锻压技术

大锻件尺寸在线测量技术的研究

英文标题：Research on on-line dimension measurement of heavy forging

分类号：

出版年,卷(期):页码：2015,40(1):7-13

摘要：

大锻件尺寸测量是大型锻件生产中的重要环节。大锻件在锻造过程中的精确测量对提高锻件的质量和加工效率以及材料的利用率具有十分重要的意义。传统的接触式测量技术已经满足不了现代工业化的需求，而非接触式测量技术以其快速、准确的特点得到了迅速的发展。介绍了机械式测量方法、基于激光的测量方法、基于CCD的视觉测量方法以及基于结构光的视觉测量方法，分析了各种方法的适用性和优缺点，并提出了一种基于线结构光的CCD相机扫描法。最后对高温大锻件尺寸在线测量的现状进行了总结。

Dimension measuring is a crucial part in heavy forging processing. In the process of forging and machining, accurate measurement of heavy forging is of great significance for improving quality and efficiency and reducing material machining allowance. Traditional contact measurement technology cannot be satisfied with the requirement of current industry. Non-contact measurement technology has been developed rapidly due to its characteristics of fast and accuracy. The mechanical measurement, the measurement by laser, the vision measurement by CCD and structured light were reviewed. The advantages, disadvantages and applications of each method were analyzed. A new method by linear structured light and CCD camera scan was presented. At last, the current situation of on-line dimension measurement of heavy forging was summarized.

基金项目：

上海市引进技术的吸收与创新年度计划项目（13XI-03）；“中央高校基本科研业务费专项资金”项目资助

杨延竹（1976-），男，博士，副教授

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