SMT txheej txheem ntau lawm
SMT ntau lawm txheej txheem
1. Kev tso kawm tshuab
Raws li tus qauv BOM thaj thaj chaw daim duab qhia los ntawm tus neeg siv khoom, kev tswj hwm ntawm qhov chaw ntawm thaj chaw thaj yog programmed. Tom qab ntawd thawj daim yog ua tiav nrog SMT ua cov ntaub ntawv muab los ntawm tus neeg siv khoom.
2. Sau cov tshuaj txhuam hniav
solder paste nrog steel mesh yog luam tawm ntawm lub rooj tsavxwm PCB los solder cov khoom siv hluav taws xob SMD ncoo los npaj rau vuam ntawm cov khoom. Cov cuab yeej siv yog lub tshuab luam ntawv tshuaj ntsuam (lub tshuab luam ntawv), uas nyob rau hauv pem hauv ntej kawg ntawm SMT thaj ua kab.
3. SPI
Solder paste detector, nrhiav kom tau cov khoom siv tshuaj pleev ib ce yog cov khoom zoo, tsis muaj tsawg dua tin, tin to, tin thiab lwm yam tshwm sim tsis zoo.
4. Patch
Txhim kho cov khoom siv hluav taws xob SMD kom raug rau qhov chaw ruaj khov ntawm PCB. Cov cuab yeej siv yog lub tshuab SMT, uas nyob tom qab lub tshuab luam ntawv tshuaj ntsuam hauv SMT ntau lawm kab.
Lub tshuab SMT tau muab faib ua lub tshuab high-speed thiab universal tshuab
Kev kub ceev tshuab: Siv los txuas tus pin loj sib nrug, cov khoom me me
Universal tshuab: Stick tus pin sib nrug me me (pin ntom), cov khoom loj.
5. Melt lub solder paste tshaj kub kub
Cov tshuaj txhuam hniav feem ntau yog yaj los ntawm qhov kub thiab txias, thiab cov khoom siv hluav taws xob SMD thiab PCB pawg thawj coj tau sib koom ua ke tom qab txias. Cov cuab yeej siv yog lub qhov cub reflow, uas nyob tom qab lub tshuab SMT hauv SMT ntau lawm kab.
6. UAS
Tsis siv neeg optical detector los xyuas seb cov khoom siv welded puas muaj vuam tsis zoo, xws li stele, hloov chaw, cua vuam, thiab lwm yam.
7. Kev tshuaj xyuas qhov muag
Cov khoom tseem ceeb ntawm kev tshuaj xyuas phau ntawv: seb lub PCBA version yog qhov hloov pauv; Txawm hais tias tus neeg siv khoom xav tau cov khoom siv los hloov cov ntaub ntawv lossis cov khoom ntawm cov chaw tsim khoom lossis cov khoom lag luam; IC, diode, triode, tantalum capacitor, aluminium capacitor, hloov thiab lwm yam kev taw qhia yog taw qhia kom raug; Qhov tsis xws luag tom qab vuam: luv luv Circuit Court, qhib Circuit Court, qhov tsis tseeb, vuam cuav.
8. Ntim
Cais cov khoom uas dhau qhov kev xeem. Cov khoom ntim khoom siv feem ntau yog cov hnab npuas, cov paj rwb electrostatic, thiab cov tais ntim quav. Muaj ob txoj hauv kev ntim khoom tseem ceeb, ib qho yog siv lub hnab npuas los yog cov paj rwb electrostatic rau hauv ib lub yob, nyias ntim, yog tam sim no cov khoom ntim khoom siv feem ntau; Qhov thib ob yog kho lub hlwv disk raws li qhov loj ntawm PCBA. Npog lub pob ntawm lub blister tais, feem ntau yog PCBA board uas yog rhiab heev rau lub koob thiab muaj cov ntsiab lus tsis zoo.
Hu rau David
Whatsapp / Wechat / Tel:+86 13827425982
E-mail: david@eton-mounter.com
