Ibyiciro bya Moduli

Gucunga ibikoresho byo gusudira

1. Ni izihe ngero z'ibice n'inyungu z'imikorere ya solder isanzwe idafite lisansi SAC305?

Imiterere: Sn96.5Ag3.0Cu0.5, aho gushonga 217℃. Ibyiza: 30% byongereye ubushobozi bwo kurwanya ogisijeni, byubahiriza amabwiriza ya RoHS ku bidukikije, byizewe cyane mu bushyuhe bwinshi, kandi imbaraga za mekanike zigumana zirenga 85% nyuma yo gusaza kuri 150℃ mu masaha 1000.
2. Ni gute ingingo ya eutectic y'ibyuma bisoda igira ingaruka ku gikorwa cyo gusudira?

Udukoresho two gusora ibintu bidafite amazi (nka Sn63Pb37) nta gace gashobora kubamo amazi asanzwe iyo bishongeshejwe, gafite idirishya rito rikoresha ubushyuhe bwo gusudira, bisaba ko ubushyuhe bwo gusora bushobora kuba buri hejuru ya 50-70℃ ugereranyije n’aho bishongeshejwe; utwuma tudafite amazi asanzwe dufite agace gashobora kubamo amazi asanzwe, bisaba kugenzura neza ubushyuhe kugira ngo hirindwe ko dusora bidahagije.
3. Ni gute watandukanya ikoreshwa ry'ihindagurika ry'ibikorwa bitandukanye?

Icyiciro cya R (ibikorwa bike): Isuku nyinshi nko mu kirere no mu buvuzi, hamwe n'ubudahangarwa bw'ibisigazwa by'amazi ≥10¹²Ω;

Icyiciro cya RA (ibikorwa biri hagati): Ibikoresho by'ikoranabuhanga bikoreshwa n'abaguzi, bishobora kugenzura igipimo cy'ubusembwa bwo gusudira ≤0.5%;

Urwego rwa SA (ibikorwa bikomeye): Ahantu hakozwe ogisijeni cyane, bisaba gusukurwa neza kugira ngo hirindwe ingese.
4. Ni izihe ngingo ngenderwaho z'ingano y'insinga zikoreshwa mu gusoda n'ingaruka zabyo ku gusudira?

Ibipimo bisanzwe: 1.0%-3.0%. Ibipimo bike cyane bituma ibyuma bya okiside bitavanwaho bihagije, bigatuma igipimo cy'ubusembwa kiyongeraho 20%-30%; ibipimo byinshi cyane bitera ibisigazwa byinshi bigira ingaruka ku bushyuhe, aho 1.8%-2.2% bikunze gukoreshwa mu guteranya ibikoresho by'ikoranabuhanga.
5. Ni gute ikwirakwizwa ry'uduce tw'ifu y'icyuma mu ifu ya solder rigira ingaruka ku mikorere yo gucapa?

Ubwoko bwa 3 (25-45μm): Ikwiriye padi zifite intera irenga 0.5mm, igipimo cyo gukuraho amakosa mu icapiro
Ubwoko bwa 4 (20-38μm): Bikwiriye intera nto ya 0.3mm, bishobora kuziba stencil hamwe n'ibipimo bidakwiye (ahari + 15%).
6. Ni ubuhe buryo bwemewe bwo guhinduranya ubushyuhe n'ubushuhe mu bubiko bw'ibicuruzwa bya solder paste?

Ubushyuhe: 0-10℃ (muri ±2℃ ihindagurika), ubushuhe: RH≤60%. Igipimo cy'ihindagurika ry'ubushyuhe cyiyongeraho 5%-8% ku munsi iyo ihindagurika ry'ubushyuhe rirenze ±2℃, kandi ubushuhe bwinshi bwihutisha ogisijeni.
7. Ni igihe ntarengwa cyo kubika insinga idafunguye ni ikihe?

Insinga irimo icyuma gishongesha: imyaka 3-5 (15-25℃, RH≤60%);

Insinga idafite icyuma gishongesha: imyaka 2-3. Oxidation irushaho kwiyongera nyuma y'igihe, aho imyenge ishobora kwiyongera ikagera kuri 10%-15%.
8. Kuki amazi agomba kubikwa kure y'urumuri?

