Polifenilɛni ɔkisidi (PPO), n’a bɛ fɔ fana ko NorylTM , o ye sɛnɛfɛnw sɛnɛcogo ye min bɛ se ka fɛn caman sɛmɛntiya, a bɛ dɔn a ka funteni kunbɛncogo kabakoma fɛ, a hakɛ sabatili la, ani a ka ji minɛcogo ka dɔgɔn.
Nin sɛbɛn in kɔnɔ, an bɛna PPO ka nafolo danmadɔw sɛgɛsɛgɛ ani mun na a nafa ka bon kosɛbɛ bi ɛntɛrinɛti la. I bɛna a dɔn cogo min na nin plastiki kabakoma in bɛ ka an ka diɲɛ cogoya, k’a ta mobili yɔrɔw la ka se furakɛli minɛnw ma.
PPO plastiki nafaw: A ɲɛfɔli dafalen .
kemikɛli nafaw .
PPO plastiki bɛ waso ni kemikɛli ye cogo kabakoma na. A bɛ jɔ ka ɲɛ asidiw, alkaliw ani furaji caman na.
Nka, a tɛ se ka sɔrɔ. Hidrokarbɔn kasadimanw ni halojeniw bɛ se ka gɛlɛyaw lase mɔgɔ ma.
Nin ye PPO ka kemikaliya kɛlɛli teliya ye:
| kemikaliya | kɛlɛli . |
| Asidiw (minnu bɛ kɛ ka caya) . | Fisa |
| Asidiw (Dilute) . | Duman |
| dɔlɔw . | Fisa |
| Alkalis . | Duman |
| hidrɔkarɔbɔni aromatikiw . | Faantan |
| Gɛrɛsi ni tuluw . | Fisa |
| Halojeniw . | Faantan |
| Ketones . | Fisa |
Kuranko nafaw .
PPO bɛ yeelen bɔ kuran baara la. A ka nafaw b’a to a ka ɲi kosɛbɛ insulasi ni ɛntɛrinɛti yɔrɔw la.
Kuranko jɔnjɔnw ye:
Dielektriki basigilen @ 1 MHz: 2,7.
Dielektriki fanga: 16-20 kV/mm .
Facteur de dissipation @ 1 kHz: 0.004
Resistivité sur surface: 2×10^16 ohm/sq .
Volume Resistivity: 10^17 Ohm.cm
O nafaw bɛ PPO ka insulating seko ɲumanw jira.
Mekaniki jogo .
PPO ka masin fanga bɛ mɔgɔ kabakoya. A ka gɛlɛn, a ka gɛlɛn, wa a bɛ degunw kunbɛn ka ɲɛ.
Nin ye a ka masinw ka baarakɛcogo ɲuman ye:
Abrasif resistance: 20 mg/1000 cycles .
Coefficient de friction: 0,35 .
Elongation ka lafiɲɛbɔ: 50% .
Gɛlɛya: M78/R115 (Rockwell)
IZOD Impact Fanga: 200 J/M .
Poisson ka hakɛ: 0,38 .
Modulu tensile: 2,5 GPA .
Tensile fanga: 55-65 MPa .
O jogo ninnu bɛ PPO kɛ min bɛ bɛn degunba suguya caman ma.
Farikolo yɔrɔw .
PPO farikolo cogoyaw bɛ dɔ fara a ka fɛn caman kan. An ka farikoloɲɛnajɛ nafama dɔw lajɛ:
density: 1,06 g/cm³
Tasumafagalan: HB hakɛ .
Oksizɛni hakɛ dantigɛli: 20% .
A bɛ se ka kɛ UV ye: a ka ɲi .
Ji minɛcogo: 0,1-0,5% sanga 24 kɔnɔ .
PPO ka ji minɛcogo dɔgɔyali ani UV resistance ɲuman b’a to a bɛnnen don kɛnɛma baara ma.
thermal properties .
PPO bɛ funteni minɛ ka ɲɛ, o b’a to a ka ɲi kosɛbɛ sigidaw la minnu bɛ funteni caman bɔ. A ka funteni cogoyaw filɛ nin ye:
Coefficient de expansion sumayalen: 60 x10^-6 K^-1.
Funteni hakɛ min bɛ funteni na: 137°C (0,45 MPa), 125°C (1,8 MPa)
Baara funteni dɔgɔyali: -40°C .
Sumaya bɛ se ka kɛ cogo min na: 0,22 w/m·k @ 23°C
Sanfɛ baarakɛ funteni hakɛ: 80-120°C .
O jogo ninnu b’a to PPO ka sabatili sabati funteni hakɛ caman na.
Nafa minnu bɛ PPO plastiki la: Mun na a ye sugandili sanfɛla ye .
Dimensions sabatili .
PPO Plastiki bɛ bɔ kɛnɛ kan a ka dimension (janya) danfaralen na. A b’a cogoya n’a bonya mara degun ni funteni kɔrɔ.
O b’a to a dafalen don yɔrɔw la minnu bɛ se ka kɛ fɛnw ye minnu bɛ se ka kɛ fɛnw ye i n’a fɔ mobili ni aerospace. PPO tɛ nɔgɔya nɔgɔya la doni walima funteni caman ɲɔgɔnna caman na.
kemikɛli resistance .
PPO ka kemikaliya bɛ mɔgɔ kabakoya. A bɛ jɔ asidiw, basiw, ani safinɛw la i n’a fɔ champ.
O muɲuli in b’a to a ka ɲi kosɛbɛ kemikɛli minɛnw na. A bɛ dɔ bɔ fana ladonni magow la sigida gɛlɛnw na.
Nka, a ka se ka hidrɔkarbɔn kasadimanw ni halojeniw kɛlɛ, o bɛ se ka dan sigi a baara la baara dɔw la.
