Abstract
During the die-cutting machine pressing process, the rising process of the moving platform is driven by the cam linkage mechanism, while the falling back relies on the self-weight of the moving platform. When the die-cutting speed reaches 100 RPM during the high-speed pressing process, the absolute time of the cam working cycle becomes shorter and the angular velocity and angular acceleration increase. When the gravitational acceleration is not enough to meet the demand of the acceleration of the moving table to fall back, the cam and the follower roller will be disconnected, which will cause rigid impact and obvious impact noise, affecting the quality of die-cut products and causing noise pollution to the environment. The cam linkage mechanism was changed to adopt conjugate cam drive, and the motion law of the follower was designed by applying B-sample curve and modeled in Adams for verification. It not only reduces the acceleration peak of the cam mechanism in high-speed operation, but also ensures the continuous leap curve. It also improves the productivity of the die-cutting machine while ensuring its transmission accuracy.
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Sun, JB., Fang, RM. (2024). Optimization Design of Cam Drive System for Die-Cutting Machine Based on B-Sample. In: Rui, X., Liu, C. (eds) Proceedings of the 2nd International Conference on Mechanical System Dynamics. ICMSD 2023. Lecture Notes in Mechanical Engineering. Springer, Singapore. https://doi.org/10.1007/978-981-99-8048-2_8
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DOI: https://doi.org/10.1007/978-981-99-8048-2_8
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