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[CN 201811519858.3] Forging Method for Improving Material Utilization Rate of Hammer Core Forgings
[CN 201811519858.3] forging method capable of improving material utilization rate of hammer core forgings title: forging method capable of improving material utilization rate of hammer core forgings application number: CN 201811519858.3 applicant: Wuhan heavy industry casting and forging co., ltd. application date: 2018-12-12 patent type: invention application the present invention relates to a forging method capable of improving material utilization rate of hammer core forgings, using 23t steel ingot, hot cutting ingot tail, calcining, discharging, the hammer core ingot is upset to the traditional method for square drawing to 1000mm × 2260mm, and returned to the furnace. Calcination, discharge, clamp the hammer core blank, dislocation of the upper and lower flat anvils, place the hammer core blank at 1/2 position on the lower flat anvil, lightly step on the square edge at the junction of the end face and the side face of the hammer core blank, and press down and deform the square edge to produce smaller side drum convex material; The hammer core blank is turned over by the same method, the end faces of the other three square sides of the hammer core blank all produce smaller edge round drum type convex material; The traditional method is pressed down, and the hammer core blank produces medium round drum type convex material, and the rest is drawn to 880mm × 2780mm square for forming. By adopting the invention, the end face of the hammer core forging is relatively flat, and no obvious round drum-shaped convex material is formed, thereby improving the utilization rate of the hammer core forging material.
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