Flame Resistance Properties .
PPO bɛ tasumafagalan ɲuman di, o b’a to a tɛ lakana kuran ni izini baara la. A bɛ UL94 V-1 hakɛ dafa 0,058' a janya la ani UL94 V-0 la 0,236', o bɛ lakana dannamɔgɔ di tasumako ma.
Nafa minnu bɛ sɔrɔ ji la, olu nafa ka dɔgɔn .
PPO tɛ ji min. A ji minta ka dɔgɔn, o ye plus belebeleba ye.
Nin nafolo in bɛ baara kɛcogo basigilen sabati cogoya nɔgɔlenw na. A ka ɲi kosɛbɛ kɛnɛma baarakɛcogo la walima sigida minnu falen don ji la.
Ji minɛcogo ka dɔgɔn, o kɔrɔ ye ko:
Insulasi jogo ɲumanw .
PPO ye kuran superstar ye. A ka insulation properties ye top-notch ye.
A dafalen don:
PPO bɛ se ka wuli ni tension caman ye ani a ka dielektriki bɔnɛ ka dɔgɔn. O bɛ kɛ sababu ye ka baara kɛcogo ɲuman sabati ani ka baara kɛ ka ɲɛ kuran baarakɛcogo la.
Aesthetic ani surface fini .
PPO tɛ baara kɛcogo dɔrɔn ye. A fana ɲɛ ka ɲi!
A bɛ surface finish smooth di ka bɔ bɔgɔ la. O bɛ kɛ sababu ye ka baara caman kɛ kɔfɛ.
Nafa minnu bɛ sɔrɔ a la, olu ye:
Aesthetic appeal (Aesthetic appeal) min bɛ kɛ ka ɲɛsin fɛnw ma minnu bɛ kɛ ka fɛnw feere .
dɔ bɔra fɛn dilanni musakaw la .
Fɛn caman bɛ sɔrɔ dilancogo suganditaw la .
PPO ka surface finish b’a kɛ fɛn ye min ka di ɛntɛrinɛti ni mobili kɔnɔna na.
PPO plastiki baarakɛcogo .
Mobili industrie .
PPO plastiki jɔyɔrɔ ka bon mobili baara la k’a sababu kɛ a ka muɲuli n’a ka funteni kunbɛncogo ye. A bɛ kɛ ka caya:
Under-the-hood components
PPO ka funteni sabatili b’a to a dafalen don yɔrɔw la i n’a fɔ motɛri datugulanw ani radiyatɛri so. O yɔrɔw bɛ to ka funteni caman sɔrɔ waati jan kɔnɔ, k’a sɔrɔ u ma sɛgɛn walima ka u cogoya tiɲɛ.
Kuran kafolanw ni so
PPO ka dielektriki jogo ɲumanba b’a kɛ sugandili ɲuman ye kuran ɲɔgɔndanw, sow, ani wiriya yɔrɔw la mobili kɔnɔ. O yɔrɔw ka kan ka mobili sigida gɛlɛnw muɲu.
Fuel system components
A ka kemikaliya bɛ se ka kɛ sababu ye ka PPO kɛ fɛnɲɛnamafagalanw na i n’a fɔ fɛnɲɛnamafagalanw filɛriw, pɔnpew, ani valvew. O yɔrɔ ninnu bɛ nafa sɔrɔ PPO ka seko la ka fɛnɲɛnamafagalanw ka sɔgɔli kɛlɛ.
Elektroniki baarakɛyɔrɔ .
PPO bɛnnen don kosɛbɛ ɛntɛrinɛti baarakɛminɛnw ma k’a sababu kɛ a ka fɛnw ye minnu bɛ se ka a tanga. Elektroniki baara la, PPO bɛ kɛ ka:
Kuranko gɛlɛya minnu bɛ kɛ nɛgɛw ni kabɔliw la
PPO bɛ dielektriki fanga caman di, o b’a to a ka ɲi nɛgɛw ni kabaliw ma, ka baara kɛ cogo la min tɛ se ka kɛ hali ni a bɛ se ka kɛ ko a bɛ se ka kɛ ko a bɛ se ka baara kɛ ni a ye.
Connecteurs et switches
A bɛ baara kɛ ni ɲɔgɔndanw ni switchw ye, ka dannaya ni muɲuli di ɛntɛrinɛti ciriw ma.
Printed circuit boards
PPO fana bɛnnen don ka ciriw mabɔ ka da a ka ji minɛcogo dɔgɔyali kan ani a ka kuran insulation ɲuman kan. A bɛ dɛmɛ ka baara kɛcogo sabati nɛnɛ waatiw la.
Minɛnw .
PPO bɛ sɔrɔ tuma caman na du ni dumunikɛminɛnw na k’a sababu kɛ a bɛ se ka funteni ni ji kɛlɛ kosɛbɛ. Misaliw ye:
Cuisini minɛnw
PPO bɛ kɛ kafe dilanni na, blenderw, ani minɛn wɛrɛw la minnu bɛ funteni sɔrɔ, yɔrɔ minnu na, a bɛ mɛn ani a bɛ se ka funteni caman kunbɛn, o nafa ka bon kosɛbɛ.
Du kɔnɔ minɛnw bɛ
a ka baarakɛminɛnw na du kɔnɔ minɛnw na, o bɛ taa fo ka se vacuum saniyalanw ma, kunsigi jalenw, ani minɛn wɛrɛw minnu bɛ sɛgɛn ani ka sɛgɛn.
Minɛnw yɔrɔw
yɔrɔw i n’a fɔ pɔnpe so ani fɛnw, minnu nafa ka bon minɛn suguya caman na, olu ka teli ka dilan ni PPO ye. O yɔrɔw bɛ baara caman de wajibiya cogoya caman na.
Furakɛcogo minɛnw .
