lost foam casting

The filling form of regular flat plate model is divided in the front. In actual production, the structure of lost

When pouring the interface heat transfer coefficient, the heat exchange process between the casting and the mold begins from the

The model shown in Fig. 1 is made of two models with the same size and different density bonded by

The phenomenon that the mold wall displaces after the molten metal is poured into the lost foam casting mold is

Fig. 1 to Fig. 3 are isochronous graphs of liquid metal filling pattern of lost foam casting under different pouring

The outer circle diameter is 150mm, the inner circle diameter is 100mm, and the ring thickness is 20mm. The model

The external geometric dimension is 200mmx100mm, the internal geometric dimension is 150mmx50mm, and the thickness of the model is 20mm.

The test results are shown in the table: Pouring position Total mold filling time (s) Average filling speed (cm/s) Side

Lost foam casting is a special gravity casting. Because of the existence of foam solid shape in the cavity, it

Paint Total mold filling time (s) Average filling speed (cm/s) Low permeability coating 1.18 17.00 Medium permeability coating 1.14 17.54

The test results are shown in the table. Sprue height (mm) Total mold filling time (s) Average filling speed (cm/s)

The solidification process of castings includes phase change, heat and mass transfer, and the heat transfer phenomenon is in the

The test results are shown in the table. Pattern density (g/I) Total mold filling time (s) Average filling speed (cm/s)

In the filling process of liquid metal in gray iron lost foam casting, there is an air gap between the