Analysis of Dynamic Parameter for Gantry Mobile-Type Dual-Drive Machine

IF 1 Q4 ENGINEERING, MANUFACTURING Journal of Micro and Nano-Manufacturing Pub Date : 2022-06-27 DOI:10.1115/msec2022-85526

Min Hu, Hong Lu, Qi Liu, Jiashun Dai, Ben Wang, Shaojun Wang

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Abstract

Due to the principle of driving at gravity center (DGC), Gantry mobile-type dual-drive machines (GMDMs) are widely used in automatic equipment. The dynamic characteristics of GMDMs have a large influence on the machining quality, efficiency and processing performance of the machine tool. According to the existing research on the dynamic characteristics of GMDMs, it can be found that the dynamic characteristics of the machine tool can be influenced by the feed parameters. So, combined with the research content of the subject, the influence of feed speed on the dynamic characteristics of machine tools under different accelerations is studied. In this paper, based on the law of conservation energy, the dynamic model of GMDMs is established. Then, the accuracy and correctness of the dynamic model are verified through theoretical calculations combined with static hammering experiments, this can provide strong theoretical support for subsequent experiments. And the influence of feed speed under different motor acceleration on the dynamic characteristics of the dual-drive system was studied by two experiments. This study provides a method for analyzing the effect of the feed parameters on the dynamic characteristics of the machine tool under different accelerations.

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龙门移动式双驱动机床的动态参数分析

龙门移动式双驱动机床由于采用重心驱动原理，在自动化设备中得到了广泛的应用。gmdm的动态特性对机床的加工质量、效率和加工性能有很大的影响。根据现有的gmdm动态特性研究，可以发现机床的动态特性会受到进给参数的影响。因此，结合本课题的研究内容，研究了不同加速度下进给速度对机床动态特性的影响。基于能量守恒定律，建立了gmdm的动力学模型。然后，通过理论计算结合静锤试验验证动态模型的准确性和正确性，为后续试验提供有力的理论支持。通过两组实验研究了不同电机加速度下进给速度对双驱动系统动态特性的影响。该研究为分析不同加速度下进给参数对机床动态特性的影响提供了一种方法。

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来源期刊

Journal of Micro and Nano-Manufacturing ENGINEERING, MANUFACTURING-

CiteScore

2.70

自引率

0.00%

发文量

期刊介绍： The Journal of Micro and Nano-Manufacturing provides a forum for the rapid dissemination of original theoretical and applied research in the areas of micro- and nano-manufacturing that are related to process innovation, accuracy, and precision, throughput enhancement, material utilization, compact equipment development, environmental and life-cycle analysis, and predictive modeling of manufacturing processes with feature sizes less than one hundred micrometers. Papers addressing special needs in emerging areas, such as biomedical devices, drug manufacturing, water and energy, are also encouraged. Areas of interest including, but not limited to: Unit micro- and nano-manufacturing processes; Hybrid manufacturing processes combining bottom-up and top-down processes; Hybrid manufacturing processes utilizing various energy sources (optical, mechanical, electrical, solar, etc.) to achieve multi-scale features and resolution; High-throughput micro- and nano-manufacturing processes; Equipment development; Predictive modeling and simulation of materials and/or systems enabling point-of-need or scaled-up micro- and nano-manufacturing; Metrology at the micro- and nano-scales over large areas; Sensors and sensor integration; Design algorithms for multi-scale manufacturing; Life cycle analysis; Logistics and material handling related to micro- and nano-manufacturing.