Ferrous hlau yog feem ntau-siv thiab feem ntau-welded hlau nyob rau hauv tag nrho cov hlau. Nyob rau hauv xyoo tsis ntev los no, nrog rau cov koob npe ntawm high-strength steel thiab ultra-high-strength steel, kev lag luam muaj cov kev xav tau ntau dua rau cov khoom siv vuam. Yog li ntawd, peb dov tawm ntau txheej txheem vuam platform tsom ntawm qhov vuam ntawm ferrous hlau.
1) Cold-arc welding: tsis tshua muaj cua sov input, haum rau lap vuam, nyias-phaj vuam thiab khoom hlau surfacing
Technical nta:
A. Tsawg cua sov input, seam zoo nkauj
B. Arc hlawv stale, ob peb spatter
C.Arc mos, molten pas dej ua ke calm
D.Cold-arc vuam yog DC vuam, ob qho tib si 80% Ar + 20% CO2 thiab 100% CO2 tuaj yeem siv
2) Cov hauv paus vuam: haum rau txhua txoj haujlwm hauv qab vuam, tshwj xeeb tshaj yog cov vuam ntawm cov kav dej hauv kev lag luam roj thiab tshuaj, thiab lwm yam
Technical parameters:
A.Tau qhov chaw ntawm TIG vuam los ua cov vuam vuam, thiab nws ceev yog 3-4 zaug ntawm TIG vuam
B.Heat input yuav raug tswj kom raug, zoo ib yam li TIG vuam
C.Ntxim qab heev, seam zoo nkauj
D. Nyob rau hauv lub hauv paus welding, vuam nqaij yog du, thiab backside ntawm vuam seam yuav tsis sunken, tab sis bulged.
E. Haum rau hlau-cored hlau thiab muag hlau
Pem hauv ntej sab ntawm cag vuam
Rov qab sab ntawm cag vuam
3) Vertical up welding: haum rau txhua yam ntawm txoj kab ntsug tuaj fillet vuam lossis npog vuam
Technical nta
A. Thaum tshav kub kub input yuav raug tswj kom raug
B.Ib tug spatters, ntshiab ripples tuaj yeem tsim tau
C.DC txias arc thiab hi-speed pulse arc ua haujlwm hloov, ua haujlwm zaus thiab lub voj voog ua haujlwm tuaj yeem teeb tsa ntawm nws tus kheej
D.Thaum ua hauj lwm zaus ntawm DC txias arc thiab hi-speed pulse arc yog 100Hz, koj tuaj yeem tau txais cov khoom siv tshiab-vuam-sib txuas arc vuam
E. Haum rau vuam ntawm nruab nrab / tuab phaj, tshwj xeeb tshaj yog cov vuam ntawm high-strength steel, ultra-siab zog steel
F.High ceev, zoo nkauj seam, zoo heev txo cov welder lub zog siv thiab txo cov kev xav tau
Base welding ntawm ob-pulse ntsug li vuam
Npog vuam ntawm ob-pulse ntsug li vuam
4) High-speed mem tes: haum rau txhua hom vuam
A.Suitable rau 0.8, 1.0, 1.2, 1.6mm muag / flux-cored hlau
B.Arc hlawv ruaj khov nyob rau hauv me me tam sim no, ruaj khov vuam tuaj yeem paub tau nrog 1.2mm hlau thiab 50A tam sim no
C. Sib sib zog nqus, ob peb spatter
D. Kev kub ceev, tsis muaj undercut
E.Can paub surfacing ntawm nickel-based, cobalt-based, hlau-raws li khoom / flux cored hlau
F. Nrog tag nrho cov haujlwm ntawm DSP (TG3)
Ib leeg-pulse kab rov tav fillet vuam rau carbon steel
5) High-speed pulse welding: haum rau txhua yam ntawm cov tiaj tiaj vuam, fillet weld, transverse weld
Technical parameter
A. Ob peb spatter, ripple zoo nkauj thiab meej
B. Muaj zog thiab tsis muaj zog mem tes hloov tau sai, arc suab kom meej
C. Kev kub ceev, tsis muaj undercut, tsis tshua muaj cua sov input
D.Suitable rau zoo meej vuam ntawm nruab nrab thiab tuab plat
Ob-pulse kab rov tav fillet vuam rau carbon steel
Ob-pulse kab rov tav fillet vuam rau stainless hlau