Abstract: This invention relates to an apparatus (10) for cleaning a helical member (52) such as a tabulator blade. The apparatus comprises opposed scrubbing brushes (32, 34) for removing deposits from the helical faces of the helical member (52) as it is passed between opposed bristles of the scrubbing brushes (32, 34). The opposed scrubbing brushes (32, 34) are mounted with the apparatus via a rotatable bearing (12) such that as the helical faces are reciprocated between the brushes, the continuously curving profile of the helical member (52) causes the brushes to rotate. Accordingly, the opposed scrubbing brushes (32, 34) maintain good contact with the helical surfaces thereby simplifying and improving the removal of deposits.

Abstract: A method and apparatus for removing particles, such as dust, generated by a moving web is disclosed. A dust control platform is positioned adjacent to a traversing web to catch the particles generated by the web. The particles pass through one or more apertures defined by an accumulation surface. The particles pass through the accumulation surface and into an accumulation chamber. The accumulation chamber may include a sweeping device or other device that may be used to transfer the accumulated particles to a collection chamber. The collection chamber is connected to a vacuum source. Vacuum is applied to the collection chamber by the vacuum source such that the particles are removed from the collection chamber.

Abstract: A hot water pressure washer employs a high-pressure pump for generating a stream of high pressure fluid and a hydrodynamic heater operable for heating the fluid stream. The hydrodynamic heater includes an inlet port fluidly connectable to a fluid source and an outlet port fluidly connected to an inlet port of the high-pressure washer. An outlet port of the high-pressure washer is connectable to a handheld wand operable for discharging the fluid stream to atmosphere. A prime-mover provides rotational torque for driving the hydrodynamic heater and the high-pressure pump. An unloader valve is used to control distribution of the fluid stream discharged from the high-pressure pump. An exhaust gas recovery heat exchanger operates to transfer heat from the prime-mover exhaust gas to the fluid stream. A pre-heat tank is used to temporarily store a quantity of heated fluid for future use.

Abstract: A tool includes a head that extends form the flexible section, an emitter within the head; and a nozzle to eject a cooling fluid therefrom. A method of additively manufacturing a component including delivering series of thermal shocks to a conglomerated powder within an internal passage of an additively manufactured component to facilitate removal of the conglomerated powder.

Abstract: A mechanism for securing multiple apparatus to a drain cleaning machine is described. The mechanism includes a bracket arranged on a frame of the drain cleaning machine. The bracket allows a drum and a feed mechanism to be removably secured to the frame. The bracket includes a base and pivotable latch. A drum bearing from the drum can be secured between the base and the latch when the latch is in a closed position. Mounting pins from the feed mechanism can be inserted into two bores in the bracket, and secured therein by plunger pins. One plunger pin is manually operated, to selectively lock the latch in the closed position, and to selectively secure one of the mounting pins in one of the bores. Another plunger pin is operated by pivoting of the latch, and functions to selectively secure the other mounting pin in the other bore.

Abstract: In press molding, a colored stainless steel plate and a colored stainless steel coil which are excellent in galling resistance and moldability and have high strength in molded articles, and a method of manufacturing the same. A color coating layer 11 is formed on the surface of a stainless steel plate 10 by a chemical coloring method or an electrolytic coloring method. Thereafter, a colored stainless steel plate 1 having the color coating layer is cold-rolled, the thickness of the color coating layer 11 is adjusted to 0.05 ?m or more to 1.0 ?m or less, and an entire plate thickness is adjusted to 0.5 mm or less. By the cold rolling a Vickers hardness Hv is 250 or more to 550 or less to form a deformed band 5. As surface roughness, an arithmetic average roughness Ra is adjusted to 0.05 ?m or more to 5.0 ?m or less.

Abstract: A cold pilger rolling mill including a front mandrel thrust block that has a distance of at least 30 m from a feed chuck, measured with the feed clamping carriage at the rear reversal point thereof. The distance is measured between the rear (in the feed direction of the hollow) end of the chuck of the front mandrel thrust block and the front (in the feed direction of the hollow) end of the feed chuck of the feed clamping carriage at the rear reversal point thereof.

