Precise low-pressure lost wax casting system
A technology of precision casting and low pressure casting machine, which is applied to casting molding equipment, casting molds, casting mold components, etc., can solve the problems of casting blowhole defects, too late to discharge, and molding sand collapse, etc., to reduce production costs, facilitate pouring, and ensure sealing effect of effect
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[0035] like Figure 1 to Figure 3 As shown, the low-pressure lost-wax investment casting system of the present invention includes a holding furnace 2 located in a low-pressure casting machine 1, a liquid riser 3 is inserted in the liquid phase space of the holding furnace 2, and the side wall of the gas phase space of the holding furnace 2 passes through an air inlet valve. V1 is connected to the compressed air pipe. The top of the liquid riser pipe 3 extends out of the holding furnace 2 and is located in the center hole of the workbench 1a of the low-pressure casting machine. A hoisting steel plate 6 is fixed above the workbench of the low-pressure casting machine, and the top of the hoisting steel plate 6 is fixed. There is a molding steel plate 7, a sand box 9 is fixed above the molding steel plate 7, the top of the sand box 9 is covered with a compression steel plate 10, and a compression device is pressed on the top of the compression steel plate 10, and the inner cavity c...
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