Abstract: Disc screen for the separation of solid residues, provided with a plurality of parallel rotating shafts each carrying a plurality of discs and defining a screening plane for treating residues between an input section and an output section. A movable hopper is provided for, slidable along an advancement direction of the residues, above the screening plane, provided with an outlet door which can supply the screening plane in different positions.

Abstract: Vibratory separator screens separate solids and/or fluids, methods form said screens and vibratory screen apparatuses utilize said screens. The vibratory separator screens, methods and apparatuses have a mesh portion having a first side of the mesh portion and an opposite second side of the mesh portion, a first hem crimp affixed to the first side of the mesh portion, and a second hem crimp affixed to the second side of the mesh portion.

Abstract: An aspiration hopper assembly having a diverter vane, an adjustable depth plate, and a slidable product wave plate disposed within and connected to an aspiration hopper. Below the aspiration hopper is an air tube housing having an air tube with a cut-out section, an air pick-up chamber, and an adjustable velocity plate. Sight windows provide a means for visual inspection to monitor performance when making the adjustments for optimal results. The purpose of the aspiration hopper assembly is to allow good product to pass through the aspiration hopper in order to remove foreign material that is the similar size and lighter in density from good product.

Abstract: A device for separation and removal of light impurities of a granular material has a body (1) in the upper part of which is located a fan (2) that sucks air, driven by a motor (3), and in the central part is axially fixed a hopper (6) connected to an inlet (7) of the granular material wherein in the lower part of the device is located a module (13) in the shape of a centripetal guide (14) consisting of a cylindrical housing (15) on the internal wall of which are evenly arranged, at a distance from each other, in different transverse planes, directing plates (16) turned with their ends towards the device axis such that the plates (16) in one plane are shifted in relation to the plates (16) in an adjacent plane.

Abstract: A screening machine including at least one solid matter outlet with a circular or round connection device. The solid matter outlet can include a number of shaped cross-sections including a polygonal cross-section at least on the inside surface, a hexagonal cross-section on the inside surface, or an octagonal cross-section on the inside surface. The solid matter outlet can also include geometric arrangement of plane faces for installing plane wear protection elements.

Abstract: A platform assembly for use with sorting articles includes a first panel including a plurality of markers thereon, the markers forming a track on the first panel for transit thereabout by a plurality of vehicles. Each marker includes one or more magnetic characteristics for determining an orientation of the marker. A container is positioned about at least one of the plurality of markers. The platform assembly defines a first orientation in which the platform assembly is in a retracted position and a second orientation in which the platform assembly is in an extended position with a horizontal disposition. During operation, the vehicle is directed by a control system to deposit an article carried thereon into a container associated with a marker based on the location and the orientation of the marker.

Abstract: An inspection system is configured for use with a conveyer apparatus including carrier bars. Each carrier bar conveys pellet-shaped articles along a predetermined path. The inspection system includes at least one camera unit for sensing a predetermined characteristic of the pellet-shaped articles, a removal unit, and a controller. The removal unit, downstream from the at least one camera unit, removes selected pellet-shaped article(s) from the carrier bar(s) depending on whether the characteristic is sensed by the at least one camera unit. The controller is in communication with the at least one camera unit and the removal unit. The controller provides a signal to the removal unit in accordance with the sensed characteristic. The removal unit includes a rotatable ejection drum having extended vacuum nozzles along its length, equal to the number of articles conveyed in each carrier bar. Each vacuum nozzle selectively removes article(s) from the carrier bar(s) by suction.

Abstract: A system for sorting objects is provided. For instance, the system includes a first sensor, a sorting actuator, a second sensor and a controller. The first sensor observes the objects. The sorting actuator sorts the objects. The second sensor observers the sorted objects. The sorting actuator may be actuated by the controller using sorting rules, historical system data and observations of the objects. The sorting rules may be updated by the controller using observations of the sorted objects. In another aspect, a method is provided. The objects are observed. The objects are sorted using sorting rules, historical system data and observations of the objects. The sorted objects are observed. The sorting rules are updated using the observations of the sorted objects.

Abstract: A fiber catcher is provided for removing fibers, microfibers, hair and similar items from fluids, such as may be found in effluent pipes, streams, washing machines and clothes dryers that includes a plurality of arms with a plurality of teeth for collecting fibers that are suspended in fluids.

