CNC Machine Fault Diagnosis Strategy and Maintenance

2013 ◽  
Vol 722 ◽  
pp. 228-232 ◽  
Author(s):  
Gui Xing Fu
Keyword(s):  
Fault Diagnosis ◽  
Machine Tools ◽  
Statistical Data ◽  
Correct Diagnosis ◽  
Cnc Machine Tools ◽  
Cnc Machine ◽  
Control Logic ◽  
Cnc Lathe ◽  
Relationship Of ◽  
Logic Relationship

This paper introduces the Control logic relationship of CNC lathe, and combines with statistical data to discuss about how to scene forensics and failure analysis. And it uses fault diagnosis skills Maintenance examples to illustrate how to think when face with the failure of the CNC machine tools, which has guiding significance to the implementation of a correct diagnosis and maintenance of CNC machine tools.

An Implementation of Intelligent CNC Machine Tools

2010 ◽  
Vol 44-47 ◽  
pp. 557-561 ◽  
Author(s):  
Chen Sheng Wang ◽  
Tjamme Wiegers ◽  
Joris S.M. Vergeest
Keyword(s):  
Machine Tool ◽  
Machine Tools ◽  
Tool Design ◽  
Cnc Machine Tools ◽  
Preliminary Evaluation ◽  
Machining Efficiency ◽  
Cnc Machine Tool ◽  
Cnc Machine ◽  
Machine Tool Design ◽  
Cnc Lathe

Improving the machining efficiency of CNC machine tools by introducing intelligence is now gaining more attention from both researchers and entrepreneurs. Based on the assessment of existing strategy of intelligent machine tool design, an implementation and preliminary evaluation of an intelligent CNC lathe has been reported in this paper. Techniques discussed in this paper are expected to benefit CNC machine tool researchers and designers in terms of the development of intelligent CNC machine tools.

Regional Variations in the Adoption of Computer-Numerically-Controlled Machine Tools by Small Engineering Firms: A Multivariate Analysis

1992 ◽  
Vol 24 (6) ◽  
pp. 887-902 ◽  
Author(s):  
P N O'Farrell ◽  
R P Oakey
Keyword(s):  
Regression Model ◽  
Machine Tools ◽  
Logistic Regression Model ◽  
Cnc Machine Tools ◽  
Cnc Machine ◽  
Cnc Lathe ◽  
Computer Numerically Controlled ◽  
Engineering Firms ◽  
South East England ◽  
Mechanical Engineering Firms

In this paper those factors that influence the adoption of computer-numerically-controlled (CNC) machine tools by small mechanical engineering firms in three regions: the South East of England, Scotland, and Wales are investigated. Evidence is presented on CNC machine adoption in the three regions. A logistic regression model of the probability of CNC lathe adoption is developed and a regression model of the data of first adoption is calibrated. Welsh firms recorded lower adoption probabilities than firms based in either South East England or Scotland; and Scottish companies adopted some two years earlier than companies in the other two regions.

Study on High-Grade CNC Machine Tool Wear Monitoring Methods and Experimental System

2012 ◽  
Vol 591-593 ◽  
pp. 1844-1848
Author(s):  
Min Huang ◽  
Xiu Li Liu ◽  
Le Yan
Keyword(s):  
Fault Diagnosis ◽  
Tool Wear ◽  
Machine Tools ◽  
High Speed ◽  
Experimental System ◽  
Milling Process ◽  
Test Method ◽  
Cnc Machine Tools ◽  
Cnc Machine ◽  
Monitoring Methods

Today, CNC machine tools are moving in the high-speed, high precision, heavy and complex processing of direction, leading to early failure in service due to machine performance, if not timely diagnosis and early warning, will result in waste increases, fluctuations in the quality, productivity decline.Therefore, to ensure reliable operation of CNC machine tools is very important.To build fault diagnosis of CNC machine tools and get test method as the goal, the tool wear experiments are carried out. Signals for cutting tool with different wear in milling process are detected，acquisited and analyzed through vibration sensors and acoustic emission sensors on the milling tools. To LabVIEW8.6 as development platform, a fault diagnosis experimental system of CNC machine tools is developed, including data acquisition module, signal analysis module, fault diagnosis module.

Research on Fault Diagnosis for Bearing of CNC Machine Tools

2012 ◽  
Vol 605-607 ◽  
pp. 713-717
Author(s):  
Bang Cheng Zhang ◽  
Xiao Jing Yin ◽  
Zhi Jie Zhou ◽  
Yu Ling Zhang
Keyword(s):  
Fault Diagnosis ◽  
Machine Tools ◽  
Cnc Machine Tools ◽  
Machining Efficiency ◽  
Bearing Failure ◽  
Analysis Method ◽  
Cnc Machine ◽  
Transmission Part ◽  
Machine Work ◽  
Reliable Basis

For the use of CNC machine tools is more and more extensive, its fault diagnosis research is becoming more and more important. Failure forms are diversified, and fault reasons are very complicated. Once bearing that is an important transmission part is in fault, the machining efficiency will decrease and affect process accuracy, even make the machine work abnormally. This paper presents a deep analysis of bearing failure mechanism using the wavelet analysis method identify its failure, specially the motor and transmission machine bearing, which provides reliable basis for fault diagnosis and forecast.

Design and Implementation of Online Monitoring and Remote Diagnostic System for CNC Machine Tools

2013 ◽  
Vol 819 ◽  
pp. 136-139
Author(s):  
Lu Yang Jing ◽  
Tai Yong Wang ◽  
Dong Xiang Chen ◽  
Jing Xiang Fang
Keyword(s):  
Fault Diagnosis ◽  
Real Time ◽  
Machine Tools ◽  
Online Monitoring ◽  
Acquisition System ◽  
Cnc Machine Tools ◽  
Cnc Machine ◽  
Diagnosis System ◽  
Fault Diagnosis System ◽  
Remote Fault Diagnosis

With the development of network technology and fault diagnosis technology, monitoring and diagnosis methods for the CNC machine tools had a great change. In this paper, an online monitoring and remote diagnosis system for CNC machine tools was built. The system was consisted of the multi-channel online acquisition system and remote fault diagnosis system. The online acquisition system achieved a real-time monitoring for CNC machine tools. The remote fault diagnosis system provided the management of devices and assistant for experts to analyze data which was uploaded from acquisition system. The system offered real-time state information of CNC machine tools and reduced downtime of machine effectively.

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