Ibice bikora ku ihindagurika ry’urumuri (nk'aside organic) bibora vuba iyo bihuye n'urumuri, ibikorwa bigabanukaho 40% nyuma y'ukwezi kumwe by'urumuri, mu gihe 10%-15% gusa bigabanuka mu mezi 6 y'ububiko budafite urumuri.
9. Kuki kuvanga bibujijwe mu gihe cyo kugarura ubushyuhe bw'umushongi wa solder uvanywe mu bubiko bukonje?

Gukangura bitera ubushyuhe bw'imbere butaringaniye, bigatera gucika vuba cyangwa guhinduka gukomeye kw'ibinyabutabire. Guhinduka kw'ubushyuhe ≤5% nyuma y'amasaha 4-6 ubushyuhe bumaze kugaruka, mu gihe gukangura nabi bishobora gutera gutandukana kugeza kuri 20%.
10. Ni iyihe gahunda yo gupima ubushyuhe n'ubushuhe mu bubiko bw'ibicuruzwa bicukurwamo?

Suzuma buri mezi 6 kugira ngo urebe ko ubushyuhe buri ±1℃ n'ubushuhe buri ±3%RH, wirinde ko ahantu ho kubika ibintu hadakurikijwe amabwiriza.
11. Ni igihe ntarengwa cyo gukoresha imashini icapa ifunguye ikoresheje solder paste ku gikoresho cyo gucapa?

Gukoresha buri gihe ntibigomba kurenza amasaha 8 ku bushyuhe bw'icyumba buri hagati ya 20-25℃ na RH≤60%. Ubushyuhe bwiyongeraho 30%-50% iyo burenze, aho inenge zo gucapa zizamuka zikagera kuri 15%-20%.
12. Ni gute wamenya uburyo amazi ya soldering asimburana mu kigega gikoresha wave soldering tank?

Menya ukurikije umutwaro w'umusaruro n'ingano y'imyanda yo gushongesha, usimbuze buri PCB ya 500-1000㎡ ikozwe; usimbuze mbere y'igihe igihe umuringa uri hejuru ya 0.8%, bitabaye ibyo igipimo cy'ubusembwa cyiyongeraho 25%-35%.
13. Ni iyihe sano iri hagati y'ikoreshwa ry'insinga zo gusoda n'ingano y'ingingo zo gusoda mu gusudira neza?

Ikoreshwa ryiyongeraho 15%-20% kuri buri kwiyongera kwa 0.1mm k'umurambararo w'ingingo z'umusoda. Ikoreshwa rishobora kuba 预估 (ryateganyijwe) hakoreshejwe kubara ingano y'ingingo z'umusoda (ubucucike bwa SAC305 7.4g/cm³).
14. Ni ubuhe buryo bwiza bwo guhuza ubushyuhe bw'icyuma gishongeshwa n'igihe cyo gushongeshwa mu gusudira intoki?

Ubushyuhe: 350-380℃, igihe: amasegonda 2-3. Ibice birenga 400℃ cyangwa >amasegonda 5 byangiza byoroshye ibice,
15. Ni gute inguni ya squeegee igira ingaruka ku bwiza bw'icapiro mu gihe cyo gucapa solder paste?

Inguni iri hagati ya 45°-60° niyo nziza. 60° ishobora gushonga no gucikamo ibice, hamwe n'igipimo cy'ubusembwa cyiyongeraho 8%-10% kuri buri 5° ihinduka.
16. Ni gute wamenya imyanda y'imbere mu ngingo z'umushongi ukoresheje X-Ray?

X-Ray ishobora kubona icyuho gifite umurambararo wa ≥0.1mm. IPC-A-610 isanzwe: ubuso bw'icyuho ≤25% ku bicuruzwa byo mu cyiciro cya B, ≤15% ku cyiciro cya C, hamwe n'icyuho kinini bigira ingaruka ku gushonga k'ubushyuhe n'imbaraga.
17. Ni ibihe bipimo ngenderwaho n'uburyo bwo gutandukana bwemewe mu gupima ubukana bw'umusemburo wa solder?

Ibisabwa: 25±0.5℃, umuvuduko wo kuzenguruka ni 5rpm, ikizamini mu masegonda 60. SAC305 viscosity isanzwe: 80-120Pa·s, ivugurura rikenewe niba ihindagurika rirenze ±15%.
18. Ni ubuhe buryo bwo gupima imbaraga zo gukurura hamwe n'ibipimo by'ubuziranenge bw'ingingo zo gusoda?

