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Failure Modes of machining center in Test Run

Journal of Donghua University(English Edition) 2014年第6期31卷 835-838页

作者：郝思文丛明韩玉婷李泳耀张建荣 Dalian Xinyu Science Technology Development center Co. Ltd. School of Mechanical Engineering Dalian University of Technology Faw Jiefang Automotive Co. Ltd.

To analysis the early failures of machining centers,the failure mode effect and criticality analysis( FMECA) method was used. Based on the failure data collected from production lines in test run,all the failure modes of machining centers were summarized and criticality of all subsystems is figured out. And the process of FMECA was improved. The most critical subsystem was manipulator subsystem. The most critical failure mode was impacted manipulator. Reasons and effect of some important failure modes were analyzed. And some suggestions to solve failures were given.

关键词： failure mode effect and criticality analysis(FMECA) machining center failure mode

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THE MODELING AND ANALYSIS OF GEOMETRIC ERROR FOR machining center BY HOMOGENEOUS COORDINATE TRANSFORMATION METHOD

THE MODELING AND ANALYSIS OF GEOMETRIC ERROR FOR MACHINING C...

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2006年中国机械工程学会年会暨中国工程院机械与运载工程学部首届年会

作者： Mutellip Ahmat Iliham Abduruyim School of Mechanical Engineering Xinjiang University

In this paper, the collectivity error transformation matrix from the tip of the cutting tool to the workbench is set up for TH6350 machining center, by based on this, the numerical model of the univer

关键词： machining center geometric error numerical modeling homogeneous coordinate transformation.

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Dynamic Importance Analysis of machining center

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Journal of Electronic Research and Application 2020年第3期4卷 10-15页

作者： Weihao Liu Jilin University ChangchunJilin ProvinceChina

As an important part of CNC machine tools,machining center’s reliability,efficiency and accuracy measure the machining level of a CNC machine ***,the research on the importance of CNC machine tools is particularly ***,as a complex mechanical and electrical equipment,the traditional reliability importance analysis method is too *** order to solve this problem,this passage proposes to establish the reliability model of each part of the machining center,and then analyze its dynamic importance,which improves the limitation of only reliability importance *** the analysis the reliability importance and criticality importance,and then rank the result of importance analysis,finally it can get that the ranking results of the key components accord with the fact,so the results can provide support for the importance research of machining center.

关键词： machining center Key components Reliability model Reliability importance Criticality importance

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“machining center”统一中文名称:自动换刀数控机床

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制造技术与机床 1973年第2期 73-73页

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Process analysis and parameter optimization of five axis NC machine for machining complex curved surface impellers

Process analysis and parameter optimization of five axis NC ...

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作者： Zhu Xiurong Wang Yue Jilin Engineering Normal University

This paper mainly introduces the whole process of machining technology and parameter setting of complex curved surface *** main blade and branch blade of the impeller are irregular curved *** thickness of the blade becomes thinner with the decrease of radius in radial *** flow passage between adjacent blades becomes narrower and *** height of the blade increases *** curvature is getting bigger and *** machining the impeller,the interference between the cutter and the adjacent blade is very *** choice of cutter,the speed of spindle,the feed speed,the amount of cutter and the machining allowance have a direct impact on the machining efficiency.

关键词： Five axis machining center Impeller Processing technology Parameter optimization

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PERFORMANCE IMPROVEMENT OF AUTONOMOUS FORM MEASURING DEVICE FOR FREE FORM SURFACES

PERFORMANCE IMPROVEMENT OF AUTONOMOUS FORM MEASURING DEVICE ...

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第二届亚洲机械电子学学术会议

作者： Hua QIU Department of Mechanical Engineering,Faculty of Engineering,Kyushu Sangyo University 2-3-1 Matsukadai,Higashi-ku,Fukuoka City,813-8503 Japan

This paper reports the author’s recent work to improve the measuring performance of the autonomous form measuring device developed previously,which is applicable to autonomously inspecting profiles of free form surfaces on a machining *** main improvements includes acceptation of a gap sensor to precisely detect the reference position along a canning line,an AC servo motor to smoothly perform the autonomous movement following the profile to be measured,and a new type of laser displacement detector to enhance the measurement capability to the different states of *** results of verification experiments with the new device sufficiently demonstrate the effectiveness of these improvements.

关键词： Autonomous form measurement Free form surface machining center Performance improvement

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ON-MACHINE MEASUREMENT AND ERROR COMPENSATION FOR TOUCH-TRIGGER PROBES

ON-MACHINE MEASUREMENT AND ERROR COMPENSATION FOR TOUCH-TRIG...

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第二届亚洲机械电子学学术会议

作者： Xiaoming Qlan~(a,*) Wenhu Ye~a Xiaomei Chen~b a Nanjing University of Aeronautics and Astronautics,Nanjing,210016,PR China b China Electronics Technology Group Corporation NO.14th Research Institute,Nanjing,210013,PR China

This paper advances a method to implement the on-machine measurement(OMM)with the touch-trigger probe,also called switching probes Some of the advantages and disadvantages for touch-trigger probe are ***,the touch-trigger probe errors exist and become one of the major errors for the measurement *** factors that influence the probe measurement have been *** basic technique of probe measurement error modeling with artificial neural network was researched, and also the probe measurement error compensation with 3-layered back-propagation artificial neural network was *** last in the experimental system composed of DIXI 50 machining center,Fanuc 16i control system,

关键词： On-machine measurement Error compensation Touch-trigger probe machining center

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