Mold-casting molding method of automobile generator end cover

• Main Authors: JIN GUOPING, ZHOU HONGJIANG
• Format: Patent
• Language: Chinese; English
• Published: 27.04.2016
• Subjects: CASTING; CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES; PERFORMING OPERATIONS; POWDER METALLURGY; TRANSPORTING

The invention discloses a mold-casting molding method of an automobile generator end cover. The method comprises the following steps: (1) inspecting raw materials, a mold-casting machine and a mold; (2) preparing a mold cavity; (3) melting the raw materials; (4) injecting the raw materials into the mold cavity; (5) mold casting molding; (6) mold stripping and shaping. The surface of the automobile generator end cover has no cold shut, no crack and no peeling, and the casting characters are complete; the height of the round ejector pin print on the rabbet of the product is 0-0.5mm, the round ejector pin print of the inner cavity is lower than the low plane of the cavity by -0.5-0mm; and the end cover does not have sand bore. The cavity vacuumizing way is adopted, so as to effectively avoid defects due to incorporation of air, and the products do not have defects such as cold shut, sags and cracks, the surface quality is high, the comprehensive performance is excellent. In addition, the cycle period is short, a