Ipime ukoresheje icyuma gipima imbaraga ku muvuduko wa 5mm/min. ≥0.5N kuri paki ya 0603, ≥1.5N kuri QFP leads, imbaraga zidahagije zishobora kwangirika iyo umuntu anyeganyega.
19. Ni gute wasesengura imiterere y'ingingo z'umushongi hakoreshejwe uburyo bwa metallographic sectioning?

Itegereze ukoresheje mikorosikopi nyuma yo gusya no gusiga irangi, wibanda ku bugari bw'urwego rwa IMC (1-3μm kuri SAC305), >5μm ituma ingingo zisoda zicika intege kandi zikagabanya igihe cyo kubaho ho hejuru ya 50%.
20. Ni iki gipimo ngenderwaho cyo gusuzuma isuku ya iyoni ku bisigazwa by'amazi?

Isuzuma hakoreshejwe chromatography ya ion, ibisigazwa bya ion kuri buri gice ≤1.5μg/cm² (mu gipimo cya NaCl), gukabije bitera kwimuka kw'imiyoboro migufi y'amashanyarazi.
21. Ni gute igipimo cyo gushyushya mu cyiciro cyo gushyushya mbere yo kongera gukoresha soldering bigira ingaruka ku gusudira?

Igipimo cya 1-3℃/s kirakwiye. >5℃/s ikunze kwangirika kw'ibice byayo,
22. Mu gikorwa cyo gusoda imiraba ibiri, ni izihe nshingano n'imiterere y'ibipimo by'umuraba w'imbere n'umuraba w'inyuma?

Umuraba w'imbere (umuraba uhindagurika): Uburebure bw'umuraba ni 30-50mm, umuvuduko ni 2-3m/min, usohora umwuka n'amazi;

Umuraba w'inyuma (umuraba woroshye): Uburebure bw'umuraba 20-30mm, umuvuduko 1.5-2.5m/min, ushushanya ingingo z'umuraba.
23. Ni gute wagabanya gusenyuka kwa solder paste ukoresheje uburyo bwo gutunganya imiterere y'ifungura rya stencil?

Koresha imyenge y'intambwe n'imfuruka zizungurutse za laser. Gabanya imfuruka ya QFP ya 0.3mm ho 10%-15% hanyuma wongereho impuzandengo za 0.05mm, ugabanya igipimo cyo kugwa kuva kuri 12% kugeza kuri 3%-5%.
24. Ni izihe ngaruka zo kurinda azote ku bwiza bwo gusudira mu gusudira neza?

Ibidukikije bya azote (umuvuduko wa ogisijeni
25. Ni gute wahindura igipimo cyo gukonjesha cyo kongera gusohoka kw'amazi hakurikijwe ubunini bwa PCB?

Kuri buri 0.5mm yiyongereyeho ubugari bwa PCB, gabanya igipimo cyo gukonjesha ho 1-2℃/s. Gukonjesha vuba cyane (>5℃/s) ku mbaho nini zishobora gucika, gutinda cyane bigira ingaruka ku mikorere myiza kandi bigatera ogisijeni.
26. Ni iyihe ngingo ihuza umuvuduko wo gukuraho imashini icapa n'ubukana bw'umusemburo wa solder?

Uko ubushyuhe bwinshi burushaho kwiyongera, niko umuvuduko wo gukuraho ugenda ugabanuka. Ubushyuhe bwinshi (>150Pa·s): 1-2mm/s, ubushyuhe buke (
27. Ni iyihe sano iri hagati y'umubare w'ahantu hashyuha ho gusoda no gusudira ibyuma bito bito?

Ibikoresho bifite ahantu hashyuha hagera ku 8 cyangwa hejuru birakwiriye cyane ku mabaraza y’ubucucike afite ubucucike bwinshi, bikongera igipimo cy’ubuziranenge kuva kuri 85% kikagera hejuru ya 95% ugereranije n’ibikoresho bifite ahantu hatandatu, hamwe n’uburyo bwo kugenzura ubushyuhe neza.
28. Ni izihe ngaruka z'igikoresho cyo gukangura kiri mu kigega cyo gusoda gifite ku bufatanye bw'amazi yo gusoda?