Dɔgɔtɔrɔso foro bɛ PPO jate a ka denfaya ni a ka funteni kunbɛncogo la. A bɛ baara kɛ ni a ye kosɛbɛ:
Opereli minɛnw
PPO bɛ se ka funteni caman muɲu, o b’a to a ka ɲi opereli minɛnw ma minnu ka kan ka kɛ ka ɲɛ, minnu ka kan ka kɛ kokura saniya kɔfɛ.
Dɔgɔtɔrɔso
minɛnw Sow Sow bɛ nafa sɔrɔ PPO ka muɲuli la, ka minɛnw lakana minnu bɛ se ka tiɲɛ.
Fɛn minnu bɛ se ka sɛnɛ
PPO ka funteni ni kemikɛliw la, olu b’a to a bɛ se ka kɛ furakɛli yɔrɔw la minnu bɛ se ka sɛnɛ, i n’a fɔ sarɛtiw ni datugulanw.
Aplikasi wɛrɛw .
Mobili, Ɛntɛrinɛti, ani furakɛli baarakɛcogo kɔfɛ, PPO bɛ sira sɔrɔ ka don baarakɛyɔrɔ caman wɛrɛw la:
So jɔli minɛnw
PPO bɛ kɛ ka jɔli kɛ walasa a ka se ka sigida degunw ni kemikɛlifɛnw kɛlɛ, o b’a to a bɛnnen don sow jɔli yɔrɔw ma minnu bɛ mɛn.
Industrial components
A bɛ kɛ ka caya izini masinw ni fɛnw na k’a sababu kɛ a bɛ se ka ko gɛlɛnw muɲu k’a sɔrɔ a ma tiɲɛ.
Mɔgɔ minnu bɛ fɛnw feere
PPO ka fɛn caman na, olu bɛ taa fo ka se feerekɛlaw ka fɛnw ma i n’a fɔ telefɔni kɛsu, farikoloɲɛnajɛ minɛnw, ani fɛn wɛrɛw minnu na, u muɲuni ni u cɛɲi bɛɛ nafa ka bon.
| izini | PPO baarakɛcogo . |
| Mobili . | Dugukolo jukɔrɔla yɔrɔw, fɛnɲɛnamafagalanw, kuran so . |
| Elektroniki . | Wire insulasi, connecteurs, switchw, circuit sɛbɛnnenw . |
| Minɛnw . | Kafe dilanni, fɛnɲɛnamafagalan, pɔnpe so . |
| Furakɛcogo minɛnw . | Opereli minɛnw, minɛnw so, sarɛtiw minnu bɛ se ka sɛnɛ . |
| Industriw wɛrɛw . | So jɔli minɛnw, izini yɔrɔw, fɛnw feereli fɛnw . |
PPO plastiki caman b’a la ani a ɲagaminenw .
PPO plastiki bɛ se ka ladilan walima ka ɲagami ni polimɛri wɛrɛw ye walasa k’a ka jogo bonya ani k’a ka baara kɛcogo caya.
PPO/PS ɲagaminenw .
PPO ɲagaminen minnu bɛ kɛ ka caya, olu dɔ ye PPO/PS ye, o bɛ PPO ni polisitiri (PS) fara ɲɔgɔn kan. Nin ɲagami in bɛ nafa caman di:
Baarakɛcogo ɲɛnabɔli : PS farali bɛ PPO ka nɔgɔya bolicogo ɲɛ, o bɛ kɛ sababu ye ka a baara nɔgɔya ni pikiri kɛli ye walima ka a bɔ kɛnɛ kan.
fanga bonya fanga: PPO/PS ɲagaminenw bɛ nɔ bilali kunbɛncogo caman jira ni i ye u suma ni PPO saniyalen ye, o bɛ u ka baara caya baarakɛcogo la minnu bɛ gɛlɛya wajibiya.
Dimensions stabilité (hakɛ sabatili) cayalen : O ɲagaminen bɛ PPO ka dimensionnel sabatili ɲuman mara, ka baara kɛcogo basigilen sabati sigidaw la minnu bɛ ɲini.
PPO min falen bɛ galasi la .
Glass fibres don PPO plastiki kɔnɔ, o bɛ fɛn dɔ dilan min bɛ kɛ ni masinw ye minnu bɛ se ka bonya:
Kɔrɔya ni fanga ka bon: PPO falen bɛ gilasi la, o bɛ dɔ fara a ka gɛlɛya kan ani a fanga kan, o b’a to a bɛnnen don baarakɛcogo la.
Sumaya sabatili ɲɛnabɔlen : Glass fibres bɛ PPO ka funteni kunbɛncogo ɲɛ, o b’a to a bɛ se k’a ka sekow mara funteni caman na.
Warpage dɔgɔyali ni a dɔgɔyali: Glass fibres ka fanga bonya bɛ kɛlɛpage ni dɔgɔyali dɔgɔya baara kɛtuma na, ka dimensionnel tiɲɛni sabati.
PPO min bɛ kɛ ka tasuma don a la .
Baara minnu bɛ kɛ ni tasuma ye, tasuma-fanga-minɛnw bɛ se ka don PPO plastiki kɔnɔ:
Tasuma kunbɛncogo ɲuman: PPO tasuma-fanga-minɛn bɛ fanga jira min bɛ se ka tasuma ni tasuma jɛnsɛn, o bɛ dɔ bɔ tasumako faratiw la.
Lakanali sariyaw labatoli: Nin PPO hakɛ caman sɛmɛntiyalenw bɛ tasuma lakanani sariya suguya caman dafa, i n’a fɔ UL94, o b’a to u bɛnnen don ka baara kɛ ni u ye kuran ni ɛntɛrinɛti yɔrɔw la.
PPO ɲagaminen wɛrɛw ni a ka fɛn wɛrɛw .
