Patent ID: 7048478
Filing Date: 2006-05-23
Classification: B23B,Y10T

Abstract:
1. A composable machine tool for chip removal of major workpieces within wide diameter and/or great length clearance holes, comprising a shaft; a machine base mounted on said shaft; a first engine providing a rotation movement; and second engine provided a translation movement, said machine base being composed of a bush that has a groove receiving a rack fastened on said shaft by alien screws, and by a rotating ring mounted on said bush, so that said bush is shiftable on said shaft, said shaft being tubular sectioned; two flanges mounted on said rotating ring on both sides and being integral with said rotating ring that carry tool design elements or tool heads and have a greater diameter than said rotating ring, said tool design elements or said tool heads being mounted on said flanges through screws; two supporting bearings mounted on said shaft on both sides of a workpiece and having spokes each of which have radial slots; grippers inserted in said radial slots, regulated and locked to fasten the workpiece; a hydraulic jack mounted on said shaft at least on one side; and two slotted shoulders mounted on extremities of said shaft to allow said hydraulic jack to exert a necessary pressure to lock the workpiece.