• CN：11-2187/TH
• ISSN：0577-6686

• 数字化设计与制造 •

### 局部几何特征急变类零件分区变参工艺制定方法

1. 大连理工大学精密与特种加工教育部重点实验室
• 出版日期:2015-06-15 发布日期:2015-06-15
• 基金资助:
国家自然科学基金青年科学基金(51205041)、高性能复杂制造国家重点实验室开放课题(Kfkt2013-06)、辽宁省教育厅重点实验室基础研究(LZ2014003)和中央高校基本科研业务费专项资金(DUT14QY25，DUT14RC(4)16)资助项目

### Sub-regional Process Method with Variable Parameters for Parts with Rapid Change of Local Geometric Feature

MA Jianwei, JIA Zhenyuan, WANG Fuji, WANG Ling, XU Qiang

1. Key Laboratory for Precision and Non-traditional Machining Technology of Ministry of Education, Dalian University of Technology
• Online:2015-06-15 Published:2015-06-15

Abstract: Parts with rapid change of local geometric feature are usually critical parts in high-end equipments, which are difficult or inefficient to process on account of the adoption of difficult-to-machine material and special structure. In this way, it cannot satisfy the rapid development of high-end equipments. As the development of NC process technology, the high efficiency NC machining technology for the parts with rapid change of local geometric feature becomes a popular and difficulty issue in the industrial field. Employing the constant machining parameter to process the parts with rapid change of local geometric feature wholly is less applicative because of the existence of rapid change of local geometric feature, which restricts the machining efficiency improvement of such parts. Aiming at the parts with rapid change of local geometric feature, the quick partition method based on the rapid change of local geometric feature for the CAD model of complex surface and the mathematical modeling of machining error based on the dynamic characteristics of machine tool for the functional structure are studied. A sub-regional process method with variable parameters for the parts with rapid change of local geometric feature is proposed. The serialized processing program is generated based on the continuous characteristics of machining region, and the parts with rapid change of local geometric feature can be processed precisely and efficiently with NC equipment. The research achievement provides a new machining process for the parts with rapid change of local geometric feature.