Lilija I. Martinova

Moscow state technological University "STANKIN" (MSTU “STANKIN”) · Department of computer control systems

The developed cross-platform toolkit is presented and the methodology for its use for programming trusted CNC systems is described. The use of canned cycles in a trusted CNC system allows to quickly and flexibly change production processes, in particular when changing the range of products or if it is necessary to replace equipment with a changing...

The construction of a trusted CNC system on the basis of the AxiOMA Control platform is described. Certain improvements in the computing system based on the Elbrus-8C processor with the Alt Linux operating system permit its use in the real time module of the CNC system. The structure of the control system is established, and interaction of the CNC...

The power of computing resources brought by cloud technologies expands the information space of the shop floor. Given that machine-building shop floors are equipped with technological equipment from different manufacturers and years of release, it is almost impossible to find a ready-made turnkey solution for creating a single information space in...

The work is devoted to the study and solution of the problems of safety operation of CNC equipment in "smart" digital manufacture. The principles of ensuring the safety operation of CNC machine mechanisms based on external programmable logic safety controllers are considered. Theoretical aspects of the development and practical solution of Safety P...

The article proposes a model of the components of the subsystem for evaluating and monitoring the health of a CNC machine. A distinctive feature of the presented solution is that it is not limited to collecting diagnostic information from technological equipment and drawing up reports. Methods for the analysis of information have been developed tha...

The analysis shows that the development of programming tools for CNC systems is focused on the development of new machine canned cycles, including those for processing complicated surfaces, their complex combinations or complex mutual arrangement, but does not concern such issues as the universalization of cycle parameters. This does not make it im...

The transition to cloud-based technology in the field of CNC systems requires significant changes to the architecture of the control system, which is associated with a partial loss of funds already invested in its development. The paper suggests an approach to the architectural organization of the CNC system modules, which allows reconfiguring the...

The problem of forming motion speed control and its solution in numerical control systems are investigated. A look ahead algorithm algorithm based of simple kinematic equations is offered, which is not sensitive to the instability of the cycle of data exchange with drivers. The results of algorithm’s application in a real-world CNC system are inclu...

The problems of using CAM-applications for shop floor programming are studited. The reasons of problems of transfer of the created control programs from one CNC systems to another are revealed. A solution for unifying the format of recording of machine cycles is proposed and its applying for different CNC systems is demonstrated..

The article discusses the approach to the implementation of cutting simulation in the CNC system. Simulation of cutting before starting the actual machining of the product allows you to avoid many errors associated with the positioning, reorientation of the tool, check the correctness of the tool’s approach to the workpiece, etc. This becomes espec...

Adaptation of the user interface of the CNC system to work with machines with dynamic kinematics is considered in this paper. The method of changing the kinematic processing scheme “on the fly” should also allow switching user screens “on the fly”, changing them to the option that is currently needed. For these purposes, the basic functionality of...

Abstract The main global trends in the production of high-technology CNC systems are identified. Topics analyzed include system architecture; the use of high-speed industrial networks based on fieldbus technologies; the potential of multiple-channel and multiple-axis machining; spline interpolation in the machining of complex contours and free surf...

The diverse requirements of customers in automation systems increase the need for improved adaptability, flexibility and of simplicity production processes. which creates new horizons for modern production systems. Fortunately, the achievements of the Industry 4.0 (fourth industrial revolution) have provided many solutions to these problems. In thi...

Low-priced individual goods are sought-after, which creates demand for resource-effective technologies and sustainably developing industry. Machine maintenance is performed according to machine builders' regulations, while digital technologies offer approaches, based on on-line monitoring, diagnosing of equipment and comparing data with standards,...

The tendencies in the development of part programs for CNC machine tools are considered, the used programming methods are analysed, and the compatibility problem of interactive programming systems is proved. An approach is proposed with the use of canned cycles, which allows to unify the process of dialog programming for machines with CNC systems f...

During modernization of machines, development of prototypes, development or the retrofit of special modifications, a part of previously used components stay in the system. It is not rational to replace it. CNC system in this case should support the multiprotocol control and provide the possibility to configure mixed equipment. Modern servo drives h...

The paper discusses the development of a generic platform underlying the design of custom CNC systems for hi-tech production complexes, where either conventional CNC systems are inapplicable or control tasks cannot be fully accomplished.

An analysis of laser-dotted engraving technological specifics and laser-impulse machines control problems is presented. The main problem for material processing with impulse laser emission is the necessity to maintain the impulse frequency in a fixed interval. Any violation of this interval isn’t allowed, because it leads to significant energy disp...

The article describes basic principles of creating software tools for monitoring and parameter visualization in computer control system of industrial robots. Concept of creating extendable data monitoring subsystem with open modular software architecture purposed. Architectural models, algorithms and software implementation of control system compon...

This paper grounds the necessity of creating a Russian multifunctional Hi-End CNC system with world-level functional capabilities. An arranging mechanism of CNC systems for concrete process tasks is developed. And finally, this system is adapted to a hydroabrasive complex, a laser control system, a turning lathe and a milling machine.

New technologies, such as: additive, hybrid technologies based on new physical principles, machining of new (non-traditional) structures, etc., envisage new requirements for control systems. The tasks of controlling non-traditional processes go beyond the capability of classical open CNC systems which does not allow them to be used to solve the new...

This paper considers the architecture and design specifics for the subsystems of axle synchronization and exact positioning in an open modular numerical control system. The authors present practical results of solving these problems for gear-hobbing machines and a coordinate measuring machine. Finally, the features of motion control are identified...

In order to ensure the competitiveness of production one has to reduce the machine idle time caused by tool failure and to carry out scheduled preventive maintenance work. To solve these problems, standalone or integrated in the CNC system measurement tools are used in order to configure the servo drive and to diagnose inputs/outputs of the PLC. Th...

Hybrid and also multitasking machine tools are equipped with a multifunction NC system. The popularity of multitasking machines is growing because of the decrease of the necessity to use manufacturing equipment and the reduction of the workpiece refixturing during processing. Hybrid machines provide a more efficient and productive manner of process...

The problem of monitoring and forecasting the remaining cutting tool durability is formulated and an architectural model of a generalized diagnostic system and its software implementation are suggested. A diagnostic module/CNC system kernel protocol is specified and a universal solution to diagnosing and predicting cutting tool wear is presented be...

Five classes of HiEnd numerical control systems may be distinguished in terms of their architecture. The first class is computerized numerical control (CNC), based on a PC. In the second class, PCNC1 (Personal Computer Numerical Control), the com puter is only used to operate the terminal. The third class, PCNC2, requires two comput ers: the first...