Abstract: A solidified body forming step includes: a first step of landing a processing surface of a cooling member on a liquid film to solidify the liquid to be solidified located in an area sandwiched between an upper surface and the processing surface; and a second step of releasing the processing surface from the solidified area solidified in the first step. The processing surface has a lower temperature than a freezing point of the liquid to be solidified. Adhesion between the solidified area and the processing surface is smaller than that between the solidified area and the upper surface.

Abstract: A power-operated air propelling work apparatus includes: an air flow pipe including an air inlet opening, an air outlet opening and a pipe wall formed between the air inlet opening and the air outlet opening to define an air flow passageway inside the pipe wall; an electric air propelling fan disposed within the air flow passageway for sucking in air from the air inlet opening and blowing out air from the air outlet opening; an apparatus housing surrounding and supporting the air flow pipe and forming a housing space between the apparatus housing and the air flow pipe; and a control circuit unit disposed within the housing space for controlling an operation of the electric air propelling fan, wherein the pipe wall is formed with an air passage hole by which the air flow passageway and the housing space communicate with each other.

Abstract: A method and a cleaning device for removing deposits in interiors of tanks and systems by explosion technology. The cleaning device, an explosive, gaseous mixture is provided and caused to explode in order to clean the interior. The explosion pressure wave is conducted into the interior via an outlet opening in the cleaning device. The explosive mixture or gaseous components thereof are introduced into an accommodating chamber of the cleaning device from pressure vessels at high velocity.

Abstract: This disclosure relates to a spray cleaner head for a cleaning system. In one aspect of this disclosure, the spray cleaner head includes a gear system configured to regulate rotation of a nozzle, and the gear system includes a central bore receiving an inlet shaft. In another aspect of this disclosure, spray cleaner head includes an adjustable brake assembly configured to selectively regulate rotation of the nozzle. In yet another aspect of this disclosure, the spray cleaner head includes first and second seals provided axially between the first and second bearings.

Abstract: Provided are methods and systems for cleaning various semiconductor substrate storage articles, in particular, FOUP doors. The FOUP doors and other similar articles often have openings that may get contaminated with cleaning liquids if not covered. The described cleaning system includes contact points for engaging the article and covering these openings. The contact points may be also used for supporting the article and for pressurizing the openings in the article with a gas. The gas may be supplied through one or more contact points. It prevents liquids from getting into the openings if even the openings are not completely sealed. The pressurization may be maintained through the entire wet portion of the cleaning process. The article may be rotated within the cleaning system while cleaning and/or other liquids or gases are dispensed through a set of spraying nozzles. Spraying nozzles may move to enhance cleaning of the article.

Abstract: A method and an associated system for in-situ decontamination of a contaminated soil region (2) which contains degradable pollutants, in which a fluid substance is introduced into the soil (1) using an injection device (4, 4?), wherein the fluid substance is introduced into the soil using a pressure injection method in a pressure-controlled manner and/or with an injection device that has a valve pipe with a pressure-controlled outlet valve.

Abstract: The present invention relates to compositions and methods for the remediation of contaminated solids and liquids. In particular, embodiments of the present invention relate to the bioremediation of solids and liquids by a composition comprising a biocatalyst or mixture of biocatalysts. The present invention also relates to methods for producing the bioremediation compositions and methods for applying the bioremediation compositions to contaminated sites, including treatment, storage, and disposal facilities, as well as various contaminated water sources, such as aquifers and reservoirs.

Abstract: Control of third octave vibrations in a mill stand can be achieved using a high-speed piezoelectric assist coupled to a hydraulic gap cylinder to increase the damping of the roll stack. Vertical movements of the roll stack (e.g., the top work roll) can be determined through observation (e.g., measurement) of hydraulic fluid pressure of the hydraulic cylinder or entry tension of the metal strip. After determining vertical movements of the roll stack, a desired change in hydraulic pressure can be determined to overcome, reduce, or prevent third octave vibration. This desired change in hydraulic pressure can be effectuated at high speeds (e.g., at or above approximately 90 hertz) using the piezoelectric assist.

