Iyo Yekupedzisira Nhungamiro Yekusarudza Yakanyanya Solder Yemabhodhi Edunhu

Munyika yakaoma yemagetsi, solder inomira senzira yakakosha, ichigadzira iyo musana wemapurojekiti asingaverengeki nemidziyo. Pakati pekuita uku pane chinhu chinoita sechiri nyore asi chakakosha zvakakosha: solder. Iri risingashamisiri resimbi alloy rinoshanda sesimba rinosunga rinobatanidza zvinhu zvakasiyana-siyana muzvikamu zvakabatana, zvinoshanda, zvichiita kuti kuyerera kwemagetsi uye kugadzira nzira yekuvandudza.

Kubva pane zvakanyanya kukosha zveDIY kuedza kusvika kune yakaoma kwazvo maindasitiri maapplication, sarudzo yekutengesa inogona kugadzira kana kuputsa budiriro yeprojekiti. Nemakumi ezviuru zvesarudzo zviripo, imwe neimwe yakarongedzerwa kune chaiyo zvinodiwa uye mashandisirwo, kufamba munzvimbo yevatengesi kunogona kuve basa rinotyisa kune kunyangwe nyanzvi dzine ruzivo.

Mugwaro rino rakazara, isu tichaongorora mune nuances dzevatengesi vematunhu mabhodhi, tichiongorora maumbirwo avo, zvivakwa, uye mashandisiro. Nekukupa ruzivo urwu, isu tinovavarira kukupa simba rekuita sarudzo dzine ruzivo, zvichikugonesa iwe kuti usarudze yakanakisa solder yemapurojekiti ako akasiyana uye kuve nechokwadi chekubatana, kunogara kwenguva refu kunomira muyedzo wenguva.

Kunzwisisa Solder kune Circuit Boards

Usati wanyura mumhando dzakasiyana dzemasoja, zvakakosha kuti ubate basa rinokosha rinoitwa nemasoja mumagungano ebhodhi redunhu. Solder, alloy yesimbi ine nzvimbo yakadzikira yekunyungudika, inoshandiswa kugadzira yakasimba, inoitisa zvisungo pakati pezvinhu zvemagetsi nematehwe emhangura kana mapadhi paPCB.

Iyo solder process inosanganisira kunyungudutsa solder alloy uye kuishandisa kuti igadzire yakachengeteka, yemagetsi kubatana pakati pechikamu chinotungamira kana mapini nePCB. Kana yatonhodzwa uye yasimbiswa, solder haingogadziri nzira yakavimbika yemagetsi asiwo nemagetsi inochengetedza zvikamu panzvimbo, zvichiita kuti kugadzikana kwenguva refu uye kusimba.

Solder inowanikwa mumhando dzakasiyana siyana, imwe neimwe yakarongedzwa kune chaiyo mashandisirwo uye matekiniki ekutengesa:

1. Solder Wire: Waya yakatetepa inoumbwa nearoyi inotengeswa, inowanzo shandiswa nesimbi inotengeswa pakugadzira manyorero ezvikamu paPCBs.
2. Solder Paste: Musanganiswa wediki solder particles uye flux, inoshandiswa mupamusoro Mount tekinoroji (SMT). Solder paste inoshandiswa kubhodhi uchishandisa stencil kana dispenser, uye zvikamu zvinoiswa uye zvinopisa muhovheni yekutsvaira kuti ugadzire hukama hunodiwa.
3. Solder Bars: Yakagadzirirwa kushandiswa mumashini ekutengesa mafungu, mbariro dzekutengesa dzinonyungudutswa muhari inotengeswa, ichigadzira "wave" ye solder yakanyungudutswa inoyerera nepasi pePCB, ichitenderedza nepakati-gomba zvikamu panzvimbo.

Sarudzo yefomu solder inorairwa neiyo solder nzira, chikamu chechikamu, uye inodiwa nhanho ye automation, pakati pezvimwe zvinhu.

Mhando dzeSolders for Circuit Boards

Kana zvasvika pakusarudza yakanakisa solder yedunhu bhodhi purojekiti yako, sarudzo dzinogona kuita sedzinorema. Nekudaro, nekunzwisisa akakosha maitiro uye mashandisiro emhando yega yega, unogona kuita sarudzo ine ruzivo inova nechokwadi chekuita kwakanyanya, kuvimbika, uye kutevedzera indasitiri zviyero.

