基于Labview的切削力数据采集和分析系统设计.doc

摘 要

随着切削加工向着高速、高精度、高度自动化方向发展，对切削过程的测试技术也提出了越来越

高的要求。为了使这些高度自动化加工设备充分发挥其优良性能，确保加工质量，提高生产效率，对

刀具加工过程进行测试就越来越重要。大量的研究结果表明，对于切削力的测量对金属切削研究起事

半功倍的作用。因此，对于切削加工数据采集和分析的研制显得由为重要。

本论文首先对数据采集现状，发展指出了传统过程数据采集方式存在的不足。探讨了虚拟仪器的

概念，框架结构，Labview开发平台，然后使用国家仪器公司(National Instrument)提供的软件平台

(LabVIEW)和美国NI Pxle 6388的数据采集卡搭建了基于虚拟仪器的切削力测量系统，并在Labview环

境下编写了切削加工数据采集和分析系统的程序，该程序实现了三通道切削力的采集和监测。并且实

ABSTRACT

High request was put forward for testing of cutting process along with cutting process is

developing to high speed,high precision and high automatization.In order to exert good

performance of high automatization equipment,ensure machining quality and prove manufacture

efficiency,it is more important to test for state of tool machining process.A lot of investigation

indicates that measuring the cutting force and cutting temperature rapidly and exactly can help to

research the metal cutting better.The data acquisition and processing system for cutting

processing have been very important.

For data acquisition in this paper the status quo, development,this paper pointed out the

shortcomings of the traditional data acquisition process.This paper probes into the concept of

the same time observe the system for a small force measurement, so as to verify accuracy and

stability of the system to collect data, and can be on the small force measurements.

By the researches of VI it was proved that this way of measuring is convenient, reliable, low

cost, and effective.

Keywords: Virtual instrument; machining ; The data collection ; LabVIEW

目 录

第一章 绪论 ....................................................1

1.1 课题背景...........................................................1

1.2 数据采集系统现状...................................................1

2.1.3 虚拟仪器测试系统的组成 .......................................7

2.1.4 虚拟仪器的开发语言............................................8

2.1.5 图形化虚拟仪器开发平台——LabVIEW.............................8

2.2 软件总体设计 .......................................................9

2.2.1 软件设计要求..................................................9

2.2.2 系统软件框架..................................................9

2.2.3 软件开发工具选择.............................................10

2.3 软件模块设计 ......................................................10

2.3.1 数据采集和存储模块设计.......................................10

2.3.2 数据读取和分析模块设计.......................................19

4.2 展望 ..............................................................32

致谢

参考文献

第一章 绪论

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