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Base on the plentiful experience of producing and marketing of impact crusher, Sofol R&D institution…
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Adopting technology from the world, PY Series spring cone crusher has an excellent performance in secondary…
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Sofol VSI Series vertical shaft impact crusher is designed by reputed German expert of Sofol and every…
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The International Journal of Advanced Manufacturing Technology - This paper proposes a model to predict the material removal mode in soda-lime glass micro-grinding. ... Micro-grinding experiments with different cutting depth on soda-lime glass have been designed and conducted. From experiment results, it was found that the edge …
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DOI: 10.1016/J.IJMECSCI.2019.02.025 Corpus ID: 139974764; Surface roughness prediction model of SiCp/Al composite in grinding @article{Zhu2019SurfaceRP, title={Surface roughness prediction model of SiCp/Al composite in grinding}, author={Chuanmin Zhu and Peng Gu and Yinyue Wu and Dinghao Liu and Xikun Wang}, …
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The wear of micro-grinding tools less than 1 mm in diameter is crucial for achieving acceptable surface quality and accurate dimension of the workpiece. To control wear behavior of the micro-grinding tools, an investigation through experiments was conducted on the machining and wear performance of various (D-shaped PCD, CVD, …
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Recently, mechanical micro-milling is one of the most promising micro-manufacturing processes for productive and accurate complex-feature generation in various materials including metals, ceramics, polymers and composites. The micro-milling technology is widely adapted already in many high-tech industrial sectors; however, its reliability and …
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To study the performance of the new, self-developed micro-crystalline corundum wheel, comparative experimental research into the form grinding of a 20CrMnTi steel tooth using a new micro-crystalline corundum wheel, a Reishauer micro-crystalline corundum wheel and a white corundum (WA) grinding wheel was conducted. The …
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Ultra-precision micro machine tool (UPMMT) has always been a high-precision machine tool for microscale/mesoscale mechanical components. It has demonstrated many advantages in small footprint, low cost of energy, low operational cost, high machining precision, etc. However, developing UPMMT is always a complicated, …
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U. S. P. Durgumahanti, V. Singh and P. V. Rao, A new model for grinding force prediction and analysis, International Journal of Machine Tools & Manufacture, 50 (2010) 231–240. Article Google Scholar . J. Cheng and Y. D. Gong, Experimental study of surface generation and force modeling in micro-grinding of single crystal silicon …
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Micro-grinding with a spherical grinding head has been deemed an indispensable method in high-risk surgeries, such as neurosurgery and spine surgery, where bone grinding has long been plagued by the technical bottleneck of mechanical stress-induced crack damage. ... International Journal of Advanced Manufacturing …
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The shape and protrusion heights of the wear particle of the spherical grinding head were first studied, and the gradual rule of the contact arc length under the action of high-speed rotating ultrasonic vibration was proposed, and a prediction model of micro-grinding force was established in accordance with the relationship between …
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2.1 Simulation Finite Element Model of Single Abrasive Rotary Ultrasonic Grinding 2.1.1 Finite Element Mesh Dividing. The construction of diamond grits and hot-pressing sintering Si 3 N 4 ceramic workpiece model is an important prerequisite for meshing. In order to save time cost in grinding simulation, many scholars have …
DetailsThe International Journal of Advanced Manufacturing Technology - Flexible joint which is widely used in gyro is made of a kind of high elastic alloy 3J33A. ... In addition, alignment for micro grinding the micro wall should be carried out. This paper presents an experimental study of micro grinding based on force feedback. The setup and ...
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The International Journal of Advanced Manufacturing Technology - Simulation and grinding experiments on soda-lime glass were performed in this paper. ... The surface quality of diamond-coated micro-grinding tools is better, by comparing CBN-coated micro-grinding tools and diamond-coated micro-grinding tools of the same …
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In particular, attention is paid to the processes that are used to fabricate micro moulds made of cemented tungsten carbide. In this case, the effect of micro structure of work material on a removal mechanism involved in the micro grinding process and the pragmatic technologies for making aspherical micro moulds are discussed in …
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The International Journal of Advanced Manufacturing Technology - The existing micro-spindle systems equipped with micro-tools compromise micro-machining accuracy and efficiency due to their large...
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Titanium alloys have excellent heavy-duty performance, but their processing and surface quality control are quite problematic. This problem can be resolved via the longitudinal-torsional ultrasonic-assisted grinding (LT-UVAG). In this study, the LT-UVAG removal mechanism and surface parameters of Ti-6Al-4 V titanium alloy were …
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The International Journal of Advanced Manufacturing Technology (2022) 119:5389–5399. ... [12,13] achieved good drag reduction effects by grinding micro grooves (or riblets) ...
