Results 91 to 100 of about 20,107 (303)

Machine structure simulation using FEA and optimised thermal parameters

, 2015
Continuous usage of machine tools during manufacturing processes causes heat generation in the moving elements, resulting in distortion of the machine tool structure.
Longstaff, Andrew P., Abuaniza, Ayman, Fletcher, Simon, Mian, Naeem S.   +3 more
core  

Review of Thermally Activated Twisted Coiled Polymer Actuators: A Materials Science Perspective

Advanced Functional Materials, EarlyView.
Thermally activated twisted and coiled polymer actuators (TCPAs) combine lightweight design, large deformation, and scalable fabrication for soft robotic and wearable applications. This review connects polymer structure, processing history, helix geometry, and thermomechanical characterization to actuator performance, highlighting current challenges in
Nadja Schenk, Lukas Benecke, Chokri Cherif, Johannes Mersch   +3 more
wiley   +1 more source

Thermal error modeling of servo axis based on optimized LSSVM with gray wolf optimizer algorithm

Case Studies in Thermal Engineering
Thermal error of a CNC machine tool has a serious effect on its machining accuracy. In order to reduce the thermal error, establishing an accurate and robust thermal error model is necessary.
Yang Li, Yue Yang, Jiaqi Wang, Fusheng Liang   +3 more
doaj   +1 more source

Application of GNNMCI(1, N) to environmental thermal error modelling of CNC machine tools

, 2013
Thermal errors are often quoted as being the largest contributor to inaccuracy of CNC machine tools, but they can be effectively reduced using error compensation.
Longstaff, Andrew P., Fletcher, Simon, Abdulshahed, Ali, Myers, Alan   +3 more
core  

Sustainable Electrochemical Synthesis of High‐Quality MXenes: Mechanistic Insights, Applications, Challenges, and Technological Prospects

Advanced Functional Materials, EarlyView.
Electrochemical etching provides an eco‐friendly alternative to hazardous HF methods for MXene production. This approach facilitates the selective isolation of the A‐layer from MAX phases with tunable surface terminations. Controlling voltage, electrolytes, temperature, and duration enables the optimal structural integrity. Nevertheless, existing scale
Jagdeep Singh, Madhusudhana M Devadiga, Santosh K. Tiwari, AS Dhaliwal, Gurpreet Singh Selopal   +4 more
wiley   +1 more source

A Novel Methodology for Measuring Ambient Thermal Effects on Machine Tools

Sensors
Large machine tools are critically affected by ambient temperature fluctuations, impacting their performance and the quality of machined products.
Fernando Egaña, Unai Mutilba, José A. Yagüe-Fabra, Eneko Gomez-Acedo   +3 more
doaj   +1 more source

The selection of key temperature measurement points for thermal error modeling of heavy-duty computer numerical control machine tools with density peaks clustering

Advances in Mechanical Engineering, 2019
Having great impacts on machining precision, thermal error is one of the main error sources for heavy-duty computer numerical control machine tools. Thermal error compensation using prediction models with temperature field is an effective way to improve ...
Zude Zhou, Jianmin Hu, Quan Liu, Ping Lou, Junwei Yan, Jiwei Hu, Lin Gui   +6 more
doaj   +1 more source

Thermal Performance of a Multi-Axis Smoothing Cell [PDF]

, 2011
Multi Axis Robots have traditionally been used in industry for pick and place, de-burring, and welding operations. Increasing technological advances have broadened their application and today robots are increasingly being used for higher precision ...
Georgiou, Charalambos Andrew
core  

Microsphere‐Templated Conductive Syntactic Foams for Recyclable and Additively Manufactured Soft Electronics

Advanced Healthcare Materials, EarlyView.
This work introduces a microsphere‐templated strategy to fabricate reprocessable PEDOT:PSS syntactic foams with tunable porosity, stable conductivity, and 3D printability. In situ PEDOT:PSS coatings create a conductive network that maintains electrical performance at high void fractions.
Gayaneh Petrossian, Yassine Diouri, Bolan Xu, Sara Ebrahimi, Atharva Pande, Floriane Miquet‐Westphal, Hang Xu, Fabio Cicoira   +7 more
wiley   +1 more source

A review of robust thermal error reduction of machine tools

International Journal of Machine Tools and Manufacture
Thermal error reduction in machine tools has attracted increasing attention owing to its influence on the accuracy, productivity, and energy efficiency of machining processes. In several traditional studies, the thermal error has been modeled as a straightforward relationship between the heat input and the output machining error.
Lingtao Weng, Toru Kizaki, Chi Ma, Weiguo Gao, Daisuke Kono   +4 more
openaire   +2 more sources