He Whakarewa koura I roto i nga Taputapu Whakarewa koura
Te Rahi Parapara
| Ingoa Hua | MOMO | φ1 | φ2 | φ3 | H | KAUPAPA |
| 0.3kg Karapiti Karapa | BFG-0.3 | 50 | 18-25 | 29 | 59 | 15ml |
| 0.3kg Kiriata Kiriata | BFC-0.3 | 53 | 37 | 43 | 56 | ---------- |
| 0.7kg Karapiti Karapa | BFG-0.7 | 60 | 25-35 | 35 | 65 | 35ml |
| 0.7kg Kiriata Kiriata | BFC-0.7 | 67 | 47 | 49 | 63 | ---------- |
| 1kg Karapiti ipu | BFG-1 | 58 | 35 | 47 | 88 | 65ml |
| 1kg Kiriata Kiriata | BFC-1 | 69 | 49 | 57 | 87 | ---------- |
| 2kg Karawhite ipu para | BFG-2 | 65 | 44 | 58 | 110 | 135ml |
| 2kg Kiriata Kiriata | BFC-2 | 81 | 60 | 70 | 110 | ---------- |
| 2.5kg Graphite Crucible | BFG-2.5 | 65 | 44 | 58 | 126 | 165ml |
| 2.5kg Kiriata Kiriata | BFC-2.5 | 81 | 60 | 71 | 127.5 | ---------- |
| 3kgA Kawhata Karepe | BFG-3A | 78 | 50 | 65.5 | 110 | 175ml |
| 3kg He Roopu Kiriata | BFC-3A | 90 | 68 | 80 | 110 | ---------- |
| 3kgB Graphite Crucible | BFG-3B | 85 | 60 | 75 | 105 | 240ml |
| 3kgB Manga Kiriata | BFC-3B | 95 | 78 | 88 | 103 | ---------- |
| 4kg Graphite Crucible | BFG-4 | 85 | 60 | 75 | 130 | 300ml |
| 4kg Kiriata Kiriata | BFC-4 | 98 | 79 | 89 | 135 | ---------- |
| 5kg Graphite Crucible | BFG-5 | 100 | 69 | 89 | 130 | 400ml |
| 5kg te ringaringa kiripaka | BFC-5 | 118 | 90 | 110 | 135 | ---------- |
| 5.5kg Karawhite Karapa | BFG-5.5 | 105 | 70 | 89-90 | 150 | 500ml |
| 5.5kg Kiriata Kiriata | BFC-5.5 | 121 | 95 | 100 | 155 | ---------- |
| 6kg Graphite Crucible | BFG-6 | 110 | 79 | 97 | 174 | 750ml |
| 6kg te ringaringa kiripaka | BFC-6 | 125 | 100 | 112 | 173 | ---------- |
| 8kg Karapiti ipu | BFG-8 | 120 | 90 | 110 | 185 | 1000ml |
| 8kg te ringaringa kiripaka | BFC-8 | 140 | 112 | 130 | 185 | ---------- |
| 12kg Graphite Crucible | BFG-12 | 150 | 96 | 132 | 210 | 1300ml |
| 12kg Kiriata Kiriata | BFC-12 | 155 | 135 | 144 | 207 | ---------- |
| 16kg Graphite Crucible | BFG-16 | 160 | 106 | 142 | 215 | 1630ml |
| 16kg Kiriata Kiriata | BFC-16 | 175 | 145 | 162 | 212 | ---------- |
| 25kg Graphite Crucible | BFG-25 | 180 | 120 | 160 | 235 | 2317ml |
| 25kg Kiriata Kiriata | BFC-25 | 190 | 165 | 190 | 230 | ---------- |
| 30kg Graphite Crucible | BFG-30 | 220 | 190 | 220 | 260 | 6517ml |
| 30kg Kiriata Kiriata | BFC-30 | 243 | 224 | 243 | 260 | ---------- |
Ko te Utauta Whakamutunga mo te Tika me te Mauroa
Ina tae mai ki te whakarewa koura, ko te eke ki te taumata teitei o te parakore me te whai hua ka tiimata ma te kowhiri i te parapara tika.Ko nga karawhiu kauwhataKo te nuinga o te waa te mea pai ake na te pai o te kawe i te werawera, te tino parenga o te pāmahana, me te mauroa i roto i nga taiao-nui. Ahakoa kei te whakamahi koe i te koura mo te whakangao whakangao, te whakarewa ranei mo nga whakapaipai, ka hoatu e te graphite crucibles te wera me te roa e hiahiatia ana hei tu i te rewa koura o te 1064°C.
He aha te take e whiriwhiri ai i nga parapara karepe mo te whakarewa koura?
- Te Kawenga Wera Nui: Ko nga parapara kauwhata ka whakarite i te tohatoha wera tere me te rite, e tino whakaiti ana i te wa rewa.
- Te Atete Nui ki te Oxydation: Ka rewa te koura i te tino werawera, ka hangaia nga parapara kauwhata hei aukati i te waikura, kia roa ake te roa o te ora.
- Te Waihanga Atete: I te wa e pa ana ki nga konganuku utu nui penei i te koura, ma te whakamahi i te peera waipara-aukati ka whakarite kia iti te poke, ka whai hua nga hua whakamutunga.
- Te Kaha me te Mauroa: He kaha enei parapara, ka taea te tu atu i te wiri wera na te whakamahana me te whakamatao.
Tohunga Ngaio: Mena kei te rapu koe ki te whakanui ake i to kounga whakangao, ma te kowhiri i te parapara tika ka taea te rerekee. Mo nga mahi whakarewa,oumu whakauruka honoa ki te graphite crucibles e whakarato ana i te mana pāmahana tika, e pai ana mo te para koura me etahi atu konganuku utu nui.
Whakapaipai me te Whakahaere: Kia noho haumaru ai te kawe, ka whakakiia ia ipu ki roto i te pahukahu whakamarumaru me nga kaata plywood, hei aukati i te pakaru, i te abrasion ranei i te wa e tukuna ana.
Nga waahanga matua:
- Mata mau-atete
- He kaha ki nga kaha piko
- Te kawe wera nui
- He pai mo nga tono wera-nui, penei i te whakarewa koura me te whakamahine
Whakaaro Whakamutunga:
He tohunga taatau ki te whakarato i nga parapara teitei mo o hiahia rewa katoa me te whakarewa. Ko o maatau tohungatanga ki nga taputapu whakarewa ka whakarite kia whiwhi koe i nga hua i hangaia mo te mauroa me te pai, i tautokohia e te ratonga kaihoko-a-ahumahi. Ahakoa kei te rapu koe mo te rewa tino parakore, he parapara roa ranei, ka tukuna e a maatau hua nga mahi kore e rite mo te umanga whakarewa koura.
Kua rite ki te whakanui i to mahi whakarewa koura? Whakapaa mai ki a matou i tenei ra ki te ako atu mo te pehea e taea ai e a maatau graphite crucibles te whakarei ake i o mahi!