PPO bɛ se ka fara ɲɔgɔn kan ni polimɛri suguya wɛrɛw ye walasa ka jogo kɛrɛnkɛrɛnnenw sɔrɔ:
PPO/polyamide ɲagaminenw: PPO ni . Poliyamidi (Nylon) bɛ fɛn in ka gɛlɛya, a ka kemikaliya, ani a ka funteni sabatili ɲɛ.
PPO/poliporopilini ɲagaminenw: PPO ɲagaminen ni . Poliporopilini (PP) bɛ fɛn in ka baarakɛcogo n’a ka nɔ bilali kunbɛn ka ɲɛ ka sɔrɔ ka funteni kunbɛncogo ɲuman mara.
PPO/thermoplastic elastomer ɲagaminenw: Ka elastomɛri thermoplastique (TPES) don PPO kɔnɔ, o bɛ fɛnw fara ɲɔgɔn kan minnu bɛ se ka fɛnw sɛgɛsɛgɛ, ka fɛnw bila u nɔ na, ani ka yɛrɛyɛrɛli dabila.
| Blend/Modication | Key Benefits |
| PPO/PS . | Processability (Baarakɛcogo ɲuman) ɲɛtaa, Impact (Baarakɛcogo) Fanga, Dimensional Stabilité . |
| PPO min falen bɛ galasi la . | Kɔrɔya ni fanga ka bon, funteni sabatili ɲɛnabɔlen, Warpage dɔgɔyali . |
| PPO min bɛ kɛ ka tasuma don a la . | Tasuma kunbɛncogo ɲuman, lakana sariyaw labatoli . |
| PPO/polyamide . | Toughness (Gɛlɛya) min bɛ bonya, kemikɛli, funteni sabatili . |
| PPO/polypropylene . | Processability ɲuman, Impact resistance, funteni kɛlɛli . |
| PPO/Elastomer thermoplastique . | Flexibilité (Flexibilité) ɲɛnabɔli, Impact Resistance, Vibration Damping . |
Ni aw bɛ baara kɛ ni PPO ɲagaminenw ni fɛn dɔw ye, a nafa ka bon aw ka se ka a dɔn . Pikiri mɔli tiɲɛniw ani u kunbɛncogo. Ka fara o kan, baara minnu bɛ kɛ ni density (dansi) ka bon ani ka mɛn, aw bɛ jateminɛ kɛ ka sɛgɛsɛgɛli kɛ . HDPE pikiri kɛli i n’a fɔ fɛɛrɛ wɛrɛ walima dafalen.
PPO plastiki baara: Fɛɛrɛ minnu bɛ kɛ ka ɲɛtaa ɲuman sɔrɔ .
Pikiri kɛcogo: a ka ɲi ani a ka baarakɛcogo ɲuman .
Pikiri mɔli ye fɛɛrɛ ye min bɛ kɛ ka PPO yɔrɔw dilan. A bɛ fɛn dilanni hakɛ ɲuman ni teliya di.
Fɛnw labɛnni ani u jalen .
Labɛnni ɲuman nafa ka bon kosɛbɛ PPO yɔrɔw la:
Ji bɛ se ka kɛ sababu ye ka fiɲɛ bila a la, o la aw kana tɛmɛ nin sen in kan!
Masina sigicogo ani paramɛtɛrɛw .
Settings sɔrɔli ka ɲɛ, o ye fɛnba ye:
Funteni hakɛ: 260-300°C .
Moli funteni hakɛ: 80-120°C .
Pikiri tansiyɔn: 70-140 MPa .
Aw bɛ o paramɛtɛrɛw ladilan ka da yɔrɔ jateminɛcogo kan ani jogo ɲininenw kan. Dafalen Dakun dilanni fana nafa ka bon kosɛbɛ walasa ka ɲɛtaa ɲuman sɔrɔ.
Gɛlɛyaw ɲɛnabɔli koɲɛw la .
Hali dɔnnikɛlaw bɛ gɛlɛyaw sɔrɔ. Nin ye cogo ye min bɛ se ka kɛ . Pikiri mouding Defects :
| Ko min | bɛ se ka kɛ sababu ye | ka furaji kɛ . |
| kɛlɛ ɲɛ . | Nɛnɛ tɛ kelen ye . | Aw bɛ nɛnɛ waati ni mɔli funteni ladilan . |
| Burn taamasiɲɛw . | Sumaya kojugu . | Aw bɛ funteni dɔgɔya . |
| Shorts shots . | Degun min tɛ se ka kɛ . | Aw bɛ dɔ fara pikiri tansiyɔn kan . |
Extrusion: profiles continues (profils continues) cogoya .
Extrusion (bɔli) ka ɲi kosɛbɛ PPO profiles (PPO profiles) janw, minnu bɛ taa ɲɛ. A bɛ kɛ pibilikiw, berew ani sɛbɛnw kama.
Die design ani configuration .
Die bɛ i ka fura laban cogoya:
Design for uniforme melt flow .
Aw ye die funu jateminɛ aw ka jatew kɔnɔ .
Aw bɛ baara kɛ ni chrome-plated dies ye yɔrɔ nɔgɔlenw na .
Die min dilannen don koɲuman, o bɛ a to a ka kɛ cogo basigilen na.
Process Optimisation .
Aw ka extrusion processus ka ɲɛ:
Aw bɛ funteni basigilen mara .
Contrôle vis speed for uniform output .
monitor ani adjust die pressure .
Nin fɛɛrɛ ninnu bɛ dɛmɛ ka fɛn dilannenw cogoya ɲuman sɔrɔ.
Extrusion kɔfɛ baarakɛtaw .
Aw ka baara tɛ kɛ extrusion kɔfɛ:
Nɛnɛ: Aw bɛ jifilenw walima fiɲɛ nɛnɛma kɛ .
