Profile gauge

Profile gauge also known as contour gauge. It is the gauge used to copy any shape or surface. Profile gauge consists of stable stainless steel needles as shown in following figure.

What is CMM? and types of Coordinate Measuring Machine.

The full form of CMM is Coordinate Measuring Machine. It is an advanced measurement machine works for measure complex and large component. CMM is a device for measuring the physical characteristics of an object. The machine is controlled by a computer or an operator.