N'ihi na SMT osisi, karịsịa maka BGA na IC pasted na conduction chọrọ ga-agbapụ, na nkwụnye oghere convex concave gbakwunyere ma ọ bụ mwepu 1 mil, enweghị ike inwe ndu oghere onu na red tin, ndu oghere bụ Tibet beads, iji zute. ahịa chọrọ, eduzi plọg oghere usoro bụ multifarious, Wezuga ogologo usoro eruba, usoro akara siri ike, mgbe na-ekpo ọkụ ikuku larịị na green mmanụ iguzogide soldering nnwale apụ;Mgbe ọgwụgwọ gasịrị, mgbawa mmanụ na nsogbu ndị ọzọ na-eme.Dị ka ọnọdụ mmepụta n'ezie, a na-achịkọta usoro oghere PCB dị iche iche, na-atụnyere usoro na uru na ọghọm dị iche iche:
Cheta na: The na-arụ ọrụ ụkpụrụ nke na-ekpo ọkụ ikuku larịị bụ iji na-ekpo ọkụ ikuku wepụ ngafe solder n'elu na oghere nke e biri ebi sekit osisi, na fọdụrụ solder na- evenly kpuchie na mpe mpe akwa na-emeghe solder akara na elu akara mma, nke bụ otu. nke usoro ọgwụgwọ elu nke bọọdụ sekit e biri ebi.
I. Nkwụnye usoro oghere mgbe ọkwa ikuku dị ọkụ
Usoro eruba: efere elu igbochi ịgbado ọkụ →HAL → plọg oghere → ọgwụgwọ.A na-anabata usoro oghere na-enweghị nkwụnye maka mmepụta.Mgbe ọkwa ikuku na-ekpo ọkụ gasịrị, a na-eji efere aluminom ma ọ bụ ihuenyo ink mejupụta oghere nkwụnye nke ebe niile siri ike dị ka ndị ahịa chọrọ.Plug oghere ink nwere ike ịbụ ink nwere mmetụta ma ọ bụ ink thermosetting, iji hụ na agbanwe agbanwe nke agba ihe nkiri mmiri mmiri, plọg oghere ink kacha mma iji otu bọọdụ ink ahụ.Usoro a nwere ike hụ na ikpo ọkụ ikuku larịị mgbe site oghere adịghị idebe mmanụ, ma dị mfe ime ka plug oghere ink mmetọ osisi elu, enweghị isi.Onye ahịa na-enwekarị ike ịgbado ọkụ mgbe ọ na-eji yaigwe SMTịgbago (karịsịa na BGA).Ọtụtụ ndị ahịa anaghị anabata usoro a.
II.Ịkwado ikuku na-ekpo ọkụ tupu usoro nkwụnye oghere
2.1 A na-ebufe eserese eserese mgbe oghere plọg gasịrị, nkwụsi ike na igwe mpempe akwụkwọ aluminom
Usoro usoro a na igwe CNC na-egwupụta ihe, na-egwupụta ihe iji gbanye oghere aluminum mpempe akwụkwọ, nke ihuenyo, oghere nkwụnye, hụ na oghere nkwụnye zuru ezu, nkwụnye oghere ink nkwụnye ink, nwekwara ink thermosetting, àgwà ya ga-adị ike. resin shrinkage mgbanwe bụ obere, na oghere mgbidi ejikọta ike dị mma.Usoro eruba bụ dị ka ndị a: pretreatment → plọg oghere → egweri efere → graphic transfer → etching → efere elu-eguzogide ịgbado ọkụ.
Site na usoro a nwere ike na-ekwe nkwa na-eji ire ụtọ conduction nke nkwụnye oghere, na-ekpo ọkụ ikuku leveling a ga-enwe mmanụ, n'akụkụ nke oghere ịgbawa oyi àgwà nsogbu ndị dị otú ahụ dị ka mmanụ, ma usoro chọrọ disposable ndim ọla kọpa, na-eme ka a oghere mgbidi ọla kọpa ọkpụrụkpụ izute. ọkọlọtọ ọkọlọtọ, otú ahụ dum osisi elu ina ọla kọpa plating, na nwekwara a nnukwu chọrọ na arụmọrụ nke egweri igwe, iji hụ na resin n'elu nke ọla kọpa nke ọma wepụ, dị ka ọla kọpa elu dị ọcha ma ghara mmeru. .Ọtụtụ PCB osisi enweghị otu oge thickening ọla kọpa usoro, na arụmọrụ nke akụrụngwa na-adịghị ruo ihe a chọrọ, n'ihi na usoro a na-adịghị eji na PCB osisi.
