The latest production line of one of China’s largest steel manufacturers is equipped with an innovative optical flatness measurement system, which was developed in Austria. The confirmed comprises a ...
A research team led by Professor WANG Jian, the deputy chief designer of the Wide Field Survey Telescope（WFST）and a faculty member of the State Key Laboratory of Nuclear Detection and Nuclear ...
MÖLLER-WEDEL OPTICAL GmbH has developed a simple-to-use workshop interferometer for testing flat objects. The new Fizeau-type INTERFEROMETER VI direct 50 PUL is able to measure the surface flatness of ...
Space is flat if the three angles of any triangle add up to 180°. For example, Earth’s surface is a positively curved two-dimensional space. When you go from the North Pole to Ecuador to Congo and ...
The measurement methods are outlined in ASTM E 1155 as, “Standard Test Method for Determining Floor Flatness and Levelness”. Two tiers of FF and FL values should be specified: one for the composite ...
Not a curve in sight, as far as the eye can see. Mathematicians, scientists, philosophers and curious minds alike have guessed at the shape of our universe. There are three main options to choose from ...
Contractors need to be cognizant of certain situations that make it difficult to achieve routine FF and FL requirements and know how to get those specifications changed to more reasonable requirements ...
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