Djupmätmikrometrar

Djupmätmikrometrar, often referred to as depth micrometers, are precision measuring instruments used to determine the depth of holes, recesses, slots, and other features. They operate on the same principle as standard micrometers but are designed with a base or anvil that rests on the surface surrounding the feature being measured, with the spindle extending down into the feature.

The main components of a depth micrometer include a graduated sleeve, a thimble, a spindle, and a base. The sleeve is marked with a main scale, and the thimble has a fine vernier scale for precise readings. The spindle is advanced or retracted by rotating the thimble, moving the measuring tip into or out of the feature. The base provides a stable reference point on the workpiece.

To use a depth micrometer, the base is placed on the surface of the object. The spindle is then carefully adjusted until its tip makes contact with the bottom of the hole or recess. The depth is then read from the scales on the sleeve and thimble, similar to how a standard micrometer is read. Different types of depth micrometers exist, including those with interchangeable rods of varying lengths to accommodate different depths, and those with specialized anvils for specific applications. These instruments are crucial in manufacturing, machining, and quality control where accurate depth measurements are essential for ensuring proper fit and function of components.