Umuvuduko wo kuzenguruka wa 20-40rpm utanga uburinganire bwiza bw'amazi yo gusoda. Nyuma yo guhagarika kuvanga, itandukaniro ry'ubushyuhe hagati y'ibice byo hejuru n'ibyo hasi ryiyongeraho 3-5℃ ku isaha, hamwe no kwiyongera kw'ibice n'igipimo cy'ubusembwa kuri 10%-15%.
29. Ni izihe ngaruka z'ubuziranenge bw'ingano y'icyuma gisudira mu gice cy'icyuma gisudira ku ngingo nto z'icyuma gisudira?

Ubuziranenge bugomba kugenzurwa muri ± 0.01mg. Ku mapaki ya 0201, kunyuranya >± 0.02mg byongera amahirwe yo gusora ku kigero cya 40%-50% ku kigero cya 40%-50%, bigira ingaruka zikomeye ku musaruro.
30. Ni uruhe rugero rwo kugenzura umuvuduko w'amashanyarazi kuri sisitemu yo gusoda insinga?

Umuvuduko wa 0.8-1
31. Ni iyihe nzira n'ingamba zisanzwe zo kwirinda kongera gukoresha icyuma kidakoresha lisansi?

Uburyo: Gukusanya ibintu mu byiciro → Gushonga no gukuraho umwanda → Guhindura imiterere y'ibicuruzwa. Ubushyuhe bwo gushonga ni 280-320℃, ingano y'icyuma ≥99.5% nyuma yo gukuraho umwanda. Kurinda umwanda w'icyuma gikomeye; amazi yanduye agomba gukurwaho no gukurwaho amazi kugira ngo yuzuze amahame ya GB 8978-1996 yo gusohora.
32. Ni ibihe bice by'ingenzi bigize imyuka ihindagurika n'aho idashobora kwanduzwa n'akazi?

Irimo aside abietic na isopropanol. Imipaka yo gukoresha mu kazi: aside abietic 5mg/m³ (ikigereranyo cy'igihe gipimwa), isopropanol 980mg/m³. Shyiramo umwuka mwiza cyane kugira ngo wirinde ubushyuhe n'imitsi.
33. Ni ibihe bisabwa ku gushyira mu byiciro imyanda ihumanya n'ibisabwa ku ijugunywa ry'imyanda ku bikoresho bishongeshwa?

Ishyirwa mu byiciro bya HW49 (kode 900-041-49), igomba kujugunywa n'ibice byujuje ibisabwa, kubahiriza amabwiriza yo gucunga inyandiko zo kohereza imyanda ihumanya, no kubuza burundu kuvanga imyanda yo mu ngo.
34. Ni ibihe bipimo bisabwa kugira ngo ahantu ho kubika ibintu hashobora guturika habeho ibisasu?

Ingano ya Ex dⅡBT4 idaturika irakenewe mu kubika umuriro ushobora gushya. Koresha amatara/amatara adaturika kandi uhagarike ibikoresho bitanga ibishashi. Kutubahiriza amategeko byongera ibyago byo gutwika/gutwika ho 30%-50%.
35. Ni gute wakwirinda ko imyanda ya solder ikomeza kwiyongera mu gihe cyo kubika?

Bika mu bikoresho byumye bifunze neza bifite antioxydant ya 0.5%-1.0% BHT. Oxidation yiyongeraho 50% mu masaha 24 iyo ishyizwemo; ububiko bufunze bwongera igihe cyo kongera gukoresha imiti kugeza ku mezi 3-6.
36. Ni gute wagabanya ikiguzi binyuze mu kunoza ubunini bw'imashini zicapa ikoresheje solder paste?

Gabanya ubunini kuva kuri 0.15mm kugeza kuri 0.12mm ukurikije ubuziranenge, ugabanye ikoreshwa ryabyo ho 20%-25%. Gutunganya neza DOE bigabanya ikiguzi kuri buri PCB ho 0.3-0.5 RMB.
37. Ni iyihe mpuzandengo y'igihombo cy'insinga zo gusoda n'ingamba zo kugabanya igipimo cy'inganda?

Impuzandengo y'inganda: 8%-12%. Ibipimo: Gukoresha insinga mu buryo bwikora (bigabanya igihombo ku kigero cya 3-5%), uburyo bwiza (bigabanya gusora ubusa ku kigero cya 15%-20%), kongera gukoresha insinga z'imyanda (70%-80% igipimo cyo kuzigarura), bishobora kugabanuka kugeza kuri 5%-8%.
38. Ni iyihe gahunda yo gusuzuma imikorere y'ibiciro ku bicuruzwa bya soldering paste biva mu bicuruzwa bitandukanye?

