnya ɲɔgɔndan ɲɔgɔndan
Paramɛtiri
Ladilikan min bɛ kɛ
Munna
Kɔrɔɲɔgɔnma sɔgɔsɔgɔninjɛ (Ra) .
0,2 – 0,4 μm ye
A ka gɛlɛn kojugu (Ra>0,8) → a bɛ PTFE tigɛ; a bɛ nɔgɔya kojugu (Ra<0,1) → nɔgɔ tɛ mara
Aw bɛ aw yɛrɛ tanga nɛgɛ gɛlɛn ma (grafite bɛ don PTFE kɔnɔ fu) .
Fɛnɲɛnɛma gɛlɛnw kunbɛnni
Bugun dasiri, saniya tuma bɛɛ
Fɛnɲɛnɛma minnu bɛ don a kɔnɔ, olu bɛ kɛ sababu ye ka sɔgɔsɔgɔninjɛ jugumanba kɛ
Tumu jalen dɛmɛnan
PTFE walima fluorine-based dry lube (a tɛ nɔgɔ, a bɛ se ka funteni caman kɛlɛ) .
A bɛ dɔ bɔ sɔgɔsɔgɔninjɛ ni funteni caman sɔrɔli la
3. Installation & Structural Design Ladilikanw
Ka suma
A waleyali
Tɔnɔ
Dakunw lakanani
Aw bɛ dakunw bila sɔgɔsɔgɔninjɛ yɔrɔ kɔkan; aw bɛ a siri ni nɛgɛ sirilanw ye walima ka u don sennasanbaraw kɔnɔ; masin chamfer/rounded tip kan furuɲɔgɔnma yɔrɔ
A bɛ sɔgɔsɔgɔninjɛ suguya sɔgɔli ban
Bonding dafalen
Aw bɛ tulu bɔ ani ka basi gɛlɛya (blast to Sa2.5); aw bɛ kaseti wuli ka ɲɛ walasa ka fiɲɛ bɔ; ni doni girinman don, aw bɛ nɔrɔlan ni masinw sirili fara ɲɔgɔn kan
A bɛ fɛnw jiginni ni fiɲɛ minɛcogo bali
Modular dilancogo min bɛ se ka wuli ka bɔ a nɔ na
Aw bɛ kaseti bila slider/subplate detachable kan
A bɛ nɔgɔya waati ni waati fɛn caman cili, a bɛ minɛnw ka tiɲɛni mara
Kuncɛli – Sugandili sariyakolo jɔnjɔn saba
Ni aw bɛ abrasion-focused sliding scenarios sɔrɔ, aw bɛ fɔlɔfɔlɔ:
PTFE finimugu caman sɛmɛntiyalen falen – Gazi fiyɛri, grafite, MoS2, walima gilasi fiyɛri falen bɛ Taber sɔgɔli kunbɛncogo ɲɛ kosɛbɛ (laɲini <15 mg/1000 cycles, a ka fisa <5 mg).
Substrat min fanga ka bon – Fibreglasi min ka girinya ye ≥200 N/cm ye, walima aramid/carbone fini doni jugumanw kama.
Kɔrɔsili kɛra a ɲɔgɔnna sanfɛla gɛlɛya – Ra 0,2-0,4 μm mara, ka nɛgɛ inox walima chrome gɛlɛn kɛ.
Wajibiya wɛrɛw:
Aw bɛ ɲini Taber abrasion data ni PV dantigɛli feerekɛlaw fɛ.
Aw bɛ a sigi ni dakun lakanani ye (clamping strips, groove embedding, chamfered mating parts).
Walasa ka doni girinmanw sɛgɛn ka taa a fɛ, aw bɛ nɛgɛfugulan ni masin sirili fara ɲɔgɔn kan.
Design for modulaire replacement ni a bɛ se ka kɛ.
Kuma surun na, PTFE kaseti funteni caman sugandili ka ɲɛsin abrasive sliding friction applications ma, o bɛ tɛmɛn standard non-stick ani thermal specs kan. Aw bɛ aw sinsin Taber sɔgɔli bɔnɛ kan (<15 mg/1000 cycles), finimugu caman sɛmɛntiyalen falen, substrate tensile strength (≥200 N/cm), ani mating surface roughness (Ra 0,2-0.4 μm). Dakun lakanani ɲuman, sirili dafalen, ani modulu dilancogo bɛ baara kɛ waati janya kosɛbɛ.
Aw bɛ aw yɛrɛ tanga PTFE kaseti ma min ma fa walasa ka sɔgɔsɔgɔninjɛ fangama sɔrɔ – a bɛna sɛgɛn joona. O nɔ na, aw bɛ sɛgɛnlafiɲɛbɔlanw jira ni sɔgɔsɔgɔninjɛ kunnafoniw ye minnu sɛgɛsɛgɛra.
Aw mago bɛ PTFE kaseti la min tɛ se ka sɛgɛn aw ka sɛgɛsɛgɛli kɛcogo la wa? Aokai PTFE bɛ karɔbɔli-fiyɛri, grafite, ani MoS2-falen hakɛw di ni Taber sɔgɔli bɔnɛ ye miligaramu 10/1000 cycles duguma. Aw ye anw sɔrɔ ni aw ka degun, teliya ani aw ɲɔgɔnna fɛnw ye walasa ka ladilikan sɔrɔ.
Ni aw b’a fɛ ka kunnafoni caman sɔrɔ, ka ladilikanw di aw ma minnu bɛ kɛ ka kɛɲɛ ni aw yɛrɛ sago ye, ani ka fɛɛrɛw tigɛ minnu bɛ kɛ ka kɛɲɛ ni PTFE fini ye min funteni ka bon, PTFE kasɛti nɔrɔlen, PTFE cɛsirilan min tɛ sɔgɔ, fini min datugulen don ni PTFE ye fan kelen fɛ, cɛsirilan min bɛ se ka funteni kɛlɛ ani fini min bɛ kɛ ni fibreglasi ye min funteni ka bon , aw bɛ se ka anw sɔrɔ:
An bɛ tugu baarakɛcogo ɲuman ni danbe la walasa ka furaw bɛɛ lajɛlen di minnu bɛ kɛ ka kɛɲɛ ni mɔgɔw sago ye ani feereli kɔfɛ baara min bɛ kɛ ni jateminɛ ye.
