块规:(也称、滑块,量块)经过精密研磨和检测标准。长方形、正方形、其他特别形状.钢、硬质合金、陶瓷材料。 它们被用作参考设定计量器具,如:千分尺、正弦规.千分表(用于检验作用)。Gaugeblocks(alsoknownasgaugeblocks,Johanssongauges,slipgauges,Joblocks,blockgauges)areprecisiongroundandlappedmeasuringstandards.Rectangular,square,wear,scribingandanglegageblocksareavailableinhardenedsteel,carbideandceramicmaterials.Theyareusedasreferencesforthesettingofmeasuringequipmentsuchasmicrometers,sinebars,dialindicators(whenusedinaninspectionrole).