Look at the level of a machine tool, depend on itRepeat the accuracy of the positioningThe repeated positioning accuracy of a machine-tool can reach 0.005 mm (ISO standard, ISO standard,The statistical law) is a high-prosecutor machine, below 0.005 mm (ISO standard, statistical law), is the ultra-high-procion processor.For high provision machine tools, there must be the best bearings and screws。
Regarding the “precision” of CNC machine tools, it is necessary to clarify the methods of definition and calculation of standards and indicators.
When the production of Japanese machine tools has been “precision”, JISB6201 or JISB6336 or JISB6338 generally use standards. JISB6201 is generally used for general machine tools and ordinary CNC machines.Jisb6336 is generallyUsed for the treatment center, JISB6338 is averageFor verticalProcesscenter.The three abovePlanIt is fundamentally the same when defining the precision of the position,
In the article, only JIS B6336 is used as an example, because on the one hand, the standard is relatively new, and on the other hand, it is slightly more precise compared to the other two standards.
European machines manufacturers, especially German manufacturers, generally use VDI / DGQ3441 standards.
The manufacturers of American machine tools generally use the NMTBA (National Machine Tool Builder’s ASSN) standard (this standard is derived from a study by the American Machine Tools Manufacturing Association,It was promulgated in 1968 and was later changed).
These standards mentioned above are associated with ISO standards.
The accuracy of the size and precision of the form of treatment of the treatment center of the treatment center are compared to the domestic and foreign level.The rough servant is 0.008 ～ 0.010 mm，AndThe international advanced level is 0.002 ～ 0.003 mm.
Although the development of the machine manufacturing industry in my country has fluctuations, it has always paid great attention to CNC technology and CNC machine tools, and has a high competitiveness of the market.
However, in terms of medium and high CNC machine tools, there is still a big gap with certain advanced products and the technological development of foreign countries.
Ultra-procurement treatment currently refers to the size and precision of position from 0.01 to 0.3 μm, the formation of shape and outline from 0.003 to 0.1 μm, steel parts of roughness of surface surface surface RA ≤ 0.05 μm and surface roughness steel parts, and surface roughness is RA ≤ 0.05 μm.Copper for 0.01 μm.The national ultra-procion-procion Tours and CNC milling machines were put in production and use. Currently, the variety must develop ultra-procurement grinding machines and ultra-procion composite machining machines.At the same time to improve furtherUltra-Procion-like brooch unit、Ultra-Procionion Guide Rail Subunitity、Ultra-procion and stable pilot system、Super precision contours control technologyAndNano level resolution CNC systemPerformance and accelerate its engineering.
Ultra-procioning machine tools are mainly used to resolve the super-precision treatment of national defense and national defense products. Although demand is not very important, it is a significant technology blocked by foreign technology.
On the other hand, the deepening of the research of ultra-procioning machining technology, the downward extension of its results will help the development and industrialization of high-provision machine tools with high treatment of treatment At the level of the sub-seam.
Daguang focuses on providing solutions such as precision CNC machining services (3-axis, 4-axis, 5-axis machining), CNC milling, 3D printing and rapid prototyping services.
