As research progresses, the surface texture tool can significantly reduce the cutting heat and cutting force. However, the tool surface texture width, depth, and spacing also have an impact on the cutting performance. Using the Taguchi method and finite element analysis, the changing laws of cutting temperature, pressure, stress distribution, and cutting force were studied. The results showed that the tool texture width had the greatest influence on the cutting performance, followed by the tool texture depth and spacing. The increase of tool texture width lead to the decrease of cutting temperature, stress distribution, and cutting force, while the effect of texture depth on cutting stress distribution was more significant. Cutting performance could be improved by optimizing the texture size and structure of the cutting tool. This research has theoretical significance for improving the cutting performance of cutting tools.
Download full-text PDF |
Source |
---|---|
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9317305 | PMC |
http://dx.doi.org/10.3390/mi13071091 | DOI Listing |
Nanoscale
January 2025
Department of Chemistry, Faculty of Engineering and Technology, SRM Institute of Science and Technology, Kattankulathur, Tamil Nadu, 603203, India.
Developing efficient and noble metal-minimized electrocatalysts for the oxygen evolution reactions (OER) is critical for energy conversion reactions. Here we present Ru-minimized BiRuO@MOF-801 that synergistically combines the high catalytic activity of the bimetallic oxide with the unique structural and hydrophilic properties of the Zr-MOF. The composite achieves superior OER performance with a low overpotential of 307 mV at 50 mA cm and a Tafel slope of 99.
View Article and Find Full Text PDFJ Biomech Eng
January 2025
Department of orthopedics, the Second Affiliated Hospital of Medical College of Zhejiang University, Hangzhou, Zhejiang, 310000, China.
This study aims to compare the sinking and shifting of an enhanced escape-proof intervertebral fusion device with a traditional TLIF intervertebral fusion device.Five specimens each of the improved escape-resistant intervertebral cage and the traditional TLIF cage were selected. Four types of mechanical tests were conducted on each cage, Furthermore, a blade-cutting torque test was performed on the escape-resistant cage, with the recording of load-displacement curves and mechanical values.
View Article and Find Full Text PDFPlant Dis
January 2025
Microbiology, Campus Universitário s/n, Viçosa, Minas Gerais, Brazil, 36570-000;
The Ralstonia solanacearum Species Complex (RSSC) is the most significant plant pathogen group with a wide host range. It is genetically related but displays distinct biological features, such as restrictive geography occurrence. The RSSC comprises three species: Ralstonia pseudosolanacearum (phylotype I and III), Ralstonia solanacearum (phylotype IIA and IIB), and Ralstonia syzygii (phylotype IV) (Fegan and Prior 2005).
View Article and Find Full Text PDFSci Rep
January 2025
School of Mechanical Engineering, Liaoning Technical University, Fuxin, 123000, China.
Drums are the core working mechanism of the coal mining machine for coal mining. The structural design level of the drum is crucial for mining efficiency and safety production. Traditional design methods not only have long design cycles and high costs, but also limited design capabilities.
View Article and Find Full Text PDFAlzheimers Dement
December 2024
Department of Psychiatry, School of Medicine, University of Pittsburgh, Pittsburgh, PA, USA.
Background: Amyloid β (Aβ) deposition in the brain is a pathological hallmark of Alzheimer's disease (AD). While immunoprecipitation-mass spectrometry (IP-MS) stands out as an accurate method for quantifying blood-based Aβ peptides, its major limitations such as prolonged sample preparation, extensive analysis time, large specimen volume, and high costs, present opportunities for improvement. Consequently, we aimed to develop a novel plasma IP-MS Aβ assay that employs simplified and significantly shorter analytical procedures, along with much-reduced sample volumes.
View Article and Find Full Text PDFEnter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!