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Gauge blocks (also known as gage blocks, Johansson gauges, slip gauges, or Jo blocks) are a system for producing precision lengths. The individual gauge block is a metal or ceramic block that has been precision ground and lapped to a specific thickness. Gauge blocks come in sets of blocks with a range of standard lengths.
Wringing may refer to: Wringing (gauge blocks) , the temporary attachment of gauge blocks to each other Wringer, a device that extracts liquid by action of twisting or squeezing (see: mangle (machine) )
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If each block has a tolerance of ±a then the sum of N blocks will have a variance of Na. It's true that the standard deviation of the length will increase slower than linearly with number of blocks, as N ½ but it will increase. You might be thinking of the average standard deviation per block = σ/N, that will decrease with N, but not the ...
In motion compensated video compression, the current picture is predicted by shifting blocks (macroblocks, partitions, or prediction units) of pixels from previously decoded frames. If two neighboring blocks use different motion vectors, there will be a discontinuity at the edge between the blocks.
Lapping machine. Lapping is a machining process in which two surfaces are rubbed together with an abrasive between them, by hand movement or using a machine.. Lapping often follows other subtractive processes with more aggressive material removal as a first step, such as milling and/or grinding.
Gauge block#Wringing To a section : This is a redirect from a topic that does not have its own page to a section of a page on the subject. For redirects to embedded anchors on a page, use {{ R to anchor }} instead .
a flat steel block in the surface of which are two flat-bottomed grooves varying uniformly in depth from a maximum at one end of the block to zero near the other end. Groove depth is graduated on the block according to one or more scales used for measuring particle size. Most gages will have one scale marked in either mils or micrometers. Load cell