Smooth feedrate planning for continuous short line tool path with contour error constraint
J Dong, T Wang, B Li, Y Ding - International Journal of Machine Tools and …, 2014 - Elsevier
In the machining program for free form surfaces, the tool path is usually represented as
continuous short lines. For the computer numerical control, the feedrate profile for short line …
continuous short lines. For the computer numerical control, the feedrate profile for short line …
Neural network contour error predictor in CNC control systems
This article presents a method for predicting contour error using artificial neural networks.
Contour error is defined as the minimum distance between actual position and reference …
Contour error is defined as the minimum distance between actual position and reference …
[HTML][HTML] Virtual metrology frame technique for improving dynamic performance of a small size machine tool
This paper presents a novel concept, a virtual metrology frame, for enhancing the dynamic
performance of a machine tool with a flexible structural frame. The dynamic properties of a …
performance of a machine tool with a flexible structural frame. The dynamic properties of a …
Excitation-frequency determination based on electromechanical impedance spectroscopy for a laser-microfabricated cavitation microstreaming micromixer
H Jeon, KA Mirgissa, S Baek, K Rhee, D Kim - Sensors and Actuators A …, 2021 - Elsevier
We for the first time propose and validate an electromechanical impedance spectroscopy
(EMIS) technique to determine the resonance frequency (fr) of micromixers for effective …
(EMIS) technique to determine the resonance frequency (fr) of micromixers for effective …
Contouring accuracy improvement using an adaptive feedrate planning method for CNC machine tools
J Chen, F Ren, Y Sun - Procedia CIRP, 2016 - Elsevier
The reduction of contour error plays an important role in achieving high accuracy machining.
To reduce contour error, most of previous studies have focused on developing advanced …
To reduce contour error, most of previous studies have focused on developing advanced …
Learning controller for automatically adjusting servo control activity
K Iijima - US Patent 10,281,884, 2019 - Google Patents
A servo control system includes a position command generator, a position detector for a feed
axis, a positional deviation obtainer for calculating a positional deviation, a position control …
axis, a positional deviation obtainer for calculating a positional deviation, a position control …
Development of an analyzing and tuning technology for improving circularity of cone-frustum motions of five-axis CNC machine tools
D Hidalgo, SS Yeh - The International Journal of Advanced Manufacturing …, 2018 - Springer
The machining of a cone frustum as specified on the ISO 10791-7 standard is a widely
accepted test to evaluate the performance of five-axis machining centers. By measuring the …
accepted test to evaluate the performance of five-axis machining centers. By measuring the …
A frequency domain approach for tuning control parameters of CNC servomotors to enhance its circular contouring accuracy
D Hidalgo, SS Yeh, JI Lee - Procedia CIRP, 2017 - Elsevier
The machining of a cone frustum as specified in National Aerospace Standard NAS-979 is a
widely accepted test to evaluate the performance of five-axis machining centers. By …
widely accepted test to evaluate the performance of five-axis machining centers. By …
基于阀补偿的电液流量匹配节能系统的动态性能改进
摘要目的电液流量匹配系统通过前馈指令信号来调节泵排量, 故可采用增大阀口开度的方法来
降低能量损失, 但是该方法降低了超越负载工况下的操控性能. 为改进该工况下的系统动态性能 …
降低能量损失, 但是该方法降低了超越负载工况下的操控性能. 为改进该工况下的系统动态性能 …
[PDF][PDF] SIMULAR A MANUFATURA CNC
EG DEL CONTE - alvarestech.com
O aumento da competitividade da produção industrial no nível global, principalmente no
setor metal mecânico, determina que o processo de manufatura somente será viabilizado …
setor metal mecânico, determina que o processo de manufatura somente será viabilizado …