Ibipimo: Igiciro cy'icyuma, ingano yacyo (+5% ku giciro cya +1%), igipimo cy'ikosa ryo gucapa (-0.5 RMB/PCB kuri -1%), igihe cyo kubika (-3% ku giciro cya +1 ku kwezi), kibarwa hakurikijwe uburemere.
39. Ni gute wagabanya imyanda yo gusora mu miyoboro y'amazi binyuze mu kunoza imikorere?

Ingamba: Kurinda azote (bigabanya imyanda ku kigero cya 40%-60%), amavuta arwanya ogisijeni (bigabanya igipimo cya ogisijeni ku kigero cya 50%-70%), kugenzura ubushyuhe ± 2℃, bishobora kugabanya imyanda kuva kuri 5kg/kits ikagera kuri 2-3kg/kits.
40. Ni iyihe sano iri hagati y'ihindagurika ry'ibicuruzwa bya solder n'ikoreshwa ry'imari shingiro?

Kongera umusaruro kuva ku nshuro 4 kugeza kuri 6 mu mwaka bigabanya ikiguzi cy’imari shingiro ho 33%. Kongera imikorere myiza binyuze mu kugura JIT, gutunganya ububiko bw’ibikoresho (kugabanya 20%-30%), no kugabanya igihe (kugabanya iminsi 15-20).
41. Ni izihe nzira z'ingenzi zigomba kwibandwaho mu gihe cyo kugenzura ibyemezo bya ISO 9001 by'abatanga ibicuruzwa bisoda?

Icyibandwaho: Igenzura ry'ibikoresho fatizo (100% by'ubwinshi bw'ibicuruzwa), kugenzura umusaruro (urugero, ihinduka ry'igihe cyo kuvanga ifu y'ibikomoka ku bimera ≤5%), igeragezwa ry'ibicuruzwa rirangiye (≥ibintu 10 kuri buri gice), uburyo bwo gucunga ibicuruzwa budakurikije igihe (igihe ≥95%).
42. Ni gute wasuzuma ubushobozi bw'umutanga serivisi mu bushakashatsi no mu iterambere binyuze mu igenzura ry'aho bakorera?

Ibipimo by'isuzuma: Ibikoresho by'ubushakashatsi n'iterambere (DSC, SEM iboneka), igipimo cy'abakozi b'ubushakashatsi n'iterambere (≥15%), umubare w'ipatanti (≥3 bishya buri mwaka), igihe cyo guteza imbere ibicuruzwa bishya (impuzandengo y'amezi ≤6).
43. Ni gute wamenya ubwiza bw'ubwishyu bw'ibicuruzwa ku batanga ibicuruzwa bishongeshwa?

Igipimo: 5%-10% by'amafaranga yatanzwe buri mwaka. Kugabanya igipimo cy'inenge mu itsinda >3%, kugaruza nyuma y'itsinda 3 zikurikiranye kugira ngo habeho gushishikariza kugenzura ubuziranenge.
44. Ni ibihe bipimo by'ingenzi bya tekiniki bigomba gushyirwa mu masezerano ya tekiniki n'abatanga ibicuruzwa bigurisha?

Harimo: Imiterere y'aloyi (urugero, ubushobozi bwo kwihanganira SAC305 Sn±0.5%, Ag±0.2%, Cu±0.1%), aho gushonga (217℃±3℃), ubushyuhe (50-150Pa·s±10%), urwego rw'ibikorwa (urugero, RA grade halide ≤0.5%), ibisabwa ku bidukikije (RoHS 2.0), nibindi.
45. Ni gute wacunga amakuru ya solder batch ukoresheje sisitemu yo gukurikirana ubuziranenge?

Inyandiko za sisitemu: Nimero y'itsinda, itariki yo gukora, imiterere, igihe cyo kubika, nibindi, bifitanye isano n'ibimenyetso byihariye bya PCBA. Igihe cy'aho ikibazo giherereye cyagabanijwe kuva ku masaha 24 kugeza kuri ≤2.
46. Ni gute ubwoko butandukanye bw'ibice bisoda bigira ingaruka ku bwiza bw'icapiro?

