Precoated sand mold for bucket tooth
A technology of coated sand and bucket teeth, which is used in manufacturing tools, casting equipment, molds, etc., to improve the yield, reduce the amount of machining, and save materials and labor.
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[0034] In order to further illustrate the technical solution of the present invention, the specific embodiments of the present invention will now be described with reference to the accompanying drawings, such as Figure 1 to Figure 8 According to the design drawings of the bucket teeth, in this example, the bucket teeth used for 360 excavators are used as an example. The outline size of the bucket teeth is enlarged by 8-12 mm to make the tooth coated sand mold. In this example, the horizontal center of the bucket teeth is selected. The plane is used as the parting surface for casting, and the parting surface is the boundary. In order to improve work efficiency, in this example, each set of molds is used to simultaneously make the sand shell and the entire sand core of the upper and lower half of the bucket tooth; The film sand mold is centered on the parting surface of the sand core of the bucket teeth. The upper mold 1 and the lower mold 2, as well as the marking block 3, the s...
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