A WEAR-RESISTANT HIGH-PRESSURE WATER JET NOZZLE

A water jet nozzle, a method for fabricating a water jet nozzle, and a method of de-flashing. The water jet nozzle comprises a main body formed from a first material; a downstream surface comprising an orifice; and an upstream surface comprising a chamber extending towards the orifice; wherein at le...

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Bibliographische Detailangaben
Hauptverfasser:	PALANI, ARUN, FANG, C.P, TAN, WEE SOON, FONG, K.K
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL ATOMISING APPARATUS BASIC ELECTRIC ELEMENTS CLEANING CLEANING IN GENERAL ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY GRINDING NOZZLES PERFORMING OPERATIONS POLISHING PREVENTION OF FOULING IN GENERAL SEMICONDUCTOR DEVICES SPRAYING APPARATUS SPRAYING OR ATOMISING IN GENERAL TRANSPORTING
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Beschreibung
Zusammenfassung:	A water jet nozzle, a method for fabricating a water jet nozzle, and a method of de-flashing. The water jet nozzle comprises a main body formed from a first material; a downstream surface comprising an orifice; and an upstream surface comprising a chamber extending towards the orifice; wherein at least a circumferential wall defining the orifice is coated with a second material, the second material having a greater hardness compared to the first material. L'invention porte sur une buse d'éjection d'eau, sur un procédé de fabrication d'une buse d'éjection d'eau et sur un procédé d'évaburage. La buse d'éjection d'eau selon l'invention comprend un corps principal formé dans un premier matériau; une surface aval comportant un orifice; et une surface amont comprenant une chambre qui s'étend vers l'orifice. L'invention est caractérisée en ce qu'au moins une paroi circonférentielle définissant l'orifice est revêtue d'un second matériau, ledit second matériau possédant une dureté supérieure à celle du premier matériau.