Icupa rya polyurethane: Rishobora koroha, rikwiriye ubukana buke n'ubunini buto (pins
Icupa ry'icyuma: Ubukomere bwinshi, bukwiriye ibyuma binini kandi binini (udupira >0.8mm, ubushobozi bwo kwihanganira ubunini ±5μm).
47. Ni gute wasuzuma mu buryo bw'imibare imikorere y'imicungire y'ibikomoka ku ruganda?

Ibipimo: Ihindagurika ry’ibikoresho (ku rwego rwiza inshuro 8-10 mu mwaka), igihe kuva aho imodoka zifatiwe kugeza ku murongo (≤ isaha 1), igipimo cy’igihe cyo kuruhuka bitewe n’ibibazo by’imicungire (
48. Ni gute wakemura impamvu ukurikije uko ibikoresho bya soldering bihagaze iyo habayeho gusoldering idahagije nyuma yo gusudira PCBA?

Ingingo zo gukemura ibibazo:

1. Reba niba icyuma gikozwe muri solder paste ≥90% (igipimo nta lisansi ikoreshwa), ibura ry’icyuma rituma habaho gushonga ku kigero cya 40% cyangwa hejuru;

2. Kugenzura neza imikorere y'amazi ijyanye n'urwego rwa RA, imikorere idahagije ituma amazi adakomeza kumera neza;

3. Emeza niba ifu ya solder yarangiye (ubukana/kwangirika kw'ibikorwa).
49. Ni gute wahitamo ibikoresho bikwiye byo gusoda kugira ngo bigenzurwe mu gihe cyo gukora igerageza rya PCBA mu byiciro bito?

Ingamba:

1. Shyira imbere icyitegererezo kimwe cya solder nk'umusaruro mwinshi kugira ngo ibikorwa bikomeze;

2. Ku bicuruzwa bigoye, hitamo ibirango 2-3 bifite imikorere isa kugira ngo ugereranye;

3. Suzuma ukoresheje igipimo cy'ubusembwa, amakuru y'imbaraga zo gukurura ingingo, n'igiciro cyuzuye.
50. Ni gute wasuzuma ingaruka z'aho ububiko bw'ibicuruzwa bucururizwa ku gihe cyo kubibika?

Ibintu by'ingenzi:

- Igihe cyo kuruhuka kigabanukaho 20% kuri buri 5℃ ugereranyije n'ibisanzwe (urugero, gusya >10℃);

- Igipimo cya oxidation cyiyongeraho 15% kuri buri 10% by'ubushuhe bwa RH buzamuka;

Sesengura isano y'amakuru ukoresheje ibyuma bipima ubushyuhe/ubushuhe kugira ngo umenye igihe bizamara.
51. Ni gute wamenya niba ugomba gusimbuza ubwogero bwa soldering mu gihe cyo kubungabunga ikigega gikoresha umuraba?

Ibipimo ngenderwaho byo gusimbuza:

1. Imyanda irenze urugero (urugero, Cu >0.8%, IPC-J-STD-006B), imbaraga z'ingingo zisoda zigabanukaho 20%-30%;

2. Imyanda yo mu bwogero itwikira hejuru ya 20% by'ubuso bw'ubwogero, bigira ingaruka ku bwiza;

3. Igipimo cy'ubusembwa bwo gusudira gikomeza kwiyongera bitewe n'ibibazo byo koga hakoreshejwe solder.
52. Ni gute wanoza gahunda zo gutanga amasoko ukoresheje isesengura ry’amakuru menshi mu gucunga ibikoresho bya solder?

Uburyo:

1. Gusesengura amateka y'ibyakoreshejwe, imigendekere y'amasoko, n'ihindagurika ry'ibiciro kugira ngo hamenyekane uko ubusabe bukenewe;

2. Gushyira ibicuruzwa mbere y'igihe hashingiwe ku byo wategetse mu gihe cy'umwaka kugira ngo ugabanye ibyago byo kubura ibicuruzwa;

3. Kugenzura uko ibiciro bihagaze kugira ngo urusheho kubona igihe cyo kugura. Amakuru agaragaza ikiguzi cyo kugura kiri hagati ya 15%-20% na 8%-12% kugabanuka kw'ikiguzi cyo kugura.
53. Ni izihe ngaruka zo gukoresha ubwoko butandukanye bwa solder yo kuvugurura ibikoresho ku bwizewe bw'umusaruro mu gihe cyo kuvugurura PCBA?

