Manufacturing method of core for casting engine exhaust manifold
A casting sand and manufacturing method technology, which is applied in the direction of manufacturing tools, casting molding equipment, casting molds, etc., can solve the problems of long manufacturing cycle, complicated machining, high mold cost, etc., and achieve reduced manufacturing cycle, good strength and light weight Effect
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[0022] The present invention will be further described below in conjunction with specific embodiments.
[0023] The design of the mold of the specific embodiment of the present invention is as follows:
[0024] See figure 1 and figure 2 As shown, the sand core mold in the embodiment of the present invention includes an upper mold 1 and a lower mold 2. Both ends of the upper mold 1 are provided with a first sliding block 11 and a second sliding block 12, and both ends of the lower mold 2 are provided with a third sliding block. Block 21 and the fourth slider 22, the four sliders 11, 12, 21, 22 are used to fix the iron wire for strengthening the sand core, the four sliders 11, 12, 21, 22 are in contact with the grooves at both ends of the mold Cooperate.
[0025] See image 3 As shown, the largest section of the sand core is the parting surface of the mold, so the parting surface is a spatial curved surface; the mold opening method is up and down, and the upper mold 1 and the lower m...
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