Lead-Based Solders (SnPb)

Kamwe iyo indasitiri yakajairwa, lead-based vatengesi, senge tin-lead (SnPb) alloy, vagara vachifarirwa nekuvimbika kwavo, nzvimbo yakaderera yekunyungudika, uye mutengo-kushanda. Iyo inonyanya kuumbwa ndeye 63% tin uye 37% lead (63/37), iyo inonyunguduka pane yakaderera tembiricha inosvika 183 ° C (361 ° F), zvichiita kuti zvive nyore kushanda nayo.

Nekudaro, nekuda kwekukura kwekunetsekana kwezvakatipoteredza uye mirau, kushandiswa kwemasoja ane lead kwadzikira zvakanyanya nekuda kwedzimwe nzira dzine hushamwari.

Kutungamira-Vakasununguka Masoja

Kugadzirisa kukanganiswa kwezvakatipoteredza kwemasoja anotungamira, dzimwe nzira dzisina lead dzakagamuchirwa zvakanyanya mumakore achangopfuura. Aya masoja akagadzirirwa kubvisa kushandiswa kwemutobvu, kuderedza mukana wekuratidzwa kunokuvadza uye kukurudzira kusimba.

Kazhinji lead-isina solder alloys anosanganisira:

1. Tin-Silver-Copper (SnAgCu kana SAC): Imwe yedzakanyanya kufarirwa-isina sarudzo, maSAC solders anowanzo aine 96.5% tin, 3% sirivheri, uye 0.5% mhangura. Vatengesi ava vanopa yakanakisa yekunyorova zvivakwa uye simba remuchina asi vane nzvimbo yakakwira yekunyungudika pane avo vanotungamira-based, kazhinji kutenderera 217°C (423°F).
2. Tin-Mhangura (SnCu): SnCu vatengesi, senge yakakurumbira Sn0.7Cu alloy, ine ingangoita 99.3% tin uye 0.7% mhangura. Kunyange zvichidhura kupfuura vatengesi veSAC, vanogona kunge vaine zvishoma yakaderera wetting uye michina zvivakwa.
3. Tin-Bismuth (SnBi): Vatengesi veSnBi, seSn58Bi alloy, vanosanganisa tini nebismuth, vachipa nzvimbo yakaderera yekunyungudika pane dzimwe sarudzo dzisina lead. Nekudaro, zvinogona kunge zvichidhura uye kuratidza hurombo hunyoro hwekunyorova.

Nepo vatengesi vasina-lead kazhinji vaine mapoinzi epamusoro ekunyunguduka uye vangangoda kugadziridzwa kune solder process, ivo vanopa yakawedzera hushamwari uye yakagadzikana mhinduro yemagetsi emazuva ano.

Solder Mafomu uye Zvikumbiro Zvavo

Pamusoro peiyo solder kuumbwa, fomu iyo solder inounzwa ine basa rakakosha pakuona kukodzera kwayo kune akasiyana maapplication uye matekiniki ekutengesa.

Solder Wire

Solder waya, inochinja-chinja uye mushandisi-inoshamwaridzika sarudzo, yakanakira manyorero ekutengesa mabasa, kunyanya kune kuburikidza-gomba chechikamu soldering uye kubata-kumusoro basa pamusoro pepamusoro-gomo zvinhu. Inowanzo shandiswa nesimbi inotengeswa, solder wire inopa yakanakisa kudzora uye nemazvo, zvichiita kuti ive inofarirwa pakati pevanofarira uye nyanzvi zvakafanana.

Solder Nyora

Inonyanya kushandiswa mu tekinoroji yekugadzika pamusoro ( SMT ), solder paste musanganiswa wezvidimbu zvidiki zve solder uye flux, yakagadzirirwa kuiswa kwakanyatsojeka kwezvikamu uye kudzoreredza fluid. Inoshandiswa uchishandisa stencil kana dispenser, solder paste inobvumira kuiswa kwakarurama kwe solder pama PCB pads, zvichiita kuti pave nekubatana kwakavimbika mushure mekuita kwedzoreredza fluid muovheni yakasarudzika.