Ingaruka:

- Solder y’ibice bimwe: Imikorere ihoraho y’ingingo, ubwizigirwa busa n’ubwa mbere;

- Solder y’imiterere itandukanye (urugero, solder y’ubushyuhe buke ishingiye kuri bismuth): Kutahuza kwa CTE gukomeye (ishingiye kuri bismuth ≈2x SAC305), ikunze kwangirika mu gihe cy’ubushyuhe, kwizerana kugabanukaho 50%+.

Gucunga ibikoresho byo gusudira

1. Ni izihe ngero z'ibice n'inyungu z'imikorere ya solder isanzwe idafite lisansi SAC305?

2. Ni gute ingingo ya eutectic y'ibyuma bisoda igira ingaruka ku gikorwa cyo gusudira?

3. Ni gute watandukanya ikoreshwa ry'ihindagurika ry'ibikorwa bitandukanye?

4. Ni izihe ngingo ngenderwaho z'ingano y'insinga zikoreshwa mu gusoda n'ingaruka zabyo ku gusudira?

5. Ni gute ikwirakwizwa ry'uduce tw'ifu y'icyuma mu ifu ya solder rigira ingaruka ku mikorere yo gucapa?

6. Ni ubuhe buryo bwemewe bwo guhinduranya ubushyuhe n'ubushuhe mu bubiko bw'ibicuruzwa bya solder paste?

7. Ni igihe ntarengwa cyo kubika insinga idafunguye ni ikihe?

8. Kuki amazi agomba kubikwa kure y'urumuri?

9. Kuki kuvanga bibujijwe mu gihe cyo kugarura ubushyuhe bw'umushongi wa solder uvanywe mu bubiko bukonje?

10. Ni iyihe gahunda yo gupima ubushyuhe n'ubushuhe mu bubiko bw'ibicuruzwa bicukurwamo?

11. Ni igihe ntarengwa cyo gukoresha imashini icapa ifunguye ikoresheje solder paste ku gikoresho cyo gucapa?

12. Ni gute wamenya uburyo amazi ya soldering asimburana mu kigega gikoresha wave soldering tank?

13. Ni iyihe sano iri hagati y'ikoreshwa ry'insinga zo gusoda n'ingano y'ingingo zo gusoda mu gusudira neza?

14. Ni ubuhe buryo bwiza bwo guhuza ubushyuhe bw'icyuma gishongeshwa n'igihe cyo gushongeshwa mu gusudira intoki?

15. Ni gute inguni ya squeegee igira ingaruka ku bwiza bw'icapiro mu gihe cyo gucapa solder paste?

16. Ni gute wamenya imyanda y'imbere mu ngingo z'umushongi ukoresheje X-Ray?

17. Ni ibihe bipimo ngenderwaho n'uburyo bwo gutandukana bwemewe mu gupima ubukana bw'umusemburo wa solder?

18. Ni ubuhe buryo bwo gupima imbaraga zo gukurura hamwe n'ibipimo by'ubuziranenge bw'ingingo zo gusoda?

19. Ni gute wasesengura imiterere y'ingingo z'umushongi hakoreshejwe uburyo bwa metallographic sectioning?

20. Ni iki gipimo ngenderwaho cyo gusuzuma isuku ya iyoni ku bisigazwa by'amazi?

21. Ni gute igipimo cyo gushyushya mu cyiciro cyo gushyushya mbere yo kongera gukoresha soldering bigira ingaruka ku gusudira?

22. Mu gikorwa cyo gusoda imiraba ibiri, ni izihe nshingano n'imiterere y'ibipimo by'umuraba w'imbere n'umuraba w'inyuma?

