Abstract: Provided is an aircraft trimming device including a guide assembly (24) and a cutting tool (26). The guide assembly (24) includes a rigid plate (25) and a T-shaped track (30) mounted to one side of the plate to serve as a support and a guide for the cutting tool (26). The cutting tool (26) includes a base assembly (32); an air supply assembly (34) that is supported on the base assembly (32); and a cutting assembly (36) in pneumatic communication with the air supply assembly (34). During operation, the cutting tool (26) is pneumatically lifted by the air supply assembly (34) a slight distance off the track (30) in order that a mechanic may translate the cutting tool (26) along the track (30), thereby trimming an aircraft sub-assembly edge along a predetermined path (40).

Abstract: A lathe for producing an aspherical surface on an optical lens blank has a horizontal base, and a spindle is arranged for disposition in a preselected adjusted position on the base to rotatably mount the optical lens blank about a first preselected axis. A support is arranged on the base for pivotal movement about a second preselected axis. The support includes a roller cam follower rotatable about a third preselected axis and having a cylindric cam follower surface, a cutting tool disposed in a preselected adjusted position on the support for forming the aspherical surface on the optical lens blank, and a fluid pressure motor conjointly urging the roller cam follower and the cutting tool in a direction generally perpendicular to the third preselected axis.

Abstract: In an edge gluing machine, a milling device (6) with a rotating milling tool (9) is provided for shaping the corners (7,8) of the projecting edge bands (14), its pivoting device (11) being arranged on a vertically adjustable housing (15). During the adjustment of the bridge (2) to the respective thickness of workpiece (3), the housing (15) is adjusted vertically by a displacing member (18) and by means of a limit switch (28,29) such that the pivot axis (11') of pivoting device (11) is located in the center of workpiece (3). A linear path control activatable by a light barrier causes the milling tool (9) to be positioned at half the thickness of the workpiece from the leading or trailing narrow surface of workpiece (3). The position of the pivot axis (11') is thereby determined such that a perfect machining of the corners (7,8) is ensured.

Abstract: A portable, rotary power tool includes a guide roller and a special designed cutter mounted to the spindle of the tool. The rotary tool is presented to a lens blank mounted to a lens defining pattern. The guide roller engages and follows the shape defining lens pattern while the special designed cutter contacts and removes material from the lens blank being contoured. The cutter may be square and include a further shape defining cutting surface thereon for providing a bevel to the lens edge. In a further embodiment, a rotary power tool similar to the above device, including the guide roller and cutter, is mounted to a support fixture. The fixture includes a pivoting arm assembly to which a lens blank and lens defining pattern are mounted. The pivot arm assembly is rotatable toward and away from the cutter carried by the rotary tool such that the cutter engages and removes material from the lens blank dependant upon the shape defined by the lens pattern.

Abstract: A compliant end effector particularly suited for use with a robotic arm for accurately cutting and trimming the edges of a hot molded sheet of flexible plastic. The compliant end effector includes a mount secured to the robotic arm, an adjustment assembly pivotally attached to the mount, a guide that engages the plastic sheet near the area to be cut and trimmed, a tool for cutting and trimming the flexible sheet, and a pneumatic cylinder that biases the guide into engagement with the flexible sheet and presses the sheet against a rigid surface. The pneumatic cylinder moves the guide and tool through a range of positions as the robotic arm moves along a single path of travel down the length of the flexible sheet. The guide remains in contact with the flexible sheet despite warping or other imperfections in the stabilizing surface. The tool is fixed a predetermined distance from the guide to ensure that the plastic sheet is cut and trimmed within specific tolerances.

Abstract: An edge treatment tool having a vibratory mount to cause vibrating motion in a direction are used to treat metal edges extending in such direction. A resilient mounting may be used for the tool. The resilient mounting allows the tool to be vibrated by vibrators which oscillate with the tool or by vibrators which change length from a fixed to a resilient mount. The resilient mount is preferably provided by thin metal strips bendable about axes perpendicular both to the edge direction and to the application direction for the tool.

