Typical case of vacuum casting equipment monitoring
The vacuum quenching furnace is suitable for the solution treatment and the timely treatment of large and medium-sized vacuum product parts. Vacuum high-pressure gas quenching furnace is a very advanced vacuum heat treatment equipment. Its excellent performance and unique design provide a wide range of vacuum bright gas for high-precision parts of high-speed steel, die steel, stainless steel, alloy steel, titanium alloy and other alloy materials. Quenching, annealing, sintering and rapid cooling of magnetic materials.
At present, the domestic advanced vacuum furnace control equipment has temperature uniformity, the mechanical system is stable and reliable, the quenching transfer time is rapidly adjustable, and the temperature control system is fully functional. The successful application of the Kingview software on the vacuum furnace equipment Improve the overall automation level of the quench furnace equipment. Realistic animation effects and tailored functional properties make the system more practical and easier to control.
Second, system overview
Public opinion knows that the safe and stable operation of equipment depends on its advanced control system. This system is mainly composed of PLC equipment, instrumentation equipment and upper computer part, ie "Industrial Control + Configuration King". The structure is shown in Figure 1.
The upper monitoring system is configured as follows: two IO servers are redundant, one alarm server, one history record server, one client, and the system is set to be released on the network. IO Server Installation The Kingview software communicates with the PLC system separately. It mainly controls the on-site PLC, temperature control instruments, frequency converters and other equipment to achieve automatic temperature setting and acquisition, auxiliary system control, and simultaneous acquisition of vacuum and voltage. System, pulse frequency, pulse count and other parameters. The alarm server realizes the recording of the entire system alarm, and the alarm information generated on the IO server is transmitted to the designated alarm server through the network. After the alarm server verifies, the alarm information is generated and recorded. The history server records historical data. The on-site operating status and all real-time data and historical data can be viewed and controlled by the client. The client can publish on the network and view the production process through the IE mode on the network.
Third, system function and characteristic
As the upper display part of the monitoring system, Kingview software can not only simulate the on-site equipment operation state with realistic animation, but also adopts chain control for the key process processes of the system, providing warning functions for artificially-prone misoperations and maximizing guarantees. The safe and reliable operation of the system. The system has the following features:
1. According to the technological requirements, adhere to the principle of high reliability, economy, and simplicity.
2. The entire operation process can realize remote monitoring, control and management of the computer, and realize high-quality, low-cost, stable and reliable operation methods;
3, the control system can complete the furnace temperature measurement and automatic control, can set different temperature control processes for different production materials and record.
4, the control system has an alarm function, can make alarm notifications, prompts and store queries.
5, man-machine dialogue, can modify the process parameters, and display the temperature, time and other major parameters, you can view the various control system parameters, such as PID parameters, alarm parameters.
6. Provides graphical display of data and trend display, provides real-time display of data alarms and history display, and can generate report forms.
7. It can realize the simulation and dynamic display of the working state of the furnace, and can provide complete equipment operation data records (flow control, pressure control, vacuum degree, etc.) of the equipment, and can provide data reports, so as to facilitate the tracking of data archiving.
8, can provide client remote data access. Monitor the running status of remote devices through Internet through IE browsing to ensure that the remote device runs normally.
Fourth, the screen display
1, vacuum quench furnace monitoring home screen
Through the main screen, the device composition and important data information can be displayed intuitively, and the running status of the field device can be simulated through various colors and animations.
2ã€Parameter setting screen
Kingview is currently able to connect thousands of industrial automation equipment such as PLCs, smart meters, boards, modules, and frequency converters. In this project, PLCs and temperature control instruments are mainly used for communication, and various temperature control parameters are set through the configuration of the king screen. Download to device.
3, temperature control curve screen
In the upper computer control system, the real-time temperature of the current process of the equipment is collected and collected once every minute to display the real-time temperature variation curve or trend chart, so that the operator can observe the temperature change situation in the vacuum carburizing furnace more intuitively. At the left end of the screen, the temperature control table can be started and stopped at any time, and the output state of the table can be observed visually.
4, history curve screen
History curve screen can freely view vacuum, pressure, temperature and other important system parameters, flexible curve display and practical curve tools to facilitate curve analysis.
5, batch management screen
This is an important function of the entire system, because, as required, after the user processes the workpiece, some information of the entire batch of workpieces will be entered into the system (such as the workpiece number, process number, equipment number, batch, etc.). Will be based on the user input field can be called and can be printed, the production process and quality monitoring, when the quality problem can quickly and accurately identify the cause.
V. Conclusion
The vacuum quenching furnace system supported by the Kingview monitoring software is favored by the majority of electrotechnical products companies for its complete vacuum system, reliable metering, safe heating technology and advanced measurement and control systems. The high reliability and versatility of the superior monitoring system meet the various production process requirements of field users, making the overall performance of the system approach the advanced level of similar foreign equipment. According to relevant statistics, the vacuum furnace production system supported by Kingview has occupied more than 70% of the domestic market share, and has begun to continuously seize the foreign electrician market.
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