Abstract: A metal band (1) is first rolled in a front (upstream) and then in a rear (downstream) roll stand (2a, 2b) of a multi-stand rolling train. A looper (3) applied on the metal band (1) between the roll stands (2a, 2b) detects a band tension (Z) present in the metal band (1). The band tension (Z) is supplied to a first and a second tension controller (8, 9), which determine an application additional target value (?s*, ?F*) and a speed additional target value (?v*). The second tension controller (9) only determines a value less than or greater than 0, as the speed additional target value (?v*), if the band tension (Z) is above or below an upper or lower band tension limit (Z1, Z2). Otherwise, same returns the speed additional target value (?v*) to the value 0. The first tension controller (8) is also supplied with a target tension (Z*) that falls between the band tension limits (Z1, Z2).

Abstract: A roll-drawing machine adapted for an elongated material is provided. The roll-drawing machine includes at least one rolling module and a power source. The rolling module includes a mold frame, a pair of seats, and a pair of rollers. The seats are movably disposed in the mold frame. The rollers are freely pivoted in the seats respectively and move together with the seats. An end of the elongated material is connected to the power source to be drawn thereby, such that the elongated material passes between the rollers of the rolling module to rotate the rollers and be pressed by the rollers.

Abstract: A method produces an inner spiral grooved tube using a first drawing die, a second drawing die, and a revolving flyer. The method includes two twisting-drawing steps. The first twisting-drawing step forms an intermediate twisted tube by reducing the diameter of a linear grooved tube, which has plural straight grooves formed along the longitudinal direction on its inner surface, by passing the linear grooved tube through the first drawing die and then by revolving the liner grooved tube wrapped around the revolving flyer with the revolving flyer, in conjunction with imparting twist to the linear grooved tube. The second twisting-drawing step forms the inner spiral grooved tube by reducing the diameter of the intermediate twisted tube by passing the intermediate twisted tube, which revolves with the revolving flyer, through the second drawing die in conjunction with imparting twist to the intermediate twisted tube.

Abstract: Spiral forming methods can be used to join edges of a rolled material along a spiral joint to form conical and/or cylindrical structures. Alignment of the edges of the rolled material can be controlled in a wrapping direction as the material is being joined along the spiral joint to form the structure. By controlling alignment of the edges of the material as the edges of the material are being joined, small corrections can be made over the course of forming the structure facilitating control over geometric tolerances of the resulting spiral formed structure.

Abstract: The invention relates to method for straightening a workpiece (1) with a longitudinal axis, wherein the workpiece (1) is bent out of a starting position transversely to the longitudinal axis and bent back again. In order to provide advantageous straightening conditions, it is proposed that the workpiece (1), which is held on the end side in mounting heads (6), is bent out by means of the mounting heads (6) in directions changing at least in predetermined angular ranges, and bent back again.

Abstract: A hot stamped steel according to one embodiment of the present invention includes a base material and a plated layer, wherein the plated layer includes an interface layer, an intermediate layer, and an oxide layer in order from a base material side to a surface side; in which compositions and thicknesses of each layer are controlled.

Abstract: A die-pressing die used for die-pressing a workpiece includes a die body on whose upper face a die hole is formed and on whose bottom face a discharge hole for discharging dusts of the workpiece is formed, and a roller unit disposed within the die hole and having a roller protruding upward from the upper face of the die body. A collection passage for collecting the dusts is formed at a peripheral edge portion of the die hole. One end of the collection passage is opened at the upper face of the die body, and another end thereof is opened to the discharge hole. The collection passage is configured to suction air due to a negative pressure state in the discharge hole.

Abstract: A spinning method includes supporting a supported portion of a cylindrical work by a work supporting portion; pressing a first roller of a spinning head against a processed portion of the work while revolving the first roller; and performing a forming process that points a tube axis of the processed portion of the work in a given direction by pressing the first roller and a second roller in which a plane of revolution thereof is provided in a different position, in a rotational axis direction of a spindle of the spinning head, than a plane of revolution of the first roller, while revolving the first roller and the second roller, and moving the work supporting portion relative to the spinning head or moving the spinning head relative to the work supporting portion, while the first roller and the second roller work in cooperation with each other to retain the work.

Abstract: To produce an L-shaped pressed component without causing occurrence of wrinkles or cracks through first to third steps: the first step where a portion of a blank 8, having tensile strength of 1180 MPa or more, to be formed into a portion disposed outward of a curved portion is held in a state of being clamped by a blank holder 73 and a die 71, and a portion of the blank 8 to be formed into a top plate 11 is held in a state of being clamped by a pad 74 and a punch 72; the second step where a vertical wall 14, a concave ridge 17 and a flange 15 on the inner side of a curved portion 1a are formed by bend forming with a bending die 75, thus forming one, two or more material inflow promoting portion, which increases an inflow amount of the blank 8 flowing into a portion to be formed into the flange 15 on the inner side of the curved portion 1a, in the vicinity of a portion of the blank 8 to be formed into the flange 15 on the inner side of the curved portion 1a of the pressed component 1; and the third step where

Abstract: A forging press apparatus includes: a die with a die hole into which a material is to be contained and a relief hole smaller in diameter than the die hole; a molding punch configured to press an inner portion inside a peripheral portion of the material contained in the die hole; and a pressing member provided around an outer periphery of the molding punch to press the peripheral portion. A method includes: loading the material into the die; and forging the cup structure shaped by pressing the inner portion inside the peripheral portion of the material with the molding punch to cause the peripheral portion of the material to be brought into contact with the pressing member, and a part of the material to be pushed out into the relief hole by the molding punch to form a projection while a space is secured below the projection.

Abstract: An apparatus configured to produce a letterbox using a strip of material including: a processor configured 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; a puncher configured 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, the puncher configured to punch the second plurality of holes on the flanges according to the second plurality of hole positions; a support structure; an auto rivet machine coupled to the support structure, the support structure configured to support and hold the auto rivet machine such that the auto rivet machine can be moved above the first and second plurality of holes on the letterbox to be riveted.

Abstract: The invention relates to a method of bonding panels together to form a panel assembly, comprising the following steps: providing a first panel (10) with a body portion (11) and an end portion (12) and a second panel (20) with a body portion (21) and an end portion (22); providing a first structural adhesive film (30) and a second structural adhesive film (31); applying the first structural adhesive film (30) on an upper side of the end portion (22) of the second panel (20) and applying the second structural adhesive film (31) on a lower side of the end portion (22) of the second panel (20); bringing the two panels (10 and 20) together and folding the end portion (12) of the first panel (10) around the end portion (22) of the second panel (10) such that the end portion (12) extends essentially parallel to the body portion (11) of the first panel (10) thereby enclosing the end portion (22) of the second panel and such that the first structural adhesive film (30) is positioned between the upper side of the end p

Abstract: A crossbar support assembly that supports a crossbar includes a support post, a bracket, a riser, and a lock assembly. The bracket is secured to a distal end of the support post. The lock assembly is configured to releasably secure the riser to the bracket. The lock assembly includes a locked configuration and an unlocked configuration. In the locked configuration the riser is inhibited from moving with respect to the bracket. In the unlocked configuration the riser is permitted to move with respect to the bracket. The crossbar support assembly may include an adjustment assembly that adjusts a position of the riser with respect to the bracket when the lock assembly is in the unlocked configuration.

Abstract: A metal extrusion and nodes based structure is provided. The structure comprises one or more arc members connected by one or more node members, wherein the arc comprises (i) a wing feature which is configured to mate with one or more non-structural components, (ii) an internal passage feature which is configured to be inserted into a connecting feature of the corresponding node member, and (iii) one or more keying features formed from a mating interface with the corresponding node member.

Abstract: Provided is a seaming device capable of easily adjusting clearances between a chuck unit (seaming chuck device) and first and second seaming rolls in a short period of time, easily changing a seaming cycle, and producing a seamed sample can at a normal operation speed. In the seaming device, a seaming unit (130) carries out seaming operation by seaming rolls (131), a driving source for the swinging shaft (132) of the seaming rolls (131) is configured to be capable of controlling the seaming operation independently, and the driving output shaft (137) of a driving source (158) and the swinging shaft (132) of the seaming rolls are coupled through a ball spline (140).

Abstract: A method and apparatus for forming a can end in a forming press including positioning a sheet of material between an upper punch assembly and a fixed base assembly; cutting a can end blank from the sheet of material; clamping a peripheral portion of the can end blank; moving the upper punch assembly to clamp a central portion of the can end blank between an upper panel punch and a lower panel punch to define a central panel section positioned below an annular inner bead die located adjacent to the lower panel punch on the fixed base assembly; and extending the upper punch assembly to form an initial annular countersink radius next to the peripheral portion of the can end blank, with a substantially undeformed intermediate area extending between the initial annular countersink radius and the annular inner bead die.

