Dab tsi yog qhov ntsuas kub ntawm qhov ntsuas kub tsis tu ncua hluav taws xob soldering hlau?
1. Cov kauj ruam siv:
1. Xyuas kom cov asbestos ntub dej.
2. Tshem tawm cov impurities ntawm qhov chaw ntawm lub raj cua sov.
3. Paub meej tias cov ntsia hlau ntsia hlau tau kaw nruj nreem tsis tau xoob.
4. Ua kom lub qhov hluav taws xob 220V ntsaws rau hauv.
5. Tig lub hwj chim hloov mus rau ON txoj hauj lwm.
6. Kho qhov kub thiab txias khawm hloov mus rau 300 degree . Tom qab lub ntsuas cua kub tawm mus, siv tus pas ntsuas kub los ntsuas seb qhov ntsuas kub ntawm lub taub hau yog li ntawm 300 degree ± 10 degree; ces cua sov mus rau qhov yuav tsum tau ua hauj lwm kub.
7. Yog tias qhov kub siab tshaj qhov ntau, tsis txhob siv nws thiab xa nws mus kho.
8. Pib.
2. Cov kauj ruam siv kawg:
1. Ntxuav thiab so lub hau ntawm cov hlau soldering thiab ntxiv me ntsis tin hlau rau kev tiv thaiv.
2. Kho qhov kub thiab txias qhov hloov qhov rooj rau qhov kub qis tshaj plaws uas tuaj yeem teeb tsa.
3. Tig lub hwj chim hloov mus rau OFF txoj hauj lwm.
4. Tshem lub hwj chim ntsaws.
3. Qhov zoo tshaj plaws ua haujlwm kub
Siv qhov kub thiab txias heev thaum lub sij hawm cov txheej txheem soldering yuav cuam tshuam qhov smoothness ntawm solder. Yog tias qhov kub thiab txias siab dhau lawm, nws yuav ua rau cov ntawv ci tooj liab ntawm lub rooj tsav xwm hluav taws xob puas tsuaj thiab cov khoom siv yuav ua tsis tiav thiab tsis pom kev. Yog tias cov pa luam yeeb dawb tawm los yog qhov chaw tsis sib xws thiab npub nrog cov hmoov dawb, qhov kub thiab txias yog siab dhau. Ob qho xwm txheej saum toj no tuaj yeem ua rau cov vuam txias lossis cladding vuam. Txhawm rau kom tsis txhob muaj qhov xwm txheej saum toj no, ntxiv rau kev siv tin hlau nrog ceev faj, nws yog ib qho tsim nyog yuav tsum xaiv qhov kub thiab txias ua haujlwm.
Cov hauv qab no yog qhov tsim nyog ua haujlwm kub rau ntau yam haujlwm soldering:
Lub melting point ntawm dav hlau tin yog 183 degree rau 215 degree (kwv yees 361 degree F txog 419 degree F)
Qhov kub ua haujlwm li qub yog 270 degree -320 degree (txog 518℉-608℉)
Kev khiav hauj lwm kub ntawm cov kab ntau lawm yog 300 degree -380 degree (txog 572℉-716℉)
Ua hauj lwm kub ntawm tin suction (me me solder joint) 315 degree (kwv yees 600 degree F)
Tin absorption ua hauj lwm kub (loj solder chaw) 400 degree (kwv yees 752 degree F)
Lus Cim: Hauv cheeb tsam liab, uas yog, qhov kub siab tshaj 400 degree (752 degree F), tsis txhob siv nws nquag lossis tsis tu ncua; nws tsuas yog siv tau rau ib lub sij hawm luv luv thaum qee zaus siv rau cov pob qij txha loj loj lossis ceev ceev heev.
4. Yuav ua li cas siv thiab tuav lub taub hau soldering:
(1) Cov laj thawj yog vim li cas lub taub hau hlau tsis lo rau tin feem ntau suav nrog cov ntsiab lus hauv qab no, thov zam kom ntau li ntau tau:
(1) Qhov kub yog siab dhau, thiab thaum nws siab tshaj 400 degree, nws yooj yim rau oxidize lub tin-stained nto.
