Micrometer sharpener how to use?
When the instrument is now also Xi'an photoelectric instrument grand Ruisi tianjin.
Generally a group of 4 pieces, grinding a micrometer, according to the degree of wear of the measuring surface, choose different grinding paste (usually 1.5 or 0.5), with grinding blocks, one by one grinding again
According to the measuring range of micrometer, the grinding block is chosen according to the measuring range of micrometer