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The current research of micro-grinding mainly focuses on the optimal processing technology for different materials. However, the material removal mechanism in micro-grinding is the base of achieving high quality processing surface. Therefore, a novel method for predicting surface roughness in micro-grinding of hard brittle materials …
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This paper investigates the characteristics of a nanofluid MQL micro-grinding process through a series of experiments. The miniaturized desktop machine tool system is developed, and a small grinding wheel is used to effectively realize the nanofluid MQL microgrinding process. ... International Journal of Precision Engineering and …
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The structure of the micro-drill head is complex. The head is composed of four surfaces: two first flanks B 1 and B 2, which are at 15° to the end plane and two second flanks A 1 and A 2 which are at 30° to the end plane of the micro-drill head (Fig. 2).This complex spatial structure is generated generally by two grinding wheels which are …
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In order to dress arc diamond wheel in aspheric parallel grinding efficiently and precisely, a novel truing technique by roll abrading with silicon carbide wheel was proposed. The rotary axis of diamond wheel and dressing wheel were orthogonal. Based on X/Y/Z three-axis linkage controlling, the diamond wheel moved around the outer …
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Micro-wear in micro-grinding process is very important to research the micro-tools wear and the service life prediction of the micro-tools. The wear mechanism of electroplated diamond micro-grinding tool is analyzed in this paper. The geometric and mathematical modeling is established in allusion to the composite mechanism in micro …
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Ultrasonic-assisted machining of silicon carbide (SiC) ceramic matrix composites (CMCs) has the ability to decrease grinding force and improve processing quality. The machining process often produces large cutting forces which cause defects, such as delamination and burrs, due to the brittleness and high hardness of the material. …
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In the micro-grinding process, owing to the size effect, the effects of material microstructure on the grinding force are more significant through the variation of material flow stress. Currently, the variation of material flow stress resulting from the change of crystallographic orientation during the micro-grinding has not been well examined. In …
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Accompanying with the extensive applications of micro-structured surfaces on hard and brittle material in MEMS and NEMS sensors, optical elements, electronic devices and medical products, efficiently fabricating of these surface has gradually become the focus of manufacturing community. Basing on precision grinding with conditioned …
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International Journal of Machine Tools and Manufacture. Volume 158, November 2020, 103634. ... Grinding and polishing have a long history that can be dated back to the 15th century, ... often leaves process-induced irregularities and defects on the workpiece surface, such as deep scratches, pits, micro-cracks [10] and subsurface …
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The CVD diamond micro-grinding tool highly promising for micro-scale high accuracy machining. To improve the lubrication and chip removal performance in the grinding zone, a kind of micro-structured CVD diamond micro-grinding tool. Firstly, the commercial FEM software was adopted to analyze the effects of micro-structure …
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This article explores the intricacies of micro-grinding parameter control for hard and brittle materials, with a specific focus on Zirconia ceramics (ZrO2) and Optical Glass (BK7). Given the increasing demand and application of these materials in various high-precision industries, this study aims to provide a comprehensive kinematic analysis …
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Micro grinding by PCD tools is used to overcome the rough surfaces that are generated by sparks in ECDM. ... INTERNATIONAL JOURNAL OF PRECISION EN GINEERING AND MANUFACTURING Vol. 14, No. 1 ...
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K.M. Li, C.P. Lin, Study on minimum quantity lubrication in micro-grinding, International Journal of Advanced Manufacturing Technology. 62 (2012) 99â€"105. [16] S. Mahabunphachai, M. Koc, Investigation of size effects on material behaviour of thin sheet metals using hydraulic bulge testing at micro/meso-scales, International Journal of ...
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Surface/subsurface crack during grinding limits the application of engineering ceramics. High-speed grinding is proposed in ceramics grinding for high material removal rate and surface quality. The dynamic fracture toughness of ceramic materials is established by combining the Johnson-Holmquist 2 damage model for brittle …
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2.1 Experimental setup. Micro-grinding experiments were all conducted on a self-developed micro-machining system (Supplementary material, Fig. S1).Electroplated diamond grinding head with a diameter of 1 mm was fixed on an electric spindle (EMSF-3060 K, Nakanishi, Japan) with a maximum rotating speed of 60000 r/min. Feeding …
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In the path planning of the biomimetic micro-riblets surface of aero-engine blades, stepover is the leading research content. In the aero-engine planning of complex surface, the selection of stepover directly affects the machining efficiency of the profile and quality of aero-engine blades [20, 21].In the grinding process, the size of row spacing …
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