Solder Bar

Yakagadzirwa kuti ishandiswe mumashini ekutengesa mavheji, mazariro anonyungudutswa muhari inotengeswa, achigadzira "wave" ye solder yakanyungudutswa inoyerera nepasi pePCB. Iyi tekinoroji inonyanya kushandiswa kushambadzira kuburikidza-gomba zvikamu munzvimbo dzepamusoro-vhoriyamu yekugadzira, ichipa inoshanda uye otomatiki solder mhinduro.

Vepamusoro 8 Vakanakisa Masoja eMabhodhi eDunhu

Nemakumi ezviuru esarudzo dzekutengesa dziripo pamusika, kusarudza yakanakisa solder yepurojekiti yebhodhi redunhu kunogona kuve basa rakaoma. Kuti tikubatsire mukuita sarudzo yako, takanyora runyoro rwevasere vepamusoro vatengesi vemabhodhi edunhu, rimwe nerimwe richipa zvakasarudzika uye kugovera kune chaiwo maapplication.

• Kester 44 Rosin Core Solder Kester 44 Rosin Core Solder inotungamira munyika yekutengesa, inozivikanwa nekuita kwayo kwakasiyana uye kuvimbika. Iine 63/37 tin-lead kuumbwa, solder iyi inozvirumbidza yakaderera kunyungudika uye inoumba yakasimba, yakasimba zvisungo, zvichiita kuti ive yakakodzera kune dzakasiyana siyana dzekushandisa, kubva kune hobbyist mapurojekiti kuenda kune nyanzvi kuedza.
• Alpha Fry AT-31604 Alpha Fry AT-31604 inopenya mukusiyana kwayo, ichizvikudza 60/40 tin-to-lead reshiyo inoita kuti ive sarudzo yakanakisa yebasa remagetsi. Iyi solder's rosin core inobvisa kudiwa kwekuwedzera flux, kugadzirisa maitiro ekutengesa uye kuve nechokwadi chekubatana, chemhando yepamusoro.
• MG Makemikari 63/37 Hapana Yakachena Solder Iyo MG Makemikari 63/37 Hapana Yakachena Solder kurota kunoitika kune avo vari kutsvaga yakatsvinda uye inoshanda yekushambadzira chiitiko. Kuumbwa kwayo kusina-kuchena kunobvisa kudiwa kwekuchenesa zvakasara, kuchengetedza nguva uye kushanda nesimba. Pasinei nekureruka uku, inopa chisungo chakasimba uye kushandiswa kwakasiyana-siyana pane dzakasiyana siyana dzekushandisa.
• WYCTIN 60/40 Solder Wire WYCTIN 60/40 Solder Wire inorova chiyero pakati pekugona uye kuita, zvichiita kuti ive sarudzo yakanaka kune DIY vanofarira uye hobbyists. Iine 60/40 kuumbwa, inozvirumbidza yakaderera kunyungudika uye yakatsetseka yekushambadzira chiitiko, ichiva nechokwadi chemhedzisiro inowirirana.
• SRA Soldering Zvigadzirwa Rosin Core Solder SRA Soldering Zvigadzirwa Rosin Core Solder inomira pachena seyakachengeteka uye eco-hushamwari sarudzo kune avo vane hanya nezvekuratidzwa kwekutungamira. Yayo inotungamira-isina kuumbwa inoita kuti ive sarudzo yakanaka kune inonzwisisika yemagetsi zvikamu, ichiri kupa chisungo chakasimba uye kuita kwakavimbika.
• Cardas Soldering Wire Cards Soldering Wire isarudzo yekutanga kune vanofarira odhiyo uye yakakwirira-yekupedzisira maapplication, ichizvikudza yakakwira-kuchena kuumbwa kunovimbisa kusarudzika kuchinjisa chiratidzo uye kuita. Kana iwe uri kushanda pane zvekuteerera kana mamwe mapurojekiti anodiwa, solder iyi imari yakanaka.
• Harris Gara-Brite Silver Solder Harris Gara-Brite Silver Solder inopa mabhenefiti esirivha solder pasina zvinobatanidzwa zvinokanganisa. Nekunyungudika kwayo kwakaderera, iri nyore zvinoshamisa kushanda nayo, zvichiita kuti ive sarudzo yakanakisa yeakakwira-tembiricha maapplication apo ichiendesa yakasimba, yakavimbika majoini ekutengesa.
• Worthington 60/40 Solder Wire Worthington 60/40 Solder Wire inorova chiyero chakakwana pakati pekukosha nemhando, zvichiita kuti ive sarudzo yakavimbika kune vese DIY vanofarira uye nyanzvi zvakafanana. Yayo rosin musimboti inovimbisa yakatsetseka yekushambadzira chiitiko, nepo hunhu hwayo hwakasiyana-siyana huchiibvumira kubata akawanda mapurojekiti.

