Abstract: Assembly for dispensing a liquid, in particular a colorant for paint, comprising a container for holding a liquid, a pump, a valve, at least one dispense opening, and comprising or associated with a controller arranged to operate the pump and the valve to withdraw liquid from the container and to dispense liquid via the opening and to operate the pump and the valve to purge liquid from the pump to the container via the dispense opening.

Abstract: Assemblies adapted to secure personal items, such as pepper spray devices. Such an assembly includes an elastic sleeve having a tubular shape that defines an internal passage and oppositely-disposed upper and lower open ends, and a retention strap spanning the lower open end of the elastic sleeve. A personal safety device is removably disposed within the internal passage, a deployment end of the personal safety device protrudes through the upper open end of the sleeve through which the personal safety device is removable, and the retention strap engages a second end of the personal safety device to prevent the personal safety device within the elastic sleeve from entirely exiting the internal passage through the lower open end.

Abstract: A coating apparatus, and an electrode plate production system and method are provided, where the coating apparatus includes a roller capable of rotating around its axis. The roller includes: a body portion; and a protrusion portion disposed on an outer surface of the body portion and extending along an entire circumference of the body portion. A surface of the protrusion portion located on an outermost side in a radial direction of the body portion serves as a coating surface.

Abstract: An extrusion coating apparatus includes a housing having an inner chamber, a housing wall of the housing having a feed port and a coating outlet both communicated with the inner chamber, the coating outlet being in a slit shape; and further includes a porous structure disposed in the inner chamber and located on a material flow path between the feed port and the coating outlet, so that at least a portion of a material passes through the porous structure.

Abstract: Vibrotactile plush devices are disclosed. A vibrotactile plush device can include at least one transducer configured to generate a plurality of vibrations, at least one control unit configured to receive an input signal from a communication protocol and to transmit a first output signal to the at least one transducer, and a power source. The device can include a vibrotactile material configured to transmit the plurality of vibrations at one or more restorative or therapeutic frequencies to a body of a user. A padding material can be configured to dampen the plurality of vibrations. In some embodiments, the vibrotactile plush device can also be a weighted device and further comprise a heating pad. In some embodiments, the plurality of vibrations can simulate the purring of a cat, and a cover can be configured to possess a cat shape.

Abstract: A piezoelectric actuator includes: a base substrate, a piezoelectric device, a first heat dissipation layer, and a wire routing layer. The piezoelectric device is on the base substrate and includes at least one piezoelectric unit. Each piezoelectric unit includes a first electrode, a piezoelectric layer and a second electrode which are laminated on the base substrate in sequence. The first heat dissipation layer is on a side of the piezoelectric device facing away from the base substrate and has a first via hole. An orthographic projection of the first via hole on the base substrate overlaps an orthographic projection of the second electrode on the base substrate. The wire routing layer is on a side of the first heat dissipation layer facing away from the base substrate and includes a wire route. An end of the wire route is electrically connected to the second electrode through the first via hole.

Abstract: Systems and methods for sorting a vertically-stored stack of boxes. A system includes a lifter subassembly including a lifting frame defining a first aperture and a second aperture, a set of vertical rails coupled to the lifting frame, and a drive mechanism coupled to the lifting frame and the set of vertical rails to drive the lifter frame along at least one of the set of vertical rails, and a shifter subassembly including a set of horizontal rails positioned proximate the lifting frame, and a shuttle robot to transport the stack of boxes along the plurality of horizontal rails between the first aperture and the second aperture.

Abstract: Grain sorting process and apparatus include a grain infeed chute for delivery of bulk cereal grain into the apparatus past an in-line measurement station which analyses selected parameters of the grain discharged onto a horizontal grain sorting conveyor and into storage silos in response to the measured parameters. The measurement station has a sensor unit which includes a near-infrared light source for emitting light onto the grain delivered through the grain infeed chute or the grain sorting conveyor. Light reflected from the grain is detected by the sensor to provide a spectrum of the grain. A spectrometer converts the spectrum into corresponding preselected grain parameter values, which are delivered to a controller, which controls operation of the sorting conveyor in response to the measured grain parameter values to deliver the cereal grain into a storage silo having a grain parameter corresponding to the measured grain parameter.

Abstract: The present application discloses a system, a method, and a computer system for correlating information to facilitate automated sortation. The method includes (i) receiving, by one or more processors, a first optical sensor data comprising a first element of routing data required to route an item but not a second element of routing data required, in addition to the first element, to route the item, (ii) obtaining the second element of routing data from a second optical sensor data, and (iii) causing the item to be routed based at least in part on the first element of routing data and the second element of routing data.

Abstract: In order to efficiently remove deposited material adhering to the interior of an abatement device, an abatement device is equipped with a deposited material removing means for removing deposited material produced during abatement of exhaust gas. The deposited material removing means includes: a storage unit that stores a liquid; a gas supply unit that supplies pressurized gas to the storage unit; and a valve that sprays a mixed fluid of the liquid stored in the storage unit and the gas supplied by the gas supply unit.

Abstract: A process tool including a polishing pad on a top surface of a wafer platen. A wafer carrier is configured to hold a wafer over the polishing pad. A slurry dispenser is configured to dispense an abrasive slurry including a plurality of charged abrasive particles having a first polarity onto the polishing pad. A first conductive rod is within the wafer platen and coupled to a first voltage supply. A wafer roller is configured to support the wafer. A first wafer brush is arranged beside the wafer roller. A second conductive rod is within the first wafer brush and coupled to a second voltage supply. The first voltage supply is configured to apply a first charge having a second polarity, opposite the first polarity, to the first conductive rod. The second voltage supply is configured to apply a second charge having the second polarity to the second conductive rod.

Abstract: Ultrasonic generators fastened to a body are used as ultrasonic probes which, on account of the inverse piezoelectric effect, are thus used for emitting ultrasound and, on account of the piezoelectric effect, are also used for detecting (ultra)sound. In the process, a plurality of ultrasonic probes are initially fastened at predetermined positions on a surface, which positions likely ensure the largest possible surface area coverage, wherein this is thereby checked regarding whether a sound event emitted by a single ultrasonic probe can be detected by at least one other ultrasonic probe. Since in each case only one ultrasonic probe is connected for emitting a sound event and the remaining ultrasonic probes are connected for receiving, in each case the position of each ultrasonic probe can be adjusted, which leads to optimised surface area coverage. Optionally, the number of provided ultrasonic probes can also be increased or reduced.

Abstract: A system includes a laser drive assembly and a computer system. The laser drive assembly includes a laser that emits a laser beam to clean an end of a tube, a first motor that changes an angle of the laser beam with respect to the end of the tube, a second motor that moves the laser laterally, and a third motor that rotates the laser drive assembly around the end of the tube. The computer system is configured to clean the end of the tube by operating the laser to emit the laser beam, adjusting the angle of the laser beam with respect to the end of the tube by operating the first motor, adjusting the distance between the laser and the end of the tube by operating the second motor, and rotating the laser drive assembly around the end of the tube by operating the third motor.

Abstract: A pipeline descaling tool includes a milling tool, a roller assembly and a motor. The milling tool can rotate about a longitudinal axis of the assembly and is sized to fit within an inner volume defined by a pipeline. The milling tool can mill, by rotating, solid obstructions protruding from an inner surface of the pipeline into the inner volume. The roller assembly includes multiple rollers. The roller assembly is axially coupled to the milling tool. The roller assembly can transport the pipeline tool assembly including the milling tool within the inner volume. The motor is connected to the roller assembly and to the milling tool. The motor can rotate the milling tool and power the roller assembly.

Abstract: The invention relates to a cleaning system (100) for cleaning container units (2), in particular cans, comprising a movement device (102), which is arranged and designed to move container bundles containing a plurality of container units (2) along a cleaning path, at least one cleaning device (106-120), which is arranged and designed to clean the container units (2) within at least one cleaning portion of the cleaning path, and a control device, which is signal-coupled to the cleaning device (106-120) and/or the movement device (102), which is configured to put the cleaning device (106-120) into an energy-saving mode when a predefined bundle spacing between two successive container bundles (1, 1?, 1?) is exceeded, and/or to set a movement speed for the movement device (102) in such a manner that a bundle spacing (126, 128) between two successive container bundles (1, 1?, 1?) is less than the predefined bundle spacing.

Abstract: Embodiments disclosed herein provide an organic matter processing apparatus and method for the use thereof to convert organic matter into a ground and desiccated product. This can be accomplished using a bucket assembly that can grind, paddle, and heat organic matter contained therein. An algorithm is used to control the conversion of organic input to organic output by progressing through processing states based, in part, on time windows, runtimes, and sensor inputs.

Abstract: A driving force transmission mechanism is capable of preventing breakage of an oil chamber when the internal pressure in the oil chamber rises by impact when replacing work rolls and the like. The driving force transmission mechanism transmits power of a driving source to a work roll through a spindle and includes a first gear portion disposed on one end portion of the spindle, a second gear part disposed on the driving source or the work roll and fitted to the first gear part and an oil chamber for supplying a lubricating oil to the first gear part and the second gear part, where the oil chamber is provided with a first valve for discharging inner air in the oil chamber to an outside of the oil chamber and a second valve for introducing outer air into the oil chamber.

Abstract: A bending machine includes hydraulic cylinders capable of adjusting an inclination state, eccentric shaft units, and a control device. The control device sets an inclination state of the upper table and also sets a curved state of the lower table to conform to the inclination state of the upper table in order to carry out partial bending to pressurize a limited pressurized range compared to a pressurized range in which a workpiece is pressurized by using entire areas of an upper tool and a lower tool in a lateral direction. The control device changes a combination of the inclination state of the upper table and the curved state of the lower table and repeats the partial bending while causing a transition of the limited pressurized range in order to carry out entire area bending to pressurize the workpiece over an entire area in the lateral direction.

Abstract: A machine tool and method for optimizing the performance of when manufacturing a workpiece requiring machining and bending operations, wherein the machine tool includes a machine frame with at least one linear movable tool carrier slide configured to carry a working unit, at least one work spindle provided to receive a workpiece and a working unit mounted onto the tool carrier slide. The working unit is configured to be rotated around a B-axis and the working unit is moved linearly in a plane perpendicular to the B-axis and wherein the working unit is configured to bend the workpiece received by the work spindle.

Abstract: A tool for bending elongate objects including an electric motor having a motor output shaft, a bend mechanism having a support portion and a bias portion wherein first and second abutment portions of the support portion are separated by a space between them through which a third abutment portion provided by the bias portion can be moved in use. Force to be applied by the first, second and third abutment portions to an elongate object in use at different locations along the length of the elongate object for bending the elongate object, the third abutment portion having a plurality of bending surface portions each of which has a different radius of curvature and wherein the third abutment portion can be secured in different rotational positions thereby enabling a user to select the bending surface portion which engages the elongate object being bent in use.

Abstract: Disclosed herein is a portable electric power tool for bending elongate objects. The tool includes an electric motor having a motor output shaft, a bend mechanism having a support portion and a bias portion. The bias portion is operatively coupled to the motor output shaft via a transmission of the tool which in use causes linear relative movement between the bias portion and the support portion. The relative movement causes force to be applied by the bend mechanism to an elongate object in use at different locations along the length of the elongate object for bending the elongate object. The transmission includes a conversion mechanism for converting torque into a linear force for causing the linear relative movement between the bias portion and the support portion.

Abstract: A method for producing a card element. In a step, a first material layer having a predefined card body and at least one position marking is provided. In a step, a second material layer having at least one recess extending through the second material layer is provided. In a step, the second material layer is applied onto the first material layer in such a way that the position marking in the first material layer can be optically detected through the recess extending through the second material layer. In a step, a separating device is aligned on the basis of an optically detected location of the position marking. In a step, the predefined card body is separated from the first material layer by means of the separating device so as to produce the card element.

Abstract: A system and method for producing a flattened and smoothed metallic wafer using a top pressure tool plate and a bottom pressure tool plate with a first pressure application device in physical contact with the top pressure tool plate and a second pressure application device in physical contact with the bottom pressure tool plate. A first semiconductor wafer in is selective contact with the top pressure tool plate and a second semiconductor wafer is in selective contact with the bottom pressure tool plate, with a metallic wafer held between the first semiconductor wafer and second semiconductor wafer. The first and second semiconductor wafers can be Si wafers. A predetermined amount of pressure is applied for a predetermined duration from the top pressure tool plate and bottom pressure tool plate with the first pressure application device and second pressure application device to flatten and smooth the metallic wafer.

Abstract: A mechanism for producing coil springs (10) includes a winding stage (110) for engaging with a wire (20) and deforming the wire (20) to coil windings as the wire (20) moves through the winding stage (110). Further, the mechanism comprises a feed mechanism (120) configured to feed the wire (20) to the winding stage (110). Further, the mechanism comprises a rotary cutter (130). The rotary cutter (130) is configured to cut the deformed wire (20) into portions forming separate coil springs (10) and a blade (135) which is driven for rotation about a stationary rotation axis.

Abstract: A joining method for setting a rivet in a workpiece comprises the steps of: providing a setting tool including a frame, a punch, a die, a clamping device, a drive unit, and a control device; providing a predetermined maximal rivet setting speed to the control device; providing the rivet and the workpiece; feeding the rivet into the setting tool; and setting the rivet in the workpiece, the setting step further comprising: moving the punch at a first punch speed; slowing the punch to a second punch speed before the rivet contacts the workpiece; and driving the rivet into the workpiece by moving the punch and monitoring the punch to ensure the punch does not exceed the predetermined maximal rivet setting speed.

Abstract: A supply device designed as a separately positionable peripheral unit for supplying a processing device with elements, wherein a connection point is designed with a hollow transfer line that can be connected to the supply device such that the elements can be transferred in the hollow transfer line from the connection point to the processing device. The elements are transferred by means of a gas flow. The supply device has a gas flow generation device that transfers the elements from the connection point due to the gas flow provided by the gas flow generation device. The supply device is provided in an installation space, and the gas flow generation device takes in air from the environment of the supply device in the installation space of the supply device in order to provide the gas flow.

Abstract: A method for producing a component which has a toothing profile includes, in a first step, inserting a component blank into a mounting of a tool device configured to receive a pressing force during a movement of a pressing part of the tool device in a vertical movement direction, and, in a second step, pressing the toothing profile into the component blank using a rotational body which is coupled to the pressing part via a joint rod, when the pressing part is moved in the movement direction, the rotational body is pressed in a direction of the component blank and rolls along the component blank such that the toothing profile is formed.

Abstract: The present invention relates to methods for the layered construction of molds and cores that include refractory molding base material, a hydrophobized metal oxide as solids and a binder containing at least water glass in the form of an aqueous alkali silicate solution. The methods involve applying a refractory molding base material in layers and selectively print the molds and cores using the binder. The present invention further relates to molds or cores produced in accordance with these methods.

Abstract: Lost wax casting bonding methods and systems. A method for bonding a wax component in a feeder system for a lost wax casting process comprises embedding conductive nano-particles in wax to form a sacrificial susceptor. The method includes coupling the wax component to another component such that the sacrificial susceptor is at an interface of the wax component and the other component. The method comprises inductively heating the sacrificial susceptor to cause the wax of the sacrificial susceptor and at least a portion of wax of the wax component to melt to thereby form a bond between the wax component and the other component.

Abstract: A thin metal strip continuous casting method using momentum flow distribution, comprising the steps of: adjusting the position of a flow distribution device (2), and starting a double-roller thin strip continuous casting apparatus; molten metal (3) forming a uniform sheet-shaped molten metal flow (4) having an initial momentum after the molten metal (3) passes through the flow distribution device; the sheet-shaped molten metal flow entering a molten pool (5) at a superheat degree of 50-100° C. and an initial velocity of 0.5-2 m/s, wherein the flow distribution device is spaced apart from the molten pool; under the action of the initial velocity of the molten metal and in the molten pool, forming a whirlpool, which is adjacent to surfaces of two cooling rollers and has a momentum stirring action; and completing the solidification of the molten metal under the momentum stirring action of the whirlpool along with the rotation of the two cooling rollers.

Abstract: A defect detection and remediation system can be used to detect and remediate sub-surface defects within a cast metal during the continuous casting stage. The system can include a detection device having one or more detection units to detect a defect within the cast metal using ultrasonic waves and a remediation device having one or more remediation units to remediate the defect detected by the detection device in a target area of the cast metal containing the detected defect.

Abstract: A casting process of a central rotary joint includes the steps of obtaining an upper casting mold, a lower casting mold, and a sand core through 3-dimensional printing, inserting the chill into the sand core, placing the sand core with the chill in the lower mold, inverting the upper mold onto the lower mold to form a assembled mold and define a casting cavity and a vertical pouring channel connected to the casting cavity between the upper and lower molds, injecting liquid iron into the casting cavity through the vertical pouring channel, unmolding after the liquid iron is condensed to obtain the central rotary joint. Through the vertical pouring channel, the chill and related processes, the sequential solidification of the liquid iron is achieved, effectively avoiding deformation and shrinkage porosity caused by the shrinkage of the liquid iron and graphite expansion during the solidification process.

Abstract: A powder production method includes providing an elongated workpiece and repeatedly contacting an outer surface of the elongated workpiece with a reciprocating cutter according to a predetermined at least one frequency to produce a powder. The powder includes a plurality of particles, wherein at least 95% of the produced particles have a diameter or maximum dimension ranging from about 10 ?m to about 200 ?m. A system for producing powders having a plurality of particles including a cutter and at least one controller is also provided herein.

Abstract: A copper fine particle dispersion including copper nanoparticles A dispersed in the copper fine particle dispersion with a polymer B, and a dispersion medium C. The polymer B contains a constitutional unit derived from a carboxy group-containing monomer (b-1) and a polyalkylene glycol segment-containing monomer (b-2). A content of the polyalkylene glycol segment in the polymer B is not less than 55% by mass and not more than 97% by mass. An acid value of the polymer B is not less than 20 mgKOH/g and not more than 250 mgKOH/g. The dispersion medium C includes at least one compound selected from the group consisting of a (poly)alkylene glycol, a (poly)alkylene glycol derivative, a terpene alcohol, glycerin and a glycerin derivative.

Abstract: An embodiment of the present invention provides a frame-structured nanoparticle of porous-structured comprising: a ring-like shaped frame including a nano-sized internal ring frame and a gold nanoparticle external frame, wherein the nano-sized internal ring frame consists of platinum and the gold nanoparticle external frame surrounds the nano-sized internal ring frame; and a porous nanostructure positioned on inner space of the ring-like shaped frame. The frame-structured nanoparticle of porous-structured according to an embodiment of the present invention has the effect of providing a surface-enhanced Raman scattering analysis method on the basis of the high electromagnetic field focusing effect through the porous nanostructure.

Abstract: The present invention provides a method (1) of additively manufacturing an article comprising an oxide dispersion strengthened alloy, the method comprising: (5) providing a first powder comprising particles of one or more platinum group metals or an alloy thereof: (10) providing a second powder comprising particles of one or more non-platinum-group metals or metalloids, or one or more alloys thereof: (15) providing a third powder by mixing the first powder and the second powder, the third powder comprising from 0.01 to 1 wt. % of the second powder, based on the total weight of the third powder; and (20) forming an article by a powder bed fusion method using the third powder in an atmosphere comprising from greater than 0 to 2 mol. % oxygen.

Abstract: The invention relates to a method of assembling a fiber network comprising a plurality of metal fibers, wherein the method comprises the following steps: providing a loose network out of the plurality of metal fibers at an assembling site; fixing the plurality of metal fibers to one another by forming contact points between the single metal fibers by heating the plurality of fibers at a heating rate higher than 50 K/min, in particular higher than 100 K/min, especially higher than 200 K/min, preferably higher than 1000 K/min, to a fixation temperature selected in the range of 50 to 98% of their melting point temperature; and cooling the plurality of fibers at a cooling rate higher than 50 K/min, preferably higher than 100 K/min.

Abstract: A spray tip configured to atomize a fluid comprises an inlet configured to receive the fluid; an outlet defining an exit from the spray tip; internal geometry defining a pathway from the inlet toward the outlet; and a manufactured wear-mimicking geometrical feature.

Abstract: A method of forming MAX phase structures having one or more apertures includes filing a green body having one or more apertures with an insert powder and sintering while applying a load to the insert filled green body to from the MAX phase structure.

Abstract: A dip-coat binder solution comprises a dip-coat metallic precursor and a dip-coat binder. The dip-coat binder solution has a viscosity greater than or equal to 1 cP and less than or equal to 150 cP. A method of forming a part includes providing a green body part comprising a plurality of layers of print powder and a print binder, dipping the green body part in a dip-coat binder solution, and heating the dip-coated green body part. The dip-coated green body part is heated to form a coated green body part having a metallic precursor coating on an outer surface of the coated green body part. The coated green body part has a strength greater than or equal to 10 MPa.

Abstract: A layer manufacturing apparatus comprising: (a) a main chamber; (b) one or more energy emission devices; (c) one or more work piece supports; (d) a plurality of material delivery devices; wherein the plurality of material delivery devices are connected to one or more spools that are located external of the main chamber.

Abstract: Embodiments of the present invention provide an electromagnet alignment system for AM or 3D printing technology providing improved in-situ alignment of the magnetic particulate material as it is dispensed during deposition to form a 3D shape. In-situ alignment of the magnetic particulate material can be controlled to be unidirectional or multi-directional.

Abstract: A method for selectively irradiating a material layer in additive manufacturing of a component includes the following: providing geometric data, having a contour of a component that is to be additively manufactured, computer-based definition of an irradiation pattern for layers of the component, the irradiation pattern having at least one contour irradiation path in a layer, and wherein an irradiation of the contour irradiation path is superimposed by a pulsed irradiation in the layer for forming a predefined surface texture of the component such that melt baths, which result in the course of the production of the component from an irradiation of the contour irradiation path and such, which result from the pulsed irradiation, overlap. A corresponding additive manufacturing method, a correspondingly manufactured component and a corresponding computer program product are provided.

Abstract: The devices, systems, and methods of the present disclosure are directed to spreader positioning techniques for consistent and rapid layer-by-layer fabrication of three-dimensional objects formed through binder jetting. For example, an additive manufacturing system may include a roller and a print carriage. In a layer-by-layer fabrication process, the roller may move in advance of the print carriage over a dimension of a volume to spread a respective layer of powder onto which the print carriage delivers a binder. Controlling the position of the roller may facilitate achieving consistent layer characteristics which, in turn, may facilitate fabrication of high quality parts.

Abstract: A machining system including a first body with a first channel to receive a first stream of compressed air, a second channel to receive a second stream of compressed air, an upper compartment, the first stream of compressed air configured to clear debris from an upper compartment surface and a lower compartment surface when the first stream of compressed air is engaged, the upper compartment configured to shift to a position where the upper compartment abuts the lower compartment and conceals the upper compartment surface and the lower compartment surface when the second stream of compressed air is engaged, and the lower compartment configured to shift when in contact with the upper compartment.

Abstract: In one aspect, a coated cutting tool described herein comprises a substrate and a coating adhered to the substrate, the coating including a refractory layer comprising AlON, the AlON layer exhibiting a peak in a range of 33-35° 2? in an XRD, wherein the peak has a FWHM of 0.1°-0.7° 2?. In some embodiments, the AlON layer can exhibit a ribbon-like crystallites, needle-like crystallites, or rice-like crystallites and associated surface texture.

Abstract: A cutting insert according to one embodiment of the present invention comprises an upper surface, a lower surface, a lateral surface, a cutting edge, and a fastening hole, wherein the cutting edge includes a main cutting edge, a nose R part connected to the main cutting edge, and a sub-cutting edge connected to the nose R part, the upper surface includes a land part adjacent to the cutting edge, an inclined surface downwardly inclined from the land part, and an upper surface bottom part extending from the inclined surface, first and second protrusion parts are formed respectively, in which the first protrusion part is connected to a main cutting edge land part and formed on a main cutting edge inclined surface at a portion at which a nose R part inclined surface ends and the second protrusion part is connected to a sub-cutting edge land part and formed on a sub-cutting edge inclined surface at a portion at which the nose R part inclined surface ends, and no protrusion is present on the nose R part inclined su

Abstract: A drill is provided with a flank at a leading end portion of a body. An oil hole is provided at the flank, having a fan-shaped cross-section. The fan-shaped cross-section is formed by being surrounded by a front-side inner wall surface, a rear-side inner wall surface, an outer peripheral-side inner wall surface, and an inner peripheral-side inner wall surface. Compared to a round hole, a discharge performance of cutting fluid of the oil hole is high. The rear-side inner wall surface curves in a circular arc shape toward the front in a rotation direction. Thus, the drill can secure a distance between a ridge section of the flank and the rear-side inner wall surface to be wide, can suppress stress acting on a section between the ridge section of the flank and the oil hole, and can thus increase a discharge amount of the cutting fluid and also secure a tool rigidity.

Abstract: A method for machining ribs or grooves on a shaft (7) with an axial bearing (24) forming part of the shaft. The ribs or grooves (32, 24a) are obtained on a workpiece portion of the shaft and of the axial bearing, by moving the shaft or at least one tool holder fitted with a machining tool in a longitudinal direction of machining, by the tool performing reciprocating motions with a position in contact and with a position not in contact with the shaft or the axial bearing from the beginning to the end of the workpiece portion or face. The reciprocating motions are synchronised with the sinusoidal programming carried out in the machining unit, along with the desired and programmed arrangement of the ribs or grooves to be produced.

Abstract: A double-sided tangential cutting insert includes two identical opposing end surfaces and a peripheral side surface extending between the end surfaces. The peripheral side surface has two opposing identical major side surfaces, two opposing identical minor side surfaces and four corner surfaces. Each of the end surfaces include two spaced major cutting edges formed at an intersection between the end surface and one of the major side surfaces, two spaced minor cutting edges formed at an intersection between the end surface and one of the minor side surfaces, two diagonally opposite raised corners, each with a corner cutting edge, two diagonally opposite lowered corners, each having a corner non-cutting edge, major rake surfaces adjacent the major cutting edges, minor rake surfaces adjacent the minor cutting edges, cutting corner rake surfaces adjacent the corner cutting edges, and non-cutting corner rake surfaces adjacent the non-cutting edges.