Thermoforming, hole-punching and edge-cutting integrated technique and mold of high-duty steel part
A high-strength steel, hot forming technology, applied in the direction of forming tools, piercing tools, manufacturing tools, etc., can solve the problem that high-strength steel parts cannot be formed and punched, forming, trimming or punching can not be combined, and cannot be used Problems such as punching or edge trimming of high-strength sheet metal achieve the effects of shortening the production cycle, high dimensional accuracy and shape accuracy, and reducing floor space
Inactive Publication Date: 2009-07-22
SHANDONG UNIV
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The invention provides hot-forming, punching and edge-cutting integral technology and a hot-forming, punching and edge-cutting integral die for high strength steel parts. The integral technology comprises the following steps: arranging an edge-cutting and punching tool on a hot-forming die of the high strength steel parts; placing high strength steel plate materials which is heated to be completely austenized into the hot-forming die for punching before hot stamping forming of the high strength steel plate materials; utilizing the edge-cutting and punching tool on the hot-forming die to perform edge-cutting and punching operations on workpieces subjected to stamping after the hot-forming die is closed; cooling the hot-forming die after the operations are over; and utilizing die components which contact formed parts to quench the formed parts. The integral die comprises a forming convex die, a forming concave die, an upper punching tool, a lower punching tool, an upper edge-cutting tool and a lower edge-cutting tool. The integral technology and the integral die reduce the production cost of the hot-formed parts, and shorten the production period of the hot-formed parts; and the hot-formed parts have high edge-cutting and punching quality and high dimension precision and shape precision.
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