System and method for forming disk part by performing two-stage atomizing and spraying
A spray forming and atomizing nozzle technology, which is applied in the field of atomization of molten metal and deposition of metal droplets, can solve the problems of large-diameter axisymmetric central hole parts with large difficulty, low gas density, and low momentum, etc., to achieve Reduce the densification process, reduce the average particle size, and improve the effect of microstructure
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[0019] The present invention will now be further described in conjunction with the embodiments and drawings:
[0020] The system of this embodiment includes a vacuum chamber 1 with an internal size of 2m high and a diameter of 1.2m, a crucible 2 with a height of 0.2m and a diameter of 0.18m, a heating coil 3, a gas cylinder 5, and a mechanical ejection plate 7 with a diameter of 0.3m. Through rod 8, catheter 9, high-pressure gas atomization nozzle 10, cooling device 11, and 0.8m diameter ring mold 12; among them, crucible 2, heating coil 3, stop rod 8, catheter 9 and atomization nozzle 10 Located in the upper part of the vacuum chamber 1, the crucible 2 is located in the center of the upper part of the vacuum tank 1, and is connected to the catheter 9 through the threaded through hole at the bottom, the stop rod 8 is connected to the catheter 9 and the bottom of the crucible 2 The threaded through hole is coaxial and can move up and down along its axis. The taper end is separated...
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