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What is the allowable error of each level of the gauge block

It should be no less than 5.5mm, and the two measuring sides of each gauge block, single-sided or double-sided, should meet the requirements. The nominal length of the standard gauge block used for the verification of the level 5, 6 or 3 of the zhuan block should not be less than 5.5mm.

For a gauge block with a length greater than 100mm, when measuring or using its length, the axis of the gauge block should be installed horizontally. At this time, a narrow side of the gauge block is placed on two sides of the gauge block with a distance of 0.211×L each On a horizontally placed pillar; all external forces that may affect the length of the gauge block, the amount of length variation, or the flatness of the measurement surface should be avoided.



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