Abstract: This paper introduces a five-axis linkage numerical control system based on industrial computer. The system configuration and hardware software open design method are discussed. From the perspective of the development process and the use effect, the open design can effectively shorten the development cycle and improve the quality of the hardware and software of the CNC system. The open-architectured design of 5-axis CNC system Wang Guangyan Zhao Jiandon Shuai Mei Wang Xiaochun Abstract: In this paper,a 5-axis CNC system based on Industrial PC is introduced. Its architecture,hardware and software opening design method is discussed.From the developing procedure and actual working,we can make a conclusion that opening design is effective in Shorting the developing time and improving the quality of CNC system. 1 Overview From the development of the first three-axis milling machine CNC system from MIT to the present for more than 40 years, the design method of the numerical control system has undergone tremendous changes. Especially in the past ten years, with the rapid development of computer technology, the numerical control system from the overall structure to the detailed design, from software design to hardware design, is very different from the early CNC system. In the early CNC system, many functions were implemented by hardware circuits for efficiency reasons. The speciality was strong, and the maintainability and scalability were relatively poor. On the other hand, the computing speed of general-purpose computers is increasing exponentially with time. Now the computing power of a microcomputer has reached or exceeded that of the early minicomputers. Moreover, general-purpose microcomputers are widely used, and there are perfect and open standards. Support for numerous peripheral hardware devices and rich software resources. The development of the numerical control system by means of a microcomputer can achieve twice the result with half the effort, and thus has become an international trend in the field of numerical control. 2 Open design of CNC system hardware 2.1 General principles of hardware design Next page Single Wheel with different series:Light Duty wheel.Medium Duty wheel.Heavy Duty wheel.Extra heavy duty wheel and other special wheel and so on.The materails include pp.steel with PU.Nylon.Elastic polyurethane caster 75°A.Elastic thermoplastic rubber 65°A.Anti-static.Conductive.Thermoplastic rubber and so on.We provide you with better service and better product prices. Single Wheel with different size Ningbo Mywin Caster Co., Ltd. , https://www.mywin-caster.com
Keywords: open system; ISA bus; CNC
Classification: TP302.1 Document code: B
Article ID: 1001-2265(2000) 02-0019-04
Key words: open-architectured system; ISA bus; CNC
The five-axis linkage CNC system has a large number of linkage axes, and at the same time involves two rotary motions. The interpolation algorithm is complex, and its components, such as servo drive unit, position feedback unit, error compensation, electrical control, machine tool mechanical structure, etc. Different characteristics are used in different applications, and should be fully considered in the overall design of the system. At present, most CNC systems cannot meet the needs of this variety. For different applications, different types of CNC systems must be used, which will inevitably increase development and maintenance costs. By studying the open CNC system and its functional components, the entire CNC system can be easily recombined according to user needs to improve system portability, scalability, maintainability and compatibility.
The hardware design of the traditional CNC system is divided into two genres: the large-board structure and the bus-type architecture using dedicated chips. The slab structure is a closed system for the user, and the expansion of functions and system maintenance are limited. The bus-type structure has certain flexibility, but since the bus is determined by the manufacturer itself, there is no common industry standard, and the products of different manufacturers are not interchangeable. Therefore, this design method is not suitable for modern manufacturing. Need. On the other hand, with the development of computer technology, the speed of microcomputers is far different from that of a decade ago. In the design of hardware and software in this situation, the focus of attention has shifted from efficiency to interchangeability and maintainability. Affected by this, in the design process of the numerical control system, the development of the large-board structure or dedicated bus to the standard bus, reconfigurable unit modules has become an international trend.
Open design of five-axis linkage CNC system