Knurling head for machine tool has pair of knurling wheels mounted on carriers allowing ninety degree rotation of mounting

摘要

The knurling head for a machine tool has knurling wheels (6) each mounted on a carrier (5) for rotation. The carriers allow the knurling wheels to be positioned in the radial edge engagement position or rotated through ninety degrees into a axial edge engagement position. The carriers have curved surfaces to fit in guides in the knurling head frame.