Slip gauge, Dial indicator, Bevel protractor, what is it and how to use it.

These may be used as reference standards for transferring the unit of length from the primary standard to gauge blocks of lower accuracy and for the verification and graduation of measuring apparatus.The blocks have a cross sectional area of 0f 30mm.Their faces are the same distance apart.When the blocks are pressed together with a slight twist by hand, they will wring together, because of the high degree of surface finish on the opposite faces.They will remain close to each other.They are supplied in sets of 112 pieces.The overall accuracy is of the order of 0.025mm due to the properties of slip gauges, which are built up by wringing into combination and giving different sizes and steps.There are three basic forms of slip gauge, rectangular, square and square without center hole.

Combining the faces of slip gauges is what ringing or sliding is all about.They will stick together because of the slip gauge's properties.The surface finish of the measuring faces is very high.

There are additional operations carried out to get the necessary qualities.

The slip gauge can be increased by providing accessories.There are various accessories.