【摘要】 传统加工中心的刀具选配仅以满足加工点的需求为目的 ,没有考虑刀具的可调性和可代用性。本文从刀具的组成特点出发 ,提出了基于逻辑刀具的刀具选配方法 ,把某些可以归为一类的需求刀具用一个逻辑刀具来代替 ,通过集合覆盖方法求解逻辑刀具。在不同的加工工件之间 ,通过调整逻辑刀具的实例状态来满足数控程序中的刀具需求。基于逻辑刀具的刀具选配法 ,可有效减少刀具的准备数量 ,提高刀具利用率。本文介绍了有关概念及算法更多还原

【Abstract】 Conventional cutting tool preparing for a machine center in a workshop was done only for the need of the processing spot, but it does not consider the adjustability of a cutting tool and the replacement between two cutting tools. In this paper, a logical-tool-based cutting tool preparing(LTCTP) method for machine center is proposed. A logical tool refers to a certain class of demanded cutting tools in numerical control (NC) program and can be obtained using a method for set covering problem. In LTCTP, each demanded dimension is regarded as an instance of logical tool. LTCTP can improve the value of each tool type and reduce their stock amount. Detailed ideas and algorithms are presented in this paper.更多还原