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CMM vs Optical Comparator vs Hard Gauging: Which to Use
Most inspection disputes start with one question: which instrument should measure this feature? Send every part to the CMM and you burn cycle time. Gauge everything by hand and you may pass parts that have drifted toward the edge of their tolerance band. CMM vs optical comparator vs hard gauging is not a ranking of better and worse tools. Each method answers a different question, and choosing the wrong one either slows production or hides a problem until it reaches your custo
carystraley
1 hour ago10 min read
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