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Trajectory-Based Identification of Rotary-Axis Position-Independent Geometric Errors Considering Excitation Projection Effects [PDF]

open access: yesMicromachines
Improving the identification accuracy of geometric errors in five-axis machine tools is a critical requirement in advanced manufacturing. Although rotary axes enhance machining flexibility and productivity, they introduce additional geometric errors ...
Songtao He   +6 more
doaj   +2 more sources

Development of a new CNC grinding machine for 3+2-axis grinding of the profile rotary milling cutter [PDF]

open access: yesScientific Technical Review, 2022
Due to the great expansion of woodworking, profile tools manufacturing has become current and in demand. In wood industry there are two large groups of tools: rotary and spindle milling cutters that can be profile or flat.
Milutinović Milan   +5 more
doaj   +1 more source

Simultaneous Measurement Method and Error Analysis of Six Degrees of Freedom Motion Errors of a Rotary Axis Based on Polyhedral Prism

open access: yesApplied Sciences, 2021
A novel method is proposed for measuring the six degrees-of-freedom (DOF) geometric motion errors of a rotary axis based on a polyhedral prism. An error-sensitive unit which consists of a polyhedral prism and a planar reflector, is designed to carry out ...
Dong Ma   +5 more
doaj   +1 more source

A novel geometric error identification and prediction approach [PDF]

open access: yesMATEC Web of Conferences, 2022
This paper proposed an integrated geometric error identification and prediction method to solve the uncertainty problem of the PDGEs of rotary axis.
Fan Jinwei, Wang Peitong, Li Zhuang
doaj   +1 more source

Test-Retest and Inter-Rater Reliability of a Rotary Axis Encoder-Flywheel System for the Assessment of Hip Rotation Exercises

open access: yesApplied Sciences, 2023
Background: Flywheel devices have found extensive use as a resistance training method. Performance monitoring during functional exercises can be achieved through a coupled rotary axis encoder.
Silvia Lahuerta-Martín   +6 more
doaj   +1 more source

THEORETICAL SUBSTANTIATION OF THREE-BLADE ROTARY FEEDER [PDF]

open access: yesVolga Region Farmland, 2022
The analysis of resource-saving technologies of cultivation and refinement of agricultural crops confirmed that the use of PSS pneumatic sorting tables allows to somewhat reduce the costs of cleaning and sorting.
A.V. Machnev   +5 more
doaj   +1 more source

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

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

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

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

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