Kana chinodiwa ichi chichikanganisa kuwanikwa kana kuburitswa kwezvigadzirwa, chienzanise nekugona kugadzira PCB uye ongororo yePCB usati watumira mafaira ekupedzisira kuti aongororwe.

Kunzwisisa Lead vs. Lead-Free Solder

Imwe yesarudzo dzakanyanya kuoma mukugadzirisa kwekutengesa isarudzo pakati pe lead-based uye lead-isina solder. Nepo sarudzo dzese dziri mbiri dziine zvadzinokodzera uye zvinokanganisa, kunzwisisa misiyano yakakosha inogona kukubatsira iwe kuita sarudzo ine ruzivo inoenderana nezvinodiwa zvepurojekiti yako uye kufunga nezvezvakatipoteredza.

Mune inotevera pfupi tafura, isu tinoenzanisa maviri marudzi e solder pane akasiyana hunhu, achikupa iwe yakajeka yekutarisa kutungamira sarudzo yako:

Nekutarisa zvinhu zvakaita sekunyungudika, kunyorova zvivakwa, simba, mutengo, uye kukanganisa kwezvakatipoteredza, unogona kuyera zvakanakira nezvayakaipira zvemhando yega yega solder uye sarudza sarudzo inonyatsoenderana neyako chaiyo purojekiti zvaunoda uye zvakakosha.

     Mazano Akakosha eKubudirira Kutengesa paMabhodhi Edunhu

Nepo sarudzo ye solder pasina mubvunzo yakakosha, kugona hunyanzvi hwekutengesa pamapuranga edunhu kunoda musanganiswa wehunyanzvi, kutarisisa kune zvakadzama, uye kuomerera kune zvakanakisa maitiro. Heano mamwe matipi akakosha ekuona yakabudirira soldering uye inogara kwenguva refu, yakavimbika yekubatanidza:

1. Sarudza Zvishandiso Zvakakodzera Kuisa mune zvemhando yepamusoro solder maturusi ndiyo hwaro hwekubudirira kwekutengesa chiitiko. Zvishongedze nesimbi yakafanira, chigadziko chokunyudza, chipanji chokuchenesa kumuromo kwesimbi, waya yemhando yepamusoro yesimbi, uye tambo dzematambo dzematambo kana kucheka. Maturusi akakodzera haangoite kuti maitiro acho ashande asi anobatsirawo kuti pave nemhedzisiro iri nani.

2. Chengetedza Nzvimbo Yekushandira Yakachena Nzvimbo yekushandira isina kuzara uye isina kurongeka inogona kukonzera tsaona, kukanganisa, uye kusvibiswa. Chengetedza nzvimbo yako yebasa yakachena, yakavhenekerwa zvakanaka, uye yakarongeka, uchive nechokwadi chekuti zvishandiso zvako, zvikamu, uye mabhodhi edunhu zvinosvikirika nyore uye zvadzivirirwa kubva pakukuvadzwa.

3. Gadzirira Zvimiro Zvako Usati wasodha, gadzirira zvikamu zvako nekupeta zvinotungamira pa90-degree angle kuti ikwane maburi ebhodhi redunhu. Iyi nhanho inobvumira kugadzikana kwakagadzikana paunenge uchishanda pakutengesa mubatanidzwa, kuve wakachengeteka uye wakavimbika chisungo.

4. Iva nechokwadi cheTembiricha Yakafanira Kusarudza tembiricha chaiyo kwakakosha pakusodha inobudirira. Kunyanya kuderera, uye solder inogona kusayerera zvakanaka; yakakwira zvakanyanya, uye unogona kukuvadza zvikamu kana PCB. Vangisa tembiricha iri pakati pe350°C ne375°C (662°F kusvika 707°F) kuti uwane mibairo yakakwana.

5. Chenesa Soldering Iron Tip A clean soldering iron tip inovimbisa kushanda kwakasimba kwekupisa uye zviri nani soldering migumisiro. Gara uchipukuta muromo pane chipanje chakanyorova kuti ubvise oxidation uye yakawandisa solder, kuve nechokwadi chekutsiga uye kunoenderana solder chiitiko.