Abstract: A method of manufacturing a laid-up, bonded and, cured composite part, includes filling a groove on a facing surface of a tool with a foaming, self-skinning sacrificial material and covering the facing surface of the tool with a caul sheet. The tool is heated to cure the foaming material, filling the groove and forming a hard, smooth surface skin on the foam, flush with the facing surface of the tool. A series of plies are laid-up on the facing surface of the tool to form a tool-side skin, and other components of the part are laid-up on top of the tool-side skin plies. An adhesive/resin matrix is coated on or pre-impregnated into the skin plies and the components for bonding/curing to create a rigid integral assembly of the skin and components. A vacuum bag is applied over the laid-up skin and components and is sealed to peripheral regions of the facing surface of the tool around the laid-up skin and components.

Abstract: A tool for simultaneously machining two opposing edges of the end face of a horizontal plate is disclosed. The tool comprises two machining means, rotatable about a vertical axis; the lower machining means is at a fixed vertical position, while the vertical position of the upper machining means varies in conformance with the top surface of the plate, by being part of a vertically sliding subassembly that comprises one or more rollers and means to press the subassembly downward so that the rollers continuously touch the top surface of the plate.

Abstract: Apparatus for the working of an elongated body, in particular a profile of a fan blade, comprising the following parts, linked to each other:(a) a feeding device of a rod of an extruded material, from which the elongated body is obtained;(b) a first blocking device of the rod;(c) a second blocking device of the elongated body;(d) a mobile trolley able to slide along sliding trails;(e) a first cutting device integral with the mobile trolley;(f) at least one drilling device;(g) a second cutting device to cut the elongated body from the rod;(h) and a shaping device integral with the mobile trolley.

Abstract: An apparatus for loading, chamfering and unloading a ceramic or ceramic/polymer substrate for electronic components. An automatic part loader moves substrates in a row as a unit, using a frangible pin to push the parts. The part loader separates the first of the substrates from the rest, and a load pedestal pushes the first substrate up into a loading/unloading nest. The load pedestal is mounted on rods so that the substrate may move laterally to center itself in the nest. The nest then rotates to load the substrate onto a movable process pedestal. The chamfering apparatus includes a pair of spaced, rotatable cutting spindles for chamfering edges and corners on the substrate.

Abstract: A hand tool for deburring and beveling the edge of a part includes a small, hand-held driving tool coupled to a shaft on which are mounted a rotatable cutting blade and a pair of roller bearings of conventional, cylindrical configuration on opposite sides of the cutting blade. The cutting blade is secured for rotation with the shaft by a nut mounted on a threaded outer end of the shaft to compress the inner races of the roller bearings against the cutting blade and against an annular shoulder on the shaft. Upon placement of the pair of roller bearings against opposite sides of a part having an edge to be deburred and beveled, the driving tool rotatably drives the shaft and thus the cutting blade so as to accomplish the desired deburring and beveling action. The depth of beveling along the edge of the part is determined by size and shape of the cutting blade, the diameter of the pair of roller bearings and the space therebetween.

Abstract: A milling cutter for truing railroad wheels has a milling drive shaft (10) with at least two, preferably three, cutter sections (3, 4, 5). One fixed cutter section (4) is rigidly connected to the shaft (10). At least one, preferably two, cutter sections (3, 5) are axially shiftable along the shaft (10) and receive their torque drive through the fixed cutter section through a releasable coupling such as a claw clutch (9, 30). One axially shiftable section (3, 5) is positioned on each side of the fixed section (4), with a gap (22) therebetween. Preferably, the shiftable sections (3, 5) are interconnected (at 21) so that an axial adjustment of one section is synchronously transmitted to the other section and vice versa.

