Main Function of CMM

Coordinate measuring machine (CMM) is a high-efficiency precision measuring instrument developed in the late 1960s. Its emergence, on the one hand, is due to the needs of production development. That is, the emergence of high-efficiency processing machines, the further improvement of product quality requirements, and the development of complex three-dimensional shape processing technology require fast and reliable measuring equipment to cooperate with them; On the other hand, due to the development of electronic technology, computing technology and precision machining technology, it provides a technical basis for the emergence of CMM.

Three coordinate measuring machine (CMM) is a kind of detection instrument based on precision machinery, integrated application of electronic technology, computer technology, grating and laser interference technology. The main functions of the CMM are:

1) It can realize the measurement of spatial coordinate points, and can easily measure the three-dimensional contour size and position accuracy of various parts. Accurate and reliable measurement, strong universal.

2) Due to the attraction of the computer, it can be convenient for digital calculation and program control, and has a high degree of intelligence. Therefore, it can not only easily measure the three-dimensional dimension of space, but also realize active measurement and automatic detection. In the mold manufacturing industry, it fully shows the versatility of measurement and the diversity of measurement objects.

CMM is widely used in machinery manufacturing, instrument manufacturing, electronics industry, aviation and national defense industry departments, especially suitable for measuring box parts of the hole distance and surface distance, mold, precision castings, electronic circuit boards, automobile shell, engine parts, cams and aircraft body with space curved workpieces.

The role of the coordinate measuring machine is not only because it increases one or two coordinates than the traditional measuring instrument, so that the measuring object is extensive, and its vitality is also manifested in that it has become an indispensable partner of some processing machines. For example, it can effectively prepare digital perforated tape for CNC machine tools, and this work is difficult to complete by traditional methods due to the increasing complexity of the processing surface, so it has the title of "measuring center" with CNC "machining center".

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