Patent ID: 7101269
Filing Date: 2006-09-05
Classification: B24B

Abstract:
1. A cylindrical grinding machine having a bed; a workpiece support device for rotatably supporting said workpiece about a horizontal axis on said bed; and a wheel head unit rotatably supporting a grinding wheel for grinding said workpiece and guided on said bed to be movable in a first horizontal direction parallel to said horizontal axis and in a second horizontal direction extending across said horizontal axis; said grinding machine comprising: a coolant collecting vent opening to said bed and vertically extending directly under a machining area where said grinding wheel comes into contact with said workpiece; a horizontal vent formed in said bed in communication with a lower end portion of said coolant collecting vent and horizontally extending to open to a lateral surface of said bed; and a coolant collecting device having a portion for collecting said coolant and having at least a portion thereof including a coolant inlet portion inserted into said horizontal vent to present said coolant inlet portion under the coolant collecting vent, wherein said wheel head unit comprises: a slide base guided at both ends of said slide base on said bed to be movable back and forward in said second horizontal direction with a mid portion of said slide base straddling over at least a part of said coolant collecting vent; and a wheel head guided on said slide base to be movable in said first horizontal direction and rotatably supporting said grinding wheel.