Abstract: A cutting device of an integrated paper-plastic bag cutting and sealing machine includes a sliding bracket and a cutting knife. The sliding bracket is connected to a horizontal displacement driving mechanism. The sliding bracket is formed by connecting an upper plate with a rear plate. The sliding block is mounted on the rear plate through a connecting shaft and is capable of sliding back and forth along the connecting shaft, front and rear snapping grooves are arranged on the connecting shaft along the length direction. A cutting knife is mounted on the sliding block, its lowest position is lower than the bottom surface of the sliding block. A spring positioning column is mounted on the sliding block, the top end of the spring positioning column passes through the shaft hole wall of the connecting shaft of the sliding block and tightly presses against the connecting shaft.

Abstract: A saw apparatus for sawing paving slabs has a frame mounted on a ground contacting propulsion member such that the frame may move above a slab to be cut without touching the slab. A first saw support assembly disposes a blade of a saw in cutting engagement with the slab for a transverse cut. A second saw support assembly disposes a blade of another saw in cutting engagement with the slab for a longitudinal cut. The saws are mounted on the saw assemblies and the saw assemblies are mounted on the frame and the frame is mounted on the ground contact propulsion members such that no part of said frame need contact the slab during cutting.

Abstract: Methods of treating the polymeric surfaces of a stent with a fluid including a solvent for the surface polymer are disclosed.

Abstract: A processing apparatus including a chuck table having a holding surface for rotatably holding a workpiece, a laser beam applying mechanism having a laser beam generating unit for generating a laser beam and focusing the laser beam to the inside of the workpiece held on the chuck table, a relatively moving unit for relatively moving the chuck table and the laser beam applying mechanism in a direction parallel to the holding surface of the chuck table while applying the laser beam to the workpiece to thereby form a modified layer inside of the workpiece, a separating unit for separating a part of the workpiece along the modified layer as a boundary formed inside the workpiece, and a grinding/polishing unit having a grinding/polishing wheel for grinding or polishing the modified layer left on the workpiece after separating the part and a spindle for rotatably mounting the grinding/polishing wheel.

Abstract: The invention relates to a polishing machine for spectacle lenses, including a least one workpiece spindle protruding into a workspace for a rotary drive of the spectacle lens about a workpiece rotational axis. At least one feed device lowers and raises a polishing tool relative to the spectacle lens. An oscillation drive unit moves the feed device back and forth in an oscillation direction, which during the polishing runs substantially transversely to the workpiece rotational axis. A swivel drive unit swivels the feed device about a swivel-adjusting axis which runs substantially perpendicular to the workpiece rotational axis and substantially normal to the oscillation direction. A swivel mechanism is provided to swivel the feed device, the oscillation drive unit and the swivel drive unit relative to the workpiece.

Abstract: The disclosed embodiments relate generally to methods for creating smooth cosmetic surfaces along small features of an electronic device. The disclosed embodiments are well suited for reaching surfaces disposed in constrained spaces. More specifically a method for finishing a workpiece is described. For example, the method may be employed to finish an inlet portion of a cable connector. The method may involve the use of an abrasive brush which may include a single filament and abrasive particles coupled thereto, which can be configured to provide any number of different surface geometries during a finishing operation.

Abstract: In order to be able to easily and sufficiently remove paint from the surface of a bumper, grooves or projections are provided on the surface of one roller, from among a pair of rollers on a roller apparatus (1), that comes into contact with the surface of the paint, and the paint is divided by making cuts in the paint by means of the grooves, or the like. In addition, by making the rotation speed of one roller faster than the other roller, the abovementioned cuts are widened further and the paint is divided into a plurality of narrow, strip-shaped pieces. When a sandblasting apparatus (2) sandblasts towards the strips of paint, and the like, from a diagonal direction, the sandblast strikes not only the surface of the paint but the edges of the cuts as well, whereby the paint can be efficiently removed.

Abstract: Methods of treating the polymeric surfaces of a stent with a fluid including a solvent for the surface polymer are disclosed.

Abstract: A milling and grinding device, for machining a workpiece, includes a rack, a positioning tool, a spindle, a tool magazine, a milling cutter, a grinding wheel, and a controller. The rack defines a receiving chamber, and includes a workstation at a bottom of receiving chamber. The positioning tool is mounted on the workstation to position the workpiece. The milling cutter and the grinding wheel are received in the tool magazine. The milling cutter is capable of milling the workpiece to form a hole. The grinding wheel is capable of grinding the hole of the workpiece. The controller is mounted on the rack, and capable of controlling the spindle to receive the milling cutter or the grinding wheel from the tool magazine, to mill or grind the workpiece. The tool setting gauge is mounted on the workstation, and capable of sharpening the grinding wheel in a different grinding precision.

Abstract: A glass-plate working machine 1 is arranged such that while a cutting head 9 for forming a cut line on a glass plate 5 and a grinding head 10 for grinding a peripheral edge of the glass plate 5 bend-broken along the cut line are being moved simultaneously in parallel under numerical control, the cutting head 9 and the grinding head 10 respectively having angle control motors 46 and 49 are synchronously subjected to angular control about axes 39 perpendicular to the surface of the glass plate 5, and the cutting head 9 and the grinding head 10 are moved such that the orientation of a cutter wheel 52 is adjusted to a processing line, and the press contacting direction of a grinding wheel 64 of the grinding head 10 is kept in a normal direction with respect to a processing line of an edge of the glass plate 5.

Abstract: A deburring device, for removing burrs off an inner sidewall of a hole of a workpiece, includes a mounting seat, a first driving member, an elastic coupler, a cutter, a polisher assembly, an elastic coupler, and a controller. The first driving member is mounted on the mounting seat. The cutter is connected to the first driving member by the elastic coupler. The polishing assembly is assembled to the mounting seat and arranged opposite to the cutter, in which the controller is electrically connected to the first driving member and the polisher assembly. The controller controls the cutter to enter the hole of the workpiece and mill the inner sidewall of the hole of the workpiece to remove burrs off the workpiece, the polishing pad moves to remove burrs generated by the cutter.

Abstract: A grinder including a grinding unit including a grinding surface and a shaft connected to the grinding unit for rotating the grinding unit. The grinding unit includes polyurethane and a mixture of a repairer and an abrasive, and an angle ? between a plane perpendicular to a rotational axis of the shaft and the grinding surface satisfies 1°???7°.

Abstract: There is provided a cutting and edge-coating removal head for sheets of glass (V) coated by a film (S) to be mounted on cutting benches. The cutting tool (20) is positioned inside the edge-coating removal tool (10), consisting of a diamond-tipped disc, a cup grinder or spark grinder, a pad, a blade, or a brush with steel bristles.

Abstract: A glass-plate working machine 1 is arranged such that while a cutting head 9 for forming a cut line on a glass plate 5 and a grinding head 10 for grinding a peripheral edge of the glass plate 5 bend-broken along the cut line are being moved simultaneously in parallel under numerical control, the cutting head 9 and the grinding head 10 respectively having angle control motors 46 and 49 are synchronously subjected to angular control about axes 39 perpendicular to the surface of the glass plate 5, and the cutting head 9 and the grinding head 10 are moved such that the orientation of a cutter wheel 52 is adjusted to a processing line, and the press contacting direction of a grinding wheel 64 of the grinding head 10 is kept in a normal direction with respect to a processing line of an edge of the glass plate 5.

Abstract: Particularly, a thin-film solar cell panel or the like is processed without necessity of attaching and detaching of mask and washing steps with respect to a workpiece in a fine blasting employing a fine abrasive. A negative pressure space (20) and an opposing negative pressure space (40) having openings (22, 42) are opposed by being spaced at a movement allowable interval of the workpiece such as a thin-film solar cell panel or the like and so as to face one side edge in the same direction as a moving direction of the workpiece.

Abstract: In order to be able to easily and sufficiently remove paint from the surface of a bumper, grooves or projections are provided on the surface of one roller, from among a pair of rollers on a roller apparatus (1), that comes into contact with the surface of the paint, and the paint is divided by making cuts in the paint by means of the grooves, or the like. In addition, by making the rotation speed of one roller faster than the other roller, the abovementioned cuts are widened further and the paint is divided into a plurality of narrow, strip-shaped pieces. When a sandblasting apparatus (2) sandblasts towards the strips of paint, and the like, from a diagonal direction, the sandblast strikes not only the surface of the paint but the edges of the cuts as well, whereby the paint can be efficiently removed.

Abstract: Certain embodiments disclosed herein relate to apparatuses and methods for intricate cuts. In particular, in one embodiment, a cutting apparatus is provided. The cutting apparatus includes a base member and an elongate member extending from the base member. The elongate member includes a tapered region having an abrasive surface. The tapered region defines at least one vertex defining an angle of a desired cutout shape. Additionally, the tapered region is toothless.

Abstract: A tool for machining composite material parts and a machining machine including such a tool. The tool has a substantially cylindrical main body. The main body includes a polishing part with a diameter D1, with a main axis and an abrasive part with a diameter D2, with D2 <D1, such abrasive part being centered on the main axis. The abrasive part includes, at its end at least one cutting element intended to enable penetrations of the tool into the composite material parts.

Abstract: Tool and method for machining a workpiece, such as a milling tool, including at least one cutting insert and including a grinding wheel, for machining a workpiece, and the method thereof. The grinding wheel is axially extendable relative to a base body of the tool via fluid actuation from a cooling fluid supply. Additionally, cooling fluid is also provided to a grinding surface of the grinding wheel.

Abstract: The end face processing apparatus of the present invention is an end face processing apparatus for processing the cut face of a cut ceramic molded body, which comprises an air blowing outlet and an extraneous material removal member, and is configured to remove burrs remaining on the cut face from the time of cutting as well as powder adhering to the cut face and on the periphery thereof using the extraneous material removal member and air from the air blowing outlet.

Abstract: A glass-plate working apparatus (1) includes a grinding means (7) for grinding a peripheral edge (6) of a glass plate (2); and a grinding supporting means (9) for supporting the glass plate (2) whose peripheral edge (6) is to be ground by the grinding means (7), wherein the grinding supporting means (9) includes a grinding supporting table (101), a plurality of suction cups (102) which are held on the grinding supporting table (101) by being attached by suction to the grinding supporting table (101) and suck and hold the glass plate (2) by sucking the glass plate (2) whose peripheral edge (6) is to be ground, and an arranging means (103) for disposing the plurality of suction cups (102), respectively, at positions corresponding to the shape of the glass plate (2) to be ground.

Abstract: A grinder wheel for a liquid crystal display device and a method of fabricating a liquid crystal display device using the same are provided. Two grinding surfaces are formed in the grinder wheel used for grinding a substrate so that it is possible to improve grinding characteristics, to increase the life of the grinder wheel, and to reduce grinding time. The method includes cutting the substrates attached to each other into a plurality of unit liquid crystal display panels, loading the unit liquid crystal display panel on a grinding table, grinding a predetermined region of the liquid crystal display panel using a grinder wheel including two grinding surfaces of a first grinder surface for primary grinding and a second grinder surface for secondary grinding, and unloading the ground liquid crystal display panel.

Abstract: A cut section checking/aligning unit simultaneously checks cut sections of unit liquid crystal display panels that are separated from within first and second base substrates and aligns the unit liquid crystal display panels to a reference position. A grinding unit grinds edges of the unit liquid crystal display panels. The cut section checking/aligning unit and the grinding unit are integrated within a grinding device.

Abstract: A glass-plate working apparatus includes a glass-plate supporting portion 20a of a feed conveyor 7, a glass-plate supporting portion 20b of a cutting section 2, a glass-plate supporting portion 20c of a bend-breaking section 4, a glass-plate supporting portion 20d of a grinding section 3, and a glass-plate supporting portion 20e of a discharge conveyor 8; a cutting head 9, a bend-breaking device 66, and a grinding head 10 for processing glass plates 5 which are respectively supported by the supporting portions 20b, 20c, and 20d; and a transporting device 89 for transporting the glass plate 5 on the supporting portion 20a onto the supporting portion 20b, the glass plate 5 on the supporting portion 20b onto the supporting portion 20c, the glass plate 5 on the supporting portion 20c onto the supporting portion 20d, and the glass plate 5 on the supporting portion 20d onto the supporting portion 20e, respectively.

Abstract: A method and apparatus for finishing the surface of rubber or synthetic covered rollers (10) is disclosed. As seen in FIG. 3, a rotating hub (16) having a circumferential abrasion band (47) and an adjacent set of rasp blades (20) arranged end-to-end and extending circumferentially about the hub is used to progressively and sequentially removebands of surface material by cutting and then abrading as the hub and roller are rotated and one is moved axially relative to the other.

Abstract: Cutting and grinding of ceramic-type logs to a desired piece length is disclosed. A method of manufacturing ceramic ware is disclosed which comprises transversely cutting a piece from a ceramic-type log having a longitudinal axis by cutting into the log with a blade at a location along the length of the log to form a cut transverse surface on the piece and grinding the cut transverse surface with a side of the blade. An apparatus for manufacturing ceramic ware is also disclosed comprising means for transversely cutting a piece from a ceramic-type log having a longitudinal axis, including a blade for cutting into the log at a location along the length of the log to form a cut transverse surface on the piece, and means for grinding the cut transverse surface with a side of the blade.

Abstract: A micro-concave portion machining method is provided for forming micro-concave portions on an inner circumferential surface of a cylindrical bore form in a workpiece. The micro-concave portion machining method includes performing mirror surface machining and subsequent plastic working on the inner circumferential surface. The plastic working on the inner circumferential surface forms a plurality of recesses with each of the recesses including a micro-concave portion.

Abstract: A method of machining a wafer is disclosed, in which the wafer is held by sucking its back-side surface directly onto a suction surface of a chuck table, and the tips of protruding electrodes and a resist layer are cut to make them flush with each other (appendant part cutting step). Next, the wafer is held by sucking the surface of the cut appendant part directly onto the suction surface of the chuck table, and the back-side surface of the wafer is ground (back-side surface grinding step), followed by removing the resist layer. The wafer is held onto the chuck table without using any protective tape but by directly holding the wafer, whereby the wafer can be ground to have a uniform thickness.

Abstract: A method and apparatus for automatically removing flash along the parting line of a golf ball, especially when the parting line is wavy or corrugated. The apparatus is also effective for removing flash from golf balls that are not completely spherical, or golf balls that are void of tabs or annular ring which are commonly used for alignment. The method removes flash from a golf ball by using a mapping device comprising either a vision orientation system or a laser means incorporating comprises high resolution CCD displacement sensors on a servo controlled vertical axis to properly place the ball in position wherein a cutter and buffer are maneuvered along a mapped contour of the flash that is captured by the coordinated motion logic of a computer.

Abstract: A substrate production apparatus for producing a substrate for a display device is disclosed. The substrate production apparatus includes a first production apparatus including a first scriber to scribe a first mother substrate into at least one first model substrate and at least one second model substrate, a first grinder to grind the first model substrate, and a first cleaning unit to clean the ground first model substrate. The substrate production apparatus also includes a second production apparatus including a second scriber to scribe a second mother substrate into at least one first model substrate and at least one second model substrate, a second grinder to grind the second model substrate, and a second cleaning unit to clean the ground second model substrate. Additionally, the substrate production apparatus includes a common buffer unit to store the second model substrate from the first production apparatus and to store the first model substrate from the second production apparatus.

Abstract: A planning and polishing machine includes a base, an intermediate base installed with a conveying device for laying a workpiece, and an upper base pivotally fixed with at least a planer and a grinding roller. A driving motor is installed below the conveying device, with its shaft engaged with a first driving wheel and a second driving wheel with different diameters. The first driving wheel and the blade are mounted by a first driving element, and the second driving wheel and the grinding roller are mounted by a second driving element. When the driving motor is turned on to draw the first driving element and the second driving element, the blade and the grinding roller are to be meanwhile driven to rotate in different rotating speeds, enabling the blade to powerfully plane the surface of a wood, achieving a high precision and efficiency of planning and polishing.

Abstract: A tool for machining composite material parts and a machining machine including such a tool. The tool has a substantially cylindrical main body. The main body includes a polishing part with a diameter D1, with a main axis and an abrasive part with a diameter D2, with D2<D1, such abrasive part being centred on the main axis. The abrasive part includes, at its end at least one cutting element intended to enable penetrations of the tool into the composite material parts.

Abstract: A substrate production apparatus for producing a substrate for a display device is disclosed. The substrate production apparatus includes a first production apparatus including a first scriber to scribe a first mother substrate into at least one first model substrate and at least one second model substrate, a first grinder to grind the first model substrate, and a first cleaning unit to clean the ground first model substrate. The substrate production apparatus also includes a second production apparatus including a second scriber to scribe a second mother substrate into at least one first model substrate and at least one second model substrate, a second grinder to grind the second model substrate, and a second cleaning unit to clean the ground second model substrate. Additionally, the substrate production apparatus includes a common buffer unit to store the second model substrate from the first production apparatus and to store the first model substrate from the second production apparatus.

Abstract: A gear shaper machine system drives and maneuvers a hone tool to generate teeth geometry in a manner the teeth were machined prior to a hardening process. After heat treatment, the hone tool is indexed to the teeth geometry spacing of the workpiece so as to divide the stock removal evenly between the drive and coast sides. The hone tool may be driven with rotational and reciprocating synchronous teeth generating motion in which the hone tool reciprocates along the length of the teeth parallel to the centerline of the workpiece while the workpiece and hone tool rotate with synchronous motion.

Abstract: An apparatus and method for fabricating a liquid crystal display panel are disclosed. In case of the single mode that liquid crystal display panels are fabricated with the same size on a large glass substrate, unit liquid crystal display panels are kept and discarded not to proceed with a follow-up process. Thus, a material waste is restrained and a yield can be improved. Meanwhile, in case of the multi-mode that liquid crystal display panels are fabricated with difference sizes on a large glass substrate, sub-models are kept, and then after completing the process for the main models, a follow-up process if performed on the sub-models. Thus, use efficiency of the glass substrate can be maximized to improve a productivity and a unit cost of the product can be reduced.

Abstract: A belt grinding is integrated with an electroerosion machine for contouring the working surface of a mill roll and providing a texture thereon. The belt grinder can superfinish the roll and remove peaks in the surface without significantly affecting the mean surface roughness produced by the electroerosion.

Abstract: The invention provides a shape member manufacturing apparatus and a shape member manufacturing method which aims at cutting and grinding a joint projection 8B formed when a plurality of shape members are joined together by welding or friction stir welding, in a short time with high accuracy. A plurality of mounts 11 having a side structure 8 placed thereon are arranged in the longitudinal direction of the side structure. A joint projection 8B of a welded portion or a friction stir welded joint is formed on the surface of the side structure 8 in its longitudinal direction. A carrier 100 travels in the longitudinal direction of the side structure 8. Columns 105 are installed in a girder 103 of the carrier, and a milling cutter device 80 and a grinding device 90 are installed in lower portions of the columns 105. A milling surface of a milling cutter 81 of the milling cutter device 80 has a circular-arc shape with a radius R.

Abstract: An apparatus (1) for working a glass plate includes: a glass-plate working section (4) for working a glass plate (2) whose upper surface (3) is coated; and transporting means (6) for carrying into the glass-plate working section (4) the glass plate (2) to be worked and carrying it out from the glass-plate working section (4) after working, by imparting to a lower surface (5) thereof a moving force in an X direction parallel to the upper surface (3) and the lower surface (5) of the glass plate (2).

Abstract: A cutter foe making optical lenses has a main member with a connector base and a grinding assembly at an opposite ends thereof. The grinding assembly has two fixed devices having a cutting portion at a distal end thereof respectively and two movable devices having a grinding portion at a distal end thereof respectively. The grinding portions are finer than the cutting portions. An elastic member has opposite ends resting on the main member and the movable device to urge the movable device for movement along an axial orientation of the main member. A key is provided between the movable device and the main member to restrict the movable device from movement, whereby the grinding portion of the movable device is higher than the cutting portions of the fixed devices by the elastic member urging the movable device outward and the key fixing the movable device thereat.

Abstract: An apparatus for conditioning a polishing pad of a CMP apparatus for making semiconductor wafers is provided which includes a control arm configured to extend at least partially over a polishing pad. The apparatus also includes at least one cylindrical conditioning piece coupled to the control arm where the control arm is configured to apply the at least one cylindrical conditioning piece to the polishing pad.

Abstract: A numerical control (NC) processor with an onboard grinding unit is disclosed in which a workpiece is first cut in a preselected contour with a Y-axis cutting tool, and then subjected to honing operation intact whereby both the cutting and honing operations can be performed with just a single processor with high-speed, high-acceleration. With the NC processor, the Y-axis cutting tool is mounted on a sliding base above an X-axis table in a way allowed to move back and forth in a Y-axis direction, while a grinding unit is installed in close proximity to the sliding base. A slider moves back and forth in synchronized relation with rotation of a work spindle to first let the Y-axis cutting tool cut the workpiece into a preselected contour, and then cause a buffing material of the grinding unit to grind a work surface of the workpiece into a high-quality surface finish in conformity with a programmed contour while the workpiece remains held intact in a chucking device.

Abstract: A glass plate tooling apparatus has independently driven loading and unloading tools which presents raw workpieces to, and removes finished workpieces from a centrally located machining station. The machining station holds the workpiece in a fixed orientation on first and second planes. Machine tools, such as a grinder apparatus and a drill apparatus are independently movable on the first plane to engage with and tool the workpiece. The machining station rotates to provide tool accessibility on a third plane.

Abstract: A sharpener assembly for a food slicer includes a rotatable frame with a sharpening member and a truing member operatively connected for rotation with the frame. The frame is mounted on a food slicer to place the sharpening member and truing member on opposed sides of a slicer knife. The frame is rotated to rotate the sharpening member and the truing member into contact with respective sides of the slicer knife.

Abstract: A gantry is constrained to move around the walls of a cylindrical, concrete tank. A rotating, high pressure water spray nozzle is mounted to a moveable platform on the gantry and connected to a source of water at a pressure of over 20,000 psi. The distance between the nozzle and an opposing surface of the wall of the tank is selected so the nozzle can remove the surface of the concrete and produce a selected surface roughness. The platform is moved vertically, with the gantry moving around the tank, so the surface of the concrete is systematically removed and roughened. A shotcrete or gunnite sprayer is then mounted to the platform, and the roughened surface sprayed with shotcrete or gunnite which sticks to the roughened surface. A tensioning head is then mounted to the platform, and wires or cables are tensioned as they are wrapped around the walls.

Abstract: Rotary saw blades (1, 17, 18) for use on a power saw are disclosed for cutting and sanding materials simultaneously. The rotary blades have abrasive sanding means (10, 11) affixed to each face of the blade to accomplish the sanding process. The abrasive means may take the form of donut-shaped abrasive pieces (10) affixed radially inward of blade cutting teeth (3) on each face of the blade or a plurality of abrasive pieces or disks (11) attached to various locations on both faces of the blade. The plurality of abrasive pieces may consist of different grades of sand paper with the heavier grades of paper being radially nearest the teeth and finer grades inward so that the material when cut may be gradually sanded and polished as the cutting occurs. One embodiment provides rotary blades (17, 18) with recessed areas (12, 15) for fixing thicker pieces of adhesive means or for use when the kerf width (9) of the blade teeth (3) is less.

Abstract: A method of manufacturing aluminum frames for photomask protective films comprises the step of: providing a square-shaped hollow or solid strut aluminum material, fastening the bottom end of the aluminum material to a base of a machine tool, using a milling cutter to fabricate and form a hollow trough for a selected depth in the aluminum material from the top surface thereof, and using a cutting tool to cut off the aluminum material at the periphery of the hollow trough to form individual aluminum frames for the photomask protective films. The method of the invention uses fewer chucks and screw bolts during machining, and can reduce chuck setup time and simplify machining processes.

Abstract: A hob cutter includes a cutting portion and an abrading portion in mechanical communication with the cutting portion. The cutting portion includes a plurality of hob teeth having at least one gash extending therethrough to define a cutting face on a front of each hob tooth and a trailing face on a back of each hob tooth. The abrading portion includes a plurality of abrading teeth positioned adjacent to each other. Both the hob teeth and the abrading teeth are continuously formed and helically arranged.

Abstract: A mobile apparatus for removing floor coverings. The apparatus has a main frame supported by wheels and includes a scraper blade mounted on the front of the frame and a rotary cutter assembly mounted underneath the frame with controls whereby the scraping blade is used independently of the rotary cutters and the rotary cutters are use independently of the scraping blade, and wherein the rotary cutters may be moved from underneath the frame to one side of the frame for ready access to the cutter members of the rotary cutters.

Abstract: A glass plate working machine comprises a cutting unit(1) for forming a cutting line on an unshaped glass plate(22) to break the unshaped glass plate(22), a grinding unit(2) for grinding an edge of the glass plate broken along the cutting line, a glass plate conveyer unit(4) for conveying the glass plate sequentially through the cutting unit(1) and the grinding unit(2), and control mean(CNT), connected to the cutting unit(1) and the grinding unit(2) for controlling the cutting unit(1) and the grinding unit(2), respectively.

Abstract: Disclosed is a portable apparatus for the machining of a crankshaft pin of a crankshaft installed in an engine. The apparatus is supported on the crankshaft-web side surfaces and performs economical procedures by turning, milling or grinding. The apparatus and the method applied with it achieve dimensional, shape and positional tolerances and also surface finishes as specified for constructing new crankshafts.