Abstract: Disclosed herein is a method. The method includes applying a fluid to a perforated upper layer. The perforated upper layer forms an exposed surface of a multi-layer structure. The method also includes allowing the fluid to pass through the perforated upper layer and contact a contaminant within a core layer of the multi-layer structure. The core layer is disposed beneath the perforated upper layer, opposite the expose surface, and is coupled to the perforated upper layer. The method also includes applying ultrasonic energy to the exposed surface of the multi-layer structure using an ultrasonic generator to loosen the contaminant into the fluid. The method also includes removing the fluid with the loosened contaminant from the multi-layer structure.

Abstract: Optimized-coverage selective laser ablation systems and methods may be utilized to prepare (ablate) a three-dimensional surface. Methods comprise receiving a 3D virtual model of the surface to be ablated, generating a preliminary ablation path, and optimizing the preliminary ablation path to produce an adapted ablation path. Methods may comprise ablating the surface according to the adapted ablation path. The preliminary ablation path may be based on scanning a laser sheet across a two-dimensional projection of the surface. The optimization may adjust one or more waypoints of the preliminary ablation path to achieve complete coverage of the surface at acceptable levels of ablation, with little to no ablation outside the surface, and with acceptable (e.g., at least locally minimal) time to ablate the surface.

Abstract: The object of the invention is to provide a device which can, with high efficiency, polish and clean the inner surface of a pipe, dry the wet inner surface of the pipe, and perform coating, wherein the device does not require a large pump or a large motive force, and does not require a blast hose or a suction hose.

Abstract: [Problem] The purpose of the present invention is to provide: a plasma melting method for performing, on a material to be processed such as incineration ash and general waste or industrial waste, a processing in which plasma is generated at a low voltage in the upper part of a furnace and the material to be processed is efficiently subjected to a melt-processing; and a plasma melting furnace used for the plasma melting method.

Abstract: A waste disposal system with a waste receiver for receiving pharmaceutical waste material. A locking assembly is secured to a fixed surface and actuated from a locked configuration to an unlocked configuration. A lock cylinder of the locking assembly may extend forward of a front wall of a receiver body of the waste receiver to engage a locking feature of the cover in the locked configuration. A cover retention feature may prevent axial decoupling of the cover from the receiver body. An engagement feature is moved to be disengaged from the receiver body, and the receiver body is moved away from the fixed surface to disengage the locking assembly from the cover. The cover is decoupled from the cover retention feature, and coupled with the receiver body to seal the pharmaceutical waste material. The locking assembly may be removed from a lock passageway for disposal of the waste receiver.

Abstract: The present invention provides a remediation material for heavy-metal chromium contaminated soil, comprising: 10-30% by weight of stable curable adhesive, 30-50% by weight of composite adsorbent, and water in balance. The present invention further provides a method of preparing the remediation material. The remediation material in the present invention is capable of absorbing chromium from soil and contributes to recycle of the materials so as to enable efficient remediation, repeated recycle, and reduction in remediation cost.

Abstract: A device for the plastic forming of a workpiece made of metal or a metal alloy by ECAP is described. The device comprises more than two channels, wherein an inlet channel and an outlet channel are provided, wherein these channels indirectly connect to one another and are arranged approximately perpendicularly to one another. Furthermore, a method for the plastic forming of a workpiece made of metal or a metal alloy ECAP is described. The workpiece is pressed once or multiple limes through a device having more than two channels, wherein the workpiece is plastically formed by a single or multiple pressing through an inlet channel and an outlet channel which indirectly connects to the inlet channel and is arranged approximately perpendicularly thereto.

Abstract: The method for automatically adjusting the straightening of metal elements of elongated shape, in particular iron rods, provides to prearrange a drawing and/or straightening assembly (3) for straightening and feeding at least one metal element (2) of elongated shape along a feeding direction (A) on a work plane (5), at least theoretical, and a control assembly, predisposed to send to said drawing and/or straightening assembly (3) adjustment commands for the straightening parameters.

Abstract: An elongated bending beam for a swivel bending machine has an approximately C-shaped beam cross section and two bending tools, which are opposite one another relative to a preferably horizontal central plane), and which run facing one another in the longitudinal direction of the bending beam, between which a workpiece portion of a workpiece to be bent can be introduced. An angle-measuring system for contactlessly measuring a bending angle is arranged inside the C-shape beam cross section, with which a bending angle can be measured relative to a reference plane at a workpiece section bent by one of the bending tools. The angle-measuring system also includes a first angle-measuring unit arranged below the central plane and having a first measuring region positioned substantially above the central plane, and a second angle-measuring unit arranged above the central plane and having a second measuring region positioned substantially below the central plane.

