Mastering Soldering le Desoldering Header Pins ho PCBs

Ho kopanya di-header pins ho diboto tsa potoloho tse hatisitsoeng ( di-PCB ) ke bokgoni ba motheo bakeng sa barati ba di-elektroniki, batho ba ratang ho itlosa bodutu, le ditsebi lefapheng la kopano ya PCB. Ts'ebetso ena e kenyelletsa ho theha dikgokelo tse matla le tse tshepahalang tsa motlakase pakeng tsa di-header pins le PCB, ho netefatsa tshebetso le tshebetso e ntle ka ho fetisisa. Leha ho le jwalo, ho tseba bokgoni bona ho hloka ho fetang feela bokgoni ba botekgeniki. Taolo ya tshebetso le mekgwa e tsamaiswang ke data di bapala karolo ya bohlokwa ho fihlelleng boleng bo tsitsitseng ba ho kopanya le ho fokotsa diphoso. Posong ena ya blog, re tla fana ka tataiso ya mohato ka mohato ya ho kopanya le ho tlosa di-header pins ho di-PCB, hammoho le mekgwa e metle, malebela a ho rarolla mathata, le temohisiso mabapi le bohlokwa ba taolo ya tshebetso.

Li-head pins ke eng

Lithapo tsa hlooho ke likhokahanyo tse nyane tsa tšepe tse sebelisetsoang ho theha likhokahano tsa motlakase lipakeng tsa boto ea potoloho e hatisitsoeng (PCB) le likarolo tse ling tsa elektroniki. Li na le 'mele oa cylindrical o nang le phini e telele, e tšesaane ea tšepe e tlohang pheletsong e' ngoe. Sepheo sa li-header pins ke ho fana ka sebaka sa khokahanyo se tšepahalang le se sireletsehileng bakeng sa likarolo tse fapaneng tse kang li-sensor, li-actuator, lipontšo le li-module tsa puisano.

Ho na le mefuta e fapaneng ea li-header pins tse sebelisoang hangata ho li-PCB. Mehlala e meng e kenyelletsa:

• Lithakhisa tsa lihlooho tsa mola o le mong: Tsena li na le mola o le mong oa lithakhisa tse tsamaellanang ka ho bapa.
• Lithakhisa tsa lihlooho tse peli: Tsena li na le mela e 'meli ea lithakhisa tse tsamaellanang ka ho bapa.
• Lithakhisa tsa hlooho tse ka letsohong le letona: Tsena li na le pinana e lehlakoreng le letona ho ea 'meleng, e lumellang likhokahano tse lumellanang le bokaholimo ba PCB.

Bohlokoa ba li-header pin soldering

Ho soasoa ka nepo ha li-head pin ho bohlokoa bakeng sa ho netefatsa likhokahano tse tšepahalang tsa motlakase ho li-PCB. Ha e rekisoa ka nepo, solder e entsoeng ka ho qhibilihisoa e theha maqhama a matla pakeng tsa phini le pente ea koporo ho PCB. Tlamo ena ha e fane feela ka tsela ea motlakase empa e boetse e matlafatsa botsitso ba mechine.

Ntle le likhokahano tse tšepahalang, lithakhisa tsa hlooho tse rekisoang hantle li nolofalletsa ho tlosoa ha karolo le ho e nkela sebaka. Maemong ao likarolo li hlokang ho nkeloa sebaka kapa ho ntlafatsoa, ​​ho ba le lithakhisa tsa hlooho tse rekisoang hantle ho lumella ho senya hantle ntle le ho senya PCB kapa likarolo tse potolohileng.

Ka ho utloisisa mefuta e fapaneng ea li-head pin le ho hlokomela bohlokoa ba tsona ho theheng likhokahano tse tšepahalang, o ka etsa bonnete ba hore ho rekisoa ka katleho le ho ntlafatsa ts'ebetso le bophelo bo bolelele ba likopano tsa hau tsa PCB.

Mohato ka Mohato Tataiso ea ho Soldering Header Pins ho PCBs

Ho lokisa PCB le Header Pins

1. Cleaning: Etsa bonnete ba hore PCB le lithakhisa tsa hlooho li hloekile ho etsa bonnete ba hore li khomarela hantle. Sebelisa joala ba isopropyl kapa sehloekisi se khethehileng sa elektroniki.
2. lolamisiwa: Lokisetsa lithakhisa tsa hlooho ka nepo ho PCB pele li soasoa ho qoba ho se lumellane le litaba tsa khokahano.

Ho sebelisa Solder ho Lithako tsa Hlooho

1. Ho Khetha Lisebelisoa: Khetha tšepe ea solder e nang le matla a loketseng, boholo ba ntlha, le matla a ho laola mocheso.
2. Ho khetha Solder: Sebelisa solder ea boleng bo holimo e tsamaellanang le lintlha tsa projeke ea hau.
3. Technique ea Soldering: Chesa pin le pad ka nako e le 'ngoe, ebe u sebelisa solder e nyenyane e qhibilihisitsoeng ho theha maqhama a matla.

