What Is The CNC Machining Accuracy ?

- Mar 17, 2020-

The accuracy of CNC mechanical computer gong processing refers to the degree to which the actual geometric parameters (size, shape and position) of the CNC parts after machining match the ideal geometric parameters.

The higher the degree of conformity, the higher the machining accuracy. The degree of deviation of the actual geometric parameters from the ideal geometric parameters of the part after CNC machining is called CNC machining error.


The accuracy of CNC machining is measured by the size of the machining error. If the error is large, the precision is low, otherwise it is high.


CNC machine computer gong machining accuracy includes three aspects: dimensional accuracy, shape accuracy and position accuracy.


1.Dimensional accuracy of CNC mechanical computer gong processing


The degree of conformity between the actual size of the surface of the part or between the surface and the ideal part size after CNC machine computer gong processing. The ideal part size is the median value of the dimension marked on the part.


2. Shape accuracy of CNC machine and computer gong processing


The degree to which the actual shape of the surface of the part after CNC machine computer gong processing accords with the ideal part surface shape. An ideal part surface shape is an absolutely accurate surface geometry.


3.Position accuracy of CNC mechanical computer gong processing


After CNC machine computer gong processing, the surface of each part asks the extent to which the actual position matches the position between the surfaces of the ideal part. The position between the surfaces of an ideal part refers to the absolutely accurate position between the surfaces.


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