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Basics of Coordinate Metrology
Unit 8: Types of Coordinate Measuring Machines |
Step 1 of 7
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Learning target: You will learn about
the different types of Cartesian 3-D coordinate measuring machines. You know how
to distinguish between gantry type, column type, bridge type and cantilever type
and know details regarding the advantages, disadvantages and possible uses of
these types.
| Depending on measuring range,
precision and area of application, there are different types of
coordinate measuring machines. The most widely used coordinate measuring
machines are Cartesian rectangular machines. There are also measuring
machines using cylindrical or spherical coordinate systems, which, however,
will not be discussed here in more detail. Based on
the arrangement and the design of the components moveable in the axis
directions, Cartesian 3-D coordinate measuring machines can be
divided into four basic types:
Depending on the requirements, mixed forms of the basic
types are also found in practice.
The differences between the individual coordinate
measuring machines are described here. This
unit is also followed, at the end, by a
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Column type |
Gantry type |
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Cantilever type |
Bridge type |
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