Abstract: The present invention relates to controlled cooling in manufacture of steel plate, and in particular, to an on-line cooling system for controlled rolling with an inter-pass cooling process, which comprises a rolling mill and on-line cooling equipment. The cooling equipment is accessorily arranged on the exit of the rolling mill, so that the rolling mill and the cooling equipment are combined. One rolling mill and one set of on-line cooling equipment are considered a cooling group, and several such groups are connected in series, so the steel plate can be cooled in any rolling pass. In this invention, both the cooling system and the water supply system are arranged on the main frame, and the rolling process and the cooling process are synchronized by using inter-pass cooling. Consequently, satisfied rolling effect in the condition of a temperature gradient along the thickness direction, grain refinement at the surface and drastic strength improvement without sacrificing toughness are achieved.

Abstract: A conduit tube bending tester for use in testing potential measurements, angles and placements of a EMT conduit to be bent prior to permanently bending the EMT conduit includes a core member defining a elongated cylindrical wire constructed of a thin metal and a tubular outer body defining an exterior coating or skin constructed of a resilient material, with the core member enclosed in the outer body. Being embodied as a wire, the core member has the ability to be bent at any point along its length in any direction through the application of external force and retain the bend unless and until it is straightened or re-bent in another direction through application of external force. The outer body may additionally include a plurality of markings which define standardized measurements.

Abstract: An exemplary die assembly includes a die member, a blankholder, and a collapsible spacer moveable back-and-forth between an extended position and a collapsed position. The collapsible spacer establishing a first gap between the die member and the blankholder in the extended position. The collapsible spacer establishing a second, smaller gap between the die member and blankholder in the collapsed position. An exemplary forming method includes maintaining a distance between a die member and a blankholder with a collapsible spacer when forming a workpiece into a desired shape, and collapsing the collapsible spacer to permit the die member and the blankholder to move closer together.

Abstract: The invention relates to a method for producing highly dimensionally accurate half-shells from a tailored blank, wherein, in a first die, with optional use of at least one hold-down means, the half-shell is subjected to pre-shaping by deep drawing, wherein the first die has at least one punch, a die base, a die rest surface and a jacket region, and wherein the pre-shaped half-shell is subsequently subjected to final shaping in a second die, in particular in a calibration tool.

Abstract: A frame component of a vehicle, such as a header beam that couples between the A-pillars of a vehicle frame, includes an extruded hollow member having top and bottom exterior walls and side walls that together enclose an elongated internal volume of the hollow member. A pair of interior walls extends along the internal volume separating outer load sections adjacent to the side walls from a central attachment section. The outer load sections are void of apertures for supporting continuous load paths. A formation on the bottom exterior wall protrudes into the internal volume in the central attachment section. The formation includes an inset surface angled, located, and otherwise configured for attaching a subassembly to the frame component.

Abstract: A method of attaching a metal end (7) to a metal container body (6) in order to close an opening in the body, wherein the body (6) has a curled lip at least partially surrounding the opening and the end (7) has an upstanding lip extending at least partially around a periphery thereof. The method comprises locating the end (7) within the body (6) at or near said opening, bringing a curling tool (8) into contact with said upstanding lip of the end (7) and applying a force to that lip, via the curling tool (8), in order to curl the upstanding lip around the curled lip of the body (6) to form interlocking curls.

Abstract: A device to bend a tab on a container that is already filled and sealed. The device includes a brace for contacting against the tab and a number of lever arms arranged to extend around the tab from multiple different sides. The lever arms are configured to move between a first orientation that are spaced away from the tab, and a second orientation in contact with the tab. The lever arms are further configured to apply a force to the end of the tab to bend a second end upward away from a top side of the container.

Abstract: A method for manufacturing a cap, which can insert a sheet member easily into a predetermined position of an upper part inside a cap body, without causing deformation to the sheet member or the cap body. The sheet member does not separate when a container is brought to reduced pressure. An annular protruding portion protruding on a lower surface side is formed in an annular flat region of a sheet member of an inside plug. After or at the same time that the sheet member is inserted into and installed at a predetermined position within a cap body, the annular protruding portion is pressed axially toward a top panel wall and deformed so as to become close to a flat shape, to enlarge the outer diameter of the sheet member. The inside plug is thereby held to be inseparable from inside a skirt wall and to be axially movable.

