PTFE e ta'uta'ua mo lona fa'aitiitiga fa'ase'e (0.05-0.10). Ae o afea O lo'o fa'aogaina le lipine vevela maualuga o le PTFE i fa'aoga fe'ese'esea'i fa'ase'e - e pei o ala fa'ata'ita'i, fa'alava fa'alava, laina fa'afefe, po'o fa'amaufa'ailoga fa'ase'e - e le lava na'o le fete'ena'iga. O le lu'itau moni lava ole abrasion resistance.
A aunoa ma se filifiliga talafeagai, o le PTFE coating e ofuina i vaiaso, faʻaalia le fiberglass substrate ma mafua ai mala faʻaletonu. E le'o fa'atusaina le lipine fa'apitoa mo le fa'ase'ese'esega.
Ua atiaʻe e Aokai PTFE lipine PTFE faʻasaʻo mo le manaʻomia o talosaga faʻaseʻe. O lenei ta'iala o lo'o aofia ai manatu autu e lima: fua fa'atatau o le abrasion, tulaga lelei o le ufiufi, mautu o le vevela, fa'aogaina o le pipii, ma metotia fa'apipi'i.
Fa'ailoga Autu o Galuega e Fa'amaonia
1. Abrasion Resistance - Le Fa'ailoga Mata'utia
Metotia Su'ega
Tulaga
Taua masani (PTFE masani)
Fa'atatau mo Tape e Tete'e La'ei
Taber Abrasion Loss (ASTM D4060, CS-17 uili, 1000g uta)
mg/1000 taamilosaga
E selau mg
<15 mg (matua: <5 mg)
Fa'atatau Fa'atetele o Fe'ese'esega
μ
0.05-0.10 muamua
Stable 0.05-0.15 i luga ole olaga
Tapulaa PV (Omiga × Savili)
Pa·m/s poʻo le psi·fpm
E ese'ese i le fa'atulagaina
Maua mai le fa'atau oloa
Aisea e taua ai le abrasion o Taber: O le ufiufi PTFE mama e vave ona ofuina i lalo o fesoʻotaʻiga faʻafefe. O le PTFE ua fa'atumuina (fa'atasi ai ma alava kaponi, kalafi, MoS₂, po'o le alava tioata) e matua fa'aitiitia ai le la'ei. E mafai ona maua le lipine fa'aofuofu fa'aofuofu fa'apitoa <5 mg gau i le 1000 ta'amilosaga - 20-50x sili atu nai lo le PTFE e le'i fa'atumuina.
Fa'atapula'a o le PV: Fa'agata fa'atagaina o le fa'afeso'ota'iga Omiga (P) ma le Savili fa'ase'e (V). O le sili atu i lenei tapula'a e mafua ai ona vave ofuina, fa'avevela, po'o le faaletonu o le ufiufi. Talosaga i taimi uma PV curves mai lau fa'atau oloa.
Aokai PTFE ofo atu togi lipine fa'asa'o fa'alava ma gau abrasion taber i lalo ole 10 mg/1000 ta'amilosaga - fa'amaonia e su'ega tuto'atasi ASTM D4060. O le matou fa'aputu-fiber fa'atumu e fa'atumauina le μ i lalo ifo o le 0.15 tusa lava pe a uma le 10,000 ta'amilosaga.
2. Tulaga Lelei & Fausiaina o Lapisi
Parameter
Fautuaga
Aisea
Ufiufi mafiafia (luga galuega)
≥0.05 mm (0.08-0.15 mm mo la'ei mamafa)
O le ufiufi mafiafia e maua ai le ola umi o le ofuina
O le vevela o auaunaga faifaipea e tatau ona fetaui ma manaʻoga faʻaogaina (e masani lava ≥260°C)
Leai se fa'afefe tele e fa'amaluluina po'o le fa'avaveina o le abrasion ile vevela maualuga
A maeʻa le matua vevela ile 250 ° C mo le 100 itula, e le tatau ona sili atu i le 20% le faʻaleagaina o le malosi ma le faʻaleagaina.
4. Fa'atinoga Fa'apipi'i (Mo Fa'amau Fa'amau)
Ituaiga Fa'apipi'i
Tete'e o le vevela
Anti-Creep
Talafeagai mo Fa'ase'e
Silicone PSA
≤260°C
Lelei ma fetaui lelei
Filifiliga masani
PSA akrilic
≤150°C
Mativa i le vevela
E le fautuaina mo le maualuga o le vevela
Primer + silicone
≤260°C
Lelei
Mo mea'ai e maualalo le malosi (fa'ata'ita'iga, u'amea uamea)
Fa'aaliga: Mo fa'aoga fa'ase'e mamafa o lo'o i lalo o le mamafa fa'asolosolo o le lipine, mafaufau i le fa'amauina fa'ainisinia (rivets, fa'amau fa'amau) fa'aopoopo i le fa'apipi'i.
5. Fa'aa'oa'oga Lau'ele'ele & Mafiafia Fa'atasi
Mea i luga ole laiga: E fesoasoani teisi la'ititi o lo'o i luga ole la'ei e taofia ai lapisi lelei, e puipuia ai le fa'aputuina o tui po'o le fa'asuotoina o ituaiga suotosina e mafua mai i mea'ai fa'aputu.
