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A STEP-compliant process planning system for sheet metal parts

机译：符合STEP要求的钣金零件工艺计划系统

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摘要

Sheet metal product design, processes planning and manufacturing are normally carried out in a sequence of stages using different computer-aided software tools. There are many computer-aided design (CAD) systems to take care of product design, computer-aided process planning (CAPP) systems to generate optimal tool paths and plans and computer-aided manufacturing (CAM) systems for various manufacturing requirements such as punching or cutting. According to our literature search, there is no platform or system available that can efficiently integrate the CAPP and CAM and computer numerical control (CNC systems) in sheet metal product development processes. Although ISO 10303 AP207 was formally published by the ISO, its application is limited. This research attempts to develop a prototype STEP-compliant process planning system for sheet metal product development. The system has an interface to input CAD product data. It integrates software modules for nesting optimization, path optimization and planning, simulation, and machining parameters set-up and CNC machining. The focus of the paper is placed on the structure of the prototype STEP-compliant system, as well as the definition of STEP-compliant product data models and interfaces for creating a STEP-compliant programming environment, where the abovementioned software modules are integrated.
机译：钣金产品设计，工艺规划和制造通常使用不同的计算机辅助软件工具按阶段进行。有许多用于产品设计的计算机辅助设计（CAD）系统，用于生成最佳刀具路径和计划的计算机辅助过程计划（CAPP）系统以及用于各种制造要求（例如冲压）的计算机辅助制造（CAM）系统或切割。根据我们的文献搜索，没有可用的平台或系统将CAPP和CAM以及计算机数控（CNC系统）有效地集成到钣金产品开发过程中。尽管ISO 10303 AP207由ISO正式发布，但其应用受到限制。这项研究试图开发用于钣金产品开发的原型STEP兼容过程计划系统。该系统具有用于输入CAD产品数据的界面。它集成了用于嵌套优化，路径优化和计划，仿真以及加工参数设置和CNC加工的软件模块。本文的重点放在原型STEP兼容系统的结构上，以及STEP兼容产品数据模型和接口的定义上，这些模型和接口用于创建集成了上述软件模块的STEP兼容编程环境。

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