Abstract
Whirling is applied to machining of micro screws on wires. The whirling process, which is usually performed to manufacture ball screws, is described in terms of the cutting mechanism. Because the material is removed in a small volume at a high cutting speed in whirling, the whirling has advantages in surface finish, tool wear, chip control and chatter vibration compared to turning. Based on the whirling mechanism, a micro whirling machine was developed for machining of the micro screws on the small diameter wires. In order to improve the stiffness of the workpiece, the wire is clamped on a metal bar with inserting a polyurethane tube. A micro groove is machined on 0.3 mm diameter titanium and stainless wires with fine surfaces on the developed machine tool.
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