Tigɛ: Baara kɛ ni tigɛlanw ye minnu bɛ wuli ka taa ɲɛ walasa ka baara kɛ ni u ye tuma bɛɛ .
Surface treatment: Aw ye corona furakɛli jateminɛ ka ɲɛsin nɔrɔli ma .
Nin wale ninnu bɛ i ka PPO fɛn laban.
Machining: Crafting yɔrɔ tigitigiw .
Machining PPO bɛ sira di jateminɛ gɛlɛnw ma ani muɲuli gɛlɛnw ma. A ka ɲi kosɛbɛ prototypes ni production runs misɛnninw na.
Tigɛ ni Drilling .
PPO masinw ka ɲi, nka a bɛ ladonni de wajibiya:
Aw bɛ baara kɛ ni nɛgɛ walima karɔbɔli baarakɛminɛnw ye minnu ka gɛlɛn, minnu teliya ka bon .
Aw bɛ tigɛ teliyabaw mara .
Aw bɛ nɛnɛ bɛrɛ di walasa ka funteni kunbɛn .
O walew bɛ tigɛw ni yɔrɔw nɔgɔya.
Tapping ani threading .
Filɛriw dilanni PPO kɔnɔ, o bɛ se ka kɛ:
Baara kɛ ni standard taps ani dies ye .
Aw bɛ pɔnpew boli ni teliya dɔgɔman ye ka tɛmɛ nɛgɛw kan .
Segin ka bɔ tuma caman walasa ka chips saniya .
Fɛɛrɛ ɲuman bɛ sirili bali ka bɔ.
Polishing ani finishing .
Aw bɛ yɔrɔ nɔgɔlenw sɔrɔ ni nin laadilikan ninnu ye:
Aw bɛ a daminɛ ni cɛncɛn ɲuman ye (400 grit) .
Ɲɛtaa ka se grits fines ma (ka se san 2000 ma) .
Aw bɛ poliyali kɛ ka finimugu dɔ kɛ min bɛ kɛnɛya kosɛbɛ .
Finimugu nɔgɔlen bɛ aesthetics ni baara fila bɛɛ bonya.
welding ni bonding: ka fara PPO yɔrɔw kan .
Tuma dɔw la, aw ka kan ka fara PPO yɔrɔw kan. Fɛɛrɛ ɲuman saba filɛ nin ye:
ultrasonic welding .
Ultrasonic welding bɛ teliya ani ka saniya:
A bɛ baara kɛ ka ɲɛ yɔrɔw la minnu kogow ka fin .
A bɛ sigilan barikamaw di, minnu bɛ kɛ ni fɛnɲɛnamafagalanw ye .
A tɛ fɛn wɛrɛw wajibiya .
A ka ɲi kosɛbɛ ka ɲɛsin fɛn caman dilanni ma.
Solvent bonding .
Solvent bonding bɛ kemikɛli jɛɲɔgɔnya barikamaw lawuli:
Aw bɛ furajiw kɛ i n’a fɔ trikloretilɛni walima kulori metilɛni .
Aw bɛ furaji kɛ a fan fila bɛɛ la .
Aw bɛ a yɔrɔw digi ɲɔgɔn kan ka a to u ka ja .
Aw bɛ aw jija ka fiɲɛ bila ka ɲɛ ni aw bɛ baara kɛ ni furajiw ye.
Bonding adhesive .
Adhesives bɛ fɛn caman di ka fara PPO kan:
Epoxy adhesives bɛ baara kɛ ka ɲɛ ni PPO ye .
Aw bɛ yɔrɔw labɛn ni saniya ni fɛn gɛlɛnw ye .
Aw bɛ a dilannikɛla ka furakɛli kɛcogo labato .
Adhesive bonding ka ɲi kosɛbɛ ka fara fɛnw kan minnu tɛ kelen ye.
Dilan jateminɛw PPO plastiki yɔrɔw kan .
Kogow ka bonyacogo ɲɛfɔli .
Kogo janya bɛnnen nafa ka bon kosɛbɛ PPO yɔrɔw la. A bɛ nɔ bila fanga la, nɛnɛ na, ani jogo bɛɛ lajɛlen na.
Kogo janya hakɛ min bɛ fɔ:
A dɔgɔyalenba: 1,5 mm .
A ka ca ni: 3 mm ye .
A ka fisa: 2-2,5 mm .
Aw bɛ a janya kelen mara a yɔrɔ bɛɛ la. o bɛ bali . Warping ani Stress Concentrations.
Tɛmɛsira dɔɔnin dɔɔnin janya suguya wɛrɛw ni ɲɔgɔn cɛ. Aw bɛ baara kɛ ni 3:1 hakɛ ye walasa ka fɛn caman Changer.
Rib ni Boss design .
Kɔnɔbara ni patɔrɔnw bɛ fanga dɔ fanga bonya ni fɛnw tɛ baara kɛ ni u ye kojugu.
rib design tips:
A janya: a bɛ se ka kɛ kogo janya ye siɲɛ 3 .
A janya: 50-70% kogo kɛrɛfɛ .
Yɔrɔ janya: A ka dɔgɔn ni kogo janya ye siɲɛ 2-3 ye a ni ɲɔgɔn cɛ .
Boss ka laadilikanw:
Kɛmɛsarada la: 2 siɲɛ dingɛ diamètre .
Kogo janya: 60-75% kogo kɛrɛfɛ .
Baara kɛ ni gussets ye ka ɲɛsin kuntigi janw ma .
draft angles ani undercuts .
Draft angles bɛ yɔrɔ bɔli nɔgɔya ka bɔ mɔni na. U nafa ka bon kosɛbɛ walasa ka u dilanni nɔgɔya.
