20 Result(s)
within
Engineering
Industrial and Production Engineering
**yang Zhou
Article
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Article
3D Numerical simulation method of electromagnetic forming for low conductive metals with a driver
Electromagnetic forming (EMF) process is a high-speed forming process which can inhibit war**, reduce springback, and improve the formability of material at room temperature. In general, the electromagnetic ...
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Article
Study on the driver plate for electromagnetic forming of titanium alloy Ti-6Al-4V
In order to improve energy efficiency, a driver plate made from high-conductivity material is normally used in the electromagnetic forming process of high-strength but low-conductivity sheet metal. The choice ...
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Article
Post-processor development of a five-axis machine tool with optimization tool radius compensation
The post-processor is an important interface that transforms cutter location data into numerical control (NC) data. The data compensation in a five-axis machine is quite complex, because of a variety of the ma...
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Error analysis and compensation in machining thin-walled workpieces based on the inverse reconstruction model
At present, the error control process of the complex thin-walled workpiece mainly adopts the error suppression and error elimination; the effectiveness of error control depends on the cognition of the process ...
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Qualitative and quantitative analysis of misaligned electrode degradation when welding galvannealed steel
Electrode misalignment, induced from the flexibility of welding machine gun of spot welder or the potential poor fit-up, leads to the high tendency of expulsion and asymmetric nugget shape. Yet very few studie...
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Compilation of load spectrum of machining center spindle and application in fatigue life prediction
The load spectrum of machining center (MC) is the data basis for fatigue life prediction. A novel compiling method of dynamic cutting load spectrum of MC spindle is proposed, and then applied to the fatigue li...
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Asymmetric spinning for offset blanks
Various approaches have been attempted by researchers to break through the limitation of axisymmetric shape in metal spinning. In this study, a synchronous multipass spinning method for offset blanks is propos...
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Experimental study of asymmetric multi-pass spinning
Various approaches to produce non-axisymmetric parts in metal spinning have been developed by researchers. In asymmetric multi-pass spinning, the motion of the roller is synchronized with the mandrel’s rotatio...
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Effects of rolling-cutting processing parameters on micro-grooved strips forming
High heat flux density in the micro-electronics field urges the demand for functional surface for heat transfer. Micro-grooved surface is the classical heat transfer surface because of the larger specific area...
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Control of wall thickness distribution in synchronous multi-pass spinning
With the development of metal spinning, the limitation of producing axisymmetric shapes has been broken through by many researchers using the synchronous spinning method in which the motion of the roller is sy...
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Mechanical performance and microstructure of near-unthinned die-less spinning using ball-crown-shape roller
The high flexibility of die-less spinning has great potential for industrial applications. The severe wall thinning of die-less spinning can be suppressed using the ball-crown-shape roller (BCSR). However, the...
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Research on die-less spinning of square section cone by ball-crown-shape roller
Now, metal spinning is no longer limited to axisymmetric parts. Die-less spinning for non-circular section parts is on the rise for its advantages of low cost and high flexibility. However, the wall thickness ...
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Article
A control method with considering error coupling in milling multi-feature thin-walled parts
Multiple features of thin-walled parts have position-dependent and dimension association, which means that multi-feature machining errors can affect each other. They may be coupled in multiple processes. There...
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Numerical simulation of billet height-diameter ratio on magnesium alloy automobile wheel formed by back extrusion
Magnesium (Mg) alloy wheels are widely concerned for their satisfactory energy saving and emission reduction effects and increased driving comfort. However, the current single-step back extrusion (BE) forming ...
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Article
A chatter detection method in milling based on gray wolf optimization VMD and multi-entropy features
In metal cutting processing, especially in the processing of low-rigidity workpieces, chatter is a crucial factor affecting many aspects such as surface quality, processing efficiency, and tool life. In this p...
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Research on the wall thinning influencing factors in die-less spinning by hemisphere roller
Die-less spinning is developed for its advantages of low cost and high flexibility. Recently, the spherical surface roller is adopted in die-less spinning and exhibits nice characteristics. The wall thickness...
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Intelligent recommendation system of the injection molding process parameters based on CAE simulation, process window, and machine learning
In this research, a recommendation system was designed for optimizing the injection molding process parameters. The system incorporates the utilization of process windows, eXtreme Gradient Boosting (XGBoost), ...
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Article
Study of dicing mechanism influence on PZT-4H composite performance
Dicing and filling is the most commonly used method to fabricate the piezoelectric composite by replacing part of the piezoelectric ceramics with the polymer. The dicing quality affects the composite performan...
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An optimized data interaction structure for SERCOS-based open CNC system
With the wide acceptance of open CNC systems and the rapid development of network technology, end-users can easily integrate control strategies or intelligent algorithm modules into open CNC systems. The openn...
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Research on die-less spinning by spherical roller of different radius
Die-less spinning is developed because of its advantages of low cost and high flexibility. The spherical roller has not been commonly used in the die-less spinning process. In previous studies, the sizes of th...
