Abstract: A machine for inductively hardening a workpiece has a stationary frame, a holder on the frame adapted to secure the workpiece in a workspace, and a control housing fixed on the frame and containing a transformer. A slide is movable on the frame relative to the workspace and carries an inductor juxtaposable with the workpiece in the workspace. A flexible high-current cable extends between the fixed transformer and the movable slide for feeding electricity from the transformer to the inductor.

Abstract: A grinding apparatus has a support frame and first and second carriages horizontally displaceable on the frame. Respective first and second workpiece spindles are each capable of holding and rotating a workpiece and are vertically displaceable on the first and second carriages. Respective first and second grinders on the frame carry respective first and second grinding wheels and are oriented to engage and machine workpieces held and rotated by the workpiece spindles. One of the grinders is movable horizontal or vertically on the frame.

Abstract: An apparatus for machining a workpiece has a housing having a vertical front wall and first and second side walls extending generally perpendicularly back from outer edges of the front wall, directed horizontally oppositely away from each other, and defining first and second planes themselves delimiting a space. First and second vertical guides on the first and second side walls outside the housing carry first and second vertical slides moveable vertically on the first and second vertical guides of the first and second side walls. First and second horizontal guides on the first and second vertical slides carry first and second horizontal slides movable horizontally on the first and second horizontal guides of the first and second vertical slides between the first and second front work stations and the first and second rear transfer stations.

Abstract: A machining apparatus has a frame, a magazine holding a plurality of tools, a loader capable of moving the tools between the magazine and a primary transfer position, first and second tool holders each displaceable horizontally and vertically on the frame, and a transfer arm carrying a grab. Each of the tool holders can move into and out of a respective secondary transfer position for switching a tool, one of the tools is removed from the magazine with the loader and moved by the loader into the primary transfer position, then the one tool is transferred position to the grab of the transfer arm. This arm is them pivoted to move the one tool in the grab from the primary transfer position into one of the secondary transfer positions, and then the tool at the one secondary transfer position is transferred from the grab to the respective holder.

Abstract: An apparatus for machining a workpiece has a housing having a vertical front wall and a first vertical side wall generally perpendicular thereto, respective first front and side vertical guides on the front and first side walls, and a first vertical slide extending along the front and first side walls. First front and side formations on the first vertical slide engage the first front and side guides for vertical movement of the first vertical slide relative to the housing. A first spindle unit adapted to hold the workpiece is carried on the first vertical slide, and a tool holder adapted to hold tools in a first work station is provided below the first vertical slide so that the spindle unit can engage the workpiece with a one of the tools in the work station.

Abstract: An apparatus for machining workpieces has a frame having a vertical front wall and defining a work station, an intake station, and an output station. Conveyors move the workpieces into the intake station and out of the output station. At least one tool is provided in the work station. A vertical guide on the front wall carries a vertical slide movable vertically by a drive. A horizontal guide on the vertical slide extends along the working, intake, and output stations and carries a horizontal slide movable by another drive means along the horizontal guide. A workpiece holder/grab rotatable about a vertical axis on the horizontal slide is shiftable between respective positions alignable with the working, intake, and output stations on movement of the horizontal slide along the horizontal guide.

Abstract: An apparatus for machining metal workpieces has a frame defining machining, pick-up, and drop-off stations. A vertical slide is vertically shiftable on the machine frame. In turn a horizontal slide carrying a rotatably driven holder is horizontally shiftable on the vertical slide between respective pick-up, machining, and drop-off positions above the stations. A holder is provided in the machining station, and one of the holders is adapted to hold a tool and the other of the holders for holding a workpiece for machining the workpiece in the machining station. A pair of shields is fixed to the vertical slide and horizontally flanks the machining station. One of the shields is between the machining station and the pick-up station. Respective slidable doors on each of the shields are shiftable between a closed position blocking movement of the rotatable holder past the respective shield and an open position permitting such movement.

Abstract: A frame defines a workpiece-transfer station, a machining station, and a tool station all centered on a common vertical plane. A carousel in the tool station carries a plurality of tools having shanks. A slide movable vertically and horizontally in the plane carries a tool head rotatable about a vertical axis itself having a tool socket adapted to fit shanks of the tools and a workpiece grab. This tool head can move horizontally in the plane to pick up and drop off tools and move workpieces between the transfer and the machining station, and can also move vertically during machining of a workpiece rotating in the machining station.

Abstract: An apparatus for machining a workpiece with a tool has a columnar housing having an upright front face and a pair of upright and parallel side walls extending horizontally rearward from the front face, a carriage movable at least vertically on the front face carries a first holder for the workpiece or the tool. A U-shaped frame juxtaposed with the housing front face has two rigid arms each extending rearward adjacent the housing side walls with interfitting guides between each of the arms and the respective side wall enabling horizontal movement of the frame toward and away from the front face. A second holder on the frame and in front of the front wall holds the tool or the workpiece and is engageable with the workpiece or the tool, respectively, in the first holder.

Abstract: A machining apparatus has a machine frame having a vertical front wall and a pair of vertical side walls extending generally perpendicularly rearwardly from the front wall and a cross slide vertically displaceable on the front wall. A first holder is horizontally displaceable on the cross slide, and respective carriages horizontally displaceable generally perpendicular to the front wall on the side walls carry a mount between and pivotal in the carriages about a horizontal axis generally parallel to the front wall. A second holder is carried on the mount. One of the holders is adapted to hold and rotate a workpiece and the other of the holders to hold a tool. A drive is connected to both of the carriages for synchronously displacing same and thereby aligning the workpiece in the one holder with the tool in the other holder.

