; Sand sintered sima mo fau ma atigi pusa malulu - Shenghuo

Sand sintered sima mo fau ma atigi pusa malulu

Fa'amatalaga Puupuu:

O le auala pusa malulu e faasino i se resini oneone faiga faiga e catalyzed / malo e ala i le feula i le kesi po o le aerosol, ma fausia vave i le potu vevela.O le auala masani o le triethylamine method, lea e faʻaaogaina ai le phenolic-urethane resin ma faʻamaʻaʻaina e ala i le sasaina o le triethylamine gas.O uiga o lenei faiga e: o le oneone autu e mafai ona faʻaaogaina mo se taimi umi, o le taimi e faʻapipiʻi ai e puʻupuʻu, o le gaosiga lelei e maualuga, ma le faʻaaogaina o le malosi e maualalo.


Fa'amatalaga Oloa

Faailoga o oloa

O le auala pusa malulu e faasino i se resini oneone faiga faiga e catalyzed / malo e ala i le feula i le kesi po o le aerosol, ma fausia vave i le potu vevela.O le auala masani o le triethylamine method, lea e faʻaaogaina ai le phenolic-urethane resin ma faʻamaʻaʻaina e ala i le sasaina o le triethylamine gas.O uiga o lenei faiga e: o le oneone autu e mafai ona faʻaaogaina mo se taimi umi, o le taimi e faʻapipiʻi ai e puʻupuʻu, o le gaosiga lelei e maualuga, ma le faʻaaogaina o le malosi e maualalo.

Diesel engine castings, e pei o poloka ogalaau, ulu ogalaau, intake ma paipa alu, ma isi, o nisi e i ai foliga lavelave autu ma vaega laiti vaega cross-sectional vaega, lea e faigofie i fana sese, gau, ma isi, po o veins e aliali i totonu o le. fa'amea ona o le fa'alauteleina tele o le oneone silica.O le avanoa o faaletonu e pei o le oneone pipii ma pores e matua maualuga foi.

Sintered-ceramic-sand-mo-foundry-ma-cold-core-box-(4)
Sintered-ceramic-sand-mo-foundry-ma-cold-core-pusa-(5)

O le faʻaaogaina o le oneone sima poʻo le faʻafefiloi o le oneone ma le silica oneone i le faʻatusatusaga, o le aofaʻi o le resini faʻaopoopo e faʻaititia e le 20-30%, ma o faʻaletonu o loʻo i luga ua faʻaleleia atili.I le taimi lava e tasi, o le oneone autu o loʻo i ai le paʻu lelei, lea e faʻaitiitia ai le mamafa o galuega o le faʻamamaina o le faʻamalo.O le i'uga, ua fa'aaogaina e le tele ma sili atu ma sili atu le fa'aputuina o afi afi tiso ua fa'aaogaina le tekonolosi pusa sima malulu.

Meatotino oneone Keramik

Vaega Vailaau Autu Al₂O₃≥53%, Fe₂O₃<4%, TiO₂<3%, SiO₂≤37%
Fuga o Saito Spherical
Coefficient Angular ≤1.1
Lapata'iga 45μm -2000μm
Fa'aleaogaina ≥1800℃
To'atele Tele 1.5-1.6 g/cm3
Fa'alauteleina o le vevela(RT-1200℃) 4.5-6.5x10-6/k
Lanu oneone
PH 6.6-7.3
Fa'asologa o minerale Mullite + Corundum
Tau ole acid <1 ml/50g
LOI <0.1%

Fa'atusatusa i isi su'ega oneone mata'utia ole fa'agasologa o pusa malulu

oneone Mata Resin Faaopoopo. 2h Malosi Tensile Gas Evolution
Sand Ceramic Sintered 1.5% 2.098 MPa 10.34 ml/g
oneone olo 1.5% 1.105MPa 13.4 ml/g
oneone tao 1.5% 1.088 MPa 12.9 ml/g
Sand Ceramic Sintered + Sand Sand 1.5% 1.815 MPa 12.5 ml/g
Sand Ceramic Sintered + Sand Tao 1.5% 1.851 MPa 12.35 ml/g
Chromite Sand + Sandona olo 1.5% 0.801 MPa 10.85 ml/g
Chromite Sand + Sandona Tao 1.5% 0.821 MPa 10.74 ml/g

Fa'atusatusa i Castings fa'aletonu fua o le fa'agasologa o pusa malulu

oneone Mata Veins Autu gau Sinter Choke Aofa'iga
Sand Ceramic Sintered 0% 2% 0% 0 2%
oneone olo 28% 12% 4% 3% 47%
oneone tao 24% 10% 3% 2% 39%
Sand Ceramic Sintered + Sand Sand 12% 4% 1% 2% 19%
Sand Ceramic Sintered + Sand Tao 7% 3% 2% 2% 14%
Chromite Sand + Sandona olo 13% 6% 5% 4% 28%
Chromite Sand + Sandona Tao 12% 4% 2% 2% 20%

Vaega o Fa'asoa Lapopo'a

E mafai ona fa'avasegaina le fa'asoaina o le lapopo'a e tusa ai ma lou mana'oga.

Mesh

20 30 40 50 70 100 140 200 270 Pan AFS

μm

850 600 425 300 212 150 106 75 53 Pan  
Code 40/70   ≤5 20-30 40-50 15-25 ≤8 ≤1       43±3
70/40   ≤5 15-25 40-50 20-30 ≤10 ≤2       46±3
50/100     ≤5 25-35 35-50 15-25 ≤6 ≤1     50±3
100/50     ≤5 15-25 35-50 25-35 ≤10 ≤1     55±3
70/140       ≤5 25-35 35-50 8-15 ≤5 ≤1   65±4
140/70       ≤5 15-35 35-50 20-25 ≤8 ≤2   70±5
100/200         ≤10 20-35 35-50 15-20 ≤10 ≤2 110±5

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