Desoldering Header Pins: Mekhoa le Tharollo ea Mathata

1. Ho Khetholla Lithakhisa tse Senyehileng: Batla lithakhisa tse kobehileng, tse sa lumellaneng hantle, kapa tse robehileng 'me u rarolle litaba tsena ka nepo.
2. Lisebelisoa tsa Desoldering: Sebelisa pompo e senyang kapa khoele ho tlosa solder e feteletseng.
3. Ho batle phoso: Eketsa solder e ncha ho reflow manonyeletso a manganga le ho netefatsa hore lisebelisoa tse futhumatsang hantle ho qoba tšenyo ea PCB.

Desoldering Header Pins: Mekhoa le Tharollo ea Mathata

Ha o sebetsa le li-PCB, lithakhisa tsa hlooho tse senyehileng, joalo ka lithakhisa tse kobehileng, tse sa lumellaneng hantle, kapa tse robehileng, ke litaba tse tloaelehileng. Lithakhisa tse kobehileng kapa tse sa lumellaneng hantle li ka otlolloa ka bonolo ka lisebelisoa tse nang le ntlha e ntle, ha solder buildup e feteletseng e ka tlosoa ka pompo e senyang kapa khoele. Lithako tse robehileng li ka 'na tsa hloka ho nkeloa sebaka ka ho feletseng. Ho etsa desoldering ka katleho ho hloka lisebelisoa tse nepahetseng joalo ka pompo e senyang, e etsang hore e monye ho tlosa solder e qhibilihisitsoeng, kapa khoele e qhibilihang, e monyang solder e qhibilihisitsoeng ka ketso ea capillary ha e futhumala.

Desoldering e ka hlahisa mathata a hlokang ho rarolla mathata. Manonyeletso a manganga a ka 'na a hloka ho phalla hape ka solder e ncha ho senya oxidation kapa tšilafalo. Ho thibela tšenyo ea PCB, qoba matla a feteletseng ka lisebelisoa le ho netefatsa hore lisebelisoa li futhumalitsoe hantle. Mocheso o sa lekaneng o ka lebisa ho tlosoa ha solder e sa fellang kapa ho pepeseha nako e telele, ho ka senya PCB. Ho sebetsana le lithapo tse senyehileng le ho rarolla mathata ka katleho ho netefatsa ho tlosoa ha phini ea hlooho e sireletsehileng ntle le tšenyo e eketsehileng.

Ka ho hloaea le ho sebetsana le lithakhisa tsa hlooho tse senyehileng le ho sebelisa mekhoa e nepahetseng ea ho senya, u ka tlosa li-header pins ka mokhoa o sireletsehileng le ka katleho ho li-PCB. Ho utloisisa lintlha tse fapaneng tsa desoldering, ho kenyelletsa lisebelisoa le mekhoa e nepahetseng, ho bohlokoa bakeng sa ho boloka botšepehi le ts'ebetso ea PCB. Mokhoa ona o fokotsa kotsi ea ho senya PCB mme o netefatsa katleho ea mesebetsi e latelang ea soldering kapa e ncha.

Taolo ea Ts'ebetso le Mekhoa e tsamaisoang ke data ho Soldering

Bohlokoa ba Taolo ea Ts'ebetso ho Soldering

Taolo e nepahetseng ea ts'ebetso e bohlokoa bakeng sa ho fihlela boleng bo tsitsitseng ba ho rekisa le ho fokotsa bofokoli kopanong ea PCB. Ka ho theha mekhoa e tloaelehileng-e kang ho sebelisa lisebelisoa tse lekantsoeng, ho boloka maemo a nepahetseng a mocheso, le ho khomarela nako e nepahetseng ea nako - u ka etsa bonnete ba hore liphello tse tšoanang li kopane ka mahlakoreng a mangata a solder. Ho lumellana hona ho matlafatsa ts'epehi ea sehlahisoa mme ho fokotsa tlhoko ea ho sebetsa bocha kapa ho lokisoa. Ho beha leihlo lintlha tsa bohlokoa joalo ka mocheso, phallo ea phallo le phallo ea solder ho thusa ho tseba mathata a ka bang teng pele ho nako, ho thusa ho lokisa lintho kapele le ho fokotsa likoli joalo ka manonyeletso a batang kapa borokho bo feteletseng ba solder.

Ho Sebelisa Mekhoa e Tšebelisoang ke Boitsebiso

Ho kenya ts'ebetsong mekhoa e tsamaisoang ke data ho soldering ho fana ka lintlha tsa bohlokoa ka ho hlahloba le ho hlahloba lintlha tse nepahetseng tsa lintlha tse kang litlaleho tsa mocheso le linako tsa ho lula. Ho bokella le ho sekaseka lintlha tsena ho thusa ho tseba mekhoa kapa lipaterone tse ka bonts'ang libaka tse lokelang ho ntlafatsoa. Mohlala, litekanyetso tse phahameng tse sa fetoheng tsa bofokoli likarolong tse itseng li ka fana ka maikutlo a tlhoko ea litokiso kapa koetliso ea opareitara. Ka ho utloisisa lisosa tsa bofokoli ka tlhahlobo ea lipalo-palo kapa lithuto tsa khokahano, lintlafatso tse lebisitsoeng li ka kengoa ts'ebetsong, joalo ka ho lokisa boemo ba mocheso, ho fetola mekhoa ea ts'ebeliso ea flux, kapa ho ntlafatsa litlhophiso tsa lisebelisoa. Ho amohela mekhoa ena ho matlafatsa netefatso ea boleng le ntlafatso e tsoelang pele lits'ebetsong tsa soldering.

