The Development of CMM
Coordinate measuring machine (CMM) is a new and efficient precision measuring instrument developed in the 1960s. On the one hand, its emergence is due to the high efficiency processing of automatic machine tools, CNC machine tools and more and more complex shape parts processing need to have fast and reliable measuring equipment with it; On the other hand, the development of electronic technology, computer technology, digital control technology and precision machining technology provides a technical basis for the production of CMM.
Coordinate measuring machine (CMM) is a new precision measuring instrument with high efficiency. It is widely used in machinery manufacturing, electronics, automotive and aerospace industries. It can detect the size, shape and mutual position of parts and components. Because of its strong universality, large measuring range, high precision, high efficiency, good performance, and can be connected with flexible manufacturing system, it has become a kind of large-scale precision instrument, known as "measurement center".
Advantages:
(1) Strong universality
(2) Measurement accuracy and reliable
(3) Strong common easily for data processing and process control.
The development of the three coordinate measuring machine along with the development of industrial modernization process, with many manufacturing industry such as the need of automobile industry, and other large-scale production, the processing equipment Improve efficacy, automation, on the basis of stronger requirements measurement tests should be high speed, flexibility and generalization, Fixed, special or manual measuring tools greatly limit the development of mass manufacturing and complex parts processing industry. Three-dimensional measurement is developed based on the following objective requirements.
- More and more workpieces need to be measured in 3D space.
- Machining accuracy improving;
- Meet the needs of the reverse engineering.
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