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Development of an innovative autonomous machine tool for dynamic product planning

机译：开发用于动态产品计划的创新型自主机床

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摘要

In the area of machining, laborsaving and automation are comparatively realized mainly by the contribution of NC machine tools so far. However, conventional NC machine tools are not autonomous and intelligent because they don't have any feedback mechanisms during machining operations. Therefore, in order to realize dynamic product planning for an innovative autonomous machine tool, it is indispensable that machine tools have feedback mechanism to adapt cutting parameters to monitoring information. As a matter of course, it is needed for the mechanism to include a function of tool path generation in real time. Because the real time tool path generation can perform to change not only feed speed but also depth of cut during an operation. In this paper, digital copy milling system that can generate tool paths in real time is developed by applying the traditional copy milling principle. And also, machining strategy is proposed to adapt cutting parameters considering cutting load, and integrated into the digital copy milling. Feedback machining control can be realized using the digital copy milling system with the proposed machining strategy. Furthermore, in order to achieve dynamic product planning, an automatic function of product planning is added by customizing commercial CAD software. By using this automatic planning system, even in case of a cutting trouble, it is possible to reschedule product planning immediately. Autonomous machining based on dynamic product planning can enable to realize high flexibility and high durability in machining operations.
机译：在机械加工领域，到目前为止，主要是通过数控机床的贡献，可以比较节省劳力和实现自动化。但是，传统的数控机床不是自主的和智能的，因为它们在加工操作过程中没有任何反馈机制。因此，为了实现创新的自主机床的动态产品计划，机床具有反馈机制以使切削参数适应监控信息是必不可少的。当然，该机构需要包括实时生成刀具路径的功能。因为实时刀具路径生成不仅可以改变进给速度，而且可以改变操作过程中的切削深度。本文运用传统的仿形铣削原理，开发了可实时生成刀具轨迹的数字仿形铣削系统。同时，提出了一种考虑切削负荷来适应切削参数的加工策略，并将其集成到数字复制铣削中。使用具有建议的加工策略的数字仿形铣削系统可以实现反馈加工控制。此外，为了实现动态的产品计划，通过定制商业CAD软件添加了产品计划的自动功能。通过使用该自动计划系统，即使在裁切麻烦的情况下，也可以立即重新计划产品计划。基于动态产品计划的自主加工可以在加工操作中实现高灵活性和高耐用性。

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