Real time usage monitor and method for detecting entrapped air
A dispensing system for feeding paste through a screen onto a workpiece monitors the position of a piston applying pressure to the paste with a linear variable differential transformer and sets limits on the slope of the piston displacement is a measure of the feed rate and the "spring back&quo...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | A dispensing system for feeding paste through a screen onto a workpiece monitors the position of a piston applying pressure to the paste with a linear variable differential transformer and sets limits on the slope of the piston displacement is a measure of the feed rate and the "spring back" of the piston when pressure is released, as a measure of trapped air in the system. |
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