Yuav ua li cas los txhim kho cov efficiency ntawm cov hlau soldering (tin soldering)?
Cov qauv sab hauv ntawm cov hlau soldering yog lub hollow ceramic raj, ceramic raj winding fais fab hlau, ceramic raj tso rau hauv lub pas nrig tooj liab. Nyob rau hauv cov txheej txheem ntawm kev siv, cov cua sov los ntawm cov hluav taws xob xaim tsuas yog ib feem ntawm cov cua sov mus rau hauv lub plooj (porcelain raj), thiab cov porcelain raj yog tuab heev, yog li tsuas yog ib feem me me ntawm cov cua sov uas siv los ua kom sov lub pas nrig tooj liab, cov hlua hluav taws xob tsis yog. yooj yim rau dissipate tshav kub, feem ntau vim overheating thiab hlawv tawm.
Qee tus neeg yuav ua rau qhov kawg ntawm lub taub hau hlau mus rau hauv lub raj tooj liab, nrog mica rwb thaiv tsev, yuav tsum tau teem rau ntawm cov hlau hluav taws xob, kom qhov ua tau zoo ntawm cov hlau soldering ntau dua ob npaug, thiab txuas ntxiv lub neej ntawm cov hlau.
Ib txwm 45-watt soldering hlau tom qab hloov kho, nws cov cua sov sib npaug rau 100-watt soldering hlau, tuaj yeem ua haujlwm ntev mus ntev yam tsis muaj kev puas tsuaj.
Hauv qab no yog txoj kev hloov kho:
Cov lus qhia tshwj xeeb ntawm cov hlau alloy siv rau kev hloov kho yog pom nyob rau hauv lub rooj, thiab cov tub ntxhais cua sov yog qhia hauv daim duab. Yuav yog 10 hli txoj kab uas hla porcelain raj siv tau 5 watts ntawm 2000 ohm hlau-qhov txhab resistor nrog cov plooj (porcelain tube) xaus nrog lub log sib tsoo kom zom tawm ob grooves, ib kawg ntawm cov uas tseem yuav tsum tau ua hauv av tawm. , nrog ib txoj kab uas hla ntawm 0.2 hli hluav taws xob xaim nyob rau hauv cov grooves nyob ib ncig ntawm ob lub voj voog twisted raws li ib txoj kab hlau lead.
Kev ua haujlwm ntawm cov hluav taws xob cua sov xaim tuaj yeem suav tau raws li cov qauv hauv qab no (220 volt 45 watt soldering hlau ua piv txwv):
R=(U * U) ÷ P=(220 * 220) ÷ 45=1070 ohms
Qhov twg: R yog qhov tsis kam ntawm cov hluav taws xob cua sov hlau, ohms;
U yog cov khoom siv hluav taws xob, volts;
P yog lub zog ntawm cov hlau soldering, watts.
Kev suav cov mis rau kev ua haujlwm tam sim no ntawm cov hlau soldering yog: I=P ÷ U=45 ÷ 220=0.2 amps
Qhia qhov ua hauj lwm tam sim no ntawm cov hlau soldering, xyuas lub rooj los txiav txim siab txoj kab uas hla ntawm cov hlau kub
Rau kev ua haujlwm ntev, siv No. 39 Nichrome hlau. Vim tias cov txheej txheem cua sov nyob rau saum npoo ntawm cov xaim hluav taws xob muaj qhov cuam tshuam ntawm cov txheej txheem oxide, yog li hauv cov raj ceramic tuaj yeem ua ib txheej tuab tuab, ob qhov kawg ntawm cov hlau lead hauv ob peb zaug ntxiv ua rau nws. tsau.
Soldering hlau taub hau nrog ib tug pas nrig tooj liab raws li daim duab ntawm lub tsheb. Yuav raug mob nrog cov hluav taws xob zoo hluav taws xob cua sov hlau porcelain raj nrog lub thickness ntawm 0.1-0.2 hli mica daim ntawv qhwv hauv ib txheej, muab tso rau hauv lub taub hau ntawm cov hlau soldering, cov kab hlau lead nrog ib tug me me ceramic hlaws teeb, cov kab yuav coj tawm tias qhov kev hloov kho tiav.
