Results 1 to 10 of about 6,104,615 (215)

Evaluation of Synchronous Motion in Five-axis Machining Centers With a Tilting Rotary Table

Journal of Advanced Mechanical Design, Systems, and Manufacturing, 2007
This paper proposes a new method for evaluating the synchronous inaccuracy of a translational axis and a rotational axis in five-axis controlled machining centers with a tilting rotary table.
Masaomi TSUTSUMI, Daisuke YUMIZA, Keizo UTSUMI, Ryuta SATO   +3 more
doaj   +3 more sources

Analysis of kinematic motion deviations of machining centers based on geometric tolerances

Journal of Advanced Mechanical Design, Systems, and Manufacturing, 2014
The objectives of the present research are to investigate relationships between kinematic motion deviations of machine tools and geometric tolerances of their components, to propose mathematical models representing kinematic motion deviations of five ...
Atsushi TAKAHASHI, Arata YOSHIDA, Wiroj THASANA, Nobuhiro SUGIMURA, Koji IWAMURA, Yoshitaka TANIMIZU   +5 more
doaj   +1 more source

Development and application of a lightweight five-axis parallel machining robot

物联网学报, 2021
In the fields of national defense, aerospace, and energy, there exist plenty of complex surface core parts, for example, the aircraft structural components and turbine blades.These parts usually have the machining requirements of large material removal ...
Zenghui XIE, Bin MEI, Weiyao BI, Fugui XIE, Xin-Jun LIU   +4 more
doaj   +2 more sources

A study on tolerance design of machine tool components based on shape generation motions (Theoretical analysis considering rotational table positions)

Nihon Kikai Gakkai ronbunshu, 2017
The kinematic motion deviations of the five-axis machining centers are deeply influenced by the geometric deviations of the components, such as guide-ways and bearings.
Naoki SATONAKA, Ryo TAKEMATSU, Nobuhiro SUGIMURA, Koji IWAMURA, Yoshitaka TANIMIZU   +4 more
doaj   +1 more source

A study on tolerance design of machine tool components based on shape generation motions

Nihon Kikai Gakkai ronbunshu, 2016
The kinematic motion deviations of the five-axis machining centers are deeply influenced by the geometric deviations of the components, such as guide-ways and bearings.
Ryo TAKEMATSU, Naoki SATONAKA, Arata YOSHIDA, Nobuhiro SUGIMURA, Koji IWAMURA, Yoshitaka TANIMIZU   +5 more
doaj   +1 more source

Five-Axis Milling of Large Spiral Bevel Gears: Toolpath Definition, Finishing, and Shape Errors

Metals, 2018
In this paper, a five-axis machining process is analyzed for large spiral-bevel gears, an interesting process for one-of-kind manufacturing. The work is focused on large sized spiral bevel gears manufacturing using universal multitasking machines or five-
Álvaro Álvarez, Amaia Calleja, Naiara Ortega, Luis Norberto López de Lacalle   +3 more
doaj   +1 more source

Identification Method of Geometric Deviations for Multi-Tasking Machine Tools Considering the Squareness of Translational Axes

Applied Sciences, 2020
Some methods to identify geometric deviations of five-axis machining centers have been proposed until now. However, they are not suitable for multi-tasking machine tools because of the different configuration and the mutual motion of the axes. Therefore,
Yan Yao, Keisuke Nishizawa, Noriyuki Kato, Masaomi Tsutsumi, Keiichi Nakamoto   +4 more
doaj   +1 more source

Sensitivity Analysis in Ball Bar Measurement of Three-Dimensional Circular Movement Equivalent to Cone-Frustum Cutting in Five-Axis Machining Centers

Journal of Advanced Mechanical Design, Systems, and Manufacturing, 2013
The present paper describes the sensitivity coefficient of measurement in the three-dimensional circular interpolation movement that is equivalent to cone-frustum cutting in five-axis machining centers with a tilting rotary table. The sensitive direction
Noriyuki KATO, Masaomi TSUTSUMI, Yu TSUCHIHASHI, Ryuta SATO, Yukitoshi IHARA   +4 more
doaj   +1 more source

Evaluation of dynamic behavior of rotary axis in five-axis machining center (Behavior around motion direction changes)

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, Ryuta SATO, Keiichi SHIRASE   +2 more
doaj   +1 more source

Influence of NC Program Quality and Geometric Errors of Rotary Axes on S-Shaped Machining Test Accuracy

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, Keiichi Shirase, Yukitoshi Ihara   +2 more
doaj   +1 more source