Abstract: A device and method are provided for reducing a length of an annular core on which a roll is mounted. If the core extends beyond the end of the roll, the roll is unstable when it is stacked. This device and method will trim the length of the core extending beyond the end of the roll to provide a flat face across the entire end of the roll. A stable stacking arrangement will therefore be ensured. The router includes a collar, a router bit and a transparent disk or plate mounted thereon. The router bit will chip away the portion of the core which extends beyond the end of the roll. A vacuum can be operatively attached to the router in order to remove chips formed by the router bit. The collar on the router will keep the bit spaced from the roll to prevent damage to the roll. This collar and the transparent disk or plate will also aid in guiding the router.

Abstract: A system for assembling parts on a sheet to form a panel includes a fixture for holding the sheet and presenting the sheet broadside to a robot. A rack within the reach of the robot holds a plurality of end effectors, each having an interconnect which can be gripped and centered by the robot when it picks up by the end effector. The end effectors include, 1) a drilling end effector having a drill for drilling holes in the sheet on centers determined by movement of the robot; 2) a routing end effector having a router for routing peripheral edge portions of the sheet along lines determined by movement of the router; 3) a probe end effector having a probe for sensing contact with surfaces on an index device mounted on the fixture at a known location to serve as a reference monument.

Abstract: The invention relates to a device to machine workpiece edges with variable dimensions using a device for clamping the workpieces and a machining unit, whereby the device according to the invention is characterized by a first clamping bed with a clamping plate for clamping the workpiece surfaces, a second clamping bed with a clamping plate for clamping the workpiece edges hanging over the first clamping bed and means to change the position and the orientation of the first clamping bed relative to the second clamping bed.

Abstract: The present invention comprises a ceiling tile cutting table which can be supported at a slight angle onto the side of a scaffold. The table includes a pair of support rails on one side of the table. The support rails slidingly support a rotatively empowered cutting tool which has a cutting bit extending therebetween. The table may be removed from the scaffold and attached to a set of wheels to permit the table to be mobile while also carrying tiles on the wheel's cross-arm bars therebeneath.

Abstract: A chamfer machine for providing a chamfer surface at the end of a workpiece. The machine includes a base and a guide member supported from the base for receiving the workpiece and disposed to enable the workpiece to move under gravity control. A rotary cutter is provided supported from the base with the cutter having a cutting surface adapted to engage the workpiece to provide a chamfering cut thereto as the workpiece is fed toward the cutting surface under substantially only gravity control.

Abstract: There is disclosed an apparatus for machining curved facets onto several polygons together. The apparatus of this invention comprises a fixture which has a mill bed and a ram. The mill bed holds an movable plate and the movable plate holds a rotating plate. The rotating plate which will be fixed during the operation of the apparatus will hold a stack of blank polygons. The ram holds two motors which are connected to a cutter. The motors cause the cutter to rotate and gradually move down the cutter. The rotation axis of the cutter is parallel to the rotation axis of the polygons. Once the motors are turned on the cutter will sequentially cut one curved facet onto each polygon. After one facet is cut onto each polygon, the motors will be stopped and the rotating plate will be rotated to position the polygons to receive the carve for the next curved facet.

Abstract: A portable tool for milling a chamfer edge on a workpiece includes a milling tool mounted on a motorized drive unit. A hood is carried on the drive unit and partially houses the milling tool. The hood has a bottom opening adjacent the path of the milling tool. A V-shaped guide structure is mounted adjacent the hood opening and includes a pair of guide plates spaced to provide an opening for supporting the edge of the workpiece that is to be cut adjacent the cutting path of the milling tool. An internally mounted bracket in the hood supports the guide plates.

Abstract: Envelope opening machine which is relatively small in size and suitable for use on table tops. The machine has a milling cutter and a pair of belts for feeding envelopes from a hopper past the cutter. The belts extend obliquely with respect to the path of the envelopes and tend to hold the envelopes tightly against a guide on one side of the path for precise alignment with the cutter. A removable chaff tray is located at the front of the machine, with a window for viewing the amount of chaff that has been collected. A removable cover overlies the belts and cutter, with hold-down wheels for maintaining the envelopes in contact with the belts and an interlock switch for deactuating the cutter when the cover is removed.

