ISO/IEC 17025 is useful for any organization that performs testing, sampling or calibration and wants reliable results.
What is CMM ?
The full form of CMMis 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.
CMM consists of 3-axis namely X-axis, Y-axis, Z-axis. Measurement is done by the prob attached to a third moving axis. This prob could be mechanical, optical, laser or white light.
So, the machine who takes reading in 6 DOF(Degree of freedom) known as CMM.
Types of CMM
There are four basic types of stationary CMM:
- Horizontal Arm.
Bridge type CMM
BridgeCMMs are the most common type of coordinate measuring machine.
It is used for High accuracy, moderate flexibility, for medium sized components.
Cantilever CMMsdiffer from the bridge-style in that the measuring head is…
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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.