I-PTFE ulwelwesi lungasetshenziswa phakathi kwe-transformer evunguzayo yethusi ucwecwe, ukwahlukanisa kanye anamathelayo, ngokusebenzisa ifilimu ukuze kuthuthukiswe isigaba ukwahlukanisa transformer, ukunciphisa igebe phakathi izingqimba transformer futhi kungaba ngcono amandla mechanical of transformer, ngaphezu kwalokho, PTFE ulwelwesi can isetshenziselwe i-transformer yohlobo olomile, i-capacitor, insimbi kagesi, njenge-gasket phakathi kwezingqimba ze-insulation kanye ne-electromagnetic resistant, ukufakwa komugqa, ukushisa kocingo, kunethemba elibanzi kakhulu lemakethe.
Ama-Transformer avame ukusetshenziselwa ukunikeza amasignali amanje kanye ne-voltage esilinganisweni samandla kagesi, ukulinganisa, ukulawula, ukuvikelwa kwe-relay, njll. Ukunemba nokuthembeka kwawo kuhlobene eduze nokuphepha, ukuzinza nokusebenza kwezomnotho kohlelo lwamandla, futhi kungenye yezinto ezibalulekile. imishini enamandla kagesi ohlelweni lwamandla.Ngokuthuthuka kwemboni yamandla, amandla okudluliswa kwesistimu yamandla ayakhula, futhi nezinga le-voltage yokusebenza yenethiwekhi yamandla liya ngokuya likhuphuka.Ngokuthuthukiswa okuqhubekayo kwezinga le-voltage, i-transformer ibhekene nenkinga yokuthi isakhiwo sokufakelwa sinzima ukuhlangabezana nezidingo zokusebenza ekukhiqizeni.
Njengoba kwaziwa yibo bonke, i-polytetrafluoroethylene (PTFE) ngenxa yokusebenza kwayo okuhle kakhulu (i-class c insulation), ukumelana nokugqwala kwamakhemikhali, ukumelana nesimo sezulu, izakhiwo zemishini kanye nokuzinza kokushisa kokusebenza okungavamile, ukumelana nokushisa kwe-ultra wide (sebenzisa isikhathi eside izinga lokushisa lokusebenza 150 ℃ ~ + 260 ℃), njll., emkhakheni wezinto zikagesi, ucingo nekhebula, ukwahlukanisa sekuye kwasetshenziswa kabanzi.I-membrane ye-PTFEingasetshenziswa phakathi kwe-transformer evala ucwecwe lwethusi, ukwahlukanisa kanye nokunamathela, ngokusebenzisa ifilimu ukuze kuthuthukiswe isigaba sokufakelwa kwe-transformer, ukunciphisa igebe phakathi kwezingqimba ze-transformer futhi kungathuthukisa amandla omshini we-transformer, ngaphezu kwalokho, ulwelwesi lwe-PTFE lungasetshenziswa. i-transformer yohlobo olomile, i-capacitor, insimbi kagesi, efana ne-gasket phakathi kwezingqimba zokufakwa kwe-insulation kanye ne-electromagnetic resistant heat, ukufakwa komugqa, ukushisa kocingo, kunethemba elibanzi kakhulu lemakethe.Indlela yokulungiselela kanye nocwaningo lokusebenza lweIfilimu ye-PTFEI-mutual inductor insulation inakwa kakhulu ngabasebenzi abaningi bocwaningo lwesayensi basekhaya nabangaphandle kanye namabhizinisi okucubungula.Kuleli phepha, indlela yokulungiselela ifilimu ye-PTFE etholwe ekukhiqizweni nasekusebenzeni kwangempela ifundwa ngokuhlolwa.
1. Ukulungiswa kwefilimu ye-PTFE
1.1 Ukukhethwa kwe-resin
I-polytetrafluoroethylene (ptfe) ifilimu ye-resin esetshenziselwa ukucubungula ukwahlukanisa kwe-inductor izomiswa i-resin enesisindo esifanayo samangqamuzana nokucwebezela okuphezulu, ngokuvamile enobukristalu obungaphezulu kuka-98 kanye nesisindo se-molecular ku-1O ~ 1O.Usayizi wezinhlayiyana ze-resin cishe u-30t~m.I-PTFE yalokhu kucaciswa isetshenziselwa ukulungisa ifilimu ye-PTFE yokufakwa ngaphakathi kwe-inductor ehambisanayo enezakhiwo ezinhle kakhulu ezibonakalayo kanye nezakhiwo ezinhle kakhulu zikagesi.
