Acoustic emission (AE) is a new method for cutting tool condition monitoring.
声发射是一种新的切削刀具状态的监测方法。
Tool condition monitoring is the key technique in automatic and unmanned machining process.
刀具状态监测是实现自动化加工和无人化加工的关键技术。
Taking off-line control test for example, the reliability of cutting tool condition identification of this monitoring system has been assessed.
并以离线控制试验为实例,考核该系统识别刀具状态的可靠性。
After a brief introduction the importance of tool condition monitoring, the paper derived the relationship between the spindle current and tool wear theoretically.
在简单介绍监测刀具状态的重要性的基础上,文章从理论上推导了主轴电流与刀具磨损量之间的关系式。
In order to improve cutting tool condition monitoring, a method of cutting tool fault diagnosis based on wavelet and artificial networks with relaxed structure is proposed in this paper.
为了有效的进行刀具状态监测,采用小波神经网络的松散型结合对刀具进行故障诊断。
This paper proposes a composite neural model for tool condition monitoring. It is composed with several neural networks and the number of neural networks is equal to the number of tool faults.
提出了一种用于刀具状态监测的复合神经网络模型,模型由多个神经网络组成,神经网络的数目等于要监测的刀具故障数目。
They are an important tool in system administration because they provide "forensic" evidence of the system's condition.
这是系统管理中的一个重要工具,因为他们提供系统状况的“可靠”证据。
It is the indispensable tool for diagnosing diseases of the eye, including glaucoma, and is used to screen for diabetic retinopathy, a condition in diabetics that can result in blindness.
它是诊断包括青光眼在内的眼部疾病的不可或缺的工具。除此之外,它还可以被用来拍摄到可以导致糖尿病人使失明的糖尿病视网膜病变情况。
A simple tool for identifying these problems early in labour is the partograph – a graph of the progress of labour and the maternal and fetal condition.
在分娩的早期发现难产问题的方法是通过产程图,即通过生产的进程图来监测母婴状态。
This is a very useful tool that allows the stylesheet writer to exclude completely certain elements, templates, or entire stylesheet modules from the transformation if an XPath condition is not met.
这是一种非常有用的工具,如果没有满足XPath条件,样式表作者可以通过该工具从转换中去掉某个完整的元素、模板或者整个样式表模块。
Also migration from a DBMS, which does not support condition handlers using automated tools such as the migration tool kit (MTK), naturally leaves big gaps in error coverage.
另外,如果应用程序是从一个不支持使用自动化工具(例如migrationtoolkit (mtk))的状况处理程序的DBMS中移植过来的,那么在错误覆盖方面自然会留下很大的空档。
It will be immoral on the condition that... is purely used as a tool of seeking profit.
如果把它单纯地看作是追求利益的工具,那么这将是不道德的。
The development of this system provide a convenient tool to research the flying condition and aircraft performance.
此系统的开发为研究飞机飞行状态与性能提供了比较直观方便的工具。
Can apply thousands of pounds tension to metal stock or welds in excellent condition, causing breakage, yet NO TOOL MARKS are left on the finish.
能在良好的条件下运用数千磅的压力于金属盘或焊接处,导致破坏,但在完成后却没有留下任何痕迹。
Through collecting vibration signal and analyzing it in the frequency domain in the condition of changing parameter cutting, a single self power spectrum is hard to detect tool breakage effectively.
在变切削参数的加工工况下,通过对振动信号的采集和频域处理,发现采用单一的自功率谱方法难以有效检测出刀片破损。
This paper researches on the tool wear condition monitoring by cutting sound signal and workpiece surface texture based on analysis of the relative situation.
本论文在分析现状的基础上,从切削声信号和工件表面纹理这两个方面对刀具磨损状态监测技术进行了研究。
Blind sources separation is a special and dominant tool for analyzing and processing signals blindly, which is promising in condition monitoring and fault diagnosis of machinery.
盲源分离是一个很有优势的盲信号分析与处理工具,在机械状态监测与故障诊断领域有较好的应用前景。
The operation condition of motor microcomputer-based protection was analyzed in this fault, and the current waveform in the course of starting was simulated using EMTP simulation tool.
分析了微机电动机保护装置在此次事故中的动作情况,并使用emtp仿真工具仿真电动机在自起动过程中的电流波形。
Blind sources separation is a special tool for analyzing and processing signals blindly, which is promising in condition monitoring and fault diagnosis of machinery.
盲源分离是一个很独特的盲信号分析与处理工具,在机械设备状态监测与故障诊断领域有较好的应用前景。
Among the various way to monitor the condition of cutting tool, the way through Acoustic Emission (AE) is a most promising method.
在对刀具切削状态进行监测的众多方法中,声发射方法是一种最有前途的方法。
Enlarging the clearance of gear shaping cutter can improve efficiently its cutting condition, the gear surface quality and tool life.
加大插齿刀后角可以有效改善插齿刀的切削条件,提高齿表面加工质量和延长刀具使用寿命。
Based on acoustic emission, power monitoring and improved neural network technology and using cutting tool monitoring software, the normal or abnormal condition of cutting tools can be identified.
以声发射、功率监控和改进的神经网络技术,借助刀具监控软件,识别刀具切削工作的正常和失效状态。
Therefore, it is necessary to regard actual social material living condition as the basic theoretical tool to make research of contemporary Chinese law and jurisprudence issues.
因此研究当下中国法学(法律)问题所需要的基础理论工具应当是将现实的社会物质生活条件作为其思考对象的基础理论工具。
Thus the structure and concrete production condition of expanding tool have been obtained to meet the refacing demands for the expanding tool by choosing suitable regulation methods.
得到了展成刀具结构和具体生产条件,选择适当的调整方法,可保证满足刀具重磨要求。
This paper derives the condition of realizing lapping tool well distributed wear and analyzes relative affecting factors.
得出了保证磨具均匀磨损的条件,分析了有关影响因素。
It also points out the adaptive condition of this tool, and tells about the role in perforating, fracture-distinguishing and cementing quality of Wells.
对仪器信号的影响因素及其测井应用进行了分析,指出了仪器的适用条件,阐述了其在射孔和裂缝识别以及固井质量评价中的作用。
The first kind of models can be used to on line identify the tool wear condition by using current signals.
对于第一种模型,可利用电流信号进行刀具磨损状态的在线识别;对于第二种模型,综合了时间因素的影响,可直接识别刀具磨损量。
Tool steel is generally purchased in the annealed condition. Sometimes it is necessary to rework a tool that has been hardened, and the tool must then be annealed. For.
退火。退火工艺的组成为把钢加热到一定温度并保持一段时间,通常再缓慢冷却。退火是为了产生均匀化从而建立起有一致的特有性质的标准均匀化组织。
This tool is in very good condition.
此工具的状况非常良好。
This tool is in very good condition.
此工具的状况非常良好。
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