Abstract: A forming machine, particularly a ring-rolling machine, which includes a light section sensor, which is directed at a workpiece disposed in a work region of the forming machine, can work precisely while having a simple mechanical-engineering structure. The light section sensor may be directed at a forming region in which the working tool acts in forming manner.

Abstract: The system includes a ram assembly with fingers for grasping a fastener. An actuator moves the ram assembly toward the workpiece, under machine control. A housing member which is movable by the actuator includes a holding member for an anvil portion of the ram assembly, the holding member being movable within the housing member. The holding member and the housing member are arranged so there is a selected air gap between the movable member and the top of the housing at the start of the fastener cycle. An insertion sensor assembly changes signal state when the air gap begins to close. When the air gap begins to close either too early or too late relative to a properly positioned fastener, the actuator is stopped by the cycle motion controller.

Abstract: An injection system applied to a die casting machine includes a container module, a first mold module, a feeding module, and an abutting module. The container module includes a container casing member. The first mold module includes a first inlet structure partially embedded into the container casing member, and a second inlet structure partially embedded into the container casing member. The feeding module includes a first feeding assembly and a second feeding assembly. The abutting module is disposed on the container casing member for downwardly abutting the first feeding assembly and the second feeding assembly. The abutting module downwardly abuts the first feeding assembly so as to firmly position the first feeding assembly on the first inlet structure. The abutting module downwardly abuts the second feeding assembly so as to firmly position the second feeding assembly on the second inlet structure.

Abstract: A nozzle for casting steel contains an inlet portion, an elongated portion extending along a first longitudinal axis, an outlet portion and a pouring bore having a front port inlet. A planar cut of the nozzle outlet portion normal to the first longitudinal axis passing through the front port inlet contains the outline of the bore, the outline of the outer peripheral wall of the outlet portion of the nozzle, and a first transverse axis. In the planar cut, the bore centroid and wall centroid are distinct and separated by a distance, d?0; and the segment extending along the first transverse axis, from the bore centroid, to the wall perimeter is longer than the segment extending from the wall centroid to the intersecting point between the first transverse axis and the wall perimeter.

Abstract: A nozzle assembly, for a metal casting apparatus selected from a sliding gate and a tube exchange device, comprises a first refractory element comprising a first coupling surface which includes a first bore aperture, and a second refractory element comprising a second coupling surface, which includes a second bore aperture, the first and second elements being coupled to one another in a sliding translation relationship through their respective first and second coupling surfaces such that the first and second bore apertures can be brought into and out of registry to define, when in registry, a continuous bore for discharging molten metal from a molten metal inlet to a molten metal outlet of said nozzle assembly. A sealing member is provided between the first and second coupling surfaces of the first and second elements. The sealing member comprises a thermally intumescent material.

Abstract: A casting mold (260) comprises a shell (262) extending from a lower end (264) to an upper end (266) and having: an interior space (280) for casting metal; and an opening (268) for receiving metal to be cast. A plurality of thermocouples (900) are vertically-spaced from each other on the shell.

Abstract: The invention discloses metal powder for a 3D printer. The metal powder for 3D printers is 10-50-micron metal powder made by agglomerating many submicron order metal particles through a granulating process. As the metal powder is combined by submicron order metal particles, the metal powder is low in melting point and high in melting speed, so that the printing speed of the metal 3D printer can be increased and the precision of a printing member can be improved. Meanwhile, the average grain size of the metal powder is equivalent to existing atomized metal powder for 3D printers, and the metal powder has good dispersibility and conveying property, and can be suitable for existing 3D printer equipment.

Abstract: The present application provides a combined additive manufacturing and machining system. The combined additive manufacturing and machining system may include an outer chamber, an additive manufacturing tool positioned within the outer chamber, a machining tool positioned within the outer chamber, and a cryogenic fluid source in communication with the machining tool.

Abstract: The adjustable build envelope for powder bed fusion machines includes a frame in the build chamber having four movable sides, a base and two motors with lead screws. The motors are placed at an angle of 45° with respect to the side of the frame, so that as the motors rotate the lead screws, the two sides of the frame slide in opposite directions. The sides move inward with the help of guide pins and dovetail grooves, thereby reducing the build envelope volume. For large builds, both motors rotate in the reverse direction to increase the build envelope volume. By changing the build envelope volume according to the given build size, powder waste is reduced.

Abstract: A turbomachine has a seal which mates to a plurality of airfoils. The seal is formed from an abradable aluminum based material having a plurality of hard phase particles embedded therein and having a melting point higher than a melting point of the melting point of the abradable coating matrix alloy.

Abstract: The present invention discloses a method for fabricating a porous spherical iron-based alloy powder, a powder thereof and a sintered body thereof. The method comprises steps: mixing an iron oxide powder and an alloying powder to form a mixed powder; spray-granulating the mixed powder to form a spherical spray-granulated powder; and placing the spherical spray-granulated powder in a reducing environment and heating it to a temperature of lower than 700° C. to obtain a porous spherical iron-based alloy powder having high flowability, high compressibility, superior sinterability and low cost.

Abstract: The present invention relates to a device for deburring tubes, in particular tube ends. Said device comprises a proximal and a distal end and has a substantially basic body (1) with a plurality of contact surfaces (20, 20?, 20?). It further includes a shaft (2) and a guide chamber (4) in which a guide bushing (6) is displaceably mounted. A spring (5) is arranged in such a manner in the guide chamber (4) that a restoring force is exerted onto the guide bushing (6). A blade (11) is releasably fastenable on the guide bushing (6). A guide groove (19), by means of which the blade (11) is guided, extends along an outside surface of the conical basic body (1). The present invention further relates to the use of the device according to the invention for deburring tubes (17), in particular tube ends.

Abstract: A pipe machining apparatus according to an aspect includes a frame capable of being mounted onto a pipe, a tool carrier coupled to and movable relative to the frame, a tool support coupled to and movable with the tool carrier relative to the frame, and a laser line generator tool mounted on and movable with the tool support. The laser line generator tool is used to image a laser light onto the pipe to align with a mark(s) on the pipe which denotes a proper cut line around the pipe. The apparatus can be repositioned relative to the pipe in order to enable an operator to properly position the apparatus on the pipe prior to a cutting operation.

Abstract: A cutter fastening assembly has a tool block, a fastening bolt, a fastening unit, a collet, and a cutter holder. The fastening bolt, the fastening unit, and the collet are mounted inside the tool block. The cutter holder has an assembling seat and a threaded hole. The assembling seat is integrally formed on the cutter holder and has a flange portion. The threaded hole is axially defined inside the flange portion and is screwed with the fastening bolt to keep the cutter holder connecting with the tool block.

Abstract: The invention relates to a tool device which is suitable for use with a machine tool, in particular a hand guided machine tool, having a driving device moving, in particular in an oscillating manner, around a driving axis. The tool device has an attachment device which allows it to be fastened on a machine tool such that its driving axis and an axis of rotation of the tool substantially coincide. The attachment device, for absorbing the driving force, has at least two driving area regions, which are spaced apart from said tool axis of rotation and each has a plurality of surface points. The tangent planes to said surface-area points are inclined in regard to an axial plane, which encloses the tool axis of rotation. Furthermore, said tangent planes are inclined regard to a radial plane which extends perpendicularly to the tool axis of rotation. This means that the torque introduced into the tool device by the machine tool, via the driving device, is reliably absorbed.

Abstract: A universal driven shaft retaining system includes a collet chuck holder that circumferentially engages a collet chuck with substantially inward compression during inward co-linear movement of a drawing bar creating a clamping (locking) effect on an inserted driven shaft.

Abstract: A drill includes a shank and a body having an outer peripheral surface with a certain outer diameter and a distal end tapered surface of a certain distal end angle. The drill includes a pilot shaft portion projecting from the distal end tapered surface of the body and having a diameter smaller than the body and having an outer peripheral surface of a certain outer diameter. The drill further includes an odd number of twisted grooves extending from the outer peripheral surface of the body to the outer peripheral surface of the pilot shaft portion at a certain twisted angle, an odd number of main cutting edges formed on the distal end tapered surface of the body by forming of the twisted grooves, and an odd number of auxiliary cutting edges formed on the distal end tapered surface of the pilot shaft portion by forming of the twisted grooves.