Abstract: A rotary device for simultaneously treating two or more regions of a workpiece, which includes a rotatable shaft having an externally threaded portion. Mounted on the shaft, connected to the shaft or integrally formed with it, is a first tool. The device further includes a second tool which is mounted on the externally threaded portion of the shaft. The second tool is internally threaded so that rotation of the second tool axially displaces the second tool along the shaft, thereby changing the spacing between the two tools. The device further includes a set screw or similar mechanism for fixing the second tool at a location along said externally threaded portion of said shaft.

Abstract: A cutting and beveling device for simultaneously cutting and beveling a selected work piece. The cutting and beveling device includes a work table and a support assembly secured to the work table. The work table defines a work surface for supporting the work piece. The support assembly supports a router in a manner such that the router is suspended over the work surface and is movable in a linear direction between the ends of the work table. The router receives a bit configured to cut and bevel simultaneously. The work table includes a slotted opening which receives shavings resulting from the cutting and beveling operation. The work table also includes a vacuum system for removing dust and particles resulting from the cutting and beveling operation.

Abstract: An apparatus for cleaning the welded corners of an assembled window frame is provided. The apparatus has a work surface and a clamping device on the work surface for holding an assembled work piece on the work surface. A cutting tool is provided on the work surface for removing excess weld material from the work piece corner in a specific profile, the cutting tool moveable in an arcuate path around the apex of the corner of the assembled window frame whereby excess material is removed from the corner in a single pass of the cutting tool.

Abstract: A portable tool for milling a chamfered edge on a workpiece, includes a cutting attachment installed on a motorized drive unit. The cutting attachment includes a rotary milling cutter partially encircled by a hood element that carries a V-shaped guide structure adapted for sliding engagement with edge areas of the workpiece. The hood is attached to the motorized drive unit by an eccentric cam means, which can be adjusted to vary the penetration distance of the milling cutter into the workpiece. Various cutting depths can be achieved by adjusting the hood in relation to the rotational axis of the motorized drive unit. The V-shaped guide is arcuately adjustable to vary the slant angle of the chamfered edge independently of the cutting depth adjustment.

Abstract: An improved worktable for cutting and machining operations, and particularly for removing flash from plastic parts, includes a floating work surface. The floating work surface is slidably supported on a lower fixed surface by a cushion of air. Four guides, one on each side of the floating work surface, permit translational movement of the floating surface during deflashing of a plastic part, while inhibiting rotational movement of the surface and part.

Abstract: A rectangular table 21 incorporating a series of heavy paper management rollers 12, 13, 14A, 14B, 18, and 19 that are engineered to allow the paper 10 to be drawn across said table's surface wherein a lower left hand lap joint 20A and opposing right hand upper lap joint 20B are simultaneously milled in and along the lateral edges of the passing paper 10 by the right hand lap joint milling machine 16 and opposing right hand milling machine 17 which are strategically recessed into the lateral edges of the table's surface. Ultimately, a paper 10 laminate 20 is produced through the described process which is used to form a continuous sheeting arrangement by bonding the lap joints 20A and 20B of individual vertically positioned sheets as the sheets are laminated to a prescribed surface.

Abstract: A tube end preparing apparatus for precisely preparing the ends of tubes, including bent tubes. The apparatus includes a reference mechanism, a tube clamping mechanism, a cutting mechanism, and cutting head control mechanisms. The reference mechanism and tube clamping mechanism combine to precisely locate a flow tube with respect to defined reference indicia. The entire locating and clamping process not only provides accuracy and symmetry in aligning and clamping the flow tube relative to the desired reference indicia but can be accurately repeated with speed. The cutting mechanism includes a rotating cutting head mounted for longitudinal movement on a carriage. A control system controls the feeding movement of the carriage as the cutting head nears the end of the flow tube. A first stop mechanism causes a plunger to contact a micro-switch to stop the longitudinal movement of the carriage. A second stop uses a hard stop to prevent the carriage from overtravel due to momentum.

