Whakaatu Hua

UHP GRAPHITE ELECTRODE - Te Whakaaetanga Hiko Iti, Te Tino Nui
Whakaahuatanga Poto:

Ko te UHP graphite electrode te nuinga e whakamahia ana mo nga oumu arc hiko ultra teitei me te kiato o naianei nui atu i te 25 A/cm2.

Tiri:

Nga Taipitopito Hua

HUA Whakaahuatanga

 

Ka whakamahia te UHP graphite electrode mo te hangarua o te maitai i roto i te ahumahi oumu arc hiko. Ko tana whakauru matua he tiihi ngira utu nui he mea hanga mai i te hinu, i te ta waro ranei. Ka oti nga hiko kawhata ki te hanga porotakaro me te miihini ki nga waahi miro i ia pito. Ma tenei ara, ka taea te whakahiato i nga hiko kauwhata ki roto i te pou hiko ma te whakamahi i te nipple electrode.

 

I roto i te tikanga ki te whakatutuki i te whakaritenga o te kakama mahi teitei, me te utu tapeke iti, kaha nui ultra-tiketike mana arc oumu kei te haere ake me te rongonui. Na tenei, ko nga hiko kauwhata UHP me nga diameter neke atu i te 500 mm ka rangatira te maakete.

 

HUA Āhuahira

 

● Ka mau i nga ia nui, te tere o te rere.
● He pai te ahua o te ahua, ehara i te mea ngawari ki te whakarereke.
● He ātete ki te pakaru me te pakaru.
● Te ātete teitei ki te hāoratanga me te ru werawera.
● Te kaha miihini teitei, te iti o te aukati hiko.
● Te tika o te miihini teitei, te pai o te whakaoti mata.

 

HUA Taupānga

 

Kei te whakamahia nuitia nga electrodes graphite mo te hanga o nga maitai koranu, whakarewa me etahi atu mea kore konganuku, aha atu.

● Te oumu arc hiko DC.
● AC hiko arc oumu.
● Umu pewa kua rukuhia.
● Umu koko.

 

HUA WHAKAATU

 

  • Ko te oumu hiko e pa ana ki raro

  • Te hiko kauwhata mo te oumu mokohau

  • Te hiko kauwhata mo te oumu pewa hiko

HUA Whakatakotoranga

 

Ripanga 1: Whakaritenga Hangarau mo te UHP Graphite Electrode

Ae.
(inihi)

Ātete
(≤, µΩ·m)

Kiato
(≥, g/cm3)

Te Kaha Takahuri
(≥, MPa)

Kōwae Elastic
(≤, GPa)

Ihirangi pungarehu
(≤, %)

CTE
(100 °C – 600 °C)
(≤, 10-6/°C)

Uta o naianei
(A)

Kiato o naianei
(A/cm2)

10

5.5

1.67

11

14

0.3

1.5

8100–12200

20–30

12

5.5

1.67

11

14

0.3

1.5

15000–22000

20–30

14

5.5

1.67

11

14

0.3

1.5

20000–30000

20–30

16

5.5

1.67

11

14

0.3

1.5

25000–40000

19–30

18

5.5

1.66

11

14

0.3

1.5

32000–45000

19–27

20

5.5

1.66

11

14

0.3

1.4

38000–55000

18–27

22

5.5

1.66

11

14

0.3

1.4

42000–66000

17–26

24

5.5

1.66

11

14

0.3

1.4

49000–76000

17–26

 

Ripanga 2: Graphite Electrode Rahi & Whakaaetanga

Diamita (mm)

Roa (mm)

Diamita Ingoa

Diamita Tuturu

Te Roa Ingoa

Te manawanui

Roa Poto

(inihi)

(mm)

(mōrahi)

(min.)

(wahi taratara)

10

250

256

251

248

1600/1800

±100

-275

12

300

307

302

299

1600/1800

14

350

357

352

349

1600/1800

16

400

409

403

400

1600/1800/2000/2200

18

450

460

454

451

1600/1800/2000/2200

20

500

511

505

502

1800/2000/2200/2400

22

550

562

556

553

1800/2000/2200/2400

24

600

613

607

604

2000/2200/2400

 

HUA Kounga Mata

 

● Kia iti iho i te rua nga hapa, nga kohao ranei i runga i te mata hiko, ko te rahi o te rahi e whakahuahia ana i te tūtohi i raro nei.
● Kia kaua he kapiti whakawhiti i runga i te mata hiko. Mo te kapiti roa, me iti iho te roa i te 5% o te porowhita hiko me te whanui kia 0.3 ki te 1.0 mm.
● Ko te whanui o te waahi pango i runga i te mata hiko kia iti iho i te 1/10 o te porowhita hiko me te roa kia iti iho i te 1/3 o te hiko.

 

WhakatakotorangaHanga Koha

Diamita Ingoa o te Hiko Kawhata (mm)

300–400

450–600

Diamita (mm)

20–40
(< 20 mm me iti)

30–50
(<30 mm me iti)

Hohonu (mm)

5–10
(<5 mm me iti)

10–15
(< 10 mm me iti)

 

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