What is the process of displacing air between gage blocks for accurate measurements called?

The process of displacing air between gage blocks to achieve accurate measurements is known as wringing. This technique involves sliding the gage blocks together in such a way as to create a tight, flat contact surface that minimizes air gaps. When the blocks are properly wrung together, they form a stable and accurate measurement without being physically bonded, allowing for precise length measurements.

Wringing is essential in metrology, especially when dealing with high-precision measurements, as even very small irregularities or air gaps can lead to significant errors in measurement. It helps ensure that the gage blocks maintain the correct dimensions as intended, providing reliable standards for calibration and other measurement tasks.

Other terms like calibration refer to adjusting an instrument to ensure its output is accurate, alignment involves adjusting the orientation of a measurement device, and segmenting would relate more to dividing or separating parts of a measurement process, rather than the specific technique of combining gage blocks for measurement accuracy.