外文翻譯---數(shù)控技術(shù)和裝備發(fā)展趨勢(shì)及對(duì)策(編輯修改稿)
2025-02-14 00:01 本頁(yè)面
【文章內(nèi)容簡(jiǎn)介】 achine processing 8h。 DMG Germany39。s double spindle lathe spindle speed and acceleration are respectively 120000r/mm and 1G.In the machining accuracy, 10 years, nearly the general level the machining accuracy of NC machine tool has been improved from 10m to 5m, precision machining center from 3～ 5m, increased to 1 ～, and ultra precision machining accuracy has begun to enterthe nanoscale ( ).In order to realize the high speed, high precision machining, with matching function parts such as electric spindle, linear motor has been rapid development, application domain expands further. axis machining and rapid development of posite processing machine with 5 axis linkage on 3D surface machining, cutting tool geometry can be best cutting, not only high smoothness, but also greatly improve the efficiency of.Generally, 1 sets of 5 axis machine tool efficiency can be equal to 2 sets of 3 axis machine tools, particularly the use of cubic boron nitride superhard materials such as milling cutter for high speed milling of hardened steel parts, 5 axis machining can be more than 3 axis machining more benefits.But in the past for 5 axis NC system, the host of plex structure and other reasons, its price than 3 axis linkage CNC machine several times higher, and the programming technology difficulty is greater, restricted the development of 5 axis machine tool.Because of the electric spindle, make the implementation of 5 axis machining posite spindle structure is simplified, the manufacturing difficulty and cost are greatly reduced, CNC system to narrow the price gap.It has promoted the pound head type 5 axis machine tool and pound processing machine tool (including 5 machine tools ) the development.In the EMO2001 exhibition, SNK 5 processing machine using the pound head, can achieve 4 perpendicular to the plane of any point of processing and processing, so that the 5 surface processing and 5 axis machining can be realized in the same machine, but also can realize the inclined plane and the back taper hole processing.The German pany DMG exhibited DMUVoution series machining center, be in one clamping surface processing and Realization of 5 5 axis machining, can be controlled by the CNC system or CAD/CAM direct or indirect control。, open, network has bee the main trend of the development of modern CNC system CNC equipment will be twentyfirst Century with intelligent system, intelligent content included in the numerical control system in all aspects:For the pursuit of the machining efficiency and quality aspects of intelligence, such as the process of self adaptive control, process parameters automatic generation。 in order to improve the driving performance and the use of convenient connection of intelligence, such as feedforward control, motor parameter adaptive arithmetic, automatic recognition and automatic load selection model, selfadjusting。 simplify, simplify operation aspects of intelligence, such as intelligent automatic programming, intelligent humanmachine interface。 and the intelligent diagnosis, intelligent monitoring content, convenient for system diagnosis and repair.In order to solve the traditional NC system closure and CNC software industrialization production problems.Many of the current state of the open CNC system were studied, such as the United States NGC ( The Next Generation WorkStation/Machine Control ), OSACA ( Open System Architecture the for Control within Automation Systems ), Japan ( Open System OSEC Environment for Controller ), China ( Open Numerical Control ONC System ).Open CNC system has bee a numerical control system of the road to the future。The socalled open numerical control system is the numerical control system in the development of a unified operating platform, the machine tool manufacturers and end users, through the change, increase or cut structural object ( numerical control function ), formed a series, and easily the user39。s special application and technical knowhow is integrated into the control system, fast realization of different species, different grades of open NC system, forming a distinct personality of the name brand products.The open CNC system structure, munication protocol specification, configuration specification, operation platform, NC system and the NC system functions such as software development tools is the core of the current study. Network numerical control equipment is nearly two years of wellknown international Machine Tool Fair in a new window.Numerical control equ
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