Complicated sand core removal and coring method
A kind of sand core and complex technology, which is applied in the field of complex sand core core removal and core removal, can solve the problems of poor crane stability, unusable sand core, sand core damage, etc., and achieves the effect of eliminating the risk of damage
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[0019] In order to more clearly describe the technical solutions of the embodiments of the present invention, the following will briefly introduce the drawings needed in the embodiments. Obviously, the drawings in the following description are some embodiments of the present invention. Ordinary technicians can obtain other drawings based on these drawings without creative work.
[0020] See figure 1 , figure 2 , The embodiment of the present invention provides a method for removing complex sand cores. A core box is made according to a prefabricated model. The core box includes an upper mold 10 and a lower mold 20 divided by a parting surface 30;
[0021] A number of internal screw holes are opened on the upper mold 10, and the several internal screw holes extend from the top of the upper mold 10 to the inside of the upper mold 10, and the low end of the internal screw holes communicates with the parting surface 30. The holes are evenly distributed on the upper mold 10;
[0022] Us...
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