Results 41 to 50 of about 47,139 (341)

Fault monitoring and diagnosis of motorized spindle in five-axis Machining Center based on CNN-SVM-PSO

open access: yesMechanical Engineering Science, 2022
A spindle fault diagnosis method based on CNN-SVM optimized by particle swarm algorithm (PSO) is proposed to address the problems of high failure rate of electric spindles of high precision CNC machine tools, while manual fault diagnosis is a tedious ...
Shuo Wang   +3 more
semanticscholar   +1 more source

Parametric Model Analysis, Geometrical Characteristics and Tool Trajectories to Surface Roughness when Machining the Cycloid Screw by a Five-Axis Milling Machine

open access: yesJournal of Machine Engineering, 2022
To improve the screw machining accuracy in modern air compressors. This paper investigates three main issues during the development process for cycloid screw machining methods on five-axis CNC machine tools with high precision and efficiency.
Van Bong Pham   +5 more
doaj   +1 more source

Influence of triangular rib on bending stress strength and tooth deflection for small size and high strength spiral bevel gear supported by ribs fabricated by five-axis controlled machining center

open access: yesNihon Kikai Gakkai ronbunshu, 2022
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 ...
Masahiro SAITO   +3 more
doaj   +1 more source

Influence of Elastomer Layers in the Quality of Aluminum Parts on Finishing Operations [PDF]

open access: yes, 2020
In finishing processes, the quality of aluminum parts is mostly influenced by static and dynamic phenomena. Different solutions have been studied toward a stable milling process attainment.
Lamikiz, Aitzol   +3 more
core   +2 more sources

Study on the tool setting method of micro-milling tool based on in-line holography [PDF]

open access: yesMATEC Web of Conferences, 2022
Aiming at the various shortcomings of existing tool setting methods, this paper proposes a coaxial holographic tool setting method for tiny tools.
Zhang Xianghui   +3 more
doaj   +1 more source

Latest Developments in Industrial Hybrid Machine Tools that Combine Additive and Subtractive Operations [PDF]

open access: yes, 2018
Hybrid machine tools combining additive and subtractive processes have arisen as a solution to increasing manufacture requirements, boosting the potentials of both technologies, while compensating and minimizing their limitations.
Arrizubieta Arrate, Jon Iñaki   +4 more
core   +3 more sources

Workpiece Alignment for Hybrid Laser Aided Part Repair Process [PDF]

open access: yes, 2005
Work piece alignment is a key issue for hybrid laser aided part repair, a process utilizing both machining and laser deposition. Proper alignment can greatly improve the accuracy of the repair process.
Liou, Frank   +2 more
core   +2 more sources

A methodology for the lightweight design of modern transfer machine tools [PDF]

open access: yes, 2018
This paper deals with a modern design approach via finite elements in the definition of the main structural elements (rotary table and working unit) of an innovative family of transfer machine tools. Using the concepts of green design and manufacture, as
Cavalli, Omar   +6 more
core   +2 more sources

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