Angles de draft recommendées:
Kɛnɛma kogow: 1-2 degɛrɛ .
Kɔnɔna kogow: 0,5-1 degɛrɛ .
Yɔrɔ minnu bɛ kɛ ni sɛbɛnni ye: dɔ bɛ fara o kan ni degere 1-2 ye .
Aw bɛ aw yɛrɛ tanga fɛnw tiɲɛni ma ni aw bɛ se. U bɛ gɛlɛya don mɔbili dilanni na ani ka musakaw caya.
Ni Undercuts ye wajibi ye, aw ye jateminɛ kɛ:
Sliding cores .
collapsible cores .
Molds split .
Gate yɔrɔ ani a bonya .
Dakun dilanni bɛ nɔ bila a yɔrɔ ɲuman na ani a dilanni na. Sugandili kɛ ni hakilitigiya ye!
Gate yɔrɔ jateminɛw:
Dakun min ka bon kosɛbɛ .
ka bɔ critical dimensions la .
Balanced ka ɲɛsin multi-cavity molds ma .
Dakun hakɛ Ladilikanw:
A janya: 50-80% kogo janya la .
A bonya: 1-1,5 bɛ kɛ siɲɛ 1-1,5 ye .
Dugukolo janya: 0,8-1,6 mm .
Shrinkage ani Warpage Control .
PPO bɛ dɔgɔya ni a bɛ nɛnɛ. Aw ye a labɛn aw ka dilancogo la.
A ka ca a la, a bɛ se ka kɛ ko a bɛ se ka kɛ ko:
PPO min ma fa: 0,5-0,7% .
PPO min falen bɛ galasi la: 0,1-0,3% .
Walasa ka WarPage dɔgɔya:
design simetrical parts .
Aw bɛ baara kɛ ni kogo janya kelen ye .
Aw bɛ kɔkiliw fara a kan walasa ka barika don .
Aw ye jateminɛ kɛ orientation de fibres verre dans les grades faits .
Tolerances ani Fits .
PPO bɛ se ka sɔrɔ ka gɛlɛn . muɲuliw . Nka, i ka kɛ mɔgɔ sɛbɛ ye i ka jigiyaw la.
Tolerances minnu bɛ se ka sɔrɔ:
A ka gɛlɛn: ±0,4 mm .
Medium: ±0,2 mm .
Fine: ±0,1 mm .
Lajɛw kama, aw ye jateminɛ kɛ:
Clearance bɛ bɛn yɔrɔ lamagannenw ma .
Interference bɛ bɛn ɲɔgɔndan jɔlenw ma .
Tɛmɛsira bɛ bɛn ɲɔgɔndɛmɛ ma .
PPO yɔrɔw la, fɛn minnu bɛ kɛ ka mɔgɔw faga, olu ka baarakɛcogo ɲuman ni u ka baarakɛcogo ɲɛ .
Trimming ani finishing .
Fɛɛrɛ minnu bɛ kɛ ka fɛn tɛmɛnenw bɔ yen .
A mɔlen kɔfɛ, PPO yɔrɔw ka teli ka TLC dɔɔni sɔrɔ. U saniyacogo filɛ nin ye:
Manuel trimming: Aw bɛ baara kɛ ni nɛgɛw ye minnu bɛ kɛ ni nɛgɛ ye walasa ka baara kɛ ka ɲɛ.
CNC Machining : A ka ɲi kosɛbɛ ka ɲɛsin fɛn caman dilanni ma ani cogoya gɛlɛnw ma.
Laser tigɛ: A ka ɲi kosɛbɛ dilancogo gɛlɛnw na ani a dakunw saniyalenw na.
Aw ye aw ka fɛɛrɛ sugandi ka da a yɔrɔ gɛlɛya ni a dilanni hakɛ kan.
Finishing processes walasa ka surface yecogo n’a nafaw bonya .
Aw bɛ aw ka PPO yɔrɔw kɛ yeelen ye:
Sanding: Aw bɛ a daminɛ ni grit gɛlɛn ye, aw bɛ aw ka sira baara ka ɲɛ.
Polishing : Aw bɛ buffing wheels kɛ ni polishing compounds ye.
Ja: Aw bɛ penti kɛrɛnkɛrɛnnenw kɛ plastikiw la.
Plating: Aw bɛ nɛgɛdaga dɔ fara a kan walasa ka ɲɛnajɛko ɲɛnabɔ ani ka a muɲu.
O wale ninnu bɛ se ka yɔrɔ dɔw cogoya n’u baarakɛcogo ɲɛ kosɛbɛ.
Lajɛba jateminɛw .
Bonding adhesive .
Aw bɛ a nɔrɔ ɲɔgɔn na:
Epoxy resinw: jɛɲɔgɔnya barikamaw bɛ kɛ ka ɲɛsin baarakɛcogo ma.
Cyanoacrylates: Teliya-labɛn yɔrɔ misɛnninw na.
Poliyuritanw: sirili minnu bɛ se ka wuli ka bɔ u nɔ na yɔrɔw la minnu ka kan ka di.
Aw bɛ yɔrɔw labɛn tuma bɛɛ sani aw ka ɲɔgɔn siri. Aw bɛ a saniya ani ka a gɛlɛya walasa a ka se ka a sɔrɔ a ka ɲi.
ultrasonic welding .
Aw bɛ aw ka sira lamaga ka taa ɲɔgɔndan gɛlɛnw na:
A ka ɲi kosɛbɛ yɔrɔw la minnu kogow ka fin.
A bɛ taamasiyɛn barikamaw dilan, minnu bɛ kɛ ni hermetiki ye.
Teliya ni saniya, ni fɛn wɛrɛw mago tɛ yen.
Aw bɛ aw jija ka welda joli dilancogo ɲuman sɔrɔ walasa ka a sɔrɔcogo ɲumanw sɔrɔ.
