The Development of Precision Machined Parts

Development Direction of Precision Machining Parts

Machinery manufacturing technology gets rapid development from the two aspects of productivity and accuracy improvement. As to improve productivity, increase the degree of automation is the development direction is many countries' commitment. In recent years, the rapid development and application is within a certain range from the CNC to the CIMS. From development to improve the accuracy of precision machining to the ultra-precision machining, which are the major development direction of many developed countries in the world, and its precision is from micron to submicron and even nanometer range of applications is becoming more widely, and has a wide range of applications in the field of high technology and military industry, as well as civilian industry. Such as laser fusion systems, ultra-large-scale integrated circuits, high-density disk, sophisticated radar, missile fire control system, inertial navigation grade gyro, custom machined parts, precision instruments, VCR heads, copier drum, gas stove turn valves are precision machining technology.

Modern Level of Precision Machined Parts

With the development of precision machined parts and electronic technology, modern products are more and more sophisticated. According to the level of information technology, precision machining can be achieved as follows: 0.5 to 1μm dimensional tolerances little dry form tolerances is not greater than 0.01μm, surface roughness Ra is not more than 0.01μm. Machine: precision milling, precision grinding machine, precision optical lens grinding machine, precision gem grinding machine, ultra-precision grinding machines and other. Parts of the machine is moving, the hydrostatic bearing and guide-way, elastic rail, ball or roller preload oil bearings and rails, the use of the tool and the material grinding Branch with diamond control system is generally a DC servo motor (DC) -- half closed with encoder control, logic control or precision DC servo motor - closed loop adaptive control microcomputer.

Significance of Precision Machined Parts

Currently, the advanced manufacturing technology is one of the important means of economic development of a country, many developed countries have attached great importance to the level of advanced manufacturing technology and development, and use it for product innovation to expand production and increase international economic competitiveness. The development of advanced manufacturing technology is the main direction of the development of the national economy of the world and strategic decision-making, but it is also a country of independence, prosperous and strong, sustained and stable economic development, science and technology to maintain a long-term plan of the advanced leading. Currently, precision and special processing technology level is one important indicator of the level of a country's manufacturing industry. Achievable accuracy of precision machining, surface roughness, processing range in size and geometry is an important indicator of a country's manufacturing technology.

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