2.2 Block ịgbado ọkụ nke ihuenyo obibi akwụkwọ elu ozugbo mgbe nkwụnye oghere nke aluminum mpempe akwụkwọ
Usoro a na-eji igwe nchịkwa NUMERICAL, na-egwupụta mpempe akwụkwọ aluminom ka ọ bụrụ oghere, nke a na-eme ka ọ bụrụ nsụgharị ihuenyo, nke etinyere na oghere igwe na-ebi akwụkwọ na ihuenyo, mgbe emechara oghere nkwụnye oghere agaghị agafe nkeji 30, na ihuenyo 36T. ihuenyo kpọmkwem ihuenyo obibi akwụkwọ elu-eguzogide ịgbado ọkụ, usoro bụ: pretreatment - nkwụnye oghere - ihuenyo ebipụta - tupu mmiri - ikpughe - mmepe - ọgwụgwọ.
Na usoro a nwere ike hụ na conduction oghere mkpuchi mmanụ dị mma, nkwụnye oghere ewepụghị, mmiri film agba na-agbanwe agbanwe, na-ekpo ọkụ ikuku larịị nwere ike hụ na conduction oghere bụ tin, tin beads na-adịghị ezobe n'ime oghere, ma dị mfe na-akpata. mpempe akwụkwọ ink n'ime oghere mgbe a gwọchara ya, na-eme ka ọ bụrụ ihe na-adịghị mma;Mgbe ọkwa ikuku na-ekpo ọkụ gasịrị, nsọtụ nke oghere ahụ na-apụta ma tụfuo mmanụ.O siri ike iji usoro a maka njikwa mmepụta, ọ dịkwa mkpa ka ndị injinia na-arụ ọrụ na-agbaso usoro pụrụ iche na paramita iji hụ na ịdị mma nke oghere nkwụnye ahụ.
2.3 Aluminom plọg oghere, mmepe, precuring, egweri efere elu ịgbado ọkụ.
Na CNC na-egwupụta igwe, na-egwupụta mpempe akwụkwọ aluminom chọrọ oghere nkwụnye, nke a na-eme ka ọ bụrụ ihuenyo, arụnyere na oghere igwe na-ebi akwụkwọ na-agbanwe agbanwe, oghere nkwụnye ahụ ga-ejupụta, akụkụ abụọ nke protruding dị mma, ma mgbe ahụ, mgbe ọ gwọchara, na-egweri efere elu. ọgwụgwọ, usoro bụ: pretreatment - nkwụnye oghere a tupu ihicha - na-emepe emepe - tupu ọgwụgwọ - elu ịgbado ọkụ
Ebe ọ bụ na ọgwụgwọ nkwụnye nkwụnye n'ime usoro a nwere ike hụ na mmanụ adịghị ada ma ọ bụ gbasaa site na oghere mgbe HAL gasịrị, ma tin beads zoro ezo na oghere na tin na oghere mgbe HAL enweghị ike idozi kpamkpam, ọtụtụ ndị ahịa anaghị anabata ya.
2.4 Block ịgbado ọkụ na plọg oghere na-agwụcha n'otu oge.
Usoro a na-eji 36T (43T) ihuenyo, arụnyere na ihuenyo obibi igwe, ojiji nke mpe mpe akwa ma ọ bụ ntu bed, na ẹkụre nke osisi n'otu oge ahụ, niile site oghere plọg, usoro bụ: pretreatment - ihuenyo obibi - . tupu - ihicha - ikpughe - mmepe - ọgwụgwọ.
Usoro oge bụ mkpụmkpụ, elu akụrụngwa itinye n'ọrụ, nwere ike na-ekwe nkwa mgbe oghere si mmanụ, ọkụ ikuku larịị ndu oghere adịghị na tin, ma n'ihi na-eji ihuenyo ebipụta ka ikwunye oghere, na oghere ebe nchekwa na ọnụ ọgụgụ buru ibu nke ikuku, mgbe. ọgwụgwọ, ikuku onu oriri, na-agbaji site na-eguzogide ịgbado ọkụ akpụkpọ ahụ, nwere oghere, erughị eru, ikuku larịị ga-eduzi oghere bụ obere ego nke tin.
Oge nzipu: Nov-16-2021