Abstract: A precise center and edge finder in which the position of the center or edge of a workpiece or an aperture thereon is directly located with respect to a work tool. In one embodiment, the finder has a shank for attachment to a chuck. In another embodiment, the shank has a chamber for receiving a nozzle or other projecting work component. A laser diode directs a beam of light toward the workpiece. The beam of light projects a fine dot in direct alignment with the centerline of the work tool to the center or edge of the workpiece. A dot adjusting unit can be used to adjust the intensity and size of the dot. Alternatively, the finder projects a ring-shaped light to directly align an aperture on the workpiece with the work tool or a cross-hair shaped light to align the workpiece with an x-y axis of the work tool.

Abstract: A precise center and edge finder in which the position of the center or edge of a workpiece is directly located with respect to a work tool, such as a milling machine having a spindle driven chuck. The finder has a housing with a shank at one end for attachment to the chuck and a discharge aperture at the other end for discharging a beam of light toward the center or edge of the workpiece. Disposed within the housing is a source of light, preferably a laser diode module, and batteries to power the light source. The beam of light from the finder projects downward in alignment with the centerline of the spindle to the previously marked center or along the edge of the workpiece. The finder eliminates the need for calculations to find the true edge and the risk of contact damage to the workpiece or precision tool.

Abstract: A precise center and edge finder in which the position of the center or edge of a workpiece is directly located with respect to a work tool, such as a milling machine having a spindle driven chuck. The finder has a housing with a shank at one end for attachment to the chuck and a discharge aperture at the other end for discharging a beam of light toward the center or edge of the workpiece. Disposed within the housing is a source of light, preferably a laser diode module, and batteries to power the light source. The beam of light from the finder projects downward in alignment with the centerline of the spindle to the previously marked center or along the edge of the workpiece. The finder eliminates the need for calculations to find the true edge and the risk of contact damage to the workpiece or precision tool.