Abstract: For shaping the leading edge (1) of blisk blades (2), the shape, amount and disposition of the material to be removed in a subsequent grinding and polishing process is determined beforehand over the entire blade length. The blade leading edge is milled such that an elliptical profile (3) has a material allowance (7) which over the length of the leading edge exactly corresponds to an expected material removal during the grinding and polishing process, so that a blisk blade is produced whose leading edge features an aerodynamically advantageous shape.

Abstract: A method is provided for machining a slot having a slot base in a turbine engine rotor disk. The method includes forming a preform slot that extends along a longitudinal axis through the rotor disk. The preform slot includes a preform slot endwall connected laterally between a first slot sidewall and a second slot sidewall. A cutting tool is rotated about its axial centerline, which is substantially parallel to the longitudinal axis. The preform slot endwall is machined with the rotating cutting tool to form the slot base.

Abstract: A method of manufacturing a marine thru-hull fitting from a single stock material to fit a variety of different sized boat hulls is disclosed. A variety of differently-sized thru-hulls can therefore be formed from the same stock item, reducing the amount of inventory manufacturers are required to maintain.

Abstract: Toe clamps generally shaped like hollow cylinder sectors or ring segments, methods of manufacturing such toe clamps, a toe clamping arrangement including such toe clamps, and a fixture for use in manufacturing such toe clamps.

Abstract: A method for producing a drive shaft of a food processor, the drive shaft having an end-side, splined-shaft-like toothing that is movable into positively locking engagement with a complementarily formed clutch. The method includes producing the toothing by machining the drive shaft with a cylindrical milling cutter, wherein the cylindrical milling cutter engages with the drive shaft from a radial direction with respect to a longitudinal axis of the drive shaft; and positioning an axis of rotation of the cylindrical milling cutter cross-wise relative to the longitudinal axis of the drive shaft, wherein the axis of rotation of the cylindrical milling cutter is at an incline relative to the longitudinal axis of the drive shaft so that the axis of rotation and the longitudinal axis draw an angle of less than 90°.

Abstract: Re-usable ceramic magic angle spinning (MAS) NMR rotors constructed of high-mechanic strength ceramics are detailed that include a sample compartment that maintains high pressures up to at least about 200 atmospheres (atm) and high temperatures up to about least about 300° C. during operation. The rotor designs minimize pressure losses stemming from penetration over an extended period of time. The present invention makes possible a variety of in-situ high pressure, high temperature MAS NMR experiments not previously achieved in the prior art.

Abstract: A broaching apparatus (200, 400) includes; a broach (300, 600) having a cross-section corresponding to a geometry of slot (115) between adjacent steeples (110) of a turbine rotor (100), and a mechanism (210, 220, 230, 410, 420, 430) which moves the broach (300,600) through the slot (115) in a direction substantially parallel to a direction of extension of the slot (115).

Abstract: A method for the milling machining of components is disclosed. The method produces recesses with one or more lateral walls, in particular for the production of integrally bladed rotors for gas turbines, the recesses forming flow channels and the lateral walls forming blade surfaces of an integrally bladed rotor. The component to be machined by milling is clamped in a locating device for the milling machining. To adjust the vibrational properties of the component to be machined by milling, areas of the component are embedded in and/or filled with a machinable plastic.

Abstract: A steel disc blank provides a first face with a concave race, a second face opposite to the first face, a central through bore extending between the first and second face, and an outer peripheral edge; the disc blank is heat-treated; then the bore is turned, thus obtaining at least one cylindrical turned portion of the bore, and then the concave race is turned, holding the disc blank locked on the lathe by means of jaws engaging on the machined cylindrical portion, using this turned cylindrical portion as a reference surface for turning of the concave race.

Abstract: A method for providing a shallow-angled hole through a thermal barrier coated component in accordance with one aspect thereof, includes a step of applying a pulse laser beam to pre-drill the hole through a base metal of the component. A thermal barrier coating is then applied to the base metal, covering the pre-drilled hole in the base metal. A further step is conducted to apply the pulse laser beam through the thermal barrier coating a location to coincide with pre-drilled hole in the base metal in order to complete the formation of the hole extending through the component.

Abstract: A method of forming a bone plate comprising fabricating a bone plate to include a first through hole, where at least one of a width and a length of the hole changes along a depth of the hole; plunge milling an interior surface of the bone plate demarcating the first through hole to remove at least a portion of the bone plate to increase at least one of the width and the length of the through hole; and, threading at least a portion of the first through hole.

