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Article
A maintenance strategy selection method based on cloud DEMATEL-ANP
Maintenance strategy selection is an important step in maintenance management, which is the basis for implementing maintenance optimization and formulating specific maintenance schemes. This paper takes the me...
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Article
Reliability coupling mechanism analyses of T-rotation-type CMA with frame deformation in CNC machine tools
Due to the complex structure and diverse functions of the CNC machine tool, there may be structural interactions between contemporaneous meta-action (CMA), which will lead to reliability coupling of the CMA. A...
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Article
Time-varying comprehensive evaluation technology of CNC machine tool RMS based on improved ADC model
The quality of CNC (computer numerical control) machine tool is the key to the survival of manufacturing enterprises. How to comprehensively and accurately evaluate its quality is very important for the timely...
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Article
Meta-action-oriented collaborative allocation optimization for accuracy-related key quality characteristics of CNC machine tools
Accuracy-related key quality characteristics (ARKQCs), namely accuracy, accuracy stability, and accuracy retainability, are important performance indicators to characterize the machining accuracy of machine to...
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Article
Reliability coupling mechanism analyses of T-translation-type contemporaneous meta-action in CNC machine tools
In the process of reliability comprehensive evaluation based on meta-action theory, the structural interactions between contemporaneous meta-action (CMA) will have a great impact on the whole evaluation proces...
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Article
Toward an action-granularity-oriented modularization strategy for complex mechanical products using a hybrid GGA-CGA method
Modular technology is a mainstream industrial trend, especially in manufacturing transformation and upgrading. Modularization is fundamental in modular technology and plays an important role in modular product...
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Article
Condition-based maintenance strategy optimization of meta-action unit considering imperfect preventive maintenance based on Wiener process
With the popularization and application of technologies such as monitoring and sensing, the application of condition-based maintenance has become increasingly widespread. However, most traditional condition-ba...
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Article
An improving failure mode and effect analysis method for pallet exchange rack risk analysis
In order to enhance quality and reliability of mechanical and electrical products, the methods of taking corresponding corrective measures to eliminate or alleviate product failure in advance have been widely ...
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Article
Risk evaluation model for failure mode and effect analysis using intuitionistic fuzzy rough number approach
Failure mode and effect analysis (FMEA) is a multidisciplinary team-based reliability analysis tool used in a wide range of industries. However, the conventional FMEA technique has been criticized for some imp...
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Article
Early failure modeling and analysis of CNC machine tools
Frequent early failures are the key factors restricting the reliability improvement of CNC (computer numerical control) machine tools. In order to eliminate the early failures of CNC machine tools as much as p...
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Article
Early prediction method for assembly precision of mechanical system and assessment of precision reliability
Assembly precision is an important index, because it can ensure the quality of mechanical products and the final basis, and determine the overall performance of the products. In the early design stage, the pre...
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Article
A dynamic time-varying reliability model for linear guides considering wear degradation
This paper devotes to providing a dynamic reliability model for linear guideways for the whole life. Since a linear guide is always worn, the wear degradation of the linear guide is established. Moreover, the ...
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Article
Dynamic performance reliability analysis of rolling linear guide under parameter uncertainty
This paper presents a dynamic reliability analysis method of rolling linear guide considering the uncertainty of geometric parameters. A three degree of freedom (DOF) dynamic motion model of rolling linear gui...
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Article
Interface creep behavior of grouted anchors in clayey soils: effect of soil moisture condition
This study aims at investigating the influence of moisture conditions on interface shear behavior of element-grouted anchor specimens embedded in clayey soils. The tests involved comparatively short embedment ...
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Article
A failure mode and risk assessment method based on cloud model
Failure mode and effects analysis (FMEA) is a predictive reliability analysis technique, which is widely used to improve the reliability and safety of products in products design, manufacture and service phase...
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Article
Precision analysis for five-axis CNC milling machine based on meta-action units and integrated weights with Shannon entropy and AHP
Blisk of aerospace engine is one of the sophisticated key parts in the aviation, which is difficult to machine considering its structural and material properties. The present paper develops a five-axis CNC mil...
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Article
An early fault elimination method of computerized numerical control machine tools
Early faults of product have plagued many machine tool companies, especially middle-small enterprises limited by capital. To eliminate the early faults and improve the reliability of computerized numerical con...
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Chapter and Conference Paper
Study on Ball Screw Wear Model Considering the Influence of Abrasive Particles
Wear is the main cause of the failure of the ball screw pair, which seriously affects its accuracy and service life. Therefore, it is necessary to build and analyze the wear model of ball screw pairs based on ...
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Chapter and Conference Paper
Analysis and Elimination of Early Failure of CNC Grinding Machine
The problem of early failure of domestic CNC grinding machine is studied herein. Minitab is used to analyze the machine fault data collected, and the best fitting function about it is obtained. On the basis, t...
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Chapter and Conference Paper
Quality Characteristic Decoupling Method Based on Meta-Action Unit for CNC Machine Tool
Since CNC machine tool is a typical complicated electromechanical product with thousands of parts, it is very hard to design and control the whole machine’s quality characteristics because of the intricate co...
