Revealing the working principle of foam molds for refrigerator and freezer boxes

　　1.Working environment:Temperature between 00C and 450C,relative humidity not exceeding 90%.

　　2.The working pressure of the core pulling mechanism cylinder(air source pressure):0.5MPa~0.7MPa.

　　3.Electric heating system:voltage 220V or 380V,frequency 50Hz.

　　4.Water circulation heating system:Water temperature 500C~700C,pressure≥0.05MPa.

　　5.Mold working temperature:400C~600C.

　　6.Breathing hole:diameterφ3mm~φ4mm,quantity 4-6.

　　7.Surface roughness requirement for mold forming:Ra≤1.6mm.

　　8.Mold material:Cast aluminum alloy ZL105,LY12.

　　9.Mold wall thickness:≥15mm.

　　10.The gap between the mold and the product is≥0.5mm.