Abstract: A spindle head device (10) includes a spindle (12) and a tool retaining mechanism (16) detachably retaining a tool holder (14) on the spindle. The tool retaining mechanism includes a tool support member (52) having a receiving recess (50) detachably receiving the shank (46) of the tool holder, a tool clamp member (54) disposed to be displaceable with respect to the tool support member between an operative position and an inoperative position, and a mounting member (56) detachably mounting the tool support member and the tool clamp member to the spindle. The tool clamp member grips the shank of the tool holder and fixedly holds the shank to the receiving recess of the tool support member at an operative position, and, at an inoperative position, releases the shank to allow the tool holder to be attached or detached to or from the receiving recess.

Abstract: A spindle head device (10) includes a spindle (12) and a tool retaining mechanism (16) detachably retaining a tool holder (14) on the spindle. The tool retaining mechanism includes a tool support member (52) having a receiving recess (50) detachably receiving the shank (46) of the tool holder, a tool clamp member (54) disposed to be displaceable with respect to the tool support member between an operative position and an inoperative position, and a mounting member (56) detachably mounting the tool support member and the tool clamp member to the spindle. The tool clamp member grips the shank of the tool holder and fixedly holds the shank to the receiving recess of the tool support member at an operative position, and, at an inoperative position, releases the shank to allow the tool holder to be attached or detached to or from the receiving recess.

Abstract: A light source device for an image processor has a plurality of LEDs which are disposed below a television camera. A shelter plate is disposed above the light source so as to prevent light emitted from the light source from directly entering the television camera. A cylindrical light transmitting barrel is provided, extending from the television camera to a position sufficiently close to an object to be detected.

Abstract: In an automatic electronic component insertion machine for inserting electronic components into the inserting holes in a printed-circuit board, inserting operations for any shaped electronic components among taped axial electronic components, taped radial components and stick-packed electronic components can be conducted with a single electronic components insertion machine. Especially, in the machine, insertion spindles are mounted in a turret form to perform the inserting operations at the single fixed position.

Abstract: An apparatus for automatically fixing a printed circuit board to a predetermined position on a worktable of an automatic electronic components insertion machine having a non-shiftably arranged reference positioning pin and a shiftable positioning pin which is automatically shifted by an automatic shifting unit, including a numerically controlled rotary drive unit and a feed screw mechanism. The shiftable positioning pin is arranged so as to be always shifted from a predetermined origin position toward or away from the reference positioning pin in response to a change in the size of printed circuit boards to be fed onto the worktable.

Abstract: In a feeder for carrying electronic components in a predetermined sequence such as ICs packed in a cassette, stick or the like in an electronic insertion machine, part of a carrying path is made movable between the two positions; a component passing position in a usual state and a waiting position outside the carrying path, whereby in the case of incorrect insertion of an electronic component, a new identical component can be supplied by leaving behind the components of the sequential order.

Abstract: A contour grinder having a grinding wheel that forms a workpiece into a desired contour by directly controlling the movement of the grinding wheel with a motor operated by numerical control. The grinding wheel has an arched shaped surface on the periphery thereof. The grinder also includes a vertical shaft about which the grinding wheel is rotatable and a support arm which carries a horizontal shaft to which the grinding wheel is fixed. The support arm is rotatably connected to a portion of the vertical shaft and connects the horizontal shaft at a right angle thereto so that the center of the arched surface on the periphery of the grinding wheel is aligned with the center of the vertical shaft. The vertical shaft is rotatable about its axis and movable longitudinally and laterally and the grinding wheel is movable with the vertical shaft.