6. Ongorora Basa Rako Mushure mekutengesa, nyatsoongorora basa rako rehutano uye hunoenderana. Iyo yakanaka solder joint inofanira kuoneka ichipenya, yakatsetseka, uye iine chimiro chakasiyana negomo rinoputika. Kana ukasangana nejoini yakagomara, yakasviba, kana isina kuumbwa zvakanaka, dzokorora uye shandisa solder yakawanda kuti uvandudze kubatana.

Zvinhu Zvokufunga nezvazvo Paunenge Uchisarudza Solder

Nepo sarudzo ye solder ingaite seyakajeka, zvakati wandei zvakakosha zvinofanirwa kutariswa kuti ive nechokwadi chekuita kwakanyanya, kuvimbika, uye kutevedzera indasitiri zviyero. Heano iwo akakosha ekufunga kana uchisarudza solder yeinotevera redunhu bhodhi purojekiti:

Kuumbwa: Alloy Inokosha Kuumbwa kwe alloy ye solder kunoita basa guru mukushanda kwayo. Ma solders akavakirwa pa lead, kunyange zvazvo aizivikanwa kare, ari kubviswa nekuda kwekunetseka nezvezvakatipoteredza, zvichigadzira nzira yezvimwe zvinoshandiswa zvisina lead. Ongorora zvinodiwa neprojekiti yako, mitemo, uye kukanganisa nharaunda kuti uite sarudzo ine ruzivo.

Nzvimbo Yokunyunguduka: Kuenzana Kwakanaka Nzvimbo yekunyunguduka kwemuchina wekugadzira chinhu chakakosha chinokanganisa zvakananga maitiro ekunyunguduka. Nzvimbo dzekunyunguduka dzakawanda dzinogona kukonzera kukuvara kwezvikamu zvemagetsi zvinonzwa, nepo nzvimbo dzekunyunguduka dzisina kusimba dzinogona kukonzera kusasimba kwemajoini ekugadzira. Kuwana chiyero chakakodzera kwakakosha kuti pave nemhedzisiro inobudirira uye kuvimbika kwenguva refu.

Rudzi rweFlux: Kuchenesa Nzira Flux chinhu chakakosha chinogadzirira nzvimbo dzekunamira uye chinoita kuti pave nechisungo chakavimbika. Kune mhando nhatu huru dzeflux: rosin, inonyungudika mumvura, uye isina kuchena. Rudzi rumwe nerumwe rune zvarunobatsira uye zvarusina kunaka, saka sarudza runonyatsoenderana nezvinodiwa neprojekiti yako, zvinodiwa pakuchenesa, uye zvaunofarira iwe pachako.

Dhayamita: Saizi Inokosha Dhayamita yewaya yekusolder kana kuti solder paste particles inogona kukanganisa zvakanyanya maitiro ekusolder uye kunaka kwemajoini ekusolder. Solder yakatetepa yakakodzera zvikamu zvidiki uye zvakapfava, nepo solder yakakora inoshanda zvirinani pakubatanidza kukuru. Sarudza dhayamita yakakodzera zvichienderana nehukuru uye kuoma kweprojekiti yako.

mhedziso

Kusarudza solder yakakodzera yepurojekiti yebhodhi redunhu kunosanganisira kunzwisisa basa rayo rinokosha mukugadzira zvisungo zvakasimba, zvinoitisa pakati pezvikamu nemaPCB. Solder, inowanikwa mumhando dzakasiyana-siyana sewaya, paste, uye bhaa, inoita basa rakakosha mukugadzira nzira dzemagetsi dzakavimbika uye kuchengetedza michina munzvimbo.

Kubva kune vatengesi vanotungamira senge tin-lead alloys kune zvakatipoteredza zvine hushamwari lead-isina dzimwe nzira, mhando yega yega inopa yakasarudzika mabhenefiti uye kufunga. Nekutarisa zvinhu zvakaita sekuumbwa, nzvimbo yekunyungudika, uye fomu, unogona kusarudza solder inonyatsoenderana nezvinodiwa neprojekiti yako, kuve nechokwadi chekuita kwakakwana, kuvimbika, uye kutevedza zviyero zveindasitiri.