| 摘要 |
A metal powder spray cutting apparatus comprising a metal powder reservoir, beneath which is a chamber having a metal dropping port crossed by a gas reciprocating route, at the base of which is an expansion accumulator, while said gas reciprocating route has its one end opened in the expansion accumulator and the feeding route for a cutting jet oxygen passes through the expansion accumulator to be connected with a cutting burner, so that metal powders mixed with oxygen may be sprayed out of a spray port in the center of the nozzle at the tip of said cutting burner.
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