Cold pendulum rolling precision forming method for part with thin wall and deep narrow groove

Abstract

The invention relates to cold pendulum rolling precision forming method for a part with a thin wall and a deep narrow groove. The cold pendulum rolling precision forming method is characterized by comprising the following steps that S1, a prefabricated blank is manufactured; S2, the prefabricated blank is placed on a cold pendulum rolling concave die, and a cold pendulum rolling head is placed above the prefabricated blank, wherein the cold pendulum rolling head is a rotary cone, a conical point of the cold pendulum rolling head is located at an intersection point position of the axis of a forge piece and an upper surface, a bus is matched with a bus of the deep narrow groove of the part, the cold pendulum rolling concave die is matched with the back surface of the deep narrow groove of the part, a distribution groove is formed in the middle of the cold pendulum rolling concave die cavity, a pendulum head supporting rod is arranged inside the cold pendulum rolling head, and a concave die ejecting rod is arranged in the cold swing concave die, and the concave die ejecting rod is designed at the bottom of the distribution groove; and S3, the pendulum head penetrates through the multi-pass deep narrow groove of the continuous local forming part, and the back surface of the deep narrow groove of the part is formed by the cold pendulum rolling concave die. According to the cold pendulum rolling precision forming method, insufficient filling and folding defects are effectively eliminated, meanwhile, the stress state of the die is effectively improved, the service life of the dieis prolonged, and therefore the part with the thin wall and the deep narrow groove can be smoothly perform cold pendulum rolling precision forming.

Description

technical field [0001] The invention relates to the technical field of processing and manufacturing thin-walled deep-narrow groove parts, and more specifically relates to a precision forming method for thin-walled deep-narrow groove parts by cold rotary rolling. Background technique [0002] With the rapid development of high-end equipment, there is a huge demand for high-performance complex parts. Thin-walled deep and narrow groove parts are key parts of high-end equipment, and their manufacturing accuracy and performance have an important impact on the service performance and service life of high-end equipment. Due to the thin wall and deep and narrow groove, it is difficult to form parts with thin wall, deep and narrow groove by traditional integral forging forming technology. At present, thin-walled deep and narrow groove parts are mainly produced by cutting. The cutting cycle is long, the production efficiency is low, the material utilization rate is low, and the prod...

AI Technical Summary

Problems solved by technology

The patent of the present invention proposes a precision forming method of thin-walled deep narrow groove parts by cold rotary rolling, which effectively solves the technical problems of cold rotary rolling precision forming of such parts

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