Results 31 to 40 of about 1,284 (127)

Analysis of the Error Sensitive Direction and Establishment of the Equation of Face Gear Tooth Surface with Error

Jixie chuandong, 2015
Based on the theory of multi-body system and the principle of gear meshing,according to six-axis five linkage gear CNC machine structure and the actual conditions of grinding,the grinding tooth surface equation of face gear with error of six-axis five ...
Ming Xingzu, Li Mande, Wang Wei, Zhao Lei   +3 more
doaj  

Adaptive Positioning Repair Method for Aero-Engine Blades by Using Speckle Vision Measurement

IEEE Access, 2020
The repair of damaged aero-engine blades has an extremely high economic value. Due to the complexity of the blade surface and various kinds of deformation during the lifetime, blade positioning in the repair process has always been one of the key ...
Jun Wu, Zhan Li, Jin Zhang, Ning Wang, Tao Wang, Hao Wang, Jie Tang   +6 more
doaj   +1 more source

Experimental Comparative Analysis of Hole‐Making Strategies and Cutting Parameters on Flexural Properties and Induced Delamination in S2 Glass and Basalt Fiber‐Reinforced Polymers

Polymer Composites, EarlyView.
Hole‐making strategy and machining parameters influence delamination and hole quality in S2‐glass and basalt FRP composites, which subsequently affet flexural performance. Improved hole integrity leads to enhanced structural performance during three‐point bending.
Sara Saeed Abdulrahman Eltahir, Cagatay Yilmaz, Sinan Kesriklioglu   +2 more
wiley   +1 more source

The Effect of Veil Type and Laminate Architecture on the Mechanical and Dynamic Performance of Aramid Fiber Interlayered Thermoplastic Veil/Epoxy Composites: A Comprehensive Evaluation

Polymer Composites, EarlyView.
Graphical summary of the aramid fiber/thermoplastic veil laminates: (a) H‐2/1 and H‐2/2 hybrid architectures, (b) contrasting FG and PI/aramid microstructures, (c) flexural stiffness ranking, and (d) damping response, illustrating that fine‐glass (FG) veils maximize stiffness while PEI, PI, and PEEK veils maximize damping, with PPS providing an ...
Yavuz Selim Tarih
wiley   +1 more source

Generating processing method and tooth surface deviation characteristics of non-circular face gear based on disk cutter

Journal of Advanced Mechanical Design, Systems, and Manufacturing
Non-circular face gear is a new type of gear with variable transmission ratio, which has the advantages of simple closure condition and good interchangeability. However, the lack of effective processing methods limits its application and development.
Dawei LIU, Xinyu ZHOU, Xiangdong YANG, Liang SHI   +3 more
doaj   +1 more source

Enhancing Structural Reliability of Composite Adhesive Joints: An Integrated Experimental‐Numerical‐Machine Learning Framework for Material‐Geometric Co‐Optimization

Polymer Composites, EarlyView.
An integrated experimental, numerical, and explainable machine learning framework for the material‐geometric co‐optimization and multi‐objective Pareto design of robust composite adhesive joints. ABSTRACT The reliability of composite adhesive joints is compromised by non‐linear dependencies between material properties and manufacturing uncertainties ...
Sajjad Karimi
wiley   +1 more source

TRAJECTORY PLANNING AND SIMULATION STUDY OF B-AXIS POWER TOOL HOLDER

Jixie qiangdu, 2020
To study the pose state and coordinate transformation of different tool positions by establishing the interpolation equations,and obtain the mathematical model between the coordinate systems,and verify the validity according to the simulation results ...
LI XinWen, LI YuLian
doaj  

Macro‐ and Micromechanical Deformations and Failure of Recycled PET/Flax Polyester Biocomposites

Polymer Composites, EarlyView.
Macro‐ and Micromechanical Deformations and Failure of Recycled PET/Flax Polyester Biocomposites. ABSTRACT Environmental sustainability has become a global priority aimed at reducing waste generation and dependence on fossil resources. This study reports on the development of sustainable biocomposites by combining flax woven fabrics (2, 4, and 6 plies)
Bianca Dal Pont, Laura Aliotta, Vito Gigante, Massimo Giffoni, Róbert Várdai, Béla Pukánszky, Andrea Lazzeri   +6 more
wiley   +1 more source

Cooling system optimization of five-axis machine tool rotary table for improved thermal accuracy and energy efficiency

Case Studies in Thermal Engineering
Thermal errors induced by inefficient cooling in rotary tables of five-axis machine tools significantly degrade machining accuracy and increase energy consumption, posing a critical challenge for high-precision and sustainable manufacturing.
Tze-Yin Lin, Kun-Yin Li
doaj   +1 more source

Toward the Application of Multiaxial Failure Criteria: Mean Stress Sensitivity of Carbide‐Rich, High‐Alloy PM‐HIP Tool Steels Under Axial and Torsional Cyclic Loading

steel research international, EarlyView.
This study quantifies axial and torsional long‐life fatigue (LLF) behavior of three carbide‐rich PM‐HIP tool steels, correlating LLF strength with intrinsic defect size and cleanliness, thereby extracting material‐specific mean stress sensitivities and Haigh diagrams.
Lennart Mirko Scholl, Frederik Tegeder, Tobias Hajeck, Alexander Bezold, Christoph Broeckmann   +4 more
wiley   +1 more source