![]() ![]() ![]() Differentiating Tolerancesĭifferent industries work to different engineering tolerances. This will always be the case for example: a rubber D-section with a specified wall thickness of 10 mm will never be exactly that. No manufacturing process is perfect, every part that has ever been manufactured has had some amount of variation in its dimensions or geometry, even if it is slight. Tolerances can be specified for any measurement (temperature, weight, volume, current, voltage, etc.) but tolerances specified in mechanical engineering generally apply to linear, angular and other physical dimensions that are found on a technical drawing. What are engineering tolerances?Īn engineering tolerance is the allowable amount of variation in a specific measurement from its base value, also known as the nominal value. This could result in delays and unnecessary additional costs and resources developing a new part. The lack of or misinterpreting of tolerances may well lead to an unusable part. Tolerances communicates to a manufacturing company the limits they can reach for a part regarding dimensions or geometry. Specifying tolerances is a must in any manufacturing task. ![]()
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