Abstract: Provided is a die and a method for forming a flange at an axial end of a rigid metal tube. The die is configured to be engaged by a forming tool to deform the axial end of the rigid metal tube into the flange suitable for providing a leakproof link with an external sealing element. A flange recess in the die provides a shutoff-surface for defining a radially outermost perimeter of the flange formed in the flange recess, and a groove, disposed axially adjacent the flange recess, that is configured to provide for direction of overflow material of the rigid tube during flange formation. The groove aids in enabling an adequately sized planar sealing face of the flange while reducing or altogether preventing formation of flashing at the sealing face.

Abstract: A method of forming a part is provided by the present disclosure. The method includes forming a blank from a material, heating the blank, stamping the blank into a panel, and trimming the panel in a trim die. Trimming the panel includes heating a portion of the trim die locally adjacent a trim area of the panel at a temperature below an austenitizing (phase transformation) temperature of the material and trimming the panel with a cutting member.

Abstract: An apparatus to produce a letterbox using a strip of material includes: a bender to receive and bend the strip of material into a desired shape of a letterbox including flanges and notches, and the bender to bend at least one end of the strip of material slightly to produce a slight bent; a processor to measure a first plurality of hole positions on a first end of the strip of material and a second plurality of hole positions on flanges of the strip of material, wherein the first plurality of hole positions on the first end are measured to match a first plurality of holes on a second end of the strip of material, wherein the second plurality of hole positions on the flanges are measured to match a second plurality of holes on a base plate; and a puncher to punch the first plurality of holes on at least one of the first end and the second end of the strip of material according to the first plurality of hole positions, and the puncher to punch the second plurality of holes on the flanges according to the second

Abstract: A device for manufacturing a laminated iron core includes a die and a punch configured to punch iron core pieces out of a thin-plate workpiece, a squeeze ring in which the iron core pieces are laminated, and a back-pressure device configured to apply back pressure to the laminated iron core pieces from a side opposite to the punch in a forward-backward direction of the punch. The back-pressure device includes a support body configured to move in the forward-backward direction, a biasing member configured to bias the laminated iron core pieces toward the punch, a drive device having an output shaft, and a conversion mechanism configured to convert rotary motion of the output shaft into linear motion of the support body in the forward-backward direction.

Abstract: Provided is a workpiece holding tool changing system configured to change at least one of a relative position and a posture of a holding tool of a workpiece conveying apparatus with respect to a feed bar. The feed bar includes at least one set among: an X-axis direction linear mechanism with an X-axis linear brake; a Y-axis direction linear mechanism with a Y-axis linear brake; a Z-axis direction linear mechanism with a Z-axis linear brake; and a ball joint portion and a ball brake. Under a state in which inhibition of movement or change in posture by a corresponding brake is canceled, a robot changes the relative position or the posture of the holding tool to a desired relative position or a desired posture. After the change, the workpiece holding tool changing system is brought into a holding state in which the movement or the change in posture is inhibited.

Abstract: A method for forming a monolithic bypass includes pouring a molten metal into a monolithic bypass mold cavity of a mold, the monolithic bypass mold cavity shaped complimentary to a shape of the monolithic bypass; forming the monolithic bypass, the monolithic bypass comprising a bypass valve body disposed between an upstream conduit and a downstream conduit, an inlet opening defined by the upstream conduit, an outlet opening defined by the downstream conduit, a bypass bore extending through the upstream conduit, the bypass valve body, and the downstream conduit from the inlet opening to the outlet opening, the inlet opening and the outlet opening configured to attach to a primary valve body, the monolithic bypass defining a U-shape, the monolithic bypass and the bypass bore each being seamless; and removing the monolithic bypass from the mold.

Abstract: Provided is a decompression kneader capable of stabilizing a moisture content of resultant kneaded sand. The decompression kneader includes a kneader main body configured to knead casting sand and water, a decompression pump configured to reduce a pressure inside the kneader main body, a condenser configured to condense water vapor sucked by the decompression pump, a tank configured to store water condensed by the condenser, and a supply amount calculation apparatus configured to calculate an amount of water supplied from the tank to the kneader main body. The tank comprises a water gauge and a weighing scale, and the supply amount calculation apparatus estimates an amount of the casting sand contained in the tank based on measured values of the water gauge and the weighing scale and corrects the amount of the water supplied from the tank with reference to the amount of the casting sand.

Abstract: Feedback is captured and monitored from a radius roll, an upstream rolling unit, and a downstream rolling unit within a casting stand in order to control steel strand casting. The stability of the radius roll is determined, and in response the load share between the downstream unit and the upstream unit is adjusted. When the stability of the radius roll has not changed for a period of time, it may indicate that the steel strand is sagging, and in response the load share of the downstream unit versus the upstream unit is increased. Alternatively, when the stability of the radius roll becomes unstable, such as when the speed of the radius roll is changing, decreasing, or is less than a casting speed, the steel strand may be lifting off of the radius roll, and in response the load share of the downstream unit versus the upstream unit is decreased.

Abstract: A process for directional solidification of a cast part comprises energizing a primary inductive coil coupled to a chamber having a mold containing a material; generating an electromagnetic field with the primary inductive coil within the chamber, wherein said electromagnetic field is partially attenuated by a susceptor coupled to said chamber between said primary inductive coil and said mold; determining a magnetic flux profile of the electromagnetic field after it passes through the susceptor; sensing a component of the magnetic flux in the interior of the susceptor proximate the mold; positioning a mobile secondary compensation coil within the chamber; generating a control field from a secondary compensation coil, wherein said control field controls said magnetic flux; and casting the material within the mold.

Abstract: A directional solidification apparatus includes a mold heating chamber, a solidification chamber, and a gas source. The solidification chamber is adjacent the mold heating chamber for solidifying molten metal formed from an air melt allow system as a cast body as the metal is withdrawn from the mold heating chamber. The gas sources is in fluid communication with the mold heating chamber for providing a pressurized atmosphere for directionally solidifying metal as cast body having single crystal or multi-crystal columnar micro structure.

Abstract: An additive manufacturing system having at least one powder based additive manufacturing machine having a build chamber, at least one stationary powder storage container, and a powder feeding device for feeding powder from the at least one powder storage container into the build chamber. The build chamber, stationary powder storage container and powder feeding device form a part of a powder handling system, which is hermetically sealable in a powder-tight manner and to which a movable powder storage container is connected. The powder handling system selectively feeds powder from the movable powder storage container to the stationary powder storage container or removes powder from the build chamber in the hermetically sealed state. A method for feeding powder into and removing powder from a build chamber of at least one additive manufacturing machine, where the feeding and the removal of the powder takes place within a hermetically sealable powder handling system.

Abstract: A build material management system for a 3D printing system is described in which one or more input ports of a housing of the build material management system is to connect to one or more respective transportable containers. The transportable containers contain a volume of build material comprising 3D printed parts and a portion of non-fused build material. A pump also comprised within the housing is operable to provide a pressure differential across a conduit network of the build material management system. The pump is connected to the input port(s) by the conduit network. An air-flow caused through at least one of the one or more input ports is controlled by processing circuitry also comprised within the housing. The air-flow causes cooling within the respective transportable container. In one alternative, the housing comprises at least two input ports.

Abstract: A method of fabricating an object by additive manufacturing is provided. The method includes irradiating a portion of powder in a powder bed, the irradiation creating an ion channel extending to the powder. The method also includes applying electrical energy to the ion channel, wherein the electrical energy is transmitted through the ion channel to the powder in the powder bed, and energy from the irradiation and the electrical energy each contribute to melting or sintering the portion of the powder in the powder bed.

Abstract: A structured three-phase composite which include a metal phase, a ceramic phase, and a gas phase that are arranged to create a composite having low thermal conductivity, having controlled stiffness, and a CTE to reduce thermal stresses in the composite when exposed to cyclic thermal loads. The structured three-phase composite is useful for use in structures such as, but not limited to, heat shields, cryotanks, high speed engine ducts, exhaust-impinged structures, and high speed and reentry aeroshells.

Abstract: This invention discloses an automobile model processing device, comprising a support placed on the ground, a base A extending to one side fixedly arranged at upper side of one end of the support, a transmission cavity arranged in the base A, and a rotating cavity with the opening facing downwards fixedly arranged in the lower end face of the base A. One side of one end wall of said transmission cavity is fixedly provided with a motor A. The motor A starts to work to drive a driving pulley to rotate, and then a driven pulley in power connection with the driving pulley through a belt is rotated so that a worm is rotated, and as the worm is engaged with a worm wheel, the rotation of the worm wheel drives the spindle to rotate.