Abstract: This invention provides a hollow golf club head including a metal plate portion provided with thin and thick portions. A medium thick portion having an intermediate thickness between the thicknesses of the thin and thick portions is formed at the boundary portion between the thin and thick portions. The thin and medium thick portions are formed by the steps of pressing the metal plate portion to form a recess in one surface of the metal plate portion and a projection on its other surface, performing chemical milling of the recess and a portion surrounding it, and removing the projection by grinding.

Abstract: An orifice plate used as part of a fuel injector. The orifice plate has a base portion, an offset portion integrally formed with the base portion, a flow entry side and a flow exit side, where the base portion and the offset portion are part of the flow entry side and the flow exit side. A plurality of exit apertures is integrally formed with the offset portion. Each of the plurality of exit apertures includes a plurality of stepped portions, and at least one inner diameter, and each exit aperture is disposed at an angle relative to a central axis extending through the orifice plate. Each exit aperture is of a depth that is about twice the size of the inner diameter, providing optimal atomization of the fluid as the fluid flows through the exit apertures.

Abstract: A system and method of making a part, including capturing an actual tridimensional surface of each part to obtain a corresponding digitized actual surface, performing a tridimensional comparison between the digitized actual surface of each part and a nominal tridimensional surface, generating an actual location and orientation of an operation to be performed based on the tridimensional comparison, and performing the operation on the part based on the generated actual location and orientation of the element.

Abstract: One embodiment includes a method for creating a recessed pattern in a substrate. The method includes laser ablating the substrate to form a recessed complex edge geometry in the substrate. The recessed complex edge geometry forms at least a portion of the pattern. The method also includes machining a remainder of the pattern with a mechanical cutter.

Abstract: A process for forming a firtree slot in a disc of a bladed rotor assembly for a gas turbine engine may include making a first pass with a machining quill to form a rough profile of the firtree slot, making a second pass with an inclined machining quill having the shape of one of the finished side wall profile of the firtree slot and avoiding engagement with the other side, and making a third pass with an inclined second quill having the shape of the other of the finished side wall profile of the firtree slot and avoiding engagement with the other side, in order to provide a firtree slot for receiving and fixing the root of a blade.

Abstract: A universal bell housing which may be adapted to a variety of automotive engine and transmission combinations and method of making the same is disclosed. The bell housing is made by spin forming a sheet of steel and welding a transmission plate onto the cone. The cone and transmission plate are indexed to mount to a specified engine-transmission combination.

Abstract: An improved method for manufacturing hand guards, utilizing this method multiple sheets can be stacked and then clamped to a XY cutting table to cut multiple patterns therein, subsequently a forming tool or die is used to form complex 3 dimensional shapes in any XY, XZ, YZ or XYZ planes in a single operation.

Abstract: Provided is a method of manufacturing a variator component comprising a step of performing, on a variator component workpiece, pre-machining of a power transmission surface and spline holes while leaving machining allowance, a step of performing workpiece thermal hardening, a step of performing finish-machining of multiple spline grooves constituting the workpiece spline holes, a step of snugly abutting part of a chuck mounted on a lathe or a grinder into multiple spline grooves and clamping the workpiece coaxially with the rotational axis of the chuck, and a step of performing finish-machining of the power transmission surface of the workpiece using ball spline grooves of the workpiece clamped by the collet chuck as a machining reference.

Abstract: A microreactor for separating heterogeneous liquids including a series or baffles and passageways is disclosed herein along with a methods for using such microreactors, and methods for manufacturing such microreactors.

Abstract: A method for cutting a blade root retention slot in a turbine engine disk element includes forming a precursor slot in the element. The precursor slot has first and second sidewalls and a base. A rotating bit is passed through the precursor slot to machine the base. The bit rotates about an axis off-normal to a direction of passing. A cutting performance of the rotating bit is modeled reflecting a chip trapping intensity parameter and a heat intensity parameter. At least one parameter of the bit and its passing is selected so as to avoid tool loading where removed chips/swafs stick onto the bit.

Abstract: A rack for an oven includes a sheet of metal having a front edge, a back edge, opposing side edges, a top surface and a bottom surface. A row of punched openings is formed in the metal sheet, with a solid region of metal adjacent to the row of punched openings. A stiffening rib is formed in a surface of the rack in the solid region of metal having a substantially semi-circular, indented cross-section.

