1. Q: Vim li cas flux humidity yog qhov tseem ceeb hauv Submerged Arc Vuam (SAW)?
A:Moisture nyob rau hauv lub flux qhiahydrogenmus rau hauv lub pas dej ua ke. Thaum lub vuam txias, qhov no hydrogen tuaj yeem nkag mus thiab ua rauhydrogen{0}}induced cracking, tshwj xeeb tshaj yog nyob rau hauv thicker seem los yog siab dua -lub zog steels. Flux yuav tsum tau khaws cia kom zoo thiab ci raws li cov chaw tsim khoom tshwj xeeb ua ntej siv -2-10.
2. Q: Yuav ua li cas cov txheej txheem "tswj luv-circuit transfer" (STT) tau txais txiaj ntsig hauv paus hla vuam ntawm siab - lub zog yeeb nkab?
A:STT yog ib qho kev hloov kho GMAW uas yog tswj cov vuam tam sim no thaum lub sij hawm luv luv -circuiting. Nws muabsib npaug kub inputthiabzoo heev nkag mus tswjtsis muaj cua sov ntau dhau, ua rau nws zoo tagnrho rau qhib -gap root passes. Nws txo qhov tawg thiab qhov kev pheej hmoo ntawm kev kub hnyiab- los ntawm thaum tswj cov qib hydrogen tsawg, uas yog qhov tseem ceeb rau qib X80 -9.
3. Q: Weld "bead shape" yog dab tsi thiab vim li cas nws tseem ceeb?
A:Bead shape yog hais txog qhov profile thiab contour ntawm weld reinforcement. Lub hlaws zoo yuav tsum yog du, uniformly fused nrog lub hauv paus hlau, thiab tsis muaj irregularities xws li undercut los yog ntau convexity. Cov hlaws tsis zoo tuaj yeem tsimkev nyuaj siab concentration, ua rau tsis ua hauj lwm ntxov ntxov nyob rau hauv qaug zog los yog corrosive tej yam kev mob -4.
4. Q: Dab tsi yog qhov tseem ceeb welding tsis tswj thaum lub sij hawm tsim khoom?
A:Cov tsis tseem ceeb suav nrogwelding tam sim no (amperage) , arc zog, taug kev ceev, thiabcua sov input. Rau cov txheej txheem tshwj xeeb, lwm yam xws li electrode extension, oscillation, thiab shielding gas muaj pes tsawg leeg kuj tseem ceeb heev. Cov kev tsis raug tuaj yeem ua rau muaj qhov tsis xws luag xws li kev txiav, tsis muaj fusion, lossis kev nkag mus ntau dhau -1-2.
5. Q: Lub luag haujlwm ntawm "squeeze yob" hauv ERW txheej txheem yog dab tsi?
A:Cov chais plaub hau siv ib qho tshwj xeeb ntawm cov quab yuam kom coj ob lub qhov cua sov ntawm lub raj qhib ua ke, ua rau lawv mus rau hauv ib qho khoom ruaj - xeev daim ntawv cog lus. Covlub zog nyemyog qhov tseem ceeb; tsawg dhau ua rau tsis muaj fusion, thiab ntau dhau tuaj yeem tsim cov hlau tsis txaus siab (flash) lossis txawm tawg
