A Lossless Compression Algorithm of Nc Code of CNC Machine Tool based on Bidirectional GRU

2020 ◽  
Author(s):  
Yanbo Wang ◽  
Guofa Li ◽  
Jialong He ◽  
Lingda Kong
Keyword(s):  
Machine Tool ◽  
Lossless Compression ◽  
Compression Algorithm ◽  
Cnc Machine Tool ◽  
Cnc Machine ◽  
Nc Code

Research on Real-Time Synthetic Error Compensation Principle for CNC Machine Tool

2011 ◽  
Vol 314-316 ◽  
pp. 2454-2457 ◽  
Author(s):  
Gang Wei Cui ◽  
Jia Lu ◽  
Yu Feng Gu ◽  
Dong Gao ◽  
Hong Cai Wang ◽  
...  
Keyword(s):  
Machine Tool ◽  
Coordinate System ◽  
Real Time ◽  
Error Compensation ◽  
Thermal Error ◽  
Geometric Error ◽  
Cnc Machine Tool ◽  
Cnc Machine ◽  
Nc Code ◽  
Environment Temperature

Synthetic error of CNC machine tool, mainly including geometric error and thermal error, is generally affected by many factors. And temperatures that include environment temperature and temperature asymmetry of machine tool are most important factor. Aiming at geometric error and thermal error mainly, this paper proposed a real-time synthetic error compensation solution for CNC machine tool based on Differential Resolver Function (DRF). The principle of this solution is offsetting the origin of workpiece coordinate system when implementing the NC code in machine tool. After real-timely collecting machine tool coordinates position and thermal key points’ temperatures, synthetic errors are calculated by the synthetic model that is beforehand constructed and stored in compensation equipment, and then the pulses that represent coordinate system origin offsetting value are generated and sent into NC system by DRF to realize synthetic error compensation of CNC machine tool.

Researches Regarding the Use of Fuzzy Controllers within CNC Feed Drives

2015 ◽  
Vol 772 ◽  
pp. 229-234
Author(s):  
Radu Eugen Breaz ◽  
Octavian Bologa
Keyword(s):  
Machine Tool ◽  
Fuzzy Controller ◽  
Cnc Machine Tool ◽  
Cnc Machine ◽  
Fuzzy Controllers ◽  
Feed Drive ◽  
Feed Drives ◽  
Simulation Based ◽  
Position Controller ◽  
Dc Servomotor

This paper presents some simulation based upon a dynamic model of a feed-drive within the structure of a CNC machine tool. A DC servomotor was considered as actuation device for the feed drive. For a given set of parameters for the position controller, two fuzzy types of fuzzy controllers were tested by means of simulation. The first fuzzy controller was a proportional one, with one input and one output, while the second one was a two variables one, with two inputs and one outputp.

Application of Ubiquitous Sensor Network in Collection and Analysis of CNC Machine Tool Processing Status Information

2010 ◽  
Vol 455 ◽  
pp. 621-624
Author(s):  
X. Li ◽  
Y.Y. Yu
Keyword(s):  
Machine Tool ◽  
Sensor Network ◽  
Machine Tools ◽  
Thermal Error ◽  
Development Trend ◽  
Cnc Machine Tools ◽  
Cnc Machine Tool ◽  
Cnc Machine ◽  
Status Information ◽  
The Development Trend

Because of the practical requirement of real-time collection and analysis of CNC machine tool processing status information, we discuss the necessity and feasibility of applying ubiquitous sensor network(USN) in CNC machine tools by analyzing the characteristics of ubiquitous sensor network and the development trend of CNC machine tools, and application of machine tool thermal error compensation based on USN is presented.

scholarly journals Decision-making Tool for Moving from 3-axes to 5-axes CNC Machine-tool

2016 ◽  
Vol 91 ◽  
pp. 184-192 ◽  
Author(s):  
Octavian Bologa ◽  
Radu-Eugen Breaz ◽  
Sever-Gabriel Racz ◽  
Mihai Crenganiş
Keyword(s):  
Decision Making ◽  
Machine Tool ◽  
Cnc Machine Tool ◽  
Cnc Machine ◽  
Decision Making Tool
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