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CMM is an acronym for the phrase: Coordinate Measuring Machine - The machine has many different names such as: 3-dimensional coordinate measuring machine, 3-dimensional measuring machine or 3D measuring machine.
1. What is CMM meter?
CMM is an acronym for the phrase: Coordinate Measuring Machine - The machine has many different names such as: 3-dimensional coordinate measuring machine, 3-dimensional measuring machine or 3D measuring machine. This device works based on the principle of moving the probe to touch the surface of the product to be measured to determine the coordinates of X, Y, Z points on the object. Structure of the CMM meter includes 4 main parts: Body, Measuring Head, Control System, Measuring Software. There are many types of detectors used in CMM meters: mechanical, optical detector (optical), laser detector (Laser), white light detector (White light). Depending on the model, the probe can be controlled manually or by computer. CMM meters usually determine the position of the probe in terms of displacement from a reference position in a coordinate system (X, Y, Z), in addition to moving the probe along the X, Y, axes. Z, many CMM series meters also allow the probe to be angled to reach difficult-to-reach surfaces.
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2. Classification of several types of CMM meter
According to the structure, there are several types of CMM gauges as follows:
- The folding CMM meter: this type is usually a small, portable machine that allows the rotating head to be placed in many different directions.
Bridge-type CMM meter: There is a measuring shaft mounted vertically with a horizontal beam placed on 2 supports, this type helps to expand the measuring range of the product under test (the bridge-type CMM meter according to the X-axis).
- Spindle-type CMM tester: Measuring shaft is supported by a supporting structure.
- The staging CMM meter: There is a frame structure hanging on the supports so that the range can be extended on the objects being measured, the staging CMM meters have a structure similar to the bridge CMM.
- Horizontal axis CMM meter: The probe mounts are placed horizontally protruding, one end is attached to a vertical, movable support.
According to the control system, there are 4 types of CMM gauge as follows:
- The CMM manual measuring series: manual drive
- CMM series meters are motor driven with automatic detection process
CMM series of meters are controlled directly by computer
- CMM line of meters is linked with CAD, CAM, FMS ...
3. Application of CMM meter
CMM gauges are widely used in factories producing mechanical parts, mold making, electronics, angle, direction or depth, pattern measurement, shaping, automotive industry, rooms product research and development.
If you have any questions about the CMM meter please contact the information below, it is a pleasure to serve you:
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