Process for producing nodular cast iron camshafts by means of iron-mold clamped sand molds
A technology of nodular cast iron and camshaft, which is applied in the direction of core, mold, and mold composition, can solve the problems of low strength and elongation, unqualified metallographic structure, low process yield, etc., and achieve strength and elongation High quality, qualified metallographic structure, and high process yield
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[0035] The process of producing ductile iron camshafts with sand molds in the iron mold of the present invention will be further described in detail below with reference to the accompanying drawings.
[0036] The process for producing nodular cast iron camshafts with iron molds and sand molds in the present invention uses gray cast iron casting special iron molds to produce special casting racks, placing the special iron molds on the special casting racks, and using a double-sided horizontal sand shooting molding machine to produce the film For sand sand molds, place ceramic filters and glass fiber filters in the sand molds, bond the left and right sand molds into a complete sand mold, place the sand molds one by one in the middle of the iron mold, and make the sand molds accurately embed in the cavity of the iron mold. The molten iron after chemical treatment is poured into sand molds one by one, and the castings are separated. The specific production process includes the followi...
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