منابع مشابه
Two Dimensional Feedrate Control for High Performance Cnc Machine Tools
This paper proposes a new feedrate control technique of CNC that can achieve high machining accuracy and high productivity. The proposed adaptive neuro-controller adjusts both components of the feedrate and makes an improved command of contour geometry. This control architecture consists of a neural network identifier (NNI) and an iterative learning algorithm with inversion of the NNI. The NNI ...
متن کاملAn Integrated Process Planning Approach for CNC Machine Tools
In view of the high investment and tooling cost of a CNC machining centre, the cutting and idle times should be optimised by considering the tool consumption and the non-machining time cost components. In this paper, we propose a detailed mathematical model for the operation of a CNC machine tool which includes the system characterisation, the cutting conditions and tool life relationship, and ...
متن کاملThe feedrate scheduling of NURBS interpolator for CNC machine tools
This paper proposes an off-line feedrate scheduling method of CNC machines constrained by chord tolerance, acceleration and jerk limitations. The off-line process for curve scanning and feedrate scheduling is realized as a pre-processor, which releases the computational burden in real-time task. The proposed method first scans a non-uniform rational B-spline (NURBS) curve and finds out the cruc...
متن کاملReal-Time Interpolators for Multi-Axis CNC Machine Tools
This paper presents a new real-time interpolation architecture for CNC machine tools. The real-time approach calculates new commands for the control loops during a short period of one sampling time. This makes the real-time interpolator capable of generating accurate references for the axes and eliminates unneeded in-segment accelerations and decelerations. Consequently, it produces smoother pa...
متن کاملIntelligent Cad/cam System for Programming of Cnc Machine Tools
This paper suggests the automated programming of CNC-machine tools with the help of artificial intelligence. Based on a CAD-model of the product, the system, without any help from an expert, automatically prepares a CNC program, so that the machining is safe, accurate and time-efficient. The developed CAD/CAM system uses NSGA-II multi-objective optimisation and swarm intelligence. The system co...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Mechanik
سال: 2018
ISSN: 0025-6552
DOI: 10.17814/mechanik.2018.8-9.103