Patent ID: 8678879
Filing Date: 2014-03-25
Classification: B23Q,B24B,G01B

Abstract:
1. A grinding machine comprising: a grindstone; a tilt arm; and measuring means provided at a distal portion of the tilt arm, wherein the grinding machine causes the grindstone to contact a shaft-like workpiece that is rotated about an axis to grind the workpiece, the tilt arm is tilted about another axis, and the measuring means measures an outer diameter of the workpiece, and wherein the rotation center of the grindstone and the tilt center of the tilt arm are arranged on a common axis, and the measuring means is supported at the distal portion of the tilt arm to be rotatable about an axis parallel to the axis of the tilt arm, the grinding machine further comprising: adjusting means that adjusts the rotation angle of the measuring means; and holding means that always maintains the measuring means at a neutral position and allows the measuring means to be rotated by an external force.