A high strength barrel forging process

By employing technologies such as billet pretreatment, digital modeling, gradient temperature control, and ultrasonic-pulse current coupling precision forging, the problems of billet defect expansion and uneven performance during forging have been solved, enabling the production of high-strength and high-stability tubes.

CN122400484APending Publication Date: 2026-07-17XIAN KUNLUN IND GRP
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
XIAN KUNLUN IND GRP
Filing Date
2026-04-21
Publication Date
2026-07-17

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Abstract

本发明涉及金属塑性加工技术领域，尤其涉及一种高强度身管锻造成型工艺，S1、锻造坯料预处理与数字化建模，S2、对坯料进行预锻，S3、对预锻坯料外壁塑性和深孔加工，S4、超声‑脉冲电流耦合径向精锻成型，同时与工艺参数进行比对，实现智能化控制，S5、梯度式冷却，S6、对身管进行精加工和热处理。通过坯料系统性探伤预处理，预锻环节针对厚薄壁区域实施差异化梯度温控，采用超声‑脉冲电流耦合径向精锻工艺，提高了身管的强度、冲击韧性、断裂韧性、组织均匀性、尺寸精度及疲劳寿命等。
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