Abstract: A machining apparatus has a frame defining first and second upper machining stations horizontally offset from each other and first and second lower transfer stations underneath the first and second upper machining stations. First and second spindles have respective workpiece grabs and are displaceable vertically on the frame between upper positions in the respective machining stations and lower positions in the respective transfer stations. A workpiece conveyor extending through the transfer stations can transport workpieces into and out of the transfer stations. A holder carrying tools is displaceable horizontally on the frame between the machining stations. A chip deflector has first and second parts movable between catch positions underneath the respective first and second machining stations and parked positions not underneath the respective first and second machining stations.

Abstract: An apparatus for machining an elongated workpiece with a tool a support column having a generally planar and vertical front wall and a pair of generally planar, parallel, and vertical side walls projecting rearward from respective outer edges of the front wall. A workpiece holder on the front wall can hold the workpiece forward of the front wall in a vertical orientation. A vertical guide secured to one of the side walls carries a vertical slide shiftable along the vertical guide. A front horizontal guide on the vertical slide forward of the front wall from the guide carries tool holder shiftable in the front horizontal guide on the vertical slide forward of the front wall and is adapted to hold the tool.

Abstract: A grinding wheel assembly has a support disk centered on an axis and having an outer edge and a pair of axially opposite faces. An annular abrasive ring is juxtaposed with the outer edge, and a flexible hinge formation joins the ring to the outer edge of the disk at one of the faces. An actuator body of controlledly radially variable dimension joins the ring to outer edge of the disk at the other of the faces for deforming the ring and flexing the hinge formation so as to vary a shape of an outer face of the ring radially of the axis. Thus with this system the exact shape of the outer face of the abrasive ring can be controlled remotely. The control can be very accurate, and can be monitored by sensors in a feedback system to ensure exact position of the outer ring surface.

Abstract: A machining apparatus has a frame carrying a headstock capable of gripping one end of an elongated workpiece and rotating the workpiece about a machining axis. A turntable support is spaced axially from the headstock on the frame. A tailstock carried on the support can be aligned with the machining axis in a machining position of the support. A machining drive is carried on the frame and itself carries a rotatable grinding disk engageable radially of the machining axis with the workpiece when the workpiece is engaged between the headstock and tailstock. A dressing tool carried on the support axially offset from the support axis and angularly offset about the support axis from the tailstock is engageable in a dressing position of the support with the grinding disk for dressing same in the dressing position with the workpiece engaged between the headstock and tailstock.

Abstract: A machining apparatus has a frame defining an input station, an output station, and first and second machining stations. Respective first and second workpiece holders in the first and second machining stations can retain a workpiece therein. A first pivotal turret is movable vertically and horizontally on the frame between the input station and the first machining station and carries at least one machining tool and a first grab, and a second pivotal turret is movable vertically and horizontally on the frame between the first and second machining stations and the output station and carries at least one machining tool and second and third grabs.

Abstract: A machining apparatus has a frame having an upright front wall and two vertical guides on the front wall carrying respective spindle units displaceable on the guides and each having a workpiece holder rotatable about a respective vertical axis and vertically shiftable between a respective upper machining station and a respective lower pick-up/drop-off station. A horizontal guide on the front wall carries a tool turret carrying a tool and shiftable along the horizontal guide between one position aligned with the axis of one of the spindles and another position aligned with the axis of the other of the spindles. A conveyor transports unmachined workpieces into the lower stations and machined workpieces out of the lower stations. Respective actuators shift the spindle units vertically along the respective axis between the lower stations and the upper stations.

Abstract: An apparatus for grinding a cam having an outer surface with outwardly convex and outwardly concave portions has a frame and a main drive on the frame for holding the cam and rotating it about a main axis. A pair of drive motors having respective output axes generally diametrally flank the main axis. Respective carriages carrying the drive motors are shiftable on the frame radially of the main axis. One of the motors is shiftable into an inner position in which the main axis extends through the one drive motor. Respective grinding wheels are rotatable by the motors about the respective axes, and the wheel of the one motor is of substantially smaller diameter than the wheel of the other motor.

Abstract: A machining apparatus for a shaft-type workpiece has a housing or frame defining a pair of spaced and upright side walls and a vertical front wall bridging the side walls. Vertical guides on one of the side walls carry a vertically shiftable headstock and tailstock capable of rotating a workpiece about an upright axis. Horizontal guides on the front wall carry a turret adapted to hold first machining tools and horizontally shiftable for engagement of the first tools with a workpiece held and rotated by the headstock and tailstock. A holder on the other of the side walls can hold a workpiece with an end of the workpiece exposed so that a second tool can engage and machine the exposed end of the workpiece.

Abstract: A machining apparatus has a frame defining a transfer station and a machining station thereabove, a spindle having a workpiece grab and vertically displaceable on the frame between an upper position with the grab in the machining station and a lower position with the grab in the transfer station, a tool holder horizontally displaceable on the frame toward and away from the machining station, and a workpiece conveyor extending through the transfer station. After shifting a deflector underneath the machining station into a side position out from underneath the grab, the grab is lowered to pick an at least partially unmachined workpiece in the transfer station off the conveyor and then raised with the workpiece into the machining station. The deflector is then shifted between a use position over the transfer station and under the machining station and a side position allowing the spindle to pass.

Abstract: A workpiece having a planar face the workpiece is rotated about a workpiece axis substantially perpendicular to the planar workpiece face, and a grinding disk centered on a disk axis is rotated about the disk axis. The disk has an annular planar disk face perpendicular to and centered on the disk axis and an annular frustoconical disk face extending from an edge of the planar disk face, centered on the disk axis, and angled inward from the planar disk face. A portion of the annular face is oriented perpendicular to the workpiece axis and pressed against the planar workpiece face to premachine most of the planar workpiece face. Thereafter the disk is pivoted and oriented parallel the planar workpiece face to finish machine the planar workpiece face with the planar disk face.