Dab tsi peb yuav tsum paub txog "Tinning Rods"

Kev npaj thiab kev xav tau zoo ntawm tinning rods / strips

Tin qws, raws li lub npe implies uas yog qws solder, yog hu ua tin pas nrig kev lag luam. Feem ntau yog siv rau yoj soldering thiab immersion welding, yog tam sim no qhov loj tshaj plaws ntawm kev siv hluav taws xob solder ntau yam; ib qho me me kuj yog siv rau cov nplaim hluav taws xob los yog cov hlau welding ntawm cov qauv loj thiab cov welds ntev. Nws yog qhov tseem ceeb tshaj plaws thiab tseem ceeb ntawm cov khoom sib txuas rau txhua yam khoom siv hluav taws xob thiab hluav taws xob thiab kev siv thoob ntiaj teb txhua xyoo yog kwv yees li 100,000 tons.

Cov txheej txheem kev npaj ntawm tin sawb yog yooj yim, nrog rau batching, melting thiab casting, thiab cov degree ntawm oxidation thiab cov ntsiab lus ntawm hlau thiab tsis-hlau impurities yog nruj me ntsis tswj. Lub melting kub thiab casting kub muaj kev cuam tshuam zoo rau qhov zoo ntawm tin. Kev npaj ntawm tin strips yog qhov yooj yim thiab cov txheej txheem kev ua haujlwm tsawg, yog li kev sib tw yog qhov hnyav heev. Tus nqi tam sim no tsuas yog ntxiv tus nqi ua haujlwm meager rau tus nqi ntawm cov khoom siv raw. Thaum tus nqi ntawm cov khoom nyoos tin fluctuates sharply nyob rau hauv lub sij hawm luv luv, lub meager profit tej zaum yuav wiped tawm, los yog txawm ib tug poob.

Cov kev cai tseem ceeb rau qhov zoo ntawm tin sawb yog raws li nram no:

(1) Qhov saum npoo ntawm tin sawb yog du;

(2) Zoo fluidity thiab wettability thaum vuam;

(3) Zoo mechanical zog;

(4) Bright solder sib koom ua ke;

(5) Tsawg oxidation residue.

Cov teeb meem tshwm sim nyob rau saum npoo ntawm tin sawb yog paj me ntsis thiab npuas. Cov teeb meem no yog tshwm sim los ntawm kev tsim khoom thiab kev siv cov pwm. Piv txwv li, tsis muaj scraping nto thaum lub sij hawm tsim khoom, lub tshuab cua txias tsis zoo, thiab cov pwm tsis du, uas yuav ua rau cov teeb meem saum toj no. Qhov ua rau ntawm blistering yog txuam nrog huab cua uas nws tau ua. Cov neeg ua haujlwm tsim khoom siv cov tin bar, tsis txhob siv tes ncaj qha, cov dej noo ntawm tes yuav cuam tshuam qhov ci ntawm lub tin bar, tin bar version ntawm qhov zoo tshaj plaws siv cov ntawv yas, ob qho tib si tuaj yeem pom qhov ci, thiab tsis ntub. Thaum lub sij hawm cia ntev los yog qhov chaw cia yog ntub dhau lawm, yuav muaj ib txheej ntawm oxide nyob rau saum npoo ntawm cov tin sawb, uas tseem yuav ua rau lub ci ci ntawm cov tin sawb ploj, tab sis nws muaj me ntsis cuam tshuam rau kev siv cov nyhuv. .

Kev faib tawm ntawm tin strips:

Tin strips yog cais los ntawm kev tiv thaiv ib puag ncig, nrog rau cov hlau lead tin strips thiab cov hlau lead-dawb tin strips.

Tam sim no, feem ntau siv lead-free tin strips yog: tin tooj liab lead-dawb tin sawb (Sn99.3Cu0.7), tin silver tooj liab lead-free tin strip (Sn96.5Ag3.0Cu0.5), 0.3 silver lead- dawb tin sawb (Sn99Ag0.3Cu0.7), kub kub hom hlau lead-dawb tin sawb (SnSb).

Feem ntau siv lead tin electrode feem ntau suav nrog: 63/37 solder bar (Sn63 / Pb37), 60/40 solder bar (Sn60 / Pb40) thiab kub kub solder bar (400 degrees saum vuam).

Ntxiv nrog rau cov ntsiab lus tseem ceeb ntawm tin, lead, tooj liab, nyiaj, feem ntau muaj me me ntawm lwm cov ntsiab lus, xws li npib tsib xee, antimony, bismuth, hauv, tsis tshua muaj ntiaj teb thiab lwm yam.

Cov ntsiab lus micro alloy hauv tin sawb muaj kev cuam tshuam zoo rau lub cev thiab cov khoom siv ntawm cov tin sawb: bismuth tuaj yeem txo qhov kub ntawm cov tin sawb thiab txhim kho cov ntaub ntub dej thiab nthuav tawm, tab sis ntau dhau bismuth yuav txo tau lub neej qaug zog thiab plasticity ntawm solder. pob qij txha, thiab qhov tsim nyog ntawm bismuth yog li ntawm 0.2 ~ 1.5%. Ni tuaj yeem txhim kho cov khoom siv dag zog thiab qaug zog lub neej ntawm cov pob qij txha los ntawm kev hloov cov microstructure thiab refining cov nplej. Hauv kev tsim cov tshuaj lom neeg muaj pes tsawg leeg, tus tsim qauv pom tseeb cia siab tias cov tin sawb tuaj yeem ua tiav qhov kev pom zoo ntawm ntau yam ntawm kev ua tau zoo, xws li vuam kev ua tau zoo, melting kub, lub zog, plasticity thiab qaug zog lub neej, thiab lwm yam.

Yog tias koj txaus siab rau cov khoom lag luam tungsten carbide thiab xav paub ntau ntxiv thiab cov ntsiab lus, koj tuaj yeem tiv tauj peb hauv xov tooj lossis xa ntawv ntawm sab laug, lossis xa mus rau US MAIL hauv qab ntawm nplooj ntawv no.