Ka ho kenyelletsa taolo ea ts'ebetso le mekhoa e tsamaisoang ke data, o ka fihlela manonyeletso a boleng bo holimo, oa fokotsa mefokolo, 'me u tsoela pele ho ntlafatsa lits'ebetso tsa hau tsa kopano ea PCB. Mekhoa ena e netefatsa liphello tse ka tšeptjoang le tse tsitsitseng tsa soldering, qetellong e lebisang likopanong tsa elektronike tse matla le tse ka tšeptjoang.

fihlela qeto e

Ho tseba tsebo ea ho kopanya li -header pins le ho li tlosa ho li kopanya ho bohlokoa bakeng sa ho atleha ho kopanya PCB . Ka ho latela tataiso e qaqileng posong ena ea blog, u ka netefatsa likhokahano tse tšepahalang le ts'ebetso e ntle ea likarolo tsa hau tsa elektroniki. Ho khomarela mekhoa e metle - joalo ka ho lokisetsa hantle, ho khetha lisebelisoa tse nepahetseng, le ho sebelisa solder ka nepo - ho lebisa likhokahanong tse matla tse nolofalletsang ho tlosoa le ho nkeloa sebaka ha likarolo habonolo.

Ho feta moo, ho kenya ts'ebetsong taolo ea ts'ebetso le mekhoa e tsamaisoang ke data ke senotlolo sa ho fihlela boleng bo tsitsitseng ba ho rekisa le ho fokotsa liphoso. Ka ho kenyelletsa mekhoa ena, o ka ntlafatsa ts'epahalo ea likopano tsa hau tsa PCB le ho nts'etsapele boitseanape ba ho solder.

Lipotso ka Litsela tsa Soldering le Desoldering

1. Ke mekhoa efe e molemo ka ho fetisisa ea ho etsa bonnete ba hore ho na le li-solder tse matla ha li-header pins?

Ho etsa bonnete ba hore manonyeletso a matla a solder, sebelisa PCB e hloekileng le lihlooho tsa hlooho, ho boloka ho lumellana hantle, ho sebelisa mocheso ho bobeli ba pin le pad ka nako e le 'ngoe,' me u sebelise solder ea boleng bo phahameng. Etsa bonnete ba hore tšepe ea hau ea solder e mocheso o nepahetseng 'me u sebelise flux ho ntlafatsa phallo ea solder le ho khomarela.

2. U ka thibela tšenyo ea PCB joang nakong ea ts'ebetso ea desoldering?

Ho thibela tšenyo ea PCB, qoba matla a feteletseng ha u sebelisa lisebelisoa tse kang pliers kapa li-tweezers. Netefatsa hore thepa ea hau ea ho hlapolla e futhumetse hantle ho qoba ho pepesehela nako e telele, e ka senyang PCB. Sebelisa pompo ea desoldering kapa khoele ho tlosa solder e feteletseng ka bonolo.

3. Ke matšoao afe a ka sehloohong a motsoako o motle oa solder?

Motsoako o motle oa solder o bonahala o le boreleli, o benya, 'me o etsa sebopeho sa khoho ho pota-potile phini le pad. E lokela ho ba le maqhama a matla a mochine ntle le likheo, mapetsong, kapa li-blobs tse feteletseng tsa solder. Ho kolobisa ka nepo ha pin le pad ho bohlokoa bakeng sa khokahano e tšepahalang.

4. U sebetsana joang le manonyeletso a manganga ao ho leng thata ho a senya?

Bakeng sa manonyeletso a manganga, ho eketsa solder e ncha ho khutlisetsa motsoako ho ka thusa ho senya oxidation kapa tšilafalo. Sebelisa pompo e senyang kapa khoele ho tlosa solder hang ha e khutlisetsoa hape. Etsa bonnete ba hore lisebelisoa tsa hau li futhumetse ka ho lekaneng ho thusa ho tlosa solder.

5. Ke hobane'ng ha taolo ea ts'ebetso e le ea bohlokoa ho soldering le desoldering, hona e ka kenngoa ts'ebetsong joang?

Taolo ea ts'ebetso e netefatsa boleng bo ts'oanang ka ho boloka liparamente tse tšoanang tsa soldering joalo ka mocheso, nako le ts'ebeliso ea flux. Ho kenya ts'ebetsong mekhoa e tloaelehileng, ho lekola lintlha tsa bohlokoa, le ho sebelisa mekhoa e tsamaisoang ke data ho sekaseka ts'ebetso ho ka fokotsa mefokolo le ho ntlafatsa ts'epo. Tekanyetso ea kamehla ea lisebelisoa le koetliso le tsona ke likarolo tsa bohlokoa tsa taolo e sebetsang ea ts'ebetso.