Abstract: There is provided an alignment apparatus capable of aligning hairpin-shaped heat-exchanger tubes at a regular pitch. An insertion position side is configured as a regular pitch alignment unit where arrangement plates are provided at an interval that is double the pitch of through-holes in a fin stack. An upstream side is configured as a wide pitch alignment unit where arrangement plates are provided at an interval equal to an integer multiple of two or more times the regular pitch alignment unit. The regular pitch alignment unit is provided with stopper apparatuses that stop the hairpin-shaped heat-exchanger tubes at different positions on the upstream side and downstream side in an inclined direction for the respective arrangement plates.

Abstract: [Object] There are provided automobile parts and a method for manufacturing the automobile parts. The automobile parts have an excellent corrosion resistance after coated with a electrodeposition paint with smaller thickness, improve formability and productivity in hot pressing, and also improve chemical conversion treatability after hot press-forming.

Abstract: A tool for installing a blind fastener including a core bolt and a core nut is provided. The tool includes a driving member, a collet driven by the driving member for engaging the core bolt, and an external sleeve for holding the core nut and preventing the core nut from rotating during installation of the blind fastener. The external sleeve is movable between a first position in which the external sleeve is driven by the collet to rotate with the collet and a second position in which the external sleeve is stationary despite rotating action of the collet.

Abstract: Disclosed herein is a method of manufacturing a cutting member that has a first portion for supporting, a second portion for forming a cutting edge, and a third portion connecting the first and second portion; the method includes: providing a first metal material used for forming the first portion; providing a second metal material used for forming the second portion; welding the first and second metal material with high energy density beam to form the third portion at the welding site; performing heat treatment on a cutting member blank obtained after welding. Also disclosed is a cutting member, the first portion of a first metal material; the second portion of a second metal material; after welding, the metallographic structure of the third portion and its nearby metallographic structure are substantially free of holes. The body of the manufactured cutting member has good toughness, the cutting edge has high hardness, and the body and cutting edge are not easily broken and have long service life.

Abstract: A method for producing a casting using a gas-permeable casting mold comprising a cavity composed of a production cavity and a flow path, the flow path comprising a sprue through which a gravity-poured melt flows downward, and a runner connecting the production cavity to the sprue, comprising gravity-pouring a metal melt in a volume smaller than that of the entire cavity and larger than that of the production cavity into the gas-permeable casting mold; supplying a gas through the sprue to push the metal melt in the flow path, thereby pushing the metal melt upward in the production cavity, so that the production cavity is filled with the metal melt; in a hypothetical equilibrium state in which a hypothetical liquid fills the production cavity by the supplied gas, setting the volume of the metal melt to be poured to be equal to the volume of the hypothetical liquid, such that the surface height hs of the hypothetical liquid remaining in the flow path after filling the production cavity, the height h1 of the lowe

Abstract: The present application provides a water-cooled mold for casting an aluminum alloy wheel, which is composed of a top mold, a side mold and a bottom mold, wherein a side mold insert is included between the side mold and the bottom mold, the inner surface of the side mold insert faces a cavity, and the upper surface and the lower surface are matched with the side mold frame respectively; the side mold insert is made of copper; the matching surface between the side mold insert and the side mold has a contact matching surface having a length of 10-15 mm at the edges of the inner ring and the outer ring respectively. And the side mold insert and the side mold form a gap which is 0.05-0.20 mm between the contact matching surfaces.

Abstract: The invention provides a method of assembling together a first core (12) and a second core (14) in order to make a non-permanent model configured for use in lost wax molding to form a part having a first cavity and a second cavity corresponding respectively to the first core and to the second core. The invention is characterized by the fact that the first and second cores (12, 14) are assembled together with a first spacer (20), the first spacer (20) being arranged between the first and second cores.

Abstract: A flaskless molding machine includes: an upper flask; a lower flask; an upper sand tank; an upper plate attached to a lower end of the upper sand tank; a first lower sand tank; a second lower sand tank; a lower plate attached to an upper end of the second lower sand tank; a drive unit performing squeezing using the upper plate and the lower plate; an adjustment drive unit moving the first lower sand tank; a first detector detecting a height position of the first lower sand tank; a second detector detecting a height position of the second lower sand tank; and a control unit operating the drive unit and the adjustment drive unit so that the height positions of the first communication port and the second communication port coincide with each other, based on detection results of the first detector and the second detector.

