Results 21 to 30 of about 18,727 (182)

Distributed machining control and monitoring using smart sensors/actuators [PDF]

open access: yes, 2004
The study of smart sensors and actuators led, during the past few years, to the development of facilities which improve traditional sensors and actuators in a necessary way to automate production systems. In an other context, many studies are carried out
Desforges, Xavier   +3 more
core   +3 more sources

Research on Life Prediction of Fan Spindle Bearing Based on Gated Recurrent Unit Neural Network [PDF]

open access: yesE3S Web of Conferences, 2021
In order to solve the problems of redundancy calculation and inefficiency of traditional machine learning algorithm in dealing with large amount of historical data of fan, a new predictive algorithm based on gated recurrent unit (GRU) is proposed to ...
Ma Jianeng
doaj   +1 more source

An investigation into reducing the spindle acceleration energy consumption of machine tools [PDF]

open access: yes, 2016
Machine tools are widely used in the manufacturing industry, and consume large amount of energy. Spindle acceleration appears frequently while machine tools are working. It produces power peak which is highly energy intensive. As a result, a considerable
Jia, Shun   +5 more
core   +2 more sources

Design of Compound Machine Tool for Ultra-Precision Shaft Parts [PDF]

open access: yesMATEC Web of Conferences, 2020
Ultra-precision shaft components are widely used, such as the shaft core of air-floating spindle, etc. At present, the final precision of such workpieces are difficult to reach through CNC machining tools, but often with the help of manual grinding, of ...
Sun Zizhou   +5 more
doaj   +1 more source

PASSIVE TORQUE SIMULATION OF SMALL ANGULAR CONTACT BEARING AT HIGH SPEED [PDF]

open access: yes, 2017
Description of common ball bearing torque models was presented and adopted to the complex thermo-mechanical model of the high speed spindle. Ball bearing passive torque was measured on the own high-speed spindle design.
Kekula J., Smolík J., Sulitka M.
core   +1 more source

A novel haptic model and environment for maxillofacial surgical operation planning and manipulation [PDF]

open access: yes, 2012
This paper presents a practical method and a new haptic model to support manipulations of bones and their segments during the planning of a surgical operation in a virtual environment using a haptic interface. To perform an effective dental surgery it is
Arnez, Victor   +7 more
core   +1 more source

Perbandingan Eksperimental dan Simulasi Frekuensi Pribadi pada Struktur Spindel CNC

open access: yesRekayasa Mesin, 2020
The Research was about the comparison between experiment and simulation of natural frequency in CNC spindle. CNC spindle vibration will reduce machine tool performance. It could lead to the damage of the machine tool.
Hendri Van Hoten   +3 more
doaj   +1 more source

A study of thermo-elastic characteristics of the machine tool spindle [PDF]

open access: yesMATEC Web of Conferences, 2019
In order to avoid the failure of machine tools spindles in the real machining process due to an increase in temperature, it is essential to predict its thermal behavior in the designing phase.
Zivkovic Aleksandar   +4 more
doaj   +1 more source

Research on Vibration Characteristics of a Ceramic Spindle Based on the Reverse Magnetic Effect

open access: yesShock and Vibration, 2019
The electromagnetic radial force about a ceramic spindle affects the spindle dynamic, which determines the quality of processing. Using a Timoshenko beam unit to build the dynamic model for the ceramic spindle, the dynamic characteristic of an angular ...
Ke Zhang   +4 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

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