Casting method of hollow crankshaft of slurry pump
A hollow crankshaft and mud pump technology, which is applied to casting molding equipment, molds, mold components, etc., can solve the problems of crankshaft eccentricity, uneven wall thickness of floating core, unreasonable riser setting, shrinkage and other problems, and achieves Improve the quality of castings, improve the qualified rate of flaw detection, and prevent the sand core from breaking or deforming
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[0058] Made F-1300 mud pump crankshaft, drawing number AH130101-02080001, produced a batch of serial numbers 12463, 12579, 12473, 12520, 12492, a total of 5 pieces, flaw detection report number: BOMCOJ69-MT-NA055-1301, flaw detection result: qualified.
[0059] The same production sequence number is 12384, 12476, a total of 2 pieces, flaw detection report number: BOMCOJ69-MT-NA025-1302, flaw detection result: qualified;
[0060] The production sequence number is 12557, 12537, a total of 2 pieces, flaw detection report number: BOMCOJ69-MT-NA030-1302, flaw detection result: qualified;
[0061] The production sequence number is 12531, 12555, a total of 2 pieces, flaw detection report number: BOMCOJ69-MT-NA031-1302, flaw detection result: qualified.
[0062] During the trial production process, the qualification rate of the crankshaft reached over 98%, which ensured the quality of the key main bearing parts of the mud pump.
[0063] The hollow crankshaft produced by the method of...
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