| 1. | Wear of electrode and surface forming quality in continuous spot welding of aluminum allays
铝合金连续点焊时电极烧损与焊点表面质量的变化规律 |
| 2. | The complete machine has good stability , convenient operation , low noise , good pore forming quality and high drilling efficiency
该机整机稳定性好，操作简便，噪音小，成孔质量好，钻进效率高。 |
| 3. | Springback is one of the important factors that influence the forming quality of blanks . many parameters influence the springback
回弹一直是影响型材拉弯成形质量的重要因素，影响拉弯回弹的因素很多。 |
| 4. | It is indicated that three - roll cross wedge rolling process has a distinct advantage in the forming quality of the center of rolled pieces
分析表明，三辊楔横轧轧制工艺在轧件心部成形质量上具有明显的优势。 |
| 5. | The line has the performance of high speed , top yield , low energy consumption , good forming quality of the fiber drum
本机组适用范围广，适用于聚丙烯高密度聚乙烯线性低密度聚乙烯等热塑性塑料的各种扁丝成型加工。 |
| 6. | With the development of numerical simulation technology of plastic forming , it is widely applied to analyze the process parameters that influence the forming quality
随着塑性成形有限元模拟技术的发展，使用有限元模拟技术分析工艺参数对成形质量的影响得到了越来越广泛的应用。 |
| 7. | Collapsible loess has a wide distribution in midwest china , which in some extent , impacts the subgrade construction and the forming quality of highway engineering ; this thesis explores corresponding construction strategies through mathematical analysis combined with practical experience summary
摘要湿陷性黄土国内中西部地区分布较广，给公路工程的路基施工和成形质量造成一定的影响；本文通过数理分析结合实践经验总结探索了相应的施工对策。 |
| 8. | Used as a computer aid nc tube bending process planning ( capp ) software in practice production of factory , nctbs system could control forming quality effectively . the design based on database technology enables the factory to accumulate the foundation process database scientifically and effectively ; promotes the quick - forming and quick - transforming production capacity of mass production
Nctbs系统可以推广到工厂的实际生产中作为数控弯管质量控制与优化的计算机辅助软件工具，基于数据库技术的设计使工厂可以高效科学地积累切实可用的基础性数据库，最终适应批量生产能力的快速形成和快速转化，具有较大的应用价值。 |
| 9. | In this dissertation , nc tube bending process has been researched by using 3d fem numerical simulation in conjunction with theoretical analysis . based on the database technology , the nc tube bending simulation system ( nctbs ) is developed in order to make this process systematize and standardize and to control forming quality effectively . a brief introduction to the project and its results obtained are as follows : a mechanical model corresponding to reality has been established through analyzing the stress of nc tube bending process
本文着重采用计算机数值模拟，并与理论分析相结合，对数控弯管进行了三维有限元模拟研究，同时自主开发了基于数据库技术的数控弯管仿真系统( nctbs ) ，初步实现了数控弯管从设计、仿真到数控生产的工艺规程系统化和规范化，对有效实现数控弯管工艺的质量控制具有重要意义。 |
