With the increasing use of network technology, it is only a matter of time before the Internet enters the workshop, which will be the main symbol of digital manufacturing.
From another point of view, if the enterprise resource plan is limited to the information management of the upper management of the business management department (people, finance, materials, production, supply, sales) or design and development, it is not enough. Equipment - CNC machine tools can not be connected to the network or information, it will become the bottleneck of manufacturing informationization. Therefore, for the modern manufacturing plant, in addition to improving the numerical control rate of the machine tool, it is necessary to have the two-way, high-speed network communication function of the CNC machine tool to ensure the information flow between the bottom layer and the bottom layer and the upper layer of the workshop. Communication between the two is unimpeded.
For example, Mazak Japan introduced a new generation of machining centers that not only automate the machining process and tool exchange, but also equipped an external device called an e-Tower, including computers, mobile phones, off-board and in-camera cameras. Ability to communicate voice, graphics, video and text. The machine is networked with the production schedule to reflect the machine's working status and processing progress in real time. The operator needs fingerprint confirmation permission, and observes the processing process, fault alarm display, and online help exclusion on the screen. It is an independent, self-managing manufacturing unit.
The company's production planning and scheduling system arranges a week's processing tasks and sends them to the information tower. The tower gives instructions to the operator and displays the real-time working status of the machine on the screen. The operator follows the on-screen instructions. When you encounter a problem, you can always consult the operating manual in your computer. Under normal circumstances, the machine automatically works, and the operator and the machine are separated in time and space. Managers and operators are equipped with mobile phones, which can be used to query production conditions, estimated processing completion time, and delay reports and fault alarms.
In the event of a machine failure, the screen will show you how to troubleshoot. Mazak's repair center can see the problem at the same time, providing assistance in a timely manner to minimize machine downtime.
New generation CNC system
The latest product from Andron, Germany, is a new generation of microcomputer-based open CNC systems on the Windows platform.
It uses two Intel processors to communicate with each other via a PCI-PCI bridge. One processor is responsible for numerical control operations (NC computers) and the other is used as a human interface computer. An NC CPU card and an NC machine card are inserted in the NC computer. The NC machine card is connected to the CNC drive and communicates with the HMI computer via two bus cards with PCI bridges. The internal bus card of the HMI computer is connected to the control panel of the CNC system and the external interface. The CPU card of the HMI computer controls the touch LCD display as well as computer peripherals and network communications.
The traditional numerical control system converts the digital signal of the programming system into a voltage analog signal, and then controls the speed of the driving motor by the magnitude of the voltage. In fact, it is still analog control.
The biggest feature of the new generation CNC system is the serial real-time communication interface SERCOS and pico-level interpolation technology. It integrates position control, speed control, precision interpolation, and servo motor control in one integrated circuit. The digital servo drive technology connects the numerical control system and the servo controller with optical fibers by means of the SERCOS interface, which greatly improves the transmission rate and response speed of the system, and can reach nanoseconds.
The performance of CNC system and the improvement of machining accuracy and efficiency of CNC machine tools are inseparable from the accuracy of interpolation. After using SERCOS interface technology, Andron developed a pico-level interpolation technique to increase the interpolation accuracy from 1×10-7m to 0.6×10-12 m.
The higher the interpolation accuracy, the higher the dimensional accuracy of the machined parts. The smaller the surface roughness, the smoother the machine tool movement and the smaller the tool wear, which further reduces the machining cost.
From another point of view, if the enterprise resource plan is limited to the information management of the upper management of the business management department (people, finance, materials, production, supply, sales) or design and development, it is not enough. Equipment - CNC machine tools can not be connected to the network or information, it will become the bottleneck of manufacturing informationization. Therefore, for the modern manufacturing plant, in addition to improving the numerical control rate of the machine tool, it is necessary to have the two-way, high-speed network communication function of the CNC machine tool to ensure the information flow between the bottom layer and the bottom layer and the upper layer of the workshop. Communication between the two is unimpeded.
For example, Mazak Japan introduced a new generation of machining centers that not only automate the machining process and tool exchange, but also equipped an external device called an e-Tower, including computers, mobile phones, off-board and in-camera cameras. Ability to communicate voice, graphics, video and text. The machine is networked with the production schedule to reflect the machine's working status and processing progress in real time. The operator needs fingerprint confirmation permission, and observes the processing process, fault alarm display, and online help exclusion on the screen. It is an independent, self-managing manufacturing unit.
The company's production planning and scheduling system arranges a week's processing tasks and sends them to the information tower. The tower gives instructions to the operator and displays the real-time working status of the machine on the screen. The operator follows the on-screen instructions. When you encounter a problem, you can always consult the operating manual in your computer. Under normal circumstances, the machine automatically works, and the operator and the machine are separated in time and space. Managers and operators are equipped with mobile phones, which can be used to query production conditions, estimated processing completion time, and delay reports and fault alarms.
In the event of a machine failure, the screen will show you how to troubleshoot. Mazak's repair center can see the problem at the same time, providing assistance in a timely manner to minimize machine downtime.
New generation CNC system
The latest product from Andron, Germany, is a new generation of microcomputer-based open CNC systems on the Windows platform.
It uses two Intel processors to communicate with each other via a PCI-PCI bridge. One processor is responsible for numerical control operations (NC computers) and the other is used as a human interface computer. An NC CPU card and an NC machine card are inserted in the NC computer. The NC machine card is connected to the CNC drive and communicates with the HMI computer via two bus cards with PCI bridges. The internal bus card of the HMI computer is connected to the control panel of the CNC system and the external interface. The CPU card of the HMI computer controls the touch LCD display as well as computer peripherals and network communications.
The traditional numerical control system converts the digital signal of the programming system into a voltage analog signal, and then controls the speed of the driving motor by the magnitude of the voltage. In fact, it is still analog control.
The biggest feature of the new generation CNC system is the serial real-time communication interface SERCOS and pico-level interpolation technology. It integrates position control, speed control, precision interpolation, and servo motor control in one integrated circuit. The digital servo drive technology connects the numerical control system and the servo controller with optical fibers by means of the SERCOS interface, which greatly improves the transmission rate and response speed of the system, and can reach nanoseconds.
The performance of CNC system and the improvement of machining accuracy and efficiency of CNC machine tools are inseparable from the accuracy of interpolation. After using SERCOS interface technology, Andron developed a pico-level interpolation technique to increase the interpolation accuracy from 1×10-7m to 0.6×10-12 m.
The higher the interpolation accuracy, the higher the dimensional accuracy of the machined parts. The smaller the surface roughness, the smoother the machine tool movement and the smaller the tool wear, which further reduces the machining cost.
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