Patent ID: 6327761
Filing Date: 2001-12-11
Classification: B23B,B23P,B23Q,Y10S,Y10T

Abstract:
In a machining apparatus havinga frame;a conveyor on the frame extending in a workpiece travel direction and adapted to support a flat workpiece;a tool mount displaceable on the frame transversely of the direction;a material-removing tool on the mount for machining the workpiece with generation of particles; anda drive roller engageable with an upper surface of the workpiece upstream of the tool for advancing the workpiece in the direction past the tool,the improvement comprising:a shield above the conveyor and extending transverse to the direction upstream of the tool and downstream of the drive roller;means for engaging the shield against the workpiece between the tool and the drive roller during machining of the workpiece; andmeans including nozzles immediately adjacent the shield for directing a gas current at the workpiece and blowing particles thereon downstream in the direction.