How does using a non-contact 3D scanner compare with using a CMM or calipers?
3D Scan Data: • Non-contact 3D scanning can detect warpage. • Non-contact 3D scanning provides the benefit of full 3D data. • Non-contact 3D scanning captures millions of points (xyz coordinates) in seconds, fully defining the shape and size of objects. The data can then be measured more accurately than a physical part can be. • Because non-contact 3D scanning captures an entire part at once, there is no chance of missing areas and then having to go back to redo them. • Non-contact 3D scanning greatly reduces the amount of human error that is possible, especially compared to caliper measurement. CMM / Calipers: • CMM outputs data in the form of a finite number of points (xyz coordinates), many of which have been manually taken. • Calipers provide only a measure of distance dependant on the accuracy of the position and person taking the measurement. • CMM’s and calipers do not capture an entire part at once. This brings in the element of human error when measuring a part. • Since CMM’s
