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The Illusion of Mechanical Precision
Discover The Illusion of Mechanical Precision — A drawing can show a shaft to four decimal places. The mill, the heat, the clamp, and the gage all add their own error. What looked locked on the screen becomes a stack of small misses in steel. Precision is not the number on the print. Precision is how much of that number still survives after the part leaves the machine.
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