Abstract: An axially compliant tool assembly for a programmable position controller is disclosed. Various construction details have been developed which provide a responsive means to make the tool axially compliant to deviations between the programmed path of the tool and the surface being worked upon by the tool. In one particular embodiment, the axially compliant means includes a base, a sleeve axially movable relative to the base, a tool disposed on an internally splined shaft, and a radial bearing disposed between the shaft and the sleeve. The sleeve includes a flange which defines in part two sealed cavities wherein the differential pressure between the two sealed cavities provides a working force for the tool and wherein the flange may move axially within the limits of the sealed cavities.

Abstract: The disclosure is directed to an apparatus and method for automated edge finishing using hybrid position/force control of an XY table. The disclosure is particularly directed to learning the trajectory of the edge of a workpiece by "guarded moves". Machining is done by controllably moving the XY table, with the workpiece mounted thereon, along the learned trajectory with feedback from a force sensor.

Abstract: The invention is directed to a device and method for profiling and deburring a workpiece. The device includes a profiler having a cutting edge for profiling a workpiece, a deburrer having a cutting edge for deburring profiled edges of a workpiece, and a yoke for supporting the profiler and the deburrer in opposed relation on opposite sides of a planar work position, the yoke being movable along a z-axis perpendicular to the work position to alternately move the cutting edges of the profiler and the deburrer toward and away from a workpiece in the work position. The yoke is also movable so that the cutting edges can be maneuvered in a working plane transverse to the z-axis.

Abstract: A compact machine for applying and contour milling or cutting of edge strips or laminates at the narrow sides of plate-shaped workpieces, in a forward cycle and a reverse cycle, with a single operator location and in continuously travelling manner, with a single conveying device at which the plates are transversely arranged such that the respective leading narrow side is arranged perpendicularly with respect to a longitudinal, main axis of travel, and the respective plate overhangingly extends from the conveying device for access, as well as being secured by clamps. The apparatus also includes an edge-gluing device and a shaping-milling device, both of which, with respect to the longitudinal axis, are sequentially arranged laterally at the conveying device.

Abstract: An improved tool for grinding a ridge in a bore comprises a planar base plate which is positioned over the bore, a handle along one edge of the base plate and a cutter tool projecting from the plate on the other extreme or diameter of the plate. The cutter tool cooperates with a rotary driven tool to provide a cutting action against the peripheral ridge in a cylinder bore, for example.

Abstract: A carbide tipped cutting tool adapted to shape the edge surface of a counter top which opens about a sink or bowl mounted therebeneath. The cutting tool is provided with a plastic follower adapted to engage the side wall of the sink or bowl to facilitate cutting and shaping of the edge portion of the counter top. The plastic follower is formed of nylon or Delrin and captively holds a ball bearing member therein.

Abstract: The machine comprises on a body bearing and rolling devices (5), a guiding arrangement constituted by adjustable claws (11) adapted to bear against the edge of the work piece (30) to be chamfered, and a router (20) including a milling cutter (24) mounted on the body to be pivotable in a plane perpendicular to the edge, the milling cutter (24) being located between the claws (11).

Abstract: Resilient tile within 0.005 inches of square and having sides within 0.005 inches of each other may be produced by positioning unfinished tile on a continuous belt. One edge adjacent the trailing edge of each tile is made to contact a stop means while the trailing edge is made to contact two independently adjustable dogs on the continuous belt. The tile is held down by hold-down rollers while the tile is so positioned. The two edges adjacent the trailing edge are edge finished, preferably by two cylindrical shaper routers. The tile is then positioned on a second continuous belt with one of the finished edges becoming the trailing edge and the remaining two edges being edge finished.

