PTFE nembanemba angagwiritsidwe ntchito pakati pa thiransifoma zokhotakhota mkuwa zojambulazo, kutchinjiriza ndi zomatira, kudzera mu filimu kusintha kutchinjiriza kalasi ya thiransifoma, kuchepetsa kusiyana pakati pa zigawo za thiransifoma ndi kumapangitsanso mphamvu mawotchi a thiransifoma, kuwonjezera, PTFE nembanemba akhoza. kugwiritsidwa ntchito kwa mtundu wouma thiransifoma, capacitor, chida chamagetsi, monga gasket pakati pa zigawo za kutchinjiriza ndi ma elekitiroma osagwira kutentha, unsembe wa mzere, kutchinjiriza kutentha kwa waya, ali ndi chiyembekezo chachikulu chamsika.
Transformers nthawi zambiri ntchito kupereka zizindikiro panopa ndi voteji kuti magetsi muyeso mphamvu, muyeso, ulamuliro, relay chitetezo, etc. Kulondola kwawo ndi kudalirika zimagwirizana kwambiri ndi chitetezo, bata ndi ntchito zachuma dongosolo mphamvu, ndipo ndi chimodzi mwa zofunika kwambiri. zida zamphamvu kwambiri mumagetsi amagetsi.Ndi chitukuko cha mafakitale amagetsi, mphamvu yotumizira mphamvu yamagetsi ikuwonjezeka, ndipo mphamvu yamagetsi yamagetsi yamagetsi ikukwera.Ndi kuwongolera kosalekeza kwa mulingo wamagetsi, thiransifoma ikukumana ndi vuto kuti kapangidwe kanyumba kamakhala kovuta kukwaniritsa zofunikira pakupanga.
Monga amadziwika kwa onse, polytetrafluoroethylene (PTFE) chifukwa cha ntchito yawo yabwino (kalasi c kutchinjiriza), kukana mankhwala dzimbiri, kukana nyengo, makina katundu ndi matenthedwe bata la ntchito kwambiri, kutentha zosagwira ntchito kopitilira muyeso (ntchito kwa nthawi yaitali). kutentha kwa ntchito 150 ℃ ~ + 260 ℃), etc., pazida zamagetsi, waya ndi chingwe, kutchinjiriza kwagwiritsidwa ntchito kwambiri.Chithunzi cha PTFEangagwiritsidwe ntchito pakati pa thiransifoma zokhotakhota mkuwa zojambulazo, kutchinjiriza ndi zomatira, kudzera filimu kusintha kutchinjiriza kalasi ya thiransifoma, kuchepetsa kusiyana pakati pa zigawo za thiransifoma ndi kumapangitsanso mphamvu mawotchi a thiransifoma, kuwonjezera, PTFE nembanemba angagwiritsidwe ntchito. kwa mtundu wowuma thiransifoma, capacitor, chida chamagetsi, monga gasket pakati pa zigawo za kutchinjiriza ndi ma elekitiroma osagwira kutentha, unsembe wa mzere, kutchinjiriza kutentha kwa waya, ali ndi chiyembekezo chachikulu cha msika.Njira yokonzekera ndi kafukufuku wamachitidwe aChithunzi cha PTFEkwa ogwirizana inductor kutchinjiriza amaperekedwanso chidwi kwambiri ndi ambiri ogwira ntchito kafukufuku sayansi kunyumba ndi akunja ndi mabizinesi processing.Mu pepala ili, njira yokonzekera filimu ya PTFE yopezedwa kuchokera ku kupanga ndi ntchito yeniyeni imaphunziridwa kudzera muzoyesera.
1. Kukonzekera kwa filimu ya PTFE
1.1 Kusankha kwa utomoni
The polytetrafluoroethylene (ptfe) filimu utomoni ntchito pokonza mogwirizana inductor kutchinjiriza adzakhala inaimitsidwa utomoni ndi yunifolomu maselo kulemera kugawa ndi mkulu crystallinity, zambiri ndi crystallinity pamwamba 98 ndi molecular kulemera 1O ~ 1O.The utomoni tinthu kukula ndi za 30t~m.PTFE yazomwezi zimagwiritsidwa ntchito pokonzekera filimu ya PTFE yotchinjiriza yolumikizirana yokhala ndi zinthu zabwino kwambiri komanso zamagetsi.
