Numerical control machining simulation: a comprehensive survey

2011 ◽  
Vol 24 (7) ◽  
pp. 593-609 ◽  
Author(s):  
Yu Zhang ◽  
Xun Xu ◽  
Yongxian Liu
Keyword(s):  
Numerical Control ◽  
Machining Simulation ◽  
Numerical Control Machining ◽  
Comprehensive Survey

Research on Numerical Control Machining Simulation Based on Power Mill and VERICUT

2011 ◽  
Vol 121-126 ◽  
pp. 2200-2204
Author(s):  
Chao Wang ◽  
Lin Nan Han ◽  
Yuan Yao ◽  
Qian Sheng Zhao ◽  
Qing Xi Hu
Keyword(s):  
Production Efficiency ◽  
Numerical Control ◽  
Virtual Simulation ◽  
Cavity Model ◽  
Machining Simulation ◽  
Numerical Control Machining ◽  
Simulation Process ◽  
Simulation Based ◽  
Physical Processing ◽  
Cutting Experiments

To prevent the collision of tools and machine during the process of numerical control processing, reduce the number of cutting experiments and improve the production efficiency, it is a better way by using virtual simulation. This paper based on a mold cavity model of STL files, realized the numerical control programming based on Power Mill, researched the dynamic simulation process based on VERICUT, and at last verified the correctness and practicability of VERICUT simulation result by physical processing, which provided a reliable reference for physical machining.

Research of the Numerical Control Machining Simulation

2012 ◽  
Vol 546-547 ◽  
pp. 767-771 ◽  
Author(s):  
Xia Xie ◽  
Ai Fen Xu ◽  
Xue Cheng Lu ◽  
Bin Wang
Keyword(s):  
Collision Detection ◽  
Geometric Modeling ◽  
Material Removal ◽  
Concept Development ◽  
Numerical Control ◽  
Machining Simulation ◽  
Numerical Control Machining ◽  
Nc Code ◽  
Modeling Technology ◽  
Nc Machining Simulation

In this paper, the concept, development status and trend of NC machining simulation technology were reviewed and its four key technologies were emphatically introduced, which were geometric modeling technology, NC code translation, entity collision detection and the material removal process simulation respectively.

Digital Twin–oriented real-time cutting simulation for intelligent computer numerical control machining

2020 ◽  
pp. 095440542093786
Author(s):  
Xian Cao ◽  
Gang Zhao ◽  
Wenlei Xiao
Keyword(s):  
Computer Numerical Control ◽  
Numerical Control ◽  
Machining Process ◽  
Machining Simulation ◽  
Process Data ◽  
Numerical Control Machining ◽  
Digital Twin ◽  
Twin System ◽  
Computer Numerical Control System ◽  
Complete Process

Digital Twin has become a frontier research topic in recent years and the important development direction of intelligent manufacturing. For numerical control machining, a Digital Twin system can be used as an intelligent monitoring and analysis center by reflecting the real machining process in a virtual environment. The machining simulation is the key technology to realize this kind of application. However, existing machining simulation systems are designed for off-line situation that cannot be used directly in Digital Twin environment. The challenges for machining simulation are analyzed and explained in this article: (1) complete process data representation in simulation system; (2) executing in cooperating with computer numerical control system; (3) more efficient simulation algorithm. In order to meet these challenges, a new machining simulation system is proposed. STEP-NC standard is used to save complete process data exported from the computer-aided manufacturing system and synchronization algorithm is developed based on the communication data of computer numerical control system. Most importantly, an optimized tri-dexel-based machining simulation algorithm is developed to perform high efficiency that can follow the real machining process. Finally, a Digital Twin system for NC machining is presented that has been tested and verified in a workshop located in COMAC (Commercial Aircraft Corporation of China Ltd).

Interference Detection in Numerical Control Simulation Based on Octree Sphere Model

2013 ◽  
Vol 645 ◽  
pp. 430-434
Author(s):  
Chun Ming Li ◽  
Zhuo Yang ◽  
Min Wang
Keyword(s):  
Detection Method ◽  
Numerical Control ◽  
Interference Detection ◽  
Curved Surfaces ◽  
Machining Simulation ◽  
Sphere Model ◽  
Numerical Control Machining ◽  
Control Simulation ◽  
Nc Simulation ◽  
Simulation Based

This paper presentes an interference detection method for workpiece and tool in numerical control machining simulation process.In this method the workpiece is presented by an octree hierarchy sphere model, and outside surfaces of the machining tool are presented by some simple curved surfaces. Using the minimum touching moment between these spheres and surfaces to detect the interference between the workpiece and the machining tool，the judgement problem of the interference in NC simulation is solved. Through this method, the interference judgment becomes convenient and effective after the octree sphere model was established. Finally, we also give an example to explain the algorithm.

A novel specific four-axis linkage method for processing the hourglass worm

2019 ◽  
Vol 234 (7) ◽  
pp. 1414-1422
Author(s):  
Xinyang Qiu ◽  
Yanqin Zhang ◽  
Qiwu Zhou ◽  
Fangyan Zheng
Keyword(s):  
Worm Gear ◽  
Numerical Control ◽  
Virtual Model ◽  
Machining Simulation ◽  
Numerical Control Machining ◽  
Machining Center ◽  
Linkage Method ◽  
Tooth Surfaces ◽  
Traditional Processing ◽  
Center Distance

To improve the flexibility of hourglass worm processing equipment, a specific four-axis linkage method for processing hourglass worm, which is called CZXB method, is presented in the paper. Based on the forming principle of the hourglass worm, machining principle and the traditional processing method were elaborated in detail. And then, the CZXB method that aims to apply four feed-movements linkage to simulate the conjugated rotary motions between the worm and its worm gear was proposed. According to the basic theory of rigid body kinematics, the scientific and feasibility of the CZXB method were demonstrated. Based on the computer numerical control machining simulation system, VERICUT, a virtual model of the machine tool with CZXB function, was established. A multi-thread hourglass worm was taken as an example to simulation processing by the CZXB method. Trial manufacturing was performed: tooth grooves of the hourglass worm were cut out by the traditional method, and tooth surfaces of the hourglass worm were finishing machined by the CZXB method. The result shows that machining center distance of the CZXB method is less than center distance of the worm gear pairs. Implementing the CZXB method can significantly enhance the flexibility of machining equipment of the hourglass worm.

Adaptive spiral tool path generation for computer numerical control machining using point cloud

2021 ◽  
pp. 095440622199007
Author(s):  
Mandeep Dhanda ◽  
Aman Kukreja ◽  
SS Pande
Keyword(s):  
Tool Path ◽  
Cnc Machining ◽  
Numerical Control ◽  
Numerical Control Machining ◽  
Form Errors ◽  
Spiral Tool Path ◽  
Novel Method ◽  
Mesh Grid ◽  
Cloud Of Points ◽  
Cam Software

This paper reports a novel method to generate adaptive spiral tool path for the CNC machining of complex sculptured surface represented in the form of cloud of points without the need for surface fitting. The algorithm initially uses uniform 2 D circular mesh-grid to compute the cutter location (CL) points by applying the tool inverse offset method (IOM). These CL points are refined adaptively till the surface form errors converge below the prescribed tolerance limits in both circumferential and radial directions. They are further refined to eliminate the redundancy in machining and generate optimum region wise tool path to minimize the tool lifts. The NC part programs generated by our algorithm were widely tested for different case studies using the commercial CNC simulator as well as by the actual machining trial. Finally, a comparative study was done between our developed system and the commercial CAM software. The results showed that our system is more efficient and robust in terms of the obtained surface quality, productivity, and memory requirement.

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