大型轻合金工件的微弧氧化装置

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大型轻合金工件的微弧氧化装置

本发明涉及一种对大型(表面积大于2m2 )轻合金工件进行微弧氧化处理的装置，能够达到在大型轻合金工件表面膜层厚薄比较均匀、不会产生局部烧蚀。本发明是由一个微弧氧化电源装置( 1 )，它和充当阳极的轻合金工件( 2 )，阴极( 3 )组成微弧氧化处理电路。另一电源装置( 4 )提供计算机( 6 )和控制伺服机构( 5 )的工作电流，伺服机构( 5 )带动两块阴极( 3 )进行纵向、横向运动。伺服机构( 5 )由两根纵向导轨( 7 )、两个滑轮( 8 )、两个伺服电机( 9 )、两个伺服电机( 9’)和两根挂线(10 )构成。

Micro-arc oxidation device forlarge-size light alloy work piece

The invention relates to a micro-arcoxidation treatment device for a large-size light alloy work piece (surfacearea being greater than 2 m<2>), and can form a film layer, of which thethickness is uniform, on the surface of the large-size light alloy work pieceand is free of local ablation. The device includes a micro-arc oxidation powersupply apparatus (1), which can form a micro-arc oxidation treatment circuitwith the light alloy work piece (2) serving as a positive pole and negativepoles (3). Another power supply apparatus (4) supply working current to acomputer (6) for controlling a servo mechanism (5). The servo mechanism (5)drives two negative poles (3) to move longitudinally and transversally and is composedof two longitudinal guide rails (7), two pulleys (8), two servo motors (9), twoservo motors (9’), and two hanging wires (10).