... imbalance are included in the digital model. The spindle's dynamic model is used to simulate the vibrations at any location in the spindle assembly where sensors can be mounted for online monitoring. The wear type and bearing location are correlated with the frequency spectrum of vibrations at operating...

..., consequently resulting in observable vibrations. This paper predicts the vibrations of a spindle at a particular measurement location by simulating the presence of a specific fault or multiple faults during spindle rotation. The vibration spectra generated by the digital spindle model at the spindle speed...

... of the spindle. This allows for simulating the operation of the spindle both with and without faults. The integration of fault models enables the generation of vibrations at sensor locations along the spindle shaft. The generated vibration data from the physics-based model are used to train a recurrent neural...

... on various aspects of wire electrode erosion such as the effect of heat generated in spark plasma, thermal stresses, wire rupture phenomena, and wire fatigue. It also presents important research findings on the causes of wire failure and advancements to reduce wire erosion and wire vibrations. The paper...

...Azamat Salamat; Boris Golman; Christos Spitas Particle packing densification due to vibrations is a common process that occurs in many industrial applications and is beneficial for achieving better mechanical properties in powder metallurgy. However, most of the research up to this point...

...Sen Qin; Huan-huan Zhang; Hao-wei Jiang; Wen-hua Xu; Jin-ping Qu To obtain high-quality plastic products, an industrial volume-pulsatile injection-molding (VPIM) machine is developed to achieve high screw displacement amplitude. However, it is difficult for engineers to optimize vibration...

... and the constrained surface. Different surface coatings, platform motions including tilting and sliding, and the utilization of oxygen-permeable films have been developed to address the separation-related problems. Among these approaches, the vibration-assisted (VA) separation method to reduce the separation force...

... of the workpieces. Case studies of ultrasonic welding simulations for multiple layers of lithium-ion battery tabs are presented. The prediction leads to several innovative ultrasonic welding process designs for improved welding quality. ultrasonic welding vibration finite element analysis thermo-mechanical...

... wear from highly localized stress. In this study, the use of high-frequency vibration for potential application in micro/mesoscale forming has been investigated. A versatile experimental setup based on a magnetostrictive (Terfenol-D) actuator was built. Vibration assisted micro/mesoscale upsetting, pin...

... machine tools mechanical contact bifurcation discontinuities friction linear elastic vibration The cutting process in a typical contact machine-tool system is characterized by three components: the tool-piece and supports, the work-piece and supports, and the mechanics of the cutting...

.... However, some craters would still exist on the machined surface, which limits the further improvement of the surface quality of the machined workpieces. One possible solution is to apply external forces to workpieces by using high-frequency vibrations to smooth craters during melting and solidification...

... to vibration energy dissipation due to directional variation of cutter∕workpiece relative motion. The magnitude effect is associated with change in force magnitude due to variation of rake angle and clearance angle. Process damping is summarized as containing these separate components: direction-shearing...

... production rate, and avoid drill breakage, the dynamic characteristics of the microdrilling process must be studied. A stepped pretwisted beam is used to simulate the microdrill. A moving Winkler-Type elastic foundation is used to approximate the drilling process. A time-dependent vibration model...