Mekanikiw ka sirili .
Tuma dɔw la, sira kɔrɔw de ka fisa:
Screws: Aw bɛ baara kɛ ni yɛrɛdɔn suguyaw ye minnu dilannen don plastiki kama.
rivets : a ka ɲi jolidaw ma minnu bɛ to sen na.
Snap Fits: A ka ɲi kosɛbɛ walasa ka ɲɔgɔn lajɛ nɔgɔya la ani ka u bɔ ɲɔgɔn na.
design boss ani mounting points ka jatebɔ kɛ cogo kelen na.
Quality Contrôle .
Sɛgɛsɛgɛli yelenw .
Aw bɛ to ka aw ɲɛw sɔgɔ:
Aw bɛ a lajɛ ni a bɛ yɔrɔ dɔw la i n’a fɔ jibolisira taamasiɲɛw walima jibolisiraw.
Aw bɛ kulɛriw cogoya ɲini yɔrɔw la.
Aw bɛ a lajɛ ni a bɛ flash walima fɛn tɛmɛnenw dɔn.
Aw ye aw ka ekipu dege ka commun ye . Pikiri dilanni bɛ nɔgɔya joona.
Dimensions checks .
Aw bɛ a suman siɲɛ fila, aw bɛ a ci siɲɛ kelen:
Aw bɛ baara kɛ ni kalifaw ye walasa ka sumani kɛ tigitigi.
Baara kɛ ni GO/NO-GO gauges ye walasa ka sɛgɛsɛgɛli caman kɛ.
Aw bɛ CMM jateminɛ jateminɛ gɛlɛnw na.
Aw bɛ sɔnni sariyaw sigi sen kan minnu bɛ se ka kɛ fɛn kelen-kelen bɛɛ ye, ka aw hakili to a la . Pikirili Mulding Tolerances ..
Kɔrɔbɔli kɛcogo .
Degun sɛgɛsɛgɛliw .
Aw ye aw ka yɔrɔw bila u ka taamaw la:
Tensile testing: Aw bɛ fanga ni janya lajɛ.
Kɔnɔnatumuw sɛgɛsɛgɛli: Aw bɛ gɛlɛya ni tiɲɛni jateminɛ.
Sɛgɛn sɛgɛsɛgɛli: Aw bɛ baara kɛcogo kuntaalajan jateminɛ.
Aw bɛ aw ka sɛgɛsɛgɛliw kɛ ka kɛɲɛ ni yɔrɔ in baaracogo laɲininen ye.
Funteni kɛlɛli sɛgɛsɛgɛliw .
Aw bɛ funteni wuli:
Funteni deflection température (HDT) sɛgɛsɛgɛli.
vicat softening point determination.
Bisikili funteni ka ɲɛsin funteni jiginni ma.
O sɛgɛsɛgɛliw bɛ a to aw ka yɔrɔw bɛ se ka funteni ta.
pakew jateminɛcogo .
Lakanali fɛɛrɛw marali ni u ta waati la .
Aw bɛ aw ka yɔrɔw mara cogo la min tɛ se ka kɛ:
Aw bɛ baara kɛ ni anti-static bags ye ɛntɛrinɛti yɔrɔw la.
Baara kɛ ni custom foam inserts ye yɔrɔ nɔgɔlenw na.
Aw bɛ jateminɛ kɛ pakew kɔnɔ minnu datugulen don ni vacuum ye walasa u ka mara waati jan kɔnɔ.
A foroko dilanni ka ɲɛ, o bɛ tiɲɛni bali ani ka a lajɛ ni a yɔrɔw bɛ se ka labɛn.
Baarakɛcogo ɲɛfɔli .
Tiɲɛni balili yɔrɔw la .
Handle ni ladonni:
Aw bɛ bolokɔniw don walasa ka tuluw ni nɔgɔw tali bali.
Aw bɛ baara kɛ ni baarakɛminɛnw ye minnu bɛ kɛ ni soft-tipped ye walasa ka manipule kɛ.
Aw bɛ yɔrɔw mara sigida saniyalen na, yɔrɔ min bɛ funteni kunbɛn.
Gɛlɛyaw ɲɛnabɔli PPO plastiki baarakɛcogo koɲɛw .
Sinsin taamasiyɛnw ni yɔrɔ lakolonw .
Sinsin taamasiɲɛw ni yɔrɔ lankolonw bɛ sɔrɔ PPO yɔrɔ finmanw na. O fiɲɛw bɛ sɔrɔ ni fɛn in nɛnɛna cogo kelen na, o bɛ na ni kɔnɔnatumuw ye walima ni dugukolo sanfɛla degunw ye. Walasa ka nin ko in ɲɛnabɔ:
Aw bɛ dɔ fara pakew tali tansiyɔn kan pikiri kɛtuma na walasa ka a yɔrɔ fa pewu.
Aw bɛ nɛnɛ waati ɲɛ walasa ka solidification continue sɔrɔ a yɔrɔ bɛɛ la.
Yɔrɔ minnu ka bon, olu ka kan ka bali walima ka u kɛ dɔɔni dɔɔni walasa ka nɛnɛ yɛrɛ sabati.
Kɛlɛ ɲɛ ni a tiɲɛni .
Warpage bɛ Kɛ ni PPO yɔrɔ yɔrɔw bɛ nɛnɛ hakɛ wɛrɛw la, o bɛ degun ni fɛn tiɲɛni Kɛ. Walasa ka warping bali:
Aw bɛ aw jija kogo janya kelen dilancogo bɛɛ la walasa ka degunw dɔgɔya.
Aw bɛ mɔli funteni ni nɛnɛ waatiw ladilan walasa ka funteni tilacogo kelen sɔrɔ.