Fa'apalepale mafiafia: Aofa'i mafiafia e pulea i totonu o le ± 0.02 mm i le lola atoa ina ia mautinoa le fa'apipi'iina ma aloese mai le malepelepe vave.
Fofo Fa'atonu mo Tulaga Fa'ase'e Maualuga
1. Suiga Mea Mata
Suiga
Aafiaga
Sili Mo
Faatumu alava kaponi
Faʻaleleia le abrasion resistance, faʻateleina μ teisi
Talatala tele (Ra> 0.8) → tipi PTFE; lamolemole tele (Ra<0.1) → leai ni otaota e taofia
Mea fa'atusa
Uamea uamea, fa'apalapala chrome malo, alumini fa'aanodized malo
Aloese mai le u'amea mata'utia (fa'apipi'i fua kalafi i totonu o le PTFE)
Puipuiga maaleale
Pa'u pefu, fa'amama masani
O mea fa'apipi'i fa'apipi'i e afua ai ona fa'alava fa'alava
Lubrication mago fesoasoani
PTFE po'o lube mago e fa'avae i le fluorine (e le fa'aleagaina, maualuga le vevela)
Fa'aitiitia fe'ese'esea'iga ma fa'atupu vevela
3. Fa'apipi'i & Faufautua Faufautua
Fua
Fa'atinoga
Faamanuiaga
Puipuiga pito
Seti pito i fafo o sone fe'ese'esea'i; fa'amau i fasi u'amea fa'apipi'i pe fa'apipi'i i tootoo; fa'aumu/matau lapotopoto i luga o le vaega fa'aipoipo
Fa'ate'aina le pa'u o ituaiga suo
Fa'atasiga atoatoa
Fa'amalo ma fa'asaa le fa'avae (pa i le Sa2.5); ta'avale mae'ae'a e alu ese ai le ea; mo avega mamafa, faʻapipiʻi faʻapipiʻi ma faʻapipiʻi masini
Puipuia le fe'avea'i ma le maileia o le ea
Fuafuaga e mafai ona suia modular
Fa'amau le mea fa'apipi'i i luga o le mea fa'ase'e/so'omea
Fa'afaigofie suiga fa'avaitaimi, fa'asaoina le sa'o o meafaigaluega
Fa'ai'uga – Fa'avae Filifiliga Autu e Tolu
Mo fa'ata'ita'iga fa'ase'e e fa'atatau i abrasion, fa'amuamua:
Fa'atumu fa'aluega PTFE fa'aleleia - Alava kaponi, graphite, MoS₂, po'o le fa'atumu alava tioata e fa'aleleia atili ai le tete'e o le abrasion Taber (fa'atatau <15 mg/1000 taamilosaga, lelei <5 mg).
Su'ega maualuga-malosi - Fiberglass ma le ≥200 N / cm malosi faʻamalosi, poʻo le ie aramid / carbon mo avega mamafa.
Faʻatonuina le faʻafefe o luga o luga - Tausia Ra 0.2-0.4 μm, faʻaoga uʻamea poʻo le chrome malo.
Manaoga faaopoopo:
Talosia fa'amatalaga abrasion a Taber ma tapula'a PV mai fa'atau oloa.
Fa'apipi'i fa'atasi ma le puipuiga pito (fa'amau fa'amau, fa'apipi'i tootoo, vaega fa'ameamea).
Mo le fa'ase'ese'e faifaipea mamafa, tu'u fa'atasi le mea fa'apipi'i ma fa'amau fa'ainisinia.
Fuafua mo le sui fa'atusa pe a mafai.
I se aotelega, o le filifilia o le PTFE maualuga-vevela lipine mo abrasive sliding fesiitaiga talosaga e manaʻomia le alu i tua atu o tulaga masani e le o laau ma vevela specs. Taulai atu i le gau abrasion Taber (<15 mg / 1000 taamilosaga), faʻatumu faʻapipiʻi suiga, malosi tensile substrate (≥200 N / cm), ma mating roughness luga (Ra 0.2-0.4 μm). Puipuiga pito sa'o, so'oga atoatoa, ma mamanu fa'alelei fa'alautele le ola tautua.
Aloese mai le lipine PTFE e le'i fa'atumuina mo feso'ota'iga fa'ase'e malosi - o le a vave ona sosolo. Nai lo lena, fa'amaoti togi e tete'e fa'alavalava ma fa'amaumauga abrasion fa'amaonia.
Mana'omia se lipine PTFE fa'asa'o mo lau fa'ase'ese'ese? Aokai PTFE ofoina carbon-fiber, graphite, ma MoS₂-tumu togi ma Taber abrasion gau i lalo ole 10 mg/1000 taamilosaga. Fa'afeso'ota'i matou i lau fa'aoso, saoasaoa, ma mea fa'atusa mo se fautuaga.
Mo faʻamatalaga auʻiliʻili, faʻatalanoaga talosaga, ma fofo faʻapitoa e ufiufi ai le PTFE maualuga-vevela ie, PTFE faʻapipiʻi fusi, fusipaʻu mata PTFE, fusi faʻamaufaʻailoga, tasi itu PTFE faʻapipiʻiina ie, fusi faʻafefe vevela ma ie fiberglass vevela maualuga , faʻamolemole faʻafesoʻotaʻi i matou:
