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Otu esi achọpụta na zaghachi ụdịdị 6 nke PCB Fogging Coating Conformal Coating Defects

Nyere mgbanwe ndị na-etinye aka na usoro mkpuchi conformal (dịka nhazi mkpuchi, viscosity, mgbanwe mkpụrụ, okpomọkụ, ikuku ikuku, mmetọ, evaporation, iru mmiri, wdg), nsogbu ntụpọ nwere ike ibili.Ka anyị leba anya n'ụfọdụ nsogbu ndị a na-ahụkarị nke nwere ike ibilite mgbe a na-etinye ma na-edozi agba, yana ihe nwere ike ịkpata ya na ihe anyị ga-eme maka ya.

1. Dehumidification

Nke a na-ebute site na mmetọ mkpụrụ nke na-ekwekọghị na mkpuchi.O yikarịrị ka ndị ga-eme ya bụ mfufu, mmanụ nhazi, ihe ntọhapụ ebu, na mmanụ akara mkpịsị aka.Nhicha nke ọma nke mkpụrụ tupu etinye ihe mkpuchi ahụ ga-edozi nsogbu a.

2. Delamination

Enwere ọtụtụ ihe na-akpatakarị nsogbu a, ebe ebe a na-ekpuchi ya na-efunahụ nkwụsị ya na mkpụrụ ma nwee ike ibuli elu site n'elu, otu isi ihe kpatara ya bụ mmetọ nke elu.A, ị ga-ahụ naanị okwu delamination ozugbo emepụtara akụkụ ahụ, ebe ọ bụ na ọ naghị ahụkarị ozugbo yana ihicha nke ọma nwere ike dozie nsogbu ahụ.Ihe ọzọ kpatara ya bụ oge nkwụsị nke ọma n'etiti uwe mkpuchi, ihe mgbaze anaghị enwe oge kwesịrị ekwesị iji kpochapụ tupu uwe na-esote, na-eme ka oge zuru ezu n'etiti uwe mkpuchi maka adhesion dị mkpa.

3. Afụ

Enwere ike ịkpata ọnyà ikuku site na mkpuchi na-adịghị adabere na elu ala.Ka ikuku na-ebili site na mkpuchi ahụ, a na-emepụta obere ikuku ikuku.Ụfọdụ n'ime afụ ndị ahụ na-ada wee ghọọ mgbanaka concentric nke yiri oghere.Ọ bụrụ na onye na-arụ ọrụ adịghị akpachara anya, ihe nhịahụ ahụ nwere ike iwebata ikuku ikuku n'ime mkpuchi, yana nsonaazụ ndị akọwara n'elu.

4. More ikuku egosipụta na voids

Ọ bụrụ na mkpuchi ahụ dị oke oke, ma ọ bụ mkpuchi ahụ na-agwọ ngwa ngwa (na okpomọkụ), ma ọ bụ ihe mgbaze mkpuchi na-ekpochapụ ngwa ngwa, ihe ndị a niile nwere ike ime ka elu mkpuchi ahụ sie ike ngwa ngwa mgbe ihe mgbaze ka na-ekupụ n'okpuru, na-eme ka afụ dị na ya. elu oyi akwa.

5. Azụ phenomen

Obere okirikiri nke nwere "crater" na-esi na etiti pụta, nke a na-ahụkarị n'oge ma ọ bụ obere oge mgbe ịgbasachara.Enwere ike ime nke a site na mmanụ ma ọ bụ mmiri na-agbanye n'ime usoro ikuku sprayer ma na-emekarị mgbe ikuku ụlọ ahịa na-agba ọchịchịrị.Kpachara anya iji nọgide na-enwe usoro nzacha dị mma iji wepụ mmanụ ọ bụla ma ọ bụ mmiri mmiri site na ịbanye n'ime sprayer.

6. bee oroma

Ọ dị ka bee nke oroma, ọdịdị na-enweghị isi.Ozokwa, enwere ike inwe ihe di iche iche.Ọ bụrụ na ị na-eji usoro ịgba mmiri, ọ bụrụ na ikuku ikuku dị oke ala, ọ ga-eme ka atomization na-enweghị isi, nke nwere ike ịkpata mmetụta a.Ọ bụrụ na a na-eji ihe ndị na-egbuke egbuke mee ihe na usoro ịgbasa iji belata viscosity, mgbe ụfọdụ, nhọrọ na-ezighị ezi nke thinner nwere ike ime ka ọ pụta ngwa ngwa, na-enyeghị mkpuchi ahụ oge zuru ezu iji gbasaa nke ọma.


Oge nzipu: Mee-08-2023