- Njira yopanga filimu ya ptfe
(1) Kukonzekera kwa PTFE yaiwisi
PTFE inaimitsidwa utomoni zabwino anaikidwa wowonjezera kutentha pa 20 ℃ ~ 23 ℃ kwa maola 24 kwa pretreatment.
(2) Kupalasa ndi kusefa
PTFE yoyimitsidwa kale utomoni woyimitsidwa udawundidwa ndikusefa ndi rammer kuti utomoniwo usungunuke kuti aumbe.
(3) nkhungu
Adopt ozizira kukanikiza ndondomeko ndondomeko, kuwonjezera 10000gPTFE inaimitsidwa utomoni zabwino zakuthupi mu nkhungu, akanikizire opanda kanthu ndi 20MPpa akamaumba kukakamiza kamodzi pa 100 matani basi kuthamanga makina, tcherani khutu kutentha pa kukanikiza, ndipo pewani mng'alu wosasowekapo.
(4) kuimba
Ikani mankhwala mbamuikha mu mkulu kutentha sintering ng'anjo, kwa 50.C/h mlingo wa kutentha kukwera kwa 330 ℃, kutchinjiriza kwa 3h, ndiye pa 30 ℃ / h mlingo kutentha kukwera kwa 380 ℃, kutchinjiriza 1O ~ 14h, ndiyeno pa Kutentha kwa 30 ~ 40 ℃ / h kutsika mpaka 320 ℃, kutchinjiriza kwa 3 ~ 4h, pomaliza pa 50 ℃ / h kutentha kumatsika mpaka 150 ℃, kuzimitsa kuziziritsa kwachilengedwe kwamagetsi mpaka kutentha, chotsani mankhwalawo.
(5) kudula mozungulira mufilimu
Ma preforms opangidwa ndi sintered amasandulika kukhala ma preforms owonda kwambiri ndi lathe yapadera.Nembanemba wopanda kanthu ndi 0.2mm×255mm×300m(kukhuthala × m'lifupi × kutalika).
(6) kutsata kalendala
Pambuyo podula mozungulira, cholozera chopanda kanthu chimasinthidwa ndi kalendala yolowera (onani chithunzi 2), ndipo digirii yolunjika ndi 1.8 ~ 2.0.makulidwe ndi 0.1mm malangizo filimu, otentha mpukutu kulamulira kutentha mu 15O ℃ ~ 180 ℃.
(7) kudula
Tiyeni kupanga makulidwe 0.1mm malangizo filimu ndi wapadera kudula makina processing mu 0.Ptfe filimu kutchinjiriza wa awiri inductor 1mm × 35mmx 450 ~ 500m(makundi × m'lifupi × kutalika).
(8) kuyendera ma CD
Polytetrafluoroethylene (ptfe) filimu kwa kutchinjiriza wa kukonzedwa ct adzakhala sampuli kuti kuyendera ntchito mkati, ndi maonekedwe ndi kukula anayendera filimu kudzachitika pa nthawi yomweyo.Chikwama cha filimu ya PVC chidzagwiritsidwa ntchito kunyamula zinthu zomwe zimayendera, ndipo satifiketi yoyendera idzaphatikizidwa.
2.2 index performance index of PTFE film
Pakuyesa uku, mafilimu a PTFE okhala ndi madigiri osiyanasiyana (madigiri owongolera azinthu, omwe mtengo wake ndi chiŵerengero cha kutalika kwa zitsanzo za filimu isanayambe kapena itatha kutentha) amafananizidwa ndi ma index omwe ali ndi mphamvu zowonongeka, elongation panthawi yopuma, dc breakdown voltage intensity and zina katundu.
Nthawi yotumiza: Aug-07-2019