(2) Lub tinned nto tsis tas tinned thaum siv. www.dgjs123.com
(3) Tsis tshua muaj flux thaum lub sij hawm soldering; los yog kev siv cov active flux yuav oxidize nto sai; dej-soluble flux yog corrosive ntawm qhov kub thiab txias thiab yuav ua rau lub ntsis ntawm cov hlau soldering.
(4) Daim txhuam cev siv los so lub hau ntawm cov hlau soldering muaj cov sulfur ntau dhau, qhuav dhau los yog qias neeg heev.
(5) raug rau cov organic teeb meem xws li yas; lubricating roj los yog lwm yam compounds.
(6) Lub tin tsis huv lossis cov ntsiab lus tin tsawg dhau.
(2) Kev ceev faj thiab kev saib xyuas txoj hauv kev rau kev siv cov lus qhia hlau soldering:
(1) Ua ntej lub taub hau hlau yog siv rau txhua hnub, tshem tawm cov seem oxide, av lossis cov dej ntws tawm ntawm lub taub hau hlau; thiab tshem tawm cov impurities nyob rau hauv lub cua sov lub cev los tiv thaiv lub soldering hlau taub los ntawm raug daig nrog lub cua sov caij los yog lub tes tsho. Nco ntsoov kaw lub taub hau ntawm lub taub hau kom nws nyob hauv qhov chaw.
(2) Thaum siv, ua ntej teem qhov kub ntawm li 200 degree rau preheat, thiab ces teem rau 300 degree thaum kub nce mus txog 300 degree. Thaum nws nce mus txog 300 degree, nws yog ib qho tsim nyog yuav tsum tau ntxiv cov tin rau cov tin-stained ib feem ntawm lub hauv ntej kawg ntawm lub taub hau ntawm lub taub hau ntawm lub sijhawm tiag tiag, thiab tos 3 ~ 5 feeb, kuaj seb qhov ntsuas kub puas yog tus qauv, thiab tom qab ntawd teeb tsa. nws mus rau qhov yuav tsum tau ua haujlwm kub.
(3) Thaum soldering, tsis txhob quab yuam los yog nyem lub taub hau hlau tawm tsam cov khoom yuav tsum tau welded, thiab tsis txhob siv kev sib txhuam vuam, vim qhov no yuav tsis pab hluav taws xob conduction thiab tej zaum yuav ua rau cov hlau taub hau puas.
(4) Tsis txhob rub lub taub ntawm cov hlau soldering nrog cov khoom uas muaj qhov ntxhib.
(5) Tsis txhob siv cov fluxs uas muaj chlorine lossis acid.
(6) Tsis txhob ntxiv cov khoom sib xyaw rau hauv qhov chaw tin.
(7) Thaum tsis siv lub sijhawm ntev, txo qhov kub kom qis dua 200 degree, thiab tiv thaiv lub hau ntawm cov hlau soldering nrog tin, tsis txhob so nws; tsuas yog thaum soldering, so rau ntawm daim txhuam cev ntub dej, thiab rov stain lub taub nrog cov tin tshiab.
(8) Tom qab ua hauj lwm ntawm ib hnub, thaum tsis soldering, so lub taub hau ntawm lub soldering hlau huv si, ces rov stain lub taub hau nrog tshiab tin, muab tso rau ntawm lub soldering hlau sawv ntsug thiab tua lub hwj chim.
(9) Yog hais tias lub tin-stained nto tau oxidized thiab tsis tuaj yeem stained nrog tin, los yog cov oxide zaj duab xis yuav dub vim flux thiab tsis tuaj yeem tshem tawm nrog daim txhuam cev, maj mam so nws nrog 600-800 mesh sandpaper, thiab tom qab ntawd qhwv nws nrog tin hlau uas muaj flux Ua kom sov lub tinned nto uas tau muab so, thiab ces ntxiv tin dua tom qab cov tin contacts thiab melts.
