I-PPSU, igama lesayensi le-polyphenylene sulfone resin, iyi-amorphous thermoplastic ene-transparency ephezulu kanye nokuzinza kwe-hydrolytic, futhi imikhiqizo ingakwazi ukumelana nokubulala amagciwane okuphindaphindiwe.
I-PPSU ivame kakhulu kune-polysulfone (PSU), i-polyethersulfone (PES) ne-polyetherimide (PEI).
Ukusetshenziswa kwe-PPSU
1. Izinto zasendlini kanye neziqukathi zokudla: zingasetshenziselwa ukwenza okokusebenza kwe-oven microwave, izifudumezi zekhofi, izinto zokuthambisa, ezomisa izinwele, izitsha zokudla, amabhodlela ezingane, njll.
2. Imikhiqizo yedijithali: esikhundleni sethusi, i-zinc, i-aluminium nezinye izinto zensimbi, ukwakhiwa kwamakesi ewashi, izinto zokuhlobisa zangaphakathi namakhophi, izingxenye zekhamera nezinye izingxenye zesakhiwo esinembayo.
3. Imboni yemishini: ikakhulukazi sebenzisa ukucaciswa okuqinisiwe kwe-glass fibre, imikhiqizo inezici zokumelana nokukhasa, ubulukhuni, ukuzinza kwe-dimensional, njll., ifanele ukukhiqizwa kwamabakaki okuzala kanye negobolondo lezingxenye zemishini nokunye.
4. Inkundla yezokwelapha nempilo: ifaneleka kakhulu amathuluzi amazinyo nawokuhlinza, amabhokisi okubulala amagciwane (amapuleti) kanye nezinhlobonhlobo zamathuluzi ezokwelapha angatshalwanga abantu.
Ukubonakala kwe-PPSU
Izinhlayiya zemvelo eziphuzi ngokusobala noma izinhlayiya ezikhanyayo.
Izidingo zokusebenza ngokomzimba ze-PPSU
Ukuminyana (g/cm³) | 1.29 | Ukushwabana kwesikhunta | 0.7% |
Izinga lokushisa elincibilikayo (℃) | 370 | Ukumuncwa kwamanzi | 0.37% |
Izinga lokushisa lokumisa (℃) | 150 | Isikhathi sokumisa (h) | 5 |
Izinga lokushisa lesikhunta (℃) | 163 | Izinga lokushisa lomjovo (℃) | 370~390 |
Amaphuzu amaningana kufanele anakwe lapho uklama imikhiqizo ye-PPSU nezibunji
1. I-fluidity ye-PSU yokuncibilika ayilungile, futhi isilinganiso sobude bokuncibilika kokuncibilika kuya ekugqineni kodonga cishe singama-80. Ngakho-ke, ukushuba kodonga lwemikhiqizo ye-PSU akufanele kube ngaphansi kuka-1.5mm, futhi iningi lazo lingaphezu kuka-2mm.
Imikhiqizo ye-PSU iyazwela kumanotshi, ngakho-ke ukuguqulwa kwe-arc kufanele kusetshenziswe kuma-engeli angakwesokudla noma abukhali.Ukuncipha kokubumba kwe-PSU kuzinzile, okungu-0.4% -0.8%, futhi indlela yokuncibilika kokuncibilika iyafana naleyo eqonde mpo.I-engeli yokudiliza kufanele ibe ngu-50:1.Ukuze kutholwe imikhiqizo ekhanyayo nehlanzekile, ubulukhuni obungaphezulu besikhunta kudingeka bube ngaphezu kuka-Ra0.4.Ukuze kube lula ukugeleza kokuncibilika, i-sprue yesikhunta iyadingeka ukuthi ibe mfushane futhi ishube, ububanzi bayo okungenani bube yi-1/2 yobukhulu bomkhiqizo, futhi inomthambeka ongu-3 ° ~ 5 °.Isigaba esiphambanayo sesiteshi se-shunt kufanele sibe i-arc noma i-trapezoid ukuze kugwenywe ukuba khona kokugoba.
2. Ifomu lesango linganqunywa umkhiqizo.Kodwa ubukhulu kufanele bube bukhulu ngangokunokwenzeka, ingxenye eqondile yesango kufanele ibe mfushane ngangokunokwenzeka, futhi ubude bayo bungalawulwa phakathi kuka-0.5 ~ 1.0mm.Indawo yembobo yokuphakelayo kufanele isethwe odongeni oluwugqinsi.
3. Beka izimbobo ezibandayo ezanele ekugcineni kwe-sprue.Ngoba imikhiqizo ye-PSU, ikakhulukazi imikhiqizo enezindonga ezincane, idinga ingcindezi ephezulu yomjovo kanye nezinga lomjovo elisheshayo, izimbobo ezinhle zokukhipha umoya noma ama-grooves kufanele amiswe ukuze kukhishwe umoya esibunjeni ngesikhathi.Ukujula kwalawa ma-vent noma ama-grooves kufanele kulawulwe ngaphansi kuka-0.08mm.
4. Ukumiswa kwezinga lokushisa kwesikhunta kufanele kube yinzuzo ukuthuthukisa ukuncibilika kwe-PSU ngesikhathi sokugcwaliswa kwefilimu.Izinga lokushisa lesikhunta lingafinyelela ku-140 ℃ (okungenani ku-120 ℃).
Isikhathi sokuthumela: 03-03-23