Abstract: An edge contouring system for removing burrs from edges of precision parts. The system includes an industrial robot for moving a special piloted deburring tool along the part edges. A compliance device applies a constant force on the deburring tool to keep it in contact with the part edge, yet permits movement of the tool in a direction normal to the part surface to accommodate for irregularities in the part geometry. A pilot integral with the deburring tool limits penetration of the tool into the part edge.

Abstract: An edging apparatus is provided which permits fast, efficient edging of materials, such a plexiglass, masonite or wood, on a horizontal plane. The edging apparatus includes a material support surface, a motor and cutter, a fence and an automatic feed assembly. The cutter motor is mounted on a sliding assembly to permit linear movement of the cutter.

Abstract: This invention relates to a process and an apparatus for cutting and trimming printed circuit board workpieces, particularly printed multilayer circuit board workpieces, which are cut to an exactly predetermined, selectable size at high speed in an operation in which the workpieces are subjected only to relatively low stresses. The workpieces are cut and trimmed and are profiled at each of their edges in a single operation. This is accomplished by means of two circular sawblades, which extend in a common plane and have interdigitating sawteeth, which preferably have diamond cutting edges. The interdigitating sawteeth of the two sawblades cut into the workpiece from opposite broadsides and the sawteeth of each of the sawblades penetrate into the workpiece only in part of its thickness.

Abstract: A flash removing method is provided for cutting off with a reamer which is freely movable while in contact with a polymeric molded product within a predetermined range of pressing forces. The reamer is provided with blades having normal clearance angles of substantially zero degrees and the flanks of the blades follow the flash-forming region. The reamer is controlled in radial position according to the shape of the polymeric molded product, so that the reamer always receives a constant radial load from the product to leave even traces after the flash removal. A solidified gate is cut off before the flash removal. A flash removing apparatus for performing the method is also disclosed.

Abstract: A device for on-line deburring of metal strip advancing continuously along a defined path, including a rotary knife having an inwardly facing cutting edge, and structure supporting the knife for rotation such that the cutting edge engages and shaves burr from a strip edge at a location beyond the axis of knife rotation, in the direction of strip advance. In a deburring method using such a knife, the knife is rotated by its engagement with the strip edge, in such direction as to throw the shaved burr laterally outwardly away from the strip.

Abstract: An apparatus for chamfering the outer edges of stacked printed circuit boards comprises a detecting device for detecting the boundary between two adjacent boards, and a chamfering tool positionable adjacent to the opposed outer edges of respective ones of the two adjacent boards in response to detection of the boundary and movable along the board outer edges to simultaneously chamfer both outer edges. The chamfering tool successively chamfers pairs of opposed outer edges in the upward direction on one side of the stack, and then the stack is turned so that the chamfering tool chamfers the outer edges on a different side of the stack printed circuit boards.

Abstract: This invention relates to apparatus for trimming and shape cutting a hearing aid having a three-dimensional body of irregular shape and a flat plate-like member surface mounted against the body for forming an enclosure in which electronic circuitry is mounted. The flat plate-like member has a rim of excess material extending from the body of the hearing aid. The apparatus includes a framework extending from a base with a surface plate mounted on the framework. A rotary drive is connected to the framework with a tool bit extending through an opening in the surface plate. A guide member having a finger is attached to the surface plate with the finger extending over the opening above the rotary tools bit, leaving a space in which the rim of the flat plate-like member is placed for automatic removal.

Abstract: A machine for chamfering the corner of an object comprising a rotating cutter arranged in a machine body and having cutting blades around the outer circumference of that portion of the rotating cutter which is projected from and tilted relative to an underside, a slide guide for slidably supporting the underside of the machine body and having guide planes perpendicular to each other and slidable along the corner of the object and also having a space formed between the planes and into which at least a part of the cutting blades of the rotating cutter is projected, a fixing means for connecting the machine body and the slide guide releasably from each other to adjust the cutting blades projected into the space between the guide planes of slide guide, and a stud means having a first end fixed to one of the machine body and slide guide at a position remote from the rotating cutter and serving to make the machine body and the slide guide swingable to each other when the fixing means is under release.

