Thepa ea sheet ea fre di?

Leqephe la mofuta ofe oa ur Litšobotsi tsa eona ke life?

Tokomane e le 'ngoe ke mofuta o le mong oa leqephe la Epoxy, "Fr" ke ntho e khutsitseng ea "letlapa la ho khutla" le thepa ea flame ke eona e kopanang le sehlopha sa "fr4". Thupelo ea mocheso ke mocheso le mongobo o thibelang, o rohaka le ho phomola le ho etsa lintho tse ntle tsa ho etsa menoana. Ho itlhompha le mongobo le mongobo le lefu la ho nka thepa le thepa ea liketsahalo, li-parathe tse fapaneng le tlhahiso e ngoe.

Leqephe la FR4 ke lefe?

Tokomane ea FR4 ke mofuta oa leqephe la lengolo la lengolo la mohlala (Sheexe Sheet), e leng lisebelisoa tse kopaneng tsa EPPIX "FR" ke khutsufatso ea Senyesemane bakeng sa "Flame ea ho Khutlisa"

Ho na le mebala e mengata ea sheet ea leqephe la FR4, e joaloka tšoeu, e ntšo, e putsoa, ​​e putsoa joalo ka.

Merero ea pampiri ea FR-4 ke efe?

Ke hobane'ng ha u re FR-4 Epoxy Board Boholo ho latela tlhoko ea bareki, 'me e na le thepa e phahameng ea lijo le mefuta ea lijo: Lihlahisoa tsa Boto ea Boto ea Botoro, le Khopolo e Ntle le Mekhoa e Metle.

Fr-4 Boto ea Epoxy e na le lits'ebetso tse fapaneng, ho kenyelletsa le lisebelisoa tsa motlakase bakeng sa likarete tsa ts'ireletso ea "carbon" Frame) mme e ka sebelisoa maemong a bongoana a tikoloho le oli e fetohang.

Litšobotsi tse fapaneng tsa epoxy board:

1.Ke liforomo tsa mefuta-futa. Mefuta e fapa-fapaneng ea Resins, Bahlahisi ba Morusu, Mokhatlo oa Mokhatlo o Khoeselitsoe ho feto-fetoha le litlhoko tsa lits'ebeliso tse fapaneng foromo.

2.Mrong Khoas. EPOXY Retin

3.Mochation. Sistimi ea Phello ea Epoxy e na le thepa e ntle ea tšebetso.

4. Shrunkage. EPOXY Resin le karabelo ea moemeli oa ho folisa o sebelisitsoeng ka kotloloho

Boits'oaro bo botle. Sistimi ea Rengoli ea Epoxy ea Epoxy e na le thepa e ntle e nang le mekhoa e phahameng ea lefu la liketsahalo, ho hanyetsa ho qoba ho senyeha, arc.

Ho 6.Citing box. Ts'ebeliso ea mefuta e fapaneng ea mefuta e fapaneng ea moetsi oa Epolo ea Phello ea Epoloxy e ka phekoloa ka har'a 0-180 ℃.

7. Ho tsitsipana le botsitso. General Aponsion e folisitse sistimi e ntle e na le likhanyetso tse ntle tsa alkali, ho hanyetsa ha atisoa le ho sotla ho hanyetsa. Joalo ka mokhoa oa ho folisa moetsi oa litšobotsi tse ling tsa sekhobo se tšoanang, botsitso ba lik'hemik'hale le bona bo latela hore na retin le ho folisa ba sebelisitsoe. Ts'ebeliso e leka-lekaneng ea EPOXY Resin le baemeli ba Emprax, ba ka etsa hore e be le ts'ebetso e khethehileng ea lik'hemik'hale ea lik'hemik'hale.

8. Khokahano ea botsitso. Motsoako oa litšobotsi tse ngata tse kaholimo tsa sistimi ea Epo ea Epoxy Re na le botsitso le ho tšoarella.

9, e sithabetsang. Tsamaiso ea Epo ea Epoxy e phekotsoeng e loants'oa batho ba bangata haholo ebile e ka sebelisoa maemong a thata a mongobo.

2.Liso ea pampiri ea FR4

Leqephe la FR4 le na le lits'ebeliso tse ngata, haholo ne li sebelisoa haholo ho elektroniki, elektroniki, puisano le masimo a mang. Tse latelang ke li sebelisa ka mokhoa o hlakileng:

1. Mahuoa a potoloho

Ka tlhahiso ea elektroniki, leqephe la free4 hangata le sebelisoa ho etsoa liboto tsa potoloho. E ka sebelisoa e le lisebelisoa tse ka tlase tsa liboto tsa potoloho ho netefatsa botsitso le ho ts'epahala ha liboto tsa potoloho.

2. Boemo ba sebaka sa spacer le ho itšehla thajana

Thupa ea FR4 e na le thepa ea thepa e ntle ea ho lekola le mocheso o phahameng oa mocheso, ka hona e ka sebelisoa e le bongata le maemo a phahameng a tlkhead le a ho itšehla thajana linthong tsa motlakase. Sena ha se hlahise polokeho ea lisebelisoa, empa e boetse e etsa hape likokoanyana tse bakoang ke liphoso tsa motlakase.

3. Likarolo tsa Mechini

Sheet ea FR4 e ka sebelisoa e le ntho e bohlokoa bakeng sa likarolo tsa mochini, tse kang likarolo tsa ho sebetsana le lisebelisoa le likoloi tsa enjine ea koloi. E na le thepa le botsitso ba lik'hemik'hale, 'me li ka sebelisoa mekhoa e fapaneng ea mecha ea mochini.

Qetellong, pampiri ea Fry4, joalo ka thepa ea bohlokoa ea motlakase e nang le matla a motlakase a motlakase, ka lik'hekane, lipuisano, masimo a motlakase le a mang. Bakeng sa lisebelisoa tsa motlakase tsa elektroniki, ho khetha pampiri ea boleng bo holimo ho ka ba thusa ho ntlafatsa tlholisano ea sehlahisoa le 'maraka oa mrea.