Results 11 to 20 of about 31,150 (168)

Laser R-Test for Angular Positioning Calibration and Compensation of the Five-Axis Machine Tools

open access: yesApplied Sciences, 2021
The angular positioning error of the rotary stage causes low quality in milling various angles of a workpiece. This study proposes a solution that could improve these issues by using our Laser R-test for angular positioning calibration and compensation ...
Cao-Sang Tran   +2 more
doaj   +1 more source

A TCP Calibration of a 6-Axis Manipulator and Geometric Errors Identification of a Tilting-Rotary Table [PDF]

open access: yes한국정밀공학회지, 2022
Tool-center-point (TCP) calibration and geometric error identification procedures are proposed to improve the accuracy of a 6-axis manipulator with a tilting rotary table.
Kwang-Il Lee   +3 more
doaj   +1 more source

Measurement of Location Errors in a Horizontal 4-axis Machine Tool using a Touch Trigger Probe [PDF]

open access: yes한국정밀공학회지, 2019
We propose the measurement method for location errors in a horizontal 4-axis machine tool using a touch trigger probe and a sphere artifact. Location errors (type of geometric errors), are values that do not change with the position of each feed axis ...
Ji Hun Jeong   +3 more
doaj   +1 more source

Effect of the Stiffness of the Turntable Bearing Joint on the Dynamic Characteristics of the Five-Axis Machine Tool Rotary System

open access: yesMachines, 2023
The positioning accuracy and machining performance of the five-axis machine tool are significantly impacted by the dynamic characteristics of the rotary system of the two-axis rotary table machine. In this study, first, the stiffness of the joint bearing
Shi Wu   +4 more
doaj   +1 more source

A machining test to identify rotary axis geometric errors on a five-axis machine tool with a swiveling rotary table for turning operations [PDF]

open access: yesPrecision Engineering, 2019
Abstract Lately, a cylindrical workpiece of relatively large diameter is often machined by turning operations by a swiveling rotary table in a five-axis machining center. This paper presents a machining test containing features finished by a turning operation by a swiveling rotary table.
Ibaraki, Soichi   +2 more
openaire   +3 more sources

Simultaneous Measurement Method and Error Analysis of the Six Degrees-of-Freedom Motion Errors of a Rotary Axis

open access: yesApplied Sciences, 2018
Error measurement of a rotary axis is the key to error compensation and to improving motion accuracy. However, only a few instruments can measure all the motion errors of a rotary axis.
Chuanchen Bao, Qibo Feng, Jiakun Li
doaj   +1 more source

Complete factor experiments on fifth-class rotary kinematic couples [PDF]

open access: yesE3S Web of Conferences, 2023
The article presents the analysis of the results of the multi-factor experiment conducted on the experimental tests conducted on the improved fifth-class rotary kinematic pair available in technological machines.
Akbarov Alisher   +2 more
doaj   +1 more source

Improvement of machining accuracy under constant feed speed at milling point with a five axis controlled machining center based on Advanced control Method

open access: yesNihon Kikai Gakkai ronbunshu, 2017
Recently, a novel manufacturing technology has spread out with a five-axis machining center, which is controlled by three linear axes and two rotary axes, because the synchronous control technologies make it feasible agilely to create a three-dimensional
Takamaru SUZUKI   +3 more
doaj   +1 more source

Deep Learning to Directly Predict Compensation Values of Thermally Induced Volumetric Errors

open access: yesMachines, 2023
The activities of the rotary axes of a five-axis machine tool generate heat causing temperature changes within the machine that contribute to tool center point (TCP) deviations.
Huy Vu Ngoc   +2 more
doaj   +1 more source

Fabrication of Sinusoidal Microstructures on Curved Copper Surface by Ultra-Precision Diamond Cutting with a Rotary B-Axis and Fast Tool Servo System

open access: yesApplied Sciences, 2021
While curved surface microstructures have wide applications in optical components and devices, how to achieve high machining accuracy of the microstructures is crucial for their applications.
Xuesen Zhao   +6 more
doaj   +1 more source

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