Abstract: A cutting tool is shown for cutting, handling and then ejecting disks of material cut from a sheet or like material, the tool comprising: a body having a proximal end adapted to be rotatably driven about an axis, and having a distal end including a generally cylindrical cutting portion rotatable about said axis for cutting and receiving said disks; an ejector slideable parallel with the axis and within said cylindrical cutting portion for ejecting the received cut disks; and a grip rotatably mounted to the body such that the grip can be held without substantial rotation while the body is rotated said grip being operable to cause said sliding of the ejector and for ejecting the disks.

Abstract: A drill bit rotatable about a rotation axis is disclosed. The drill bit has a first drill bit portion configured as a cutting portion and has an annular portion connected at one end to one or more cutting elements and, at another end, a first connection device. The drill bit has a second drill bit portion configured as a drilling shank portion and has a cylindrical drill shaft, which on one end has a second connection device. The first and second connection devices in a connected state form a detachable connection, and a force transmission and torque transmission occur from the drill shaft portion to the cutting portion. The cutting portion has a third connection device, and the drill shaft portion has a fourth connection device. The third and fourth connection devices in a connected state form in an axial direction parallel to the axis a form-fitting connection.

Abstract: A milling insert suitable for shoulder milling includes a side surface extending between an upper and lower side and a cutting edge having a primary and a secondary cutting edge portion. The side surface includes an axial support surface opposite of the secondary cutting edge portion. The lower side includes a locking groove extending longitudinally, and a lower contact region formed to bear on a fastening member. The upper side has an upper contact region arranged to bear on a top support member of a tool in which the milling insert is mountable. A milling tool is provided with a top support member for bearing on the upper contact region of the milling insert, a locking ridge for locking with the locking groove, and an axial contact surface for supporting the axial support surface. A fastening member presses the milling insert against the top support member and the locking ridge.

Abstract: A cutter head (40) having cutting blade positioning slots (50, 52) wherein a portion of the positioning slots accommodate cutting blades (42) for right-hand cutting and another portion of the positioning slots accommodate cutting blades (46) for left-hand cutting.

Abstract: A controller for controlling a synchronized operation of spindle and feed axes. A spindle-axis control section includes an initial-motion control section for making a spindle axis perform an accelerated rotation at maximum capacity from a process start position; a maximum-acceleration detecting section for detecting a maximum acceleration of the spindle axis; a residual rotation-amount detecting section for detecting a residual rotation amount of the spindle axis; a current-speed detecting section for detecting a current speed of the spindle axis; a positioning-motion control section for making the spindle axis perform a decelerated rotation so as to reach the target thread depth after the accelerated rotation; and an overshoot detecting section for detecting an overshoot of the spindle axis during the decelerated rotation.

Abstract: The present disclosure provides systems and methods for applying brazing material to substrates. The disclosed systems and methods suitably include applying brazing material to a substrate, collecting one or more images of the brazing material, and manipulating the substrate in response to the one or more images.

Abstract: A welding system including a power supply, a torch electrically connected to said power supply, a wire feeder that provides a welding consumable to the torch, a controller that communicates with a motor associated the wire feeder and the power supply. The controller obtains a wire feed speed of said motor as it accelerates from a run-in speed to a pre-set speed and controls the power supplied to the torch based on this wire feed speed to reduce stubbing or spattering during arc initiation.

Abstract: There is provided an arc welding control method of alternating feeding of a welding wire between forward feeding and reverse feeding periodically to generate a short-circuiting period and an arc period in a manner that shifting to the arc period is performed by reducing a welding current in the reverse feeding during the short-circuiting period. Reduction of the welding current is started from a time where a state of the reverse feeding reaches a predetermined reference state.

Abstract: A welding parameter derivation device of a welding machine having a torch and a weaving mechanism derives welding parameters in accordance with the cross-sectional shape of a weld portion of a new base metal. A database stores welding parameter data, and a welding parameter computation unit computes welding parameters for the shape of a groove or joint of a new base metal. Based on past welding parameter data for a shape similar to that of a groove or joint of a new base metal, and input data pertaining to the specifications of the welding machine, the computation unit derives welding parameter data for the new base metal, taking into account a parameter of the cross-sectional area of the weld portion formed on the new base metal, the bead height of the weld portion, the quantity of heat inputted to the new base metal, and a torch weaving parameter.

