Centerless cylindrical grinding machine

Abstract

The invention relates to a centerless cylindrical grinding machine (100) for throughfeed and plunge grinding of arbitrary workpieces comprising a first drivable positioning axis XS for a grinding headstock (10) with a grinding wheel (11) rotatable about an axis of rotation (12) and a second drivable positioning axis XR for a regulating wheel headstock (20) with a regulating wheel (21) rotatable about an axis of rotation (22), and a workpiece support (32) arrangeable substantially between the grinding headstock (10) and the regulating wheel headstock (20), wherein a further drivable positioning axis YW, extending orthogonal to at least one of the positioning axes XS and XR, is mounted for a carriage (31) on a carriage track (30), via which the workpiece support (32) is movable, wherein the grinding headstock (10) and the regulating wheel headstock (20) are arranged in a first area (41) of a machine bed (40) and the carriage track (30) is at least partially arranged in a second area (42) of the machine bed (40), wherein the second area (42) of the machine bed (40) has a lesser extension in a direction parallel to the positioning axis YW than the first area (41) of the machine bed (40).

1 . A centerless cylindrical grinding machine for throughfeed and plunge grinding of arbitrary workpieces comprising a first drivable positioning axis X S  for a grinding headstock with a grinding wheel rotatable about an axis of rotation and a second drivable positioning axis X R  for a regulating wheel headstock with a regulating wheel rotatable about an axis of rotation, and a workpiece support arrangeable substantially between the grinding headstock and the regulating wheel headstock, wherein a further drivable positioning axis Y W , extending orthogonal to at least one of the positioning axes X S  and X R , is mounted for a carriage on a carriage track, via which the workpiece support is movable, wherein the grinding headstock and the regulating wheel headstock are arranged in a first area of a machine bed and the carriage track is at least partially arranged in a second area of the machine bed, characterized in that the second area of the machine bed has a lesser extension in a direction parallel to the positioning axis Y W  than the first area of the machine bed. 
     
     
         2 . The centerless cylindrical grinding machine according to  claim 1 , wherein due to the lesser extension, free spaces are formed at both sides of the second area of the machine bed adjacent to the first area of the machine bed. 
     
     
         3 . The centerless cylindrical grinding machine according to  claim 1 , wherein the second area of the machine bed extends, starting from the first area of the machine bed in a direction parallel to the positioning axis Y W , at least over a length of the workpiece support in said direction. 
     
     
         4 . The centerless cylindrical grinding machine according to  claim 1 , wherein the extension of the second area of the machine bed, parallel to at least one of the positioning axes X S  and X R , is substantially symmetrical, with respect to a center axis of the carriage track parallel to the positioning axis Y W . 
     
     
         5 . The centerless cylindrical grinding machine according to  claim 1 , to wherein the centerless cylindrical grinding machine comprises a movable, in particular pivotable operating panel which is movable from a side of the second area of the machine bed, extending parallel to the positioning axis Y W , to the respectively other side. 
     
     
         6 . The centerless cylindrical grinding machine according to  claim 1 , wherein the centerless cylindrical grinding machine comprises a first cover, which is movable from a loading position into a protection position, and, in the protection position, at least partially encompasses the second area of the machine bed, starting from the first area of the machine bed. 
     
     
         7 . The centerless cylindrical grinding machine according to  claim 6 , wherein the first cover is movable perpendicular to the surface formed by the second area of the machine bed. 
     
     
         8 . The centerless cylindrical grinding machine according to  claim 6 , wherein the first cover is at least partially open in the protection position on a side facing away from the second area of the machine bed. 
     
     
         9 . The centerless cylindrical grinding machine according to  claim 6 , wherein the first cover is at least partially transparent at least in sections. 
     
     
         10 . The centerless cylindrical grinding machine according to  claim 6 , wherein the centerless cylindrical grinding machine comprises a detection unit, which detects whether a protection area is accessed in a protection position of the first cover. 
     
     
         11 . The centerless cylindrical grinding machine according to  claim 1 , wherein the centerless cylindrical grinding machine comprises a 3D scanner, which covers at least the second area of the machine bed as a scanning area and detects whether the scanning area is accessed. 
     
     
         12 . The centerless cylindrical grinding machine according to  claim 6 , wherein the first cover does not substantially project beyond the workpiece support in the loading position. 
     
     
         13 . The centerless cylindrical grinding machine according to  claim 1 , wherein the centerless cylindrical grinding machine comprises a second cover, which is movable from an access position into a protection position, and at least partially encompasses the first area of the machine bed. 
     
     
         14 . The centerless cylindrical grinding machine according to  claim 13 , wherein the second cover is foldable. 
     
     
         15 . The centerless cylindrical grinding machine according to  claim 1 , wherein the second area of the machine bed is movable into the first area of the machine bed.