Abstract: An industrial equipment includes a cavity configured to store a coolant, and a cooling acceleration device which is accommodated in the cavity and is put in the coolant stored in the cavity. The cooling acceleration device includes a passage formation portion in which a tubular passage extending in a horizontal direction is formed, and an introduction portion configured to introduce molten material dropped into the cavity to the passage formation portion.

Abstract: A method for producing a coated magnetic powder in which particle surfaces of a soft magnetic powder are coated with a silicone resin includes a preparation step of preparing a silicone emulsion by mixing a silicone resin with water containing a surfactant and dispersing the silicone resin in the water, an application step of applying the silicone emulsion onto particle surfaces of a soft magnetic powder, and a drying step of drying the soft magnetic powder after the silicone emulsion is applied.

Abstract: An example method of modifying a powder according to the present disclosure includes contacting a powder comprising particles with a nitrogen-containing gas and improved flowability of the powder. A method of providing a powder and a reactor are also disclosed.

Abstract: A materials processing furnace provides for debinding and sintering objects and treating effluent generated by the sintering. A heating chamber maintains a controlled atmosphere for sintering the object. A vacuum pump evacuates an effluent from the heating chamber, and an injector adds a reagent to the evacuated effluent to form a mixed gas. A catalytic converter receives the mixed gas and catalyzes one or more hazardous or offensive compounds of the effluent, thereby converting the effluent to a safer and less offensive exhaust. As a result, the furnace is suitable for operation in an office environment.

Abstract: Embodiments of systems and methods of additive manufacturing are disclosed. In one embodiment, a metal deposition device (MDD) is configured to deposit a metal material during an additive manufacturing process. A controller is operatively coupled to the MDD and is configured to command the MDD to deposit the metal material on a base to form a contour of a part. The controller is configured to command the MDD to deposit the metal material on the base to form an infill pattern within a region outlined by the contour. The infill pattern is a wave shape having a wavelength. The controller is configured to command the metal deposition device to fuse the infill pattern to the metal contour at crossover points, where the infill pattern meets the contour, by applying energy at the crossover points and reducing a deposition rate of the metal material at the crossover points to prevent distorting the contour.

Abstract: The present application provides a 3D printing method. The present application can provide as a method for efficiently performing 3D printing, for example, a 3D printing method capable of more rapidly and efficiently producing a three-dimensional shape precisely realized up to a fine portion.

Abstract: Apparatus and methods for making metal-connected particle articles. A metal containing fluid is selectively applied to a layer of particles. The metal in the fluid is used to form metal connections between particles. The metal connections are formed at temperatures below the sintering temperature of the particles in the layer of particles.

Abstract: Apparatus and methods for making metal-connected particle articles. A metal containing fluid is selectively applied to a layer of particles. The metal in the fluid is used to form metal connections between particles. The metal connections are formed at temperatures below the sintering temperature of the particles in the layer of particles.

Abstract: Apparatus and methods for making metal-connected particle articles. A metal containing fluid is selectively applied to a layer of particles. The metal in the fluid is used to form metal connections between particles, The metal connections are formed at temperatures below the sintering temperature of the particles in the layer of particles.

Abstract: Provided is a three-dimensional deposition device, including: a powder supply unit which supplies a powder material; a light irradiation unit which irradiates the powder material with a light beam so that the powder material irradiated with the light beam is sintered or melted and solidified to form a formed layer; a three-dimensional deposition chamber which is sealed from an outside and accommodates the powder supply unit, the light irradiation unit, and a base unit; a gas discharge unit which discharges a gas inside the three-dimensional deposition chamber; and a gas introduction unit which introduces a predetermined gas into the three-dimensional deposition chamber. When the gas discharge unit discharges a gas inside the three-dimensional deposition chamber and the gas introduction unit introduces a predetermined gas thereinto, a predetermined gas atmosphere is formed inside the three-dimensional deposition chamber.

Abstract: Polycrystalline diamond constructions are formed from a mixture of diamond grains including a first volume of fine-sized diamond grains, and a second volume of coarse-sized diamond grains. The fine-sized diamond grains are partially graphitized, and the coarse-sized diamond grains are not graphitized. The mixture of diamond grains is subjected to high pressure/high temperature sintering process conditions in the presence of a sintering aid thereby forming polycrystalline diamond. Contact areas between coarse-sized diamond grains in the polycrystalline diamond construction are substantially free of graphite.

