Results 21 to 30 of about 22,928 (311)

Improvement of machining accuracy for 3D surface machining with CNC lathe

open access: yesJournal of Advanced Mechanical Design, Systems, and Manufacturing, 2018
The present paper describes a new non-axisymmetric curved surface turning (NACS-Turning) method. Fast tool servo (FTS) technology has been widely researched and developed. However, the movable range of the FTS is limited to a few millimeters owing to its
Keigo TAKASUGI   +4 more
doaj   +1 more source

Optimization of hole making processes considering machining time and machining accuracy

open access: yesJournal of Advanced Mechanical Design, Systems, and Manufacturing, 2017
In machining, hole-making process takes up large part of the manufacturing processes. In previous hole-making processes optimization researches, researcher considered machine tools to have movement control on 3-axis.
Eric H. GUIOTOKO   +2 more
doaj   +1 more source

Precision in the Mechanical Removal Processing of a Nanosheet by AFM Probe

open access: yesJournal of Advanced Mechanical Design, Systems, and Manufacturing, 2010
This paper presents nano mechanical removal processing of a potassium niobate nanosheet with an atomic force microscope (AFM). In particular, we examined the control processing method for the direction of the nanosheet surface in order to attain a high ...
Kazuya DEMURA   +3 more
doaj   +1 more source

Pulse Width Tuning in Electrochemical Micro-Machining System

open access: yesIEEE Access, 2020
In electrochemical micro-machining technology using ultra-short pulses, the machining accuracy is limited by pulse width of the power supply. Here, a mathematical model for tuning pulse width in electrochemical micro machining by means of differential ...
Chuanjun Zhao, Lizhong Xu
doaj   +1 more source

On-machine measurement and compensation machining for ultra-precision cutting of optical aspheric surface

open access: yesJin'gangshi yu moliao moju gongcheng, 2022
An in-situ measurement device combining contact probe and capacitive displacement sensor is developed. An aspherical measurement and compensation machining software is also developed. The single point diamond ultra precision cutting experiments for C3604
Liang ZHANG   +6 more
doaj   +1 more source

Cryogenic cooling-based sustainable machining

open access: yes, 2020
Machinability is the most important indicator to measure the performance of any machining operation. Cutting force, surface roughness, tool wear, dimensional accuracy, and cutting temperature, etc. are the most important machinability indicators. Various
Bayraktar, Şenol, Senol Bayraktar
core   +1 more source

Experimental Investigations on Aircraft Blade Cooling Holes and CFD Fluid Analysis in Electrochemical Machining

open access: yesAdvances in Materials Science and Engineering, 2019
The flow field distribution in an interelectrode gap is one of the important factors that affect the machining accuracy and surface quality in the electrochemical machining (ECM) process for aircraft blades. In the ECM process, some process parameters, e.
Mingxia Chai   +3 more
doaj   +1 more source

Experimental Study of the Volumetric Error Effect on the Resulting Working Accuracy—Roundness

open access: yesApplied Sciences, 2020
Currently, various types of software compensations are applied to machine tools. Their aim is to increase the working accuracy of the tools. The improvement in working accuracy is then further assessed according to the increase in the dimensional and ...
Michal Holub   +6 more
doaj   +1 more source

Investigation of Spatial Symmetry Error Measurement, Evaluation and Compensation Model for Herringbone Gears

open access: yesApplied Sciences, 2023
In the machining process for herringbone gears manufactured by numerical control gear-shaping machines, out-of-tolerance problems of symmetry error generally exist.
Zhipeng Liang, Huawei Zhou
doaj   +1 more source

Enhancement of Machining Accuracy Utilizing Varied Cooling Oil Volume for Machine Tool Spindle

open access: yesIEEE Access, 2020
In this study, varied cooling oil volume (VOV) control was developed for the oil coolant of a machine tool. This allows adjustment of the oil circulation flow rate in terms of the machining loads and rotational speeds of the spindle to remove the ...
Kun-Ying Li   +4 more
doaj   +1 more source

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