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Job and tool group scheduling for a machining center

机译:加工中心的作业和刀具组计划

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This paper seeks to determine a dynamic method for machining center scheduling based on two criteria simultaneously: a setup expenditure criterion and an average orders utility criterion. Each job has to be completed before a given due date. Adjusting the center for a job includes setting up a necessary fixture and tool switches in the magazine with limited capacity. Automatic technological grouping of jobs assures low setup time for transition from one job to another within a group. In this method, the concept of production intensity as a dynamic production process parameter is used. A software package allows scheduling for a medium quantity of jobs. The algorithm makes it possible to save those tools in the magazine that are used often, and to substitute tools that are seldom used. The result of software application is a set of non-dominant (non-improved) versions proposed to a user for making a final choice.
机译:本文力求同时基于两个标准(设置支出标准和平均订单效用标准)来确定加工中心调度的动态方法。每个工作必须在给定的截止日期之前完成。调整工作中心包括在容量有限的刀库中设置必要的夹具和工具开关。作业的自动技术分组可确保在组内从一个作业过渡到另一个作业所需的准备时间很短。在这种方法中,使用生产强度作为动态生产过程参数的概念。软件包允许调度中等数量的作业。该算法使得可以将那些经常使用的工具保存在刀库中,并替换很少使用的工具。软件应用的结果是向用户提出了一组非主导(非改进)版本,供用户做出最终选择。

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