Abstract: A welding system includes an electrode configured to be advanced toward a workpiece and a power supply configured to provide a flow of electricity to the electrode for generating a welding arc between the electrode and the workpiece. The welding system also includes a first sensor configured to sense a light intensity of the welding arc and a second sensor configured to sense a current provided to the electrode via the power supply. In addition, the welding system includes a controller communicatively coupled with the first and second sensors and configured to modify the light intensity with respect to the current. The controller is configured to control a welding parameter of the welding system based on the modified light intensity.

Abstract: A welding machine power supply apparatus outputs welding current in accordance with welding conditions set through operation of a display and setting unit (20). When a welding operation is ended while the welding machine power supply apparatus is operating, the welding conditions effective at the time the welding operation is ended are automatically stored in a memory (16). When any ones or more of the welding conditions at the time when the welding operation is resumed by the use of the welding machine power supply apparatus are different from the one or ones which were effective when the welding operation was ended, a load button (70), a rotary encoder (64) and a set button (72) are operated to cause a control unit (14) to read out the welding conditions stored in the memory (16) which were effective when the welding operation was ended, and to set the read-out welding conditions in the welding machine power supply apparatus.

Abstract: A resistance welding device is provided with a lower tip and an upper tip that serve as welding tips, and pressing rods that serve as pressing members. The upper tip and the pressing rods press a stacked body, which is to be welded, from the metallic plate side, which is the outermost member of the stacked body. The lower tip presses the stacked body from the lowermost metallic plate side. In this state, and electric current is conducted from the upper tip to the lower tip.

Abstract: The invention relates to a spot welding cap changer (1) with a cap puller (2) and two cap magazines (3, 3A), the cap puller (2) having a gripper (20) with spring-loaded, pivotable jaws (21, 22), which in response to a turning and axial pulling-off movement detaches a spot welding cap (K) of a pincer spot welding head introduced into it from a shaft of the pincer welding head in such a way that it is clamped to prevent it twisting, and the cap magazines (3, 3A) holding spot welding caps respectively in a round cap carrier (31) such that they are circularly arranged in a directed and oriented manner and are respectively transported individually one after the other into an access position against a stop (32) by an advancing force (P).

Abstract: An apparatus and method for manufacturing and authenticating a three-dimensional article including the steps of (1) successively building up the article from a metal powder by an additive manufacturing process by scanning a selected portion of the metal powder with electromagnetic radiation, (2) forming an anti-counterfeiting mark in the article during the additive manufacturing process, and (3) determining whether the article includes the anti-counterfeiting mark.

Abstract: A joined body is formed by joining end surfaces of two joining members to each other by a friction welding. The joined body includes a hollow portion formed on at least one of the two joining members, the hollow portion being configured to have an opening at the joining face between the two joining members. The joined body also includes an annular groove portion formed on an inner circumferential surface of the hollow portion at a position separated from a joining face in an axial direction.

Abstract: The invention concerns a method for forming by welding along a flat surface an article. The method according to the invention is particularly useful to improve strength and elongation of welded joints obtained by linear friction welding. Structural articles of aircrafts obtained with the method of the invention are advantageous, in particular aircraft structural members.

Abstract: A tool-changing carrier, that is to say a tool turret (1) with a rotary turret unit having at least two tool mounts (9) and arranged such that it can be rotated relative to a basic turret body (12), has radiation-transmission means which are provided for passing electromagnetic radiation through the tool-changing carrier or along the same. A tool system comprises such a tool-changing carrier and at least two tool heads (3, 5, 15, 17, 18, 27, 34, 40, 43), intended for fixing on the tool mounts (9), wherein at least one tool head is an optical tool head (3, 15, 17, 18) which is suitable for exposing a workpiece (11) to electromagnetic radiation and has a tool optics unit (23) for deflecting and/or forming the electromagnetic radiation.