Mchanga wa keramik wa Sintered kwa Foundry
Vipengele
• Utunzi wa sehemu moja
• Usambazaji thabiti wa saizi ya nafaka na upenyezaji wa hewa
• Kinyume cha juu (1825°C)
• Upinzani wa juu wa kuvaa, kuponda na mshtuko wa joto
• Upanuzi mdogo wa joto
• Umiminiko bora na ufanisi wa kujaza kwa sababu ya kuwa na duara
• Kiwango cha juu zaidi cha urejeshaji katika mfumo wa kitanzi cha mchanga
Michakato ya Upatikanaji wa Mchanga wa Maombi
RCS (mchanga uliofunikwa na resin)
Mchakato wa mchanga wa sanduku la baridi
Mchakato wa mchanga wa uchapishaji wa 3D (Jumuisha resin ya Furan na resin ya phenolic ya PDB)
Mchakato wa mchanga wa resin isiyooka (Jumuisha resini ya Furan na resini ya alkali phenolic)
Mchakato wa uwekezaji/ Mchakato wa kutengeneza nta uliopotea/ Utoaji wa usahihi
Mchakato wa kupoteza uzito / Mchakato wa povu uliopotea
Mchakato wa glasi ya maji
Mali ya mchanga wa kauri
Sehemu kuu ya Kemikali | Al₂O₃ 70-75%, Fe₂O₃<4%, | Al₂O₃ 58-62%, Fe₂O₃<2%, | Al₂O₃ ≥50%, Fe₂O₃<3.5%, | Al₂O₃ ≥45%, Fe₂O₃<4%, |
Mchakato wa kuzalisha | Imeunganishwa | Sintered | Sintered | Sintered |
Umbo la Nafaka | Mviringo | Mviringo | Mviringo | Mviringo |
Mgawo wa Angular | ≤1.1 | ≤1.1 | ≤1.1 | ≤1.1 |
Ukubwa wa Sehemu | 45μm -2000μm | 45μm -2000μm | 45μm -2000μm | 45μm -2000μm |
Kinzani | ≥1800℃ | ≥1825℃ | ≥1790℃ | ≥1700℃ |
Wingi Wingi | 1.8-2.1 g/cm3 | 1.6-1.7 g/cm3 | 1.6-1.7 g/cm3 | 1.6-1.7 g/cm3 |
PH | 6.5-7.5 | 7.2 | 7.2 | 7.2 |
Maombi | Chuma, Chuma cha pua, Chuma | Chuma, Chuma cha pua, Chuma | Chuma cha kaboni, Chuma | Chuma, Alumini, Shaba |
Usambazaji wa Ukubwa wa Nafaka
Mesh | 20 | 30 | 40 | 50 | 70 | 100 | 140 | 200 | 270 | Panua | Mgawanyiko wa AFS |
μm | 850 | 600 | 425 | 300 | 212 | 150 | 106 | 75 | 53 | Panua | |
#400 | ≤5 | 15-35 | 35-65 | 10-25 | ≤8 | ≤2 | 40±5 | ||||
#500 | ≤5 | 0-15 | 25-40 | 25-45 | 10-20 | ≤10 | ≤5 | 50±5 | |||
#550 | ≤10 | 20-40 | 25-45 | 15-35 | ≤10 | ≤5 | 55±5 | ||||
#650 | ≤10 | 10-30 | 30-50 | 15-35 | 0-20 | ≤5 | ≤2 | 65±5 | |||
#750 | ≤10 | 5-30 | 25-50 | 20-40 | ≤10 | ≤5 | ≤2 | 75±5 | |||
#850 | ≤5 | 10-30 | 25-50 | 10-25 | ≤20 | ≤5 | ≤2 | 85±5 | |||
#950 | ≤2 | 10-25 | 10-25 | 35-60 | 10-25 | ≤10 | ≤2 | 95±5 |