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Japan develops high-precision composite machining machine tools

by：Gewinn 2022-05-10

Not long ago, the Environmental Design and Production Research Group of the Japan Institute of Industrial Technology has developed a 'laser electrolytic composite processing machine' that can process ultra-thin tubes with a diameter of 100 μm or less into complex shapes. This equipment can process cerebral vascular catheters, stents, probes for high-density electronic circuit inspection, etc., and is expected to develop micro-devices and probes for medical use that have not been available before, and improve the performance of medical tools. In order to meet the needs of brain surgery and other needs, the diameter of catheters and stents needs to be less than 200 μm, and the diameter of contact probes for electronic circuit inspection should also be less than 100 μm. Until now, electrical discharge machining and machining have been used to machine thin tubes. These processing methods are difficult to control the relative position of the workpiece and the tool (electrode), the workpiece and the tool are easily contacted in areas other than the processing point, and the shape that can be processed is limited. In addition, mechanical processing will exert force on the workpiece during processing, which is easy to cause deformation of the workpiece, thus limiting the fineness of the thin tube.

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