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Trajectory-Based Identification of Rotary-Axis Position-Independent Geometric Errors Considering Excitation Projection Effects [PDF]
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
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Development of a new CNC grinding machine for 3+2-axis grinding of the profile rotary milling cutter [PDF]
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
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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
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A novel geometric error identification and prediction approach [PDF]
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
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
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THEORETICAL SUBSTANTIATION OF THREE-BLADE ROTARY FEEDER [PDF]
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
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Laser R-Test for Angular Positioning Calibration and Compensation of the Five-Axis Machine Tools
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
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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
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Complete factor experiments on fifth-class rotary kinematic couples [PDF]
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
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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