Aw bɛ fɛnw dɔgɔyali dɔgɔya ni aw bɛ nɔgɔbɔlan tansiyɔn kunbɛn.
Jeni ni a ɲɛnamini .
Jeni walima a kulɛri bɔli bɛ kɛ ni PPO sumayalen don walima ni fiɲɛ bɛ a la a baarakɛtuma na. A ka ca a la, a bɛ jira i n’a fɔ yɔrɔ dibimaw walima a dakunw jenitaw. Aw ye aw yɛrɛ tanga o ma ni nin ye:
barika funteni dɔgɔyali ani pikiri teliya sumaya.
Aw bɛ a lajɛ ni fiɲɛ sirilen bɛ nɔgɔ la ani ka a lajɛ ni fiɲɛ bɛ don a la ka ɲɛ.
Aw bɛ to ka masin in saniya walasa ka tolenw bali, o bɛ se ka kɛ sababu ye ka jeni.
Short shots ani fa dafabaliya .
Marifa surunw bɛ kɛ ni foroko ma fa pewu, ka yɔrɔw to yen walima ka tilayɔrɔ dafabaliw to yen. Aw ye nin ko in ɲɛnabɔ ni:
Aw bɛ dɔ fara pikirijikɛlan tansiyɔn walima a teliya kan walasa ka nɔgɔ fa.
Aw bɛ funteni wuli walasa ka fɛnw bolicogo ɲɛ.
Aw bɛ aw jija ka nɔgɔ bɔ ka ɲɛ walasa fiɲɛ kana a minɛ.
Flash ani burrs .
Flash bɛ Kɛ ni fɛn tɛmɛnen bɛ Bɔ nɔgɔ tilayɔrɔw ni ɲɔgɔn cɛ, ka layɛrɛ finmanw walima buruw Dabɔ a yɔrɔ dakunw na. Walasa ka Flash labɛn:
Aw bɛ dɔ bɔ fanga sirili fanga la walima ka mɔli ka sigilanw ɲɛ.
Aw bɛ a lajɛ ni nɔgɔ yɔrɔw walima a kɛcogo jugu tɛ ani aw bɛ fɛn dɔw sɛmɛntiya minnu ka kan.
Pikiri tansiyɔn jigin ni a bɛ fɛn tɛmɛnenw wajibiya ka don nɔgɔbɔlan yɔrɔ la.
Layini wel .
welda layiniw bɛ sɔrɔ yɔrɔ min na flow ɲɛfɛ fila bɛ ɲɔgɔn sɔrɔ, ani flow marks bɛ fɛnw bolicogo jira min tɛ bɛn ɲɔgɔn ma. U fila bɛɛ bɛ nɔ bila yɔrɔ in cogoya n’a jɔcogo dafalen na. Walasa ka nin ko in ɲɛnabɔ:
Aw bɛ dɔ fara mɔni funteni ni pikiri teliya kan walasa ka fɛnw bɔli ɲɛ.
Aw bɛ da yɔrɔw sɛmɛntiya walima ka da wɛrɛw fara a kan walasa ka jibɔ sira koɲɛw dɔgɔya.
Aw bɛ a lajɛ ni pikirijikɛlan tansiyɔn bɛ to ka kɛ walasa ka aw tanga jibɔ tigɛcogo ma.
| Ka | sababuw | ɲɛnabɔ min bɛ se ka kɛ . |
| Sinsin taamasiyɛnw ni yɔrɔ lakolonw . | Nɛnɛ kɛcogo tɛ kelen ye walima a bɛ kɛ ni a bɛ kɛ ka a kɛ fɛn ye . | Aw bɛ dɔ fara pakew degun kan, ka nɛnɛ kɛcogo ɲuman sɔrɔ . |
| Kɛlɛ ɲɛ ni a tiɲɛni . | Fɔɲɔ walima fɛn dɔ dɔgɔyali tɛ kelen ye . | Aw bɛ a lajɛ ni a janya bɛ kɛ kelen ye, a bɛ nɛnɛ kunbɛn . |
| Jeni ni a ɲɛnamini . | Sumaya kojugu walima fiɲɛbɔlan jugu . | Aw bɛ funteni dɔgɔya, aw bɛ aw jija ka fiɲɛ bila ka ɲɛ . |
| Shorts shots . | Pikiri tansiyɔn dɔgɔyali walima fiɲɛbɔlan jugu . | Aw bɛ dɔ fara pikiriji tansiyɔn kan, ka fiɲɛbɔlanw ɲɛ . |
| Flash ani burrs . | Fɛn tɛmɛnenw bɔli ka bɔ nɔgɔbɔlanw na . | Aw bɛ dɔ bɔ fanga la min bɛ kɛ ka mɔgɔw siri, aw bɛ mɔli kɛcogo lajɛ . |
| Layini wel . | Flow inconsistent walima moule design jugu . | Aw bɛ daaw ladilan, ka dɔ fara pikiri teliya kan . |
Kunnafoni wɛrɛw sɔrɔ . Pikiriw dilanni tiɲɛniw ani u ɲɛnabɔcogo, aw ye an ka gafe bɛɛ lajɛlen lajɛ.
WALIMA .
PPO Plastiki bɛ dimensions stabilités (hakɛ sabatili) ɲuman di, a bɛ se ka kɛ ni kemikɛli ye, ani a bɛ kuran insulation ɲuman di. PPO grade ni processing fɛɛrɛ ɲuman sugandili ye fɛnba ye walasa ka baara kɛcogo ɲuman sɔrɔ. Ni fɛɛrɛ kuraw bɛ ka taa ɲɛ, PPO ɲagaminenw ni baarakɛcogo fɛɛrɛw bɛna taa ɲɛ.
Ladilikanw: A bɛ se ka kɛ ko aw bɛ a fɛ ka a bɛɛ kɛ plastiki ye .