Abstract: A manufacturing process of a monobloc vaned disc including a cutout by abrasive water jet, including: a continuous cutout, with an ejection head of a tool opposite a first face of the block, of a piece passing through the thickness of the block, the continuous cutout revealing a junction line between a second face of the block opposite the first, and the surface of the block cut out by the abrasive water jet; followed by at least one enhancement cutout, with the ejection head opposite the second face of the block, of a piece extending only over part of the thickness of the block, and integrating at least part of the junction line.

Abstract: A tooling system comprises a plurality of elements arranged in an array, the elements of the array being movable between a closed position in which the elements contact one another and are secured in position, and an open position in which the elements of the array are spaced apart and are capable of vertical movement relative to one another, characterized in that the tooling system further comprises means for retaining the elements of the array in a plurality of different relative vertical alignments. A method of operating the tooling system is also described, which method of operating includes at least the steps of moving the elements of the array into a first vertical alignment, machining the free ends of the elements according to a predetermined pattern and moving the elements of the array into a second vertical alignment in which the machined ends of the elements produce a desired surface contour.

Abstract: This disclosure generally relates to high-volume and cost-effective methods for producing non-spherical metal particles, particularly methods for producing metal cubes having rounded edges. The metal cubes having rounded edges are useful as ballistic shot in shotshell loads for hunting, where the particle shape imparted by the disclosed process packs to a higher density than spherical shot in the same volume.

Abstract: A machine which comprises two machining heads (1, 2) designed to machine crankshaft (5) ends and two machining stations (3, 4) designed to receive and secure at least one crankshaft (5). The machining stations (3, 4) are disposed between the two machining heads (1, 2). The crankshafts (5) are mounted in such a manner as to be disposed parallel to each other and oriented at 180°.

Abstract: A machine tool including a tool spindle, to which a tool can be detachably fixed and by means of which the tool can be rotated, and a workpiece support is provided, the tool spindle and the workpiece support being displaceable relative to one another, characterized in that the tool spindle includes a loading device, which acts on a linearly movable rod of a tool fixed to the tool spindle. The tool spindle includes a motor device coupled to the loading device, which drives linear displacement of the rod. The machine tool includes a set of tools by means of which different machining operations can be conducted on a workpiece, wherein the tools can each be fixed to the tool spindle and the tools each have a rod on which the loading device of the tool spindle acts when a tool is fixed to the tool spindle.

Abstract: A method of forming a batch of uniformly shaped glass sheet objects is disclosed. A stack of glass sheets is placed in a frame and submerged in a coolant. A hole is drilled through the stack. The cores of the hole and any debris from the drilling process are swept away in the coolant and pumped through a filter. A pin is inserted into the hole and attached to the base. A head on the pin, or a washer, fixes the stack of glass to the base at the hole. An outer profile is then cut in the glass stack around the hole while the formed objects are held to a base of the frame by the pin. Again, any debris is swept away in the coolant. The uniformly shaped objects are removed from the frame and separated. The glass sheet objects are preferably usable as a substrate for a magnetic or magneto-optical (MO) data/information storage retrieval medium.

Abstract: A manufacture method for a surface mounted power LED support comprises providing a wiring board having both sided metal layers. In addition, the method comprises forming a hole. Further, the method comprises setting a metal layer in the surface of the hole. Still further, the method comprises thickening the metal layer of the wiring board. The method also comprises etching the metal layer of the wiring board. Moreover, the method comprises cutting the wiring board to form single support unit. A surface mounted power LED support comprises a both sided wiring board, a hole formed in the wiring board and wiring layers set on the surface of the wiring board.

Abstract: A method for screening abrasive wheels for fabricating a honeycomb extrusion die from a die body, and methods for fabricating a honeycomb extrusion die using an abrasive wheel assembly. One method for fabricating a honeycomb extrusion die includes measuring at least one of runout and thickness of each of a plurality of abrasive blades while rotating the blades, selecting a subset of the plurality of blades that have a measured runout or a measured thickness within a predetermined range, and mounting the subset of blades spaced from one another and concentrically aligned along a rotation axis of the abrasive wheel assembly.

