E7018 VUAM ROD yog cov tshuaj uas muaj roj tsawg, hlau hmoov roj hluav taws xob tsis zoo rau nws lub peev xwm los tsim cov ntawv thov tseem ceeb hauv cov ntawv thov tseem ceeb. Txawm li cas los xij, kev ua tiav cov kev ua tau zoo tshaj plaws nrog tus pas nrig no yuav tsum muaj tseeb amperage chaw. Xaiv qhov tseeb tam sim no yog qhov tseem ceeb kom ntseeg tau tias tsim nyog arc ruaj khov, nkag mus, thiab weld bead zoo. Hauv qab no, peb zom cov kev pom zoo kom zoo rau E7018 cov pas nrig, yam cuam tshuam kev hloov kho, thiab kev coj ua zoo rau cov neeg muab tshuaj tua tsiaj.
Pom zoo amperage los ntawm electrode lub taub
Qhov amperage rau E7018 electrodes nyob ntawm lawv lub cheeb. Ntawm no yog ib qho kev qhia dav dav:
| ROD INCH (INCHES) | Amperage ntau yam (DC rov qab polarity) |
|---|---|
| 1/8 "(3.2 hli) | 110–150 A |
| 5/32 "(4. {0 hli) | 140–190 A |
| 3/16 "(4.8 hli) | 180–250 A |
Cov ntawv tseem ceeb:
DC Rov qab polarity (DCEp): E7018 cov pas nrig tau tsim rau DC electrode zoo (dcep), uas muab tob tob nkag thiab smcet arc tswj.
Ac sib raug: Qee E7018 cov neeg sib txawv (piv txwv li, e 7018-1} lossis e7018ac) tuaj yeem tsim los ntawm 10-20% piv rau DC chaw.
Yam cuam tshuam kev hloov kho amperage
Thaum lub sijhawm dhau los ua ib lub hauv paus, cov mob tiag tiag feem ntau yuav tsum tau ua kom zoo:
Vuam txoj hauj lwm
Tiaj / Kab Rov tav: Siv qhov siab tshaj plaws ntawm cov ntau ntawm cov kev nkag mus nrawm dua thiab nkag mus zoo dua.
Ntsug / Nyiaj Siv Ua Haujlwm: Txo cov amperage los ntawm 10-15% kom tswj kev tswj hwm thiab tiv thaiv sagging.
Cov Khoom Thickness
Thicker hlau (piv txwv li, ½ "hlau hlau) tej zaum yuav tsum tau nce nqi ntxiv rau tag nrho cov kev nkag mus.
Cov ntaub ntawv nyias nyias (hauv qab ¼ ") tau txais txiaj ntsig los ntawm cov chaw qis kom tsis txhob hlawv-dhau.
Kev sib koom ua
Qhib-cov pob qij txha (piv txwv li, cov yeeb nkab vuam) feem ntau xav tau kev txo qis rau hauv paus.
Ntau ntau Welds ntawm cov tshooj tuab yuav pib ntawm nruab nrab-ntau yam amperage thiab nce ntxiv rau sau / cap hla.
Ib puag ncig ib puag ncig
Ib puag ncig txias yuav xav tau me ntsis siab dua amernage kom them nyiaj rau sai sai no tsis txaus ntseeg.
Kev coj ua zoo tshaj plaws rau kev khiav E7018 pas nrig
Preheat thaum tsim nyog
Rau cov ntaub ntawv tuab (tshaj ¾-¾-carbon hlau, preheat lub hauv paus hlau mus rau 200-300 degree F (93-149 degree) kom txo qis hydrogen cracking.
Tswj lub arc luv luv
Khaws lub arc nruj (1/8 "lossis tsawg dua) txhawm rau tiv thaiv porosity thiab ua kom ntseeg tau tias haum.
Lub kaum sab xis thiab taug kev nrawm
Siv 5-15 degree rub lub kaum ntse ntse rau tiaj tus / kab rov tav.
Nyob rau hauv ntsug-up vuam, ntiav me ntsis weave txheej txheem thiab kev ncig xyuas tsheb khiav ceev.
Cia thiab ziab
Khaws E7018 cov pas nrig hauv cov thawv ntim khoom lossis lub cub tawg (250-300 degree F / 121-149 degree) kom tiv thaiv kev nqus dej noo. Rov ua dua Dampen expired rods ua ntej siv.
Kev daws teeb meem nquag
Cov ntawv nplaum: Nce amperage me ntsis lossis kuaj xyuas kom haum polarity (dcher).
Ntau tshaj plaws lub ncauj lus: Txo cov amperage lossis kho lub arc ntev.
Pluag tsis zoo: Txheeb xyuas polarity thiab nce tam sim no nyob rau hauv cov kev pom zoo.
Vim li cas Amperage tseem ceeb rau E7018 kev ua yeeb yam
E7018 lub qis-hydrogen flux yuav tsum muaj kub kub kom ua kom nws cov roj tiv thaiv kev tiv thaiv thiab ua kom cov kev sib tw zoo. Under-Amping ua rau tsis tiav Fusion thiab Slag Inclusions, thaum dhau-amping cov kev pheej hmoo Hlawv li, thiab hydrogen khaws cia. Tawm tsam txoj cai kom ruaj khov:
Muaj cov khoom siv muaj zog (70, {1}}} psi tensile lub zog).
Minimal tom qab weld tsis xws luag (xws li, tawg, porosity).
Ua raws li cov lej lag luam kev lag luam (AWS D1.1, ASME BPVC).
Xaus: Precision Drives
Khiav E7018 cov pas nrig ntawm qhov tseeb amperage yog tsis muaj kev sib ceg rau lawv cov peev xwm tag nrho hauv cov txheej txheem, siab ua haujlwm, thiab hnyav fabrication ua haujlwm. Los ntawm adhering rau cov txheej txheem uas hla ciam teb thiab kho kom tsim cov pob qij txha ua tsis tau, cov pob qij txha muaj txiaj ntsig uas muaj cov xwm txheej hnyav. Nco ntsoov kuaj cov chaw ntawm seem cov khoom ua ntej, thiab nco ntsoov: hauv kev thov tseem ceeb, precision nrog E7018 tsis yog ib qho txuj ci-nws yog qhov kev nyab xeeb.
