Ntev npaum li cas yuav tsum ntsuas qhov ntsuas kub tom qab siv qhov kub thiab txias 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 -215 degree (txog 361℉-419℉)
Ua haujlwm kub li 270 degree -320 degree (li 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.
