Results 21 to 30 of about 1,787,073 (298)

Kinematic Analysis of a Serial - Parallel Machine Tool: the VERNE machine [PDF]

open access: yes, 2008
The paper derives the inverse and the forward kinematic equations of a serial - parallel 5-axis machine tool: the VERNE machine. This machine is composed of a three-degree-of-freedom (DOF) parallel module and a two-DOF serial tilting table.
Chablat, Damien   +2 more
core   +5 more sources

THE STOCHASTIC APPROACHES OF PROCESSES’ DESIGN IN VACUUM-PLASMA FORMATION OF NANOSTRUCTURED COATINGS

open access: yesЛитьë и металлургия, 2017
The calculations of the spatial and energy parameters of a single-component metal plasma flow which is moved in a process gas environment using a numerical algorithm of test particle stochastic method are discussed.
I. A. Ivanou   +2 more
doaj   +1 more source

Design of Chatter-Resistant Damped Boring Bars Using a Receptance Coupling Approach

open access: yesJournal of Manufacturing and Materials Processing, 2020
Deep hole boring using slender bars that have tuned mass dampers integrated within them make the boring process chatter vibration resistant. Dampers are usually designed using classical analytical solutions that presume the (un)damped boring bar which ...
Ajay Yadav   +3 more
doaj   +1 more source

Multi-agent framework based on smart sensors/actuators for machine tools control and monitoring [PDF]

open access: yes, 2006
Throughout the history, the evolutions of the requirements for manufacturing equipments have depended on the changes in the customers' demands. Among the present trends in the requirements for new manufacturing equipments, there are more flexible and ...
Archimède, Bernard, Desforges, Xavier
core   +3 more sources

Five-Axis Machine Tool Condition Monitoring Using dSPACE Real-Time System [PDF]

open access: yes, 2012
This paper presents the design, development and SIMULINK implementation of the lumped parameter model of C-axis drive from GEISS five-axis CNC machine tool.
Fletcher, Simon   +4 more
core   +1 more source

Optical equipment for measuring deformation of machine tool components [PDF]

open access: yes, 2016
This paper describes the possibilities of measuring deformation of machine tool components based on monitoring change in the optical beam path. Deformation is evaluated relatively between an optical beam source and a sensing element.
Chládek Š.   +3 more
core   +1 more source

Cu/Cu bonding and SiO2/SiO2 bonding by surface activated bonding at room temperature for hybrid bonding technique

open access: yesNihon Kikai Gakkai ronbunshu, 2015
It has been said that the end of Moore’s law will be reached in 10 to 20 years. Three dimensional integration technology is expected to be a possible solution in the post-Moore era.
Jun UTSUMI, Kensuke IDE
doaj   +1 more source

Characterization and Evaluation of Rotation Accuracy of Hydrostatic Spindle under the Influence of Unbalance

open access: yesShock and Vibration, 2020
The paper studies the characterization and evaluation technology of rotation accuracy of hydrostatic spindle under the influence of unbalance. The dynamic model of the motion error of the hydrostatic spindle is established based on the dynamic parameters.
Dongju Chen, You Zhao, Jingfang Liu
doaj   +1 more source

Modelling of cutting process impact on machine tool thermal behaviour based on experimental data [PDF]

open access: yes, 2017
Achieving high workpiece accuracy is a long-term goal of machine tool designers. There are many causes of workpiece inaccuracy, with thermal errors being the most dominant.
Horejš O., Mareš M.
core   +1 more source

Development of comprehensive performance testing technology for motorized spindle

open access: yesAdvances in Mechanical Engineering, 2018
The comprehensive performance test of motorized spindle will contribute to improve the machining quality of machine tool. But existing standards for testing the performance of motorized spindle are limited to test its partial static and dynamic ...
Junwen Wang   +5 more
doaj   +1 more source

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