Results 31 to 40 of about 3,343 (256)
Journal of Advanced Mechanical Design, Systems, and Manufacturing, 2016 Several methods of evaluating the motion accuracy of the rotary axes of five-axis machining centers have been proposed in past studies. Because it is known that particular motion errors exist near motion direction changing points, it is important to ...
Tadahiro NISHIGUCHI +2 more
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Nihon Kikai Gakkai ronbunshu, 2019 We have developed a small size and high strength spiral bevel gear fabricated by five axis controlled machining center. In the present report, we propose a novel spiral bevel gear with the rib at the end of face width to reinforce the tooth bending ...
Shinya TOYOTA +4 more
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Machines, 2021 For machining parts with complex shapes, consisting of computer numerical control (CNC) machine tools, different CNC machine tools will be used according to the machining method.
Cheng-Hsien Kuo, Po-Cheng Chen
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Workpiece Setup Simulation based on Machinable Space of Five-axis Machining Centers
Procedia CIRP, 2014 AbstractAn actual machining center specification, e.g. the axes travel, the workpiece size allowance, etc., needs to be considered for constructing a machining process plan. In this paper, a machinable space of a five-axis machining center is proposed for simulating the workpiece setup.
Isnaini, Mohammad Mi’radj +2 more
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Journal of Manufacturing and Materials Processing, 2018 An S-shaped machining test is proposed for the ISO 10791-7 standard to verify the performance of five-axis machining centers. However, investigation of the factor that has the most influence on the geometrical accuracy of finished S-shaped workpieces has
Ryuta Sato +2 more
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Vision-Based Measurement of Two-Dimensional Positioning Errors of Machine Tools
Journal of Advanced Mechanical Design, Systems, and Manufacturing, 2011 This paper presents vision-based measurement of two-dimensional positioning errors of machine tools. A pre-calibrated grid plate is used as an artefact. The position of a grid point is measured in an image captured by a charge coupled device (CCD) camera
Soichi IBARAKI, Yusuke TANIZAWA
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Lubricants, 2022 Ultraprecision freeform polishing using a bonnet or a felt ball mounted on a polishing head plays an important role in the mold and lens production industries. The volumetric wear of a bonnet or a felt polishing ball is still a problem to be solved.
Fang-Jung Shiou +2 more
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Research on Key Technology of Online Measurement of Five-axis Linkage Machine Tool
Journal of Applied Science and EngineeringIn order to improve the machining accuracy and online measurement accuracy of the five-axis linkage machine tool, the motion solution of the double pendulum head five-axis linkage machine tool is realized based on the analysis of the movement and change ...
Dashuang Wang, RongJing Hong
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Applied Sciences, 2020 This paper presents the first try to fabricate degradable polylactic acid (PLA) biomedical stents with round edges by the multi-axis micro-milling process. Conventionally biomedical stents are produced by laser processing.
Fuh-Yu Chang +3 more
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Ligand‐dependent transcriptional heterogeneity in cell cycle gene expression delays G1/S entry
FEBS Letters, EarlyView.EGF and HRG induce distinct G1/S progression programs in ErbB2‐amplified BT474 breast cancer cells. Despite activating the potent ErbB2–ErbB3 heterodimer, HRG does not accelerate cell‐cycle entry. Instead, EGF promotes earlier restriction‐point passage via ERK–FOS signaling, whereas HRG activates the AKT–MYC axis, driving transcriptional heterogeneity ...
Ririn Rahmala Febri +5 more
wiley +1 more source