Abstract: A method of providing an abrasive structure for additive manufacturing includes determining of a design of a portion of a powdery base material and selectively solidifying the portion in a bed of the base material according to the determined design such that an abrasive structure is generated, wherein the abrasive structure is still movable in the bed of the base material. Further, an additively manufactured component has an internal surface with a surface roughness of less than 100 ?m, preferably less than 60 ?m.

Abstract: A method for the additive manufacturing of a component having the following steps: additively building up multiple sub-sections for the component using a powder bed-based method, arranging the sub-sections to form a composite and additively completing the component, wherein material is deposited, by a deposition welding method, along a peripheral direction around the composite of the sub-sections in such a way that the sub-sections are integrally bonded to each other.

Abstract: A method of forming a plurality of components by additive layer manufacturing includes forming at least one annular support structure joining the plurality of components with the plurality of components being spaced around the circumference of at least one annular support structure. Concentric inner and outer annular supports may be provided.

Abstract: A method for creating nanoparticles directly from bulk metal by applying ultrasound to the surface in the presence of a two-part surfactant system. Implosive collapse of cavitation bubbles near the bulk metal surface generates powerful microjets, leading to material ejection. This liberated material is captured and stabilized by a surfactant bilayer in the form of nanoparticles. Nanoparticles can be produced regardless of the bulk metal form factor. The method is generally applicable of metals and alloys. The method can be applied to an environmentally important problem, the reclamation of gold from an electronic waste stream.

Abstract: A concentric ring gas atomization nozzle with isolated gas supply manifolds is provided for manipulating the close-coupled atomization gas structure to improve the yield of atomized powders.

Abstract: A direct-drive two-axis machining head includes a head-drive unit and a shaft-drive unit. The head-drive unit includes a head-installing interface, a first motor, an axis-A supporter, and a first braking module mounted at an outermost rim of either a first motor seat or a stator of the first motor for braking the axis-A supporter. The shaft-drive unit further includes an axis-A-installing interface, a second motor, a shaft connector, and a second braking module mounted at an outermost rim of a second motor seat of the second motor for braking the shaft connector. The head-drive unit further includes a towline fixation sheet metal and a towline pipeline shield. The towline fixation sheet metal connects the rotor seat. One end of the towline pipeline shield connects the towline fixation sheet metal, while another end thereof connects the head-installing interface so as to shield a plurality of pipelines.

Abstract: Systems and methods for lathe and tooling calibration are disclosed. A sensor is utilized to measure dimensions and operational parameters of one or more components of a lathe, such as a turret, tool stations, and/or a spindle. Tool measurements are received and analyzed along with the measurements from the sensor. The dimensions and operational parameters may be utilized to calibrate movement parameters of one or more components of the lathe. Once calibrated, the lathe may be utilized to tool one or more objects.

Abstract: A machine tool provided with a tool spindle and a work table for supporting a workpiece for plastic forming on a workpiece with a tool attached to the tool spindle. The partially curved tool is has a moving mechanism to move the tool spindle relative to the workpiece, a spindle rotating motor to turn the tool spindle relative to the workpiece, a movement control unit to control the moving mechanism to move the tool along the workpiece while pressing a curved portion on the surface to be machined, and a turn control unit to control the spindle rotating motor to orient a normal line of the curved portion toward the surface of the workpiece at a reference position taken as a reference.

Abstract: Example alignment devices for aligning a drill bit with respect to a pilot hole and methods of use are described herein. An example alignment device includes a base having a first surface and a second surface, where the first surface is opposite the second surface. The alignment device also includes an alignment pin extending from the first surface of the base. The alignment device also includes a support extending from the second surface of the base and positioned such that a longitudinal axis of the alignment pin is separated from the support by an offset distance. An inner surface of the support has a radius of curvature along a length of the support. The radius of curvature is substantially equal to the offset distance, and a center of curvature of the support is coaxial with the longitudinal axis of the alignment pin.

Abstract: An construction tool apparatus for facilitating the task of joining framing together includes a includes a template having a peripheral wall arranged about a longitudinal plane and with an internal chamber for reception of a section of a construction framing member of predetermined shape, a first guide defining a first guide throughbore extending along a first axis which is arranged at a first oblique angle with respect to the longitudinal plane and a second guide defining a second guide throughbore extending along a second axis which is arranged at a second oblique angle with respect to the longitudinal plane. The first and second throughbores are adapted for reception of a drill to form first and second pilot holes in the section of the framing member. The first and second oblique angles each range from about 50° to 58° degrees relative to the longitudinal plane. In one embodiment, the first and second oblique angles are substantially equivalent.

