Metal member casting technology
A technology of metal components and casting technology, which is applied in the direction of metal processing equipment, manufacturing tools, casting molding equipment, etc., and can solve problems such as complex deformation of casting shapes
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Embodiment 1
[0019] Embodiment 1: a metal component casting process, it comprises the steps:
[0020] (1) Manufacture pattern: After polishing the finalized metal components or the newly produced product model, wipe the surface with pure cotton cloth, and then apply Vaseline evenly on the surface;
[0021] (2) Silicone outer mold: a silicone rubber mold made of silicone rubber by multi-layer smearing or three-dimensional pouring with a pouring port reserved, and gypsum is used as a foil mold for the outside.
[0022] (3) Wax mold making: Melt the paraffin, pour it into the silicone mold through the sprue, and form a hollow paraffin mold after cooling;
[0023] (4) Modeling: a. Pour plaster into the inner cavity of the hollow paraffin wax model, and perform surface finishing after the inner cavity gypsum solidifies to make a solid paraffin wax model; b. According to the shape of the solid paraffin wax model, weld the pouring port and the solid paraffin wax model Riser system, and then atta...
Embodiment 2
[0027] A metal component casting process, which includes the process steps described in embodiment 1, wherein, in the step (2), external resin is used as a lining mold; the resin quartz sand is the resin quartz sand used in summer. The weight ratio is: 120 Obtain 100 parts of quartz sand, 1.6 parts of epoxy resin, and 0.7 parts of modified amine epoxy curing agent TDC-3361.
Embodiment 3
[0029] A metal component casting process, which includes the process steps described in embodiment 1, wherein, in step (2), external gypsum is used as a lining mold; the resin quartz sand is resin quartz sand used in winter. The weight ratio is: 100 Purpose 100 parts of quartz sand, 2.0 parts of epoxy resin, and 1 part of epoxy resin high temperature resistant curing agent TDC-308.
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