Abstract: An optical presetter for precision alignment of a tool on a machine turret to be positioned on a lathe or the like. The presetter includes a bale support, a light source, an adjustable carriage, and a viewer with a reference. When a tool is mounted on a turret and the turret is mounted on the carriage with the tool in the light beam; the tool can be precision aligned by moving the tool relative to the turret and noting the change of the tool image on the viewer.

Abstract: A tool presetting fixture is disclosed for use with cross-slide type tool holders which are usable on a multiple spindle automatic machine tool. The tool holder has a tool holding pocket to hold a cross-slide type tool with a tool tip. The fixture has a base with a first gage surface mounted for movement parallel to the base to gage the spindle centerline height of a tool tip in the tool holding pocket. The fixture also has a rear wall on the base which has a second gage surface perpendicular to the base. Gage means is provided to gage the distance from this second gage surface to the tool tip and screws are provided in the tool holder and acting on this second gage surface to obtain a gaged distance of the tool tip from a reference surface of the machine tool to establish a predetermined longitudinal dimension on the workpiece.

Abstract: A tool presetting device for longitudinally presetting an end cutting tool in a tool holder for use in a single or multiple spindle automatic bar machine characterized in that the device has a tool holder support which non-rotatably holds the tool holder in a predetermined axial position for axial adjustment of the tool to engage a preset micrometer which is clamped in one end of a micrometer holder. The other end of the micrometer holder is frictionally swingably retained in a selected groove of a grooved bar which is parallel to the tool holder and tool for swinging movement of the micrometer in a plane perpendicular to the tool holder and tool axis from a position laterally clearing the tool holder and tool for axial insertion and removal of the tool holder and tool from the tool holder support to a position whereat the end of the tool may be axially advanced with respect to the tool holder for engagement with the micrometer.

Abstract: A tool setting gage has a base plate with a socket for receiving the tool to be set. A horizontally movable carriage is mounted on the base plate for movement toward and away from the tool socket normal to the axis of the tool. A vertically movable carriage is mounted on the horizontal carriage for up and down movement parallel to the axis of the tool. A feeler is mounted on the second carriage for contacting the cutting point of the tool responsive to the horizontal and vertical movements of the carriages. A transducer ascertains the position of the feeler and operates a digital readout for indicating the axial and radial dimensions of the cutting point.

Abstract: This invention relates to a drill sharpening gauge which can be positioned close to an abrasive motor-driven wheel so that the operator can quickly check the length of the edges of the drill bit at the tip of the drill to insure that both edges are the same length and thus the angles are equal, and with present manufacturing technology the drill sharpening gauge of this invention is one that can be easily and economically made.

Abstract: This invention relates to a drill sharpening gauge which can be positioned close to an abrasive motor-driven wheel so that the operator can quickly check the length of the edges of the drill bit at the tip of the drill to insure that both cutting edges are the same length, and thus the angles are equal.

Abstract: An electronic tool gage for measuring the diameter and length of metal cutting tools useful in the operation of numerically controlled or data programmed machine tools having tools stored in a matrix including recordable devices after measurement.