Formwork production process for precision castings with complex deep-groove structures
A precision casting and deep groove technology, which is applied in the field of shell-making technology of precision castings with complex deep groove structures, and can solve problems such as running out of fire and iron inclusion in castings
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[0026] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0027] see figure 1 , the present invention provides a technical solution: a shell-making process for precision castings with complex deep groove structures, comprising the following steps:
[0028] Step 1, pressing the wax model (1) and cleaning the obtained wax model (1);
[0029] Step 2, prepare corundum powder slurry and maleic powder slurry respectively, take the cleaned wax model (1) and carry out multiple initial coats in sequence, sprinkle sand and fu...
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