Three coordinates is the 3D coordinate measuring machine, it refers to the measurable in 3D space range, according to the data measured by probe, through the software system to calculate all kinds of geometry shape, size and other parameters.
Three coordinates measuring instrument can be defined as a kind of detector that can be moved to 3 directions, can be moved along three perpendicular guide rail. This detector transfer signals through contact or non-contact type.
The basic principle of coordinate measuring machine is putting the parts to be tested in the allowed range, measuring the coordinates of the points on the work-piece surface accurately, processing these values through measuring software, best fitting form measuring elements, such as round, ball, cylindrical, cone, curve and so on, through mathematical calculation method to get the geometric shape and position tolerances and other data.
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