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DEVICE FOR micro-arc oxidation of aluminum alloys and coatings

机译：铝合金和涂层的微弧氧化装置

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The utility model is used to obtain a micro-arc oxidation method on aluminum alloys and coatings keramikopodobnyh layers with high resistance to corrosion and abrasion, used in mechanical engineering and instrumentation, aerospace, electronic and other industries. The utility model is aimed at increasing the processing speed and the maximum thickness of the oxide layer formed on aluminum alloys and coatings by providing a micro-arc oxidation current mode to a linearly-decreasing rate during the process in the range from 1000 to 1 Hz. This result is achieved in that the device for micro-arc oxidation of aluminum alloys and coatings, comprising a power source with two terminals, an electrolyte bath, a battery of electrical capacitors, the first of which liner is connected to the current supply for oxidizable parts, provided with a rectifier current autonomous current inverter current sensor and control system that modulates the pulses at the output of inverter auxiliary current signal with a linearly decreasing during the process in the frequency range from 1000 Hz to 1, wherein input circuits rectifier connected to the terminals of the power source, and its output circuit - to the input circuits autonomous current inverter, the output circuits of which are connected to the battery plates of capacitors, and its second plate connected to a first terminal of the power of the current sensor circuit, a second terminal which is connected to body electrolytic cell, and the output current signal measured by the sensor is connected to the input of the control system, the outputs of which are connected to the control inputs of the auxiliary current of the inverter. 1 z.p.f., 1 fig.
机译：本实用新型用于获得具有高的耐腐蚀和耐磨性的铝合金和涂层keramikopodobnyh层上的微弧氧化方法，用于机械工程和仪器仪表，航空航天，电子等行业。本实用新型的目的是通过提供微弧氧化电流模式以在1000至1 Hz的范围内线性降低的速率来提高铝合金和涂层上形成的氧化层的处理速度和最大厚度。 。通过用于铝合金和涂层的微弧氧化的装置来实现该结果，该装置包括具有两个端子的电源，电解液浴，电容器电池，其中的第一个衬里连接到可氧化的电源上部件，配备有整流器电流自主电流逆变器电流传感器和控制系统，该系统对逆变器辅助电流信号输出端的脉冲进行调制，以在过程中从1000 Hz到1的频率范围线性减小。电源端子及其输出电路-输入电路自主电流逆变器，其输出电路连接至电容器的电池极板，其第二极板连接至电流传感器电源的第一端子电路，第二端连接到人体电解池，传感器测量的输出电流信号为连接到控制系统的输入，其输出连接到逆变器辅助电流的控制输入。 1 z.p.f.，图1

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