Abstract: Apparatus (1) for additively manufacturing of three-dimensional objects (2) by means of successive layerwise selective irradiation and consolidation of layers of build material (3) which can be consolidated by means of an energy beam (4), the apparatus (1) comprising: at least one chamber (8) in which build material depositions (3?) are built during operation of the apparatus (1), at least one carrying device (12), the carrying device (12) comprising at least one carrying element (12b) being moveably supported in at least one degree of freedom of motion within the at least one chamber (8), a cleaning device (14) assignable or assigned to the at least one chamber (8), the cleaning device (14) being adapted to remove respective undesired build material depositions (3?) from the at least one chamber (8), the cleaning device (14) comprising at least one cleaning element (14a) being connectable with the carrying element (12b).

Abstract: An additive manufacturing system includes an electrode head comprising an array of electrodes for depositing material to form a three-dimensional attachment structure connecting first and second prefabricated metallic parts. The array includes a first plurality of electrodes formed from a first metallic material having a first ductility and a first hardness, and a second plurality of electrodes formed from a second metallic material having a second ductility and a second hardness, wherein the first ductility is greater than the second ductility and the second hardness is greater than the first hardness. A power source provides power for heating each electrode. A drive roll system drives each electrode.

Abstract: An additive manufacturing apparatus includes a platform, a dispenser configured to deliver a plurality of successive layers of feed material onto the platform, a light source assembly to generate a first light beam and a second light beam, a beam combiner configured to combine the first light beam and the second light beam into a common light beam, and a mirror scanner configured to direct the common light beam towards the platform to deliver energy along a scan path on an outermost layer of feed material.

Abstract: Examples for refining the microstructure of metallic materials used for additive manufacturing are described herein. An example can involve generating a first layer of an integral object by heating a metallic material to a molten state such that the metallic material includes a solid-liquid interface. The example can further involve applying an electromagnetic field or vibrations to the metallic material of the first layer. In some instances, the electromagnetic fields or vibrations perturb the first layer of metallic material causing nucleation sites to form at the solid-liquid interface of the metallic material in the molten state. The example also includes generating a second layer coupled to the first layer of the integral object. Generating the second layer increases a number of nucleation sites at the solid-liquid interface of the metallic material in the molten state. Each nucleation site can grows a crystal at a spatially-random orientation.

Abstract: Methods and compositions for making a near net shape article are provided. The method includes depositing a first material using an additive manufacturing technique to form a near net shape article, such as tooling. The first material has a low carbon content yet possesses sufficient hardness so that the article may be used in various tooling applications.

Abstract: Multi-material tooling and methods of making multi-material tooling are provided. The multi-material tooling includes a core formed of a first material having a hardness (Rockwell C scale) of up to 30 HRC, and a shell layer adjacent to the core. The shell layer is formed of a second material having a hardness of 33 HRC to 70 HRC. The method of making multi-material includes depositing a first layer of a first material using an additive manufacturing technique to form a core. The first material that forms the core has a hardness of up to 30 HRC. The method also includes depositing a second layer of a second material to form a shell layer adjacent to the core. The second material that forms the shell layer has a hardness of 33 HRC to 70 HRC.

Abstract: The invention relates to a method for coding metal powder. Said method comprises the following steps: providing a melt, forming a melt stream, spraying the melt stream by means of a spraying fluid, and forming metal powder particles from the melt stream. The method is characterized in that, during the spraying of the melt and/or the spraying fluid, a coding component or a coding gas is added in such a way that the use of the coding component in the metal powder can be detected, wherein the gaseous coding component comprises one or more isotopes of at least one gas and the fraction of the at least one isotope is changed in comparison with the naturally occurring fraction of said isotope in the gas and/or wherein the gaseous coding component contains gaseous alloying elements.

Abstract: A pipe lathe includes a shaft; a cutting head supported on the shaft for movement with the shaft; a mandrel positionable on an outboard end of the shaft for supporting the shaft along a machining axis; and a first external pipe clamp and a second external pipe clamp, the first and the second external pipe clamps supported for external pipe engagement substantially concentrically about the machining axis. Multiple spaced apart engagement sites provided by the mandrel within the pipe and the external pipe clamps on an outer surface of the pipe support the pipe in a linear and centered position for machining by the cutting head, even when the pipe is non-linear, flexible and possibly with a cross section that is on-circular.