Abstract: A spark plug orientation method may include forming a spark plug housing by advancing a tool a first distance in a first axial direction into a spark plug bore to create a spark plug seat using a seat forming portion of the tool. The tool may be displaced a second distance in a second axial direction generally opposite the first axial direction to provide a predetermined axial orientation between the thread forming portion of the tool and the spark plug seat. The spark plug bore may be engaged at a first predetermined rotational position and the tool may be displaced in an orbital motion and in the second axial direction at a predetermined rate to form a threading on the spark plug bore providing a starting point of the threading at a second predetermined rotational position proximate the spark plug seat.

Abstract: A method for manufacturing a lens mold core includes the following steps. First, a blade is provided. Then, the blade is driven to a number of cutting points in this order from the peripheral to the center of a molding surface of the lens mold core facing the blade at a fixed pitch less than about 500 nm, according to the manufacturing parameters of the lens mold core. Next, the lens mold core is driven to move toward the blade along a central axis of the molding surface and to spin about the central axis at each cutting point until the blade cuts into the molding surface a desired depth, according to the manufacturing parameters of the lens mold core.

Abstract: An improved beam clamp for use in hanging pipes and fire protection systems has a one piece clamp body with parallel arms which extend from a base for contact with a beam flange or other structure, and with one more through-holes formed in the base by friction drilling or other extrusion process to form a collar on one side of the base and a bushing on an opposite side of the base whereby the extruded through-hole has a linear dimension which is greater than a material thickness of the base. The extruded through-hole is threaded to receive a fastener or rod for extension to a pipe or other object, and the strength of the threaded engagement is increased by the number of threads in the extruded through-hole.

Abstract: An article is disclosed that includes a substrate having a first surface and a second surface and a coating disposed on the second surface. In addition, the article includes an angled trench at least partially defined in the coating. The angled trench may include a bottom surface, a first sidewall and a second sidewall disposed downstream of the first sidewall. The first and second sidewalls may extend from the bottom surface at an angle of less than about 60 degrees. Moreover, the article may include a plurality of holes defined between the first surface and the bottom surface.

Abstract: Disclosed are systems and methods of beveling gripping holes of bowling balls. A method includes creating a bevel at an edge of a hole of the bowling ball by removing material from the bowling ball using a rotary tool equipped with a shaping bit that extends into the hole.

Abstract: A manufacturing method of the present invention includes the steps of: preparing a pre-line forming member having no face line; and cutting the pre-line forming member using a cutter 12 to form the face line on the pre-line forming member. The cutter 8 has a tip part having a cutting surface. The cutting surface has a recessed curved surface c4. An edge of the face line 8 is cut by the recessed curved surface c4. Preferably, the step of cutting is carried out by axial rotation of the cutter 8. Preferably, the cutting surface has a plane part c5 formed on an upper side of the recessed curved surface c4. Preferably, the upper side plane part c5 is perpendicular to a rotation axis rz of the cutter 12. Preferably, the cutting surface has a conical surface Fc formed on a lower side of the recessed curved surface c4.

Abstract: Certain example embodiments of this invention relate to a grille badge including an outer member and an inner member configured to be snapped together. The inner member includes a living hinge to facilitate the connection to the outer member. The inner member is at least initially inserted into the outer member in a bent position, the inner member being bent or snapped into place via the living hinge provided thereto during manufacturing and/or assembly. In certain example embodiments, the outer element includes at least one slot for receiving at least one corresponding tab provided to the inner element. In certain example embodiments, the inner and outer members include corresponding snap features for securing the connection therebetween. An assembled grille badge may be connected, directly or indirectly, to a vehicle (e.g., to the vehicle, to a front-end assembly, to a grille, etc.), for example, using one or more snap features.

Abstract: A device which processes a cylinder bore of a combustion engine in one working stroke prepares the cylinder bore for a subsequent thermal coating.

Abstract: A method for removing a crack in an electromechanical rotor, including: forming a plurality of slots on a periphery of a core portion of an electromechanical rotor along an axial direction thereof; inserting coils into the slots, respectively; forming a plurality of wedges for maintaining the coils in the slots, respectively; and forming a cut hole at at least a part of the core portion from an outer surface of the core portion toward the side of a center axis thereof so as to contain a crack along a circumferential direction thereof.

Abstract: A method of constructing a retail display system includes creating a first display article including a support panel and hanging the first display article. Creating the first display article includes editing an original photograph of a clothing product for sale to appear similar to a mannequin wearing the clothing product for sale in an edited photograph. Hanging the first display