A MEASURING DEVICE FOR MEASUREMENT OF 'V'-GROOVE WALL THICKNESS OF IMPELLER DISC OF COMPRESSOR BY MODIFICATION OF A VERNIER CALIPER

摘要

A measuring device for measurement of "V" groove wall thickness of impeller disc of compressor comprises of a vernier scale of a old vernier caliper having the two original jaws welded with 12 mm square rod of 100 mm length for making an extended jaw when an anvil and a spindle is brazed to the jaws to facilitate the measurement. Out of two jaws, one is a fixed jaw and other is moveable.