Machine Tool Metrology Home Page
"Designing a machine that has good accuracy, repeatability, and resolution has often been considered a black art helped along by scientific principles. A basic finding from our experience in dealing with machining accuracy is that machine tools are deterministic. By this we mean that machine tools obey cause-effect releationships, and do not vary randomly for no reason. Herein lies the key, for an aspect of design or manufacture will appear to be a black art only when the observer lacks the time or resources to use scientific principles to discover the true nature of the phenmena."
---------------Alexander H. Slocum
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