Abstract: A method of chamfering the outer peripheral edges of plate members comprises stacking the plate members in face-to-face vertically aligned relation so that for each two adjacent plate members the upper outer peripheral edge of the lower plate member opposes the lower outer peripheral edge of the upper plate member, detecting the boundary between two adjacent plate members in the stack, positioning a rotary chamfering tool in response to detection of the boundary, and moving the rotary chamfering tool relative to the outer peripheral edges of the two adjacent plate members to simultaneously chamfer the upper edge of the lower plate member and the lower edge of the upper plate member. The detecting, positioning and chamfering steps are repeated for each two adjacent plate members in the stack to thereby chamfer both the upper and lower edges of the stacked plate members.

Abstract: A portable gas operated rotary tool is provided for milling a surface on the end of a cylindrical workpiece. The tool has a motor powered by a pressurized gas, such as compressed air. The motor directly drives a rotary milling head which is axially aligned with the axis of rotation of the motor. The motor has a stator chamber which houses a rotor having radial slots. Vanes are journaled within said slots for radial movement within the slot and define progressively expanding cavities. The milling head has a central bore for mounting on an arbor of the motor. The milling head includes blades for milling a frustoconical surface on the workpiece and a non-locking pilot tube to align the tool with the longitudinal axis of the workpiece. A novel air motor design is also disclosed that provides very high rotary speeds using standard air system pressure, very high horsepower, a low polar moment of inertia and a low torque.

Abstract: A blind trimmer includes a machine frame and an immovable as well as a movable trimming mechanisms respectively mounted on two longitudinal sides of the frame. Each trimming mechanism includes a plate, a saw, a cylindrical milling blade, and a clamping device having a slide piece which is slidable on the plate and spacedly mounts thereon two jaw members clamping therebetween a respective end portion of a collapsed blind so that the respective end portion will be trimmed by the saw when the slide piece is slid on the plate to let the respective end portion pass through the saw.

Abstract: A machine for chamfering the corner of an object comprising a rotating cutter arranged in a body, a slide guide pivoted slidably relative to the underside of the body and having guide planes perpendicular to each other and slidable along the corner of the object and also having a space which is formed between the guide planes and into which at least a part of cutting blades of the rotating cutter is projected, a stopper screw for connecting the slide guide and the body slidable to each other and serving to keep the cutting blades projected into the space by a predetermined distance, and a means for adjusting the cutting blades projected into the space.

Abstract: Precision control over the cutting force during robotic deburring and edge contouring is obtained by use of a "zero spring rate" driver. The driver consists of an air cylinder with a low friction piston. An accumulator is used in between an air supply line and the air cylinder such that the air pressure against the piston is constant. The driver is used to position or move a moving portion of an ultralow friction ball slide relative to a fixed portion of the ball slide. The arrangement avoids inaccuracies in a metal removal process which might otherwise be caused by robot path errors, part setup errors, and robot stepwise motion effects.

Abstract: A milling device for working, and particularly for trimming the edges, of sheet metal strips, sheet metal plates, and the like. The workpiece is movable in any desired shape or direction in relation to the working position between guide rollers. The milling device has a cutter head which can be turned by a motor. The rotational axis of the cutter head is located approximately parallel to the plane of the workpiece and approximately vertical to the direction of advancement of the device. The device is provided with at least one cutter element provided with a cutting edge inclined at an angle to the normal plane of the cutter head.

Abstract: A power transmitting belt manufacture wherein belts are molded to have various cross sections. The belts are machined to a desired cross section. Each belt is entrained about drive and driven pulleys to run the belt under a preselected tension. At least one roller is caused to engage the back surface of the driven belt to reinforce the otherwise unsupported belt at the point of cutting between drive and driven pulleys. A pair of opposed cutting blades are engaged with the opposite sides of the belt to form the opposite side edges of the final belt section.