Device for detecting plasma arc flame diameter and control method
A technology of plasma arc and control method, which is applied in the field of ion rotating electrode powder making, can solve the problems of affecting the quality of powder, unable to control the power density of plasma arc, etc.
Active Publication Date: 2020-04-17
西安赛隆增材技术股份有限公司
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[0006] The embodiment of the present invention provides a device and control method for detecting the diameter of the plasma arc flame, which is used to solve the problem of affecting the quality of the powder due to the inability to control the power density of the plasma arc in the existing plasma rotating electrode powder making process
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[0036] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Apparently, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts all belong to the protection scope of the present invention.
[0037] figure 1 Schematic diagram of the structure of the plasma milling equipment provided for the prior art, such as figure 1 As shown, the plasma milling equipment includes a spray chamber, a plasma gun and a metal rod. The plasma arc flame is between the plasma gun and the metal bar. According to the content of the background technology, it can be determined that when the distance between the plasma gun and the melting end face of the met...
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The invention discloses a device for detecting the plasma arc flame diameter and a control method, relates to the field of powder making, and aims to solve the problem that the quality of powder is affected due to the fact that the plasma arc power density cannot be controlled in a powder making process. The device comprises an image acquisition unit which is used for sending an acquired originalimage and a detection image to a plasma arc flame diameter determination unit; the plasma arc flame diameter determining unit which is used for sending the determined second plasma arc flame diameterto a main control system according to the original image and the detection image; the main control system which sends a control instruction to a plasma power control system according to comparison results of the second plasma arc flame diameter and plasma arc flame maximum diameter and plasma arc flame minimum diameter; and a metal bar feeding system which is electrically connected with the main control system and used for controlling the current provided for a plasma gun to be increased or decreased according to the received control instruction.
Description
technical field [0001] The present invention relates to the technical field of plasma rotary electrode powder making, and more specifically relates to a device and a control method for detecting the diameter of a plasma arc flame. Background technique [0002] The working principle of the plasma rotating electrode powder making equipment is to generate large heat instantly through the high-energy plasma beam, and melt the end surface of the high-speed rotating metal bar, so that the molten metal droplets fly out at high speed under the action of centrifugal force, so as to achieve the preparation of spherical purpose of the powder. [0003] Regardless of whether it is a transferred arc or a non-transferred arc powder making equipment, the particle size and quality of the powder produced are closely related to the power density of the plasma arc, and the so-called plasma arc power density ρ is the voltage U and the voltage at both ends of the plasma arc. The product P of the...
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IPC IPC(8): B22F9/14G01B11/08
CPCB22F9/14G01B11/08
Inventor 王冬冬陈斌科朱纪磊孙念光康鑫朱璐
Owner 西安赛隆增材技术股份有限公司