Umu Kauwhata Electrode Mana Tonu RP Kōeke 550mm Diameter Nui
Tawhā Hangarau
| Tawhā | Wahi | Waeine | RP 550mm(22”) Raraunga |
| Diamita Ingoa | Hikohiko | mm(inihi) | 550 |
| Max Diameter | mm | 562 | |
| Min Diamita | mm | 556 | |
| Te Roa Ingoa | mm | 1800/2400 | |
| Max Roa | mm | 1900/2500 | |
| Min Roa | mm | 1700/2300 | |
| Max kiato o nāianei | KA/cm2 | 12-15 | |
| Te kaha kawe o naianei | A | 28000-36000 | |
| Ātete Tauwhāiti | Hikohiko | μΩm | 7.5-8.5 |
| Kouma | 5.8-6.5 | ||
| Te Kaha Toka | Hikohiko | Mpa | ≥8.5 |
| Kouma | ≥16.0 | ||
| Kōwae a Young | Hikohiko | Gpa | ≤9.3 |
| Kouma | ≤13.0 | ||
| Kiato Nui | Hikohiko | g/cm3 | 1.55-1.64 |
| Kouma | |||
| CTE | Hikohiko | ×10-6/℃ | ≤2.4 |
| Kouma | ≤2.0 | ||
| Ihirangi pungarehu | Hikohiko | % | ≤0.3 |
| Kouma | ≤0.3 |
FAKATOKANGA: Ko nga whakaritenga motuhake mo te rahi ka taea te tuku.
Nga Waahanga Hiko Kawhata I roto i te Hanga maitai
I roto i te ahumahi hanga maitai, ko te hiko hiko hiko (EAF) ko tetahi o nga tikanga tino whakamahia. Ko te whiriwhiri i te hiko kauwhata tika he mea nui mo tenei mahi. Ko nga hiko graphite RP (Regular Power) he whiriwhiri rongonui na te utu me te pai mo nga mahi oumu reo-waenga.
I te wa e whiriwhiri ana i nga hiko graphite RP, he maha nga mea nui hei whakaaro. Ko tetahi ko te diameter o te electrode, e tika ana mo te rahi o te oumu me nga whakaritenga whakaputa. Ko te karaehe o te electrode tetahi atu take; Ko nga hiko graphite RP te nuinga ka whakarōpūhia ki nga reanga e wha i runga i o raatau aukati hiko me te kaha flexible. Me whiriwhiri te auroro tika i runga i nga whakaritenga motuhake o te mahi oumu.
Raraunga Manakohia mo te Whakaorite i te Graphite Electrode Ki te Umu Arc Hiko
| Raukaha Umu (t) | Taone o Roto (m) | Raukaha Whakawhiti (MVA) | Diamita Hiko Kauwhata (mm) | ||
| UHP | HP | RP | |||
| 10 | 3.35 | 10 | 7.5 | 5 | 300/350 |
| 15 | 3.65 | 12 | 10 | 6 | 350 |
| 20 | 3.95 | 15 | 12 | 7.5 | 350/400 |
| 25 | 4.3 | 18 | 15 | 10 | 400 |
| 30 | 4.6 | 22 | 18 | 12 | 400/450 |
| 40 | 4.9 | 27 | 22 | 15 | 450 |
| 50 | 5.2 | 30 | 25 | 18 | 450 |
| 60 | 5.5 | 35 | 27 | 20 | 500 |
| 70 | 6.8 | 40 | 30 | 22 | 500 |
| 80 | 6.1 | 45 | 35 | 25 | 500 |
| 100 | 6.4 | 50 | 40 | 27 | 500 |
| 120 | 6.7 | 60 | 45 | 30 | 600 |
| 150 | 7 | 70 | 50 | 35 | 600 |
| 170 | 7.3 | 80 | 60 | --- | 600/700 |
| 200 | 7.6 | 100 | 70 | --- | 700 |
| 250 | 8.2 | 120 | --- | --- | 700 |
| 300 | 8.8 | 150 | --- | --- | |
Rangatira Kounga Mata
1.Ko nga hapa me nga kohao kia kaua e neke ake i te rua nga waahanga i runga i te mata hiko graphite, a ko nga hapa me te rahi o nga kohao kaore e whakaaetia kia nui atu i nga raraunga i te ripanga i raro nei.
2.Kare he kapiti whakawhiti i runga i te mata hiko.Mo te kapiti roa, ko tona roa kia kaua e neke ake i te 5% o te porowhita hiko kauwhata, me noho tona whanui i roto i te awhe 0.3-1.0mm.Ko nga raraunga kapiti roa kei raro i nga raraunga 0.3mm kia iti
3.Ko te whanui o te waahi taratara(pango) i runga i te mata hiko kauwhata kia kaua e iti iho i te 1/10 o te porowhita hiko kauwhata, me te roa o te waahi taratara(pango) ki runga i te 1/3 o te roanga hiko kauwhata. e kore e whakaaetia.
Raraunga Hapa Mata mo te Tutohi Hiko Kauwhata
| Diamita Ingoa | Raraunga Hapa(mm) | ||
| mm | inihi | Diamita(mm) | Hōhonu(mm) |
| 300-400 | 12-16 | 20–40 | 5–10 |
| 450-700 | 18-24 | 30–50 | 10–15 |
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