Abstract: A rotary cutting tool includes a cutting head and a tool shank, each having an axial abutment surface and a plurality of drive surfaces. One of the two includes a locating pin, while the other includes a pin receptacle and at least one clamping through bore that opens out to the pin receptacle. The locating pin is received into the pin receptacle. The cutting head and tool shank are releasably clamped together by at least one clamping member that passes through the at least one clamping through bore and acts on the locating pin so that the drive surfaces and the axial abutment surfaces on each part abut each other.

Abstract: The present application provides a method for machining a flange face of an aluminum alloy hub, comprising the steps of: (I) pre-machining a hub flange; (II) machining two times with a 120° R3 boring tool with a total machining amount of 2 mm, and then reserving a machining allowance of 2.4 mm on the flange face blank after processing; (III) machining two times with the 120° R3 boring tool with a total machining amount of 2 mm, and then reserving a machining allowance of 0.4 mm on the flange face blank after processing; (IV) machining with a 95° R0.8 hook tool, and then reserving a machining allowance of 0.05 mm on the flange face after processing; and (V) machining with the 95° R0.8 hook tool, then machining the remaining flange allowance, thus completing the machining.

Abstract: The present application provides a device for correcting an aluminum alloy wheel, which is mainly composed of a frame, an expansion cylinder, a correction motor, a feed motor and the like. A hub positioning unit initially positions a hub to prepare for positioning a center hole expansion sleeve; a hub feed unit performs precise center hole positioning on the hub and completes upward feed movement of the hub; and a tool correction unit completes hub correction through a rotating standard correction cutter head. The device may meet the process requirements of wheels in flow production, improve the runout and balance qualified rate of products, and solve the problems of decentraction of the outer diameter in the first procedure and the second procedure and deformation of rim bulges.

Abstract: When a closed type impeller is manufactured from one block, a rough cutting process of cutting a flow path region of a block using a rough cutting tool, and a residue-cutting process of cutting a cutting residue in the cutting process using a residue-cutting tool are executed. The residue-cutting tool has a tool main body having a blade formed on an outer periphery thereof, and a handle having the tool main body fixed to a distal end thereof. A maximum outer diameter of the tool main body is larger than a minimum outer diameter of the handle. Further, the tool main body has a rear blade directed in a direction including a tool rear side component.

Abstract: A main body (3) of a replaceable-tip cutting tool (1) includes a cylinder-shaped cylindrical portion (32) made from a first metal material and extending in an axial direction, and with a female thread portion (33) provided on an inner circumference (40) of the cylindrical portion (32) and capable of being screwed together with a male threaded portion (24) of a cutting head (2). The female thread portion (33) includes a first female thread portion (34) and a second female thread portion (35). The first female thread portion (34) is a portion between a top of a female thread crest (37) of the female thread portion (33) and a portion of the female thread portion (35) that is on the female thread crest (37) side of a female thread root (36) and on the female thread root side of a portion corresponding to an effective diameter of the female thread portion (33). The first female thread portion (34) is made from a second metal material that is different from the first metal material.

Abstract: A milling tool includes: a body having an outer circumferential surface formed around a central axis; a cutting insert having a rake surface, a flank surface, and a cutting edge formed by a ridgeline of the rake surface and the flank surface; and a screw attaching the cutting insert to the body. The outer circumferential surface has an insert attachment. The insert attachment portion is defined by a first seat surface continuing to the outer circumferential surface and a second seat surface continuing to the first seat surface and having a flat portion provided with a screw hole in which the screw is inserted. The cutting edge is formed of a sintered material containing at least one of cubic boron nitride and polycrystalline diamond. In a cross section perpendicular to the central axis, a first angle formed by a first direction and a second direction is an acute angle.

Abstract: A pipe facing machine (PFM) system includes a PFM and a hydraulic power source having a single hydraulic pump arranged to provide a hydraulic oil flow to the PFM via single hydraulic circuit. The PFM includes a body defining an axis and a cutting head arranged to rotate and translate relative to the axis. Drive systems are arranged to drive clamping of the PFM on a workpiece, rotation of the cutting head about the axis, and translation of the cutting head along the axis. A hydraulic controller includes a plurality of control elements and hydraulically connects the drive systems. The hydraulic controller is arranged to direct and regulate hydraulic oil flow between the drive systems and the hydraulic controller based on signals from the control elements and a computer control system.