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MoltenMist Ultrasonic Spray Nozzles
Proven Technology for Solder Paste Manufacturers
With their characteristic low velocity spray and tight drop distribution, this unique line of ultrasonic nozzles is ideal for atomizing molten metals and other melts.
Ultrasonic nozzles have long been known to be an ideal tool for atomizing molten metals and melts, such as solder. However, temperature constraints and wear on a nozzle’s atomizing surface have made them impractical for production environments. The MoltenMist line of ultrasonic nozzles overcomes these problems by employing dual air/liquid cooling, and a simple, replaceable atomizing surface design. This proprietary cooling method keeps the nozzle’s heat sensitive piezoelectric transducers well within safe temperature limits, even when atomizing molten liquids.
For corrosive liquids, it is a simple procedure to install a new titanium head when the corrosion starts to affect nozzle performance.
By placing a liquid feed tube in close proximity to the atomizing surface, and flowing the molten solutions onto it, flow rates are capable in excess of 80 ml/min in air and 100 ml/min under vacuum or in inert atmospheres. (With SN63PB37 molten solder, 680 g/min in air, 850 g/min under vacuum)
In applications that require a very precise diameter size, such as solder powder, commonly used to manufacture solder paste, ultrasonic nozzles are a perfect fit.
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