| 摘要 |
PROBLEM TO BE SOLVED: To provide a very small metal ball manufacturing apparatus capable of continuously discharging molten metal for a long time in a uniform droplet method, and easily obtaining the molten metal of the predetermined discharge. SOLUTION: This very small metal ball manufacturing apparatus comprises a molten metal discharging crucible 1 holding molten metal 4a and having an orifice 7 in a bottom part thereof, a pressure control unit 6 for controlling the pressure of the discharged molten metal, a molten metal discharge unit having an excitation unit 10 for exciting the molten metal, and a solidifying chamber 13 in which the molten metal pressed out of the orifice is moved and solidified, and further includes a molten metal feed unit comprising at least one feed crucible 2a for holding the molten metal and a conduit pipe 3 for connecting the feed crucible to the discharging crucible.
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