23. Ni gute wagabanya gusenyuka kwa solder paste ukoresheje uburyo bwo gutunganya imiterere y'ifungura rya stencil?

24. Ni izihe ngaruka zo kurinda azote ku bwiza bwo gusudira mu gusudira neza?

25. Ni gute wahindura igipimo cyo gukonjesha cyo kongera gusohoka kw'amazi hakurikijwe ubunini bwa PCB?

26. Ni iyihe ngingo ihuza umuvuduko wo gukuraho imashini icapa n'ubukana bw'umusemburo wa solder?

27. Ni iyihe sano iri hagati y'umubare w'ahantu hashyuha ho gusoda no gusudira ibyuma bito bito?

28. Ni izihe ngaruka z'igikoresho cyo gukangura kiri mu kigega cyo gusoda gifite ku bufatanye bw'amazi yo gusoda?

29. Ni izihe ngaruka z'ubuziranenge bw'ingano y'icyuma gisudira mu gice cy'icyuma gisudira ku ngingo nto z'icyuma gisudira?

30. Ni uruhe rugero rwo kugenzura umuvuduko w'amashanyarazi kuri sisitemu yo gusoda insinga?

31. Ni iyihe nzira n'ingamba zisanzwe zo kwirinda kongera gukoresha icyuma kidakoresha lisansi?

32. Ni ibihe bice by'ingenzi bigize imyuka ihindagurika n'aho idashobora kwanduzwa n'akazi?

33. Ni ibihe bisabwa ku gushyira mu byiciro imyanda ihumanya n'ibisabwa ku ijugunywa ry'imyanda ku bikoresho bishongeshwa?

34. Ni ibihe bipimo bisabwa kugira ngo ahantu ho kubika ibintu hashobora guturika habeho ibisasu?

35. Ni gute wakwirinda ko imyanda ya solder ikomeza kwiyongera mu gihe cyo kubika?

36. Ni gute wagabanya ikiguzi binyuze mu kunoza ubunini bw'imashini zicapa ikoresheje solder paste?

37. Ni iyihe mpuzandengo y'igihombo cy'insinga zo gusoda n'ingamba zo kugabanya igipimo cy'inganda?

38. Ni iyihe gahunda yo gusuzuma imikorere y'ibiciro ku bicuruzwa bya soldering paste biva mu bicuruzwa bitandukanye?

39. Ni gute wagabanya imyanda yo gusora mu miyoboro y'amazi binyuze mu kunoza imikorere?

40. Ni iyihe sano iri hagati y'ihindagurika ry'ibicuruzwa bya solder n'ikoreshwa ry'imari shingiro?

41. Ni izihe nzira z'ingenzi zigomba kwibandwaho mu gihe cyo kugenzura ibyemezo bya ISO 9001 by'abatanga ibicuruzwa bisoda?

42. Ni gute wasuzuma ubushobozi bw'umutanga serivisi mu bushakashatsi no mu iterambere binyuze mu igenzura ry'aho bakorera?

43. Ni gute wamenya ubwiza bw'ubwishyu bw'ibicuruzwa ku batanga ibicuruzwa bishongeshwa?

44. Ni ibihe bipimo by'ingenzi bya tekiniki bigomba gushyirwa mu masezerano ya tekiniki n'abatanga ibicuruzwa bigurisha?

45. Ni gute wacunga amakuru ya solder batch ukoresheje sisitemu yo gukurikirana ubuziranenge?

46. ​​Ni gute ubwoko butandukanye bw'ibice bisoda bigira ingaruka ku bwiza bw'icapiro?

47. Ni gute wasuzuma mu buryo bw'imibare imikorere y'imicungire y'ibikomoka ku ruganda?

48. Ni gute wakemura impamvu ukurikije uko ibikoresho bya soldering bihagaze iyo habayeho gusoldering idahagije nyuma yo gusudira PCBA?

49. Ni gute wahitamo ibikoresho bikwiye byo gusoda kugira ngo bigenzurwe mu gihe cyo gukora igerageza rya PCBA mu byiciro bito?

50. Ni gute wasuzuma ingaruka z'aho ububiko bw'ibicuruzwa bucururizwa ku gihe cyo kubibika?

51. Ni gute wamenya niba ugomba gusimbuza ubwogero bwa soldering mu gihe cyo kubungabunga ikigega gikoresha umuraba?

52. Ni gute wanoza gahunda zo gutanga amasoko ukoresheje isesengura ry’amakuru menshi mu gucunga ibikoresho bya solder?

53. Ni izihe ngaruka zo gukoresha ubwoko butandukanye bwa solder yo kuvugurura ibikoresho ku bwizewe bw'umusaruro mu gihe cyo kuvugurura PCBA?

46. Ni gute ubwoko butandukanye bw'ibice bisoda bigira ingaruka ku bwiza bw'icapiro?