4. Handling pads
Experience shows that, in order not to exceed friction coefficients of 0.005 for lift pressures ranging from 10 5 to 103 Pa, the theoretical flying height must be of the order of 5 × 10 2 to 5 × 10–1 mm depending on the state of the sliding surface. The power then varies according to the desired flight height and the size and number of cushions.
4.1 Surface finish
There are three main characteristics that can be used to judge surface condition, and only experience or experimentation can provide a ranking.
The first characteristic is the value of the coefficient of dry friction of the floor-cushion pair. Indeed, if there is a coefficient of friction, however small, it means that there is contact between the lip and the ground, so that the...
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Handling pads
Air cushion production tool
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