- Inqubo yokukhiqiza yefilimu ye-ptfe
(1) ukuphathwa kusengaphambili kwe-PTFE impahla eluhlaza
I-PTFE imisiwe i-resin emihle yafakwa endaweni yokushisa engaguquki engu-20℃ ~ 23℃ amahora angu-24 ukuze kulungiswe kusengaphambili.
(2) ukugoba nokusefa
I-PTFE eselashwe ngaphambilini i-resin emisiwe yagxotshwa futhi yahlungwa i-rammer ukwenza inhlaka ikhululeke ukuze ibunjwe.
(3) isikhunta
Yamukela indlela yenqubo yokucindezela okubandayo, engeza i-10000gPTFE inhlaka yento emisiwe emisiwe esibunjeni, cindezela okungenalutho nge-20MPpa ebumba ingcindezi eyodwa emshinini wokucindezela ozenzakalelayo wamathani ayi-100, qaphela ukuphuma ngesikhathi sokucindezela, futhi ugweme ukuqhekeka kokungenalutho.
(4) ukucula
Beka imikhiqizo ecindezelwe esithandweni sokushisa esishisayo, kuya ku-50.C/h izinga lokushisa likhuphukela ku-330 ℃, ukwahlukanisa amahora angu-3, bese kuba ngu-30 ℃ / h izinga lokushisa likhuphukela ku-380 ℃, ukufakwa kwe-1O ~ 14h, bese kuthi 30 ~ 40 ℃ / h izinga lokushisa lehla liye ku-320 ℃, ukwahlukanisa okungu-3 ~ 4h, ekugcineni ku-50 ℃ / h izinga lokushisa lehla liye ku-150 ℃, cisha ukupholisa kukagesi kwemvelo ekamelweni lokushisa, khipha umkhiqizo.
(5) ukusika okujikelezayo kube yifilimu
Ama-preforms ahlanganisiwe aguqulwa abe ama-preforms amafilimu amancane nge-lathe ekhethekile.Ulwelwesi olungenalutho luyi-0.2mm×255mm×300m(ubukhulu × ububanzi × ubude).
(6) ukuqondisa ngekhalenda
Ngemva kokusikwa ngokuzungezayo, okungenalutho okuqondisayo kucutshungulwa yi-hot roll directional calender (bheka umfanekiso 2), futhi idigri yokuqondisa ingu-1.8 ~ 2.0.Ugqinsi yifilimu eqondisayo engu-0.1mm, ukulawulwa kwezinga lokushisa kwe-hot roll ku-15O℃ ~ 180℃.
(7) ukusika
Masenze ukujiya kwefilimu eqondisayo engu-0.1mm ngomshini wokusika okhethekile wokucubungula kufilimu engu-0.Ptfe ukuze kufakwe i-inductor ehlangene 1mm×35mmx 450 ~ 500m(ubukhulu × ububanzi × ubude).
(8) ukuhlolwa kokupakishwa
Ifilimu ye-Polytetrafluoroethylene (ptfe) yokufakwa kwe-ct ecutshunguliwe izothathwa isampula ukuze ihlolwe ukusebenza kwangaphakathi, futhi ukubukeka nokuhlolwa kosayizi wefilimu kuzokwenziwa ngesikhathi esifanayo.Isikhwama sefilimu se-PVC sizosetshenziselwa ukupakisha imikhiqizo ephumelela ekuhlolweni, futhi isitifiketi sokuhlola sizonamathiselwa.
2.2 inkomba yokusebenza yefilimu ye-PTFE
Kulesi sivivinyo, amafilimu e-PTFE anamadigri e-orientation ahlukene (i-orientation degree of material, inani lawo eliyisilinganiso sobude bamasampula efilimu ngaphambi nangemuva kokushisisa) aqhathaniswa nezinkomba ezijwayelekile zamandla aqinile, ubude ngesikhathi sekhefu, amandla kagesi wokuwohloka kwe-dc kanye ezinye izakhiwo.
Isikhathi sokuthumela: Aug-07-2019