Viscous material noncontact jetting system
A viscous material noncontact jetting system has a jetting dispenser (40) mounted for relative motion with respect to a surface (36). A control is operable to cause the jetting dispenser (40) to jet a viscous material droplet (34) that is applied to the surface (36) as a viscous material dot (37). A...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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Zusammenfassung: | A viscous material noncontact jetting system has a jetting dispenser (40) mounted for relative motion with respect to a surface (36). A control is operable to cause the jetting dispenser (40) to jet a viscous material droplet (34) that is applied to the surface (36) as a viscous material dot (37). A device (52), such as a camera or weigh scale, is connected to the control and provides a feedback signal representing a size-related physical characteristic of the dot (37) applied to the surface (36). The size-related physical characteristics of subsequently applied dots (37) is controlled by heating and cooling, or adjusting a piston stroke in the jetting dispenser (40), in response to the size-related physical characteristic feedback. Dispensed material volume control and velocity offset compensation are also provided. |
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