Results 1 to 10 of about 686 (227)

Prediction and compensation of machining geometric errors of five-axis machining centers with kinematic errors [PDF]

open access: yesPrecision Engineering, 2009
Kinematic errors due to geometric inaccuracies in five-axis machining centers cause deviations in tool positions and orientation from commanded values, which consequently affect geometric accuracy of the machined surface. As is well known in the machine tool industry, machining of a cone frustum as specified in NAS979 standard is a widely accepted ...
Soichi Ibaraki
exaly   +2 more sources

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

open access: yesJournal 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   +3 more
doaj   +3 more sources

Workpiece Setup Simulation based on Machinable Space of Five-axis Machining Centers

open access: yesProcedia CIRP, 2014
AbstractAn actual machining center specification, e.g. the axes travel, the workpiece size allowance, etc., needs to be considered for constructing a machining process plan. In this paper, a machinable space of a five-axis machining center is proposed for simulating the workpiece setup.
Ryuta Sato
exaly   +2 more sources

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

open access: yesJournal 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   +4 more
doaj   +3 more sources

Feasibility of 8-Shaped Motion Test for Five-Axis Machining Center

open access: yesInternational Journal of Automation Technology, 2023
ISO 10791-7, which specifies the machining accuracy test standard for machining centers, and ISO 10791-6, which specifies the interpolation motion test standard, were revised in 2014 to include five-axis machining centers (5-axis MCs). In addition, cone frustum test, which has been used as the National Aerospace Standard (NAS), was revised and ...
Yukitoshi Ihara   +2 more
openaire   +1 more source

Research on a Five-Axis Machining Center Worktable with Bionic Honeycomb Lightweight Structure [PDF]

open access: yesMaterials, 2020
The processing of high-precision aerospace parts requires not only ultra-precision machine tools, but also high-efficiency processing. However, in order to realize high-efficiency processing, besides optimizing the system and process parameters, some subversive research can also be done on the machine tool structure.
Lai Hu   +4 more
openaire   +2 more sources

Investigation on Finished Surface Machined by Five-axis Machining Center

open access: yesJournal of the Japan Society for Precision Engineering, 2009
This study describes the machining of the fine surfaces with a ball nose end-mill tool by a five-axis controlled machining center. In the present paper, we demonstrate that it is effective to maintain a constant contact angle between an end-mill ball nose and a work surface in machining in order to obtain the fine machined surface because this makes it
HIROGAKI, Toshiki   +5 more
openaire   +3 more sources

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

open access: yesJournal 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   +5 more
doaj   +1 more source

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

open access: yesNihon 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   +4 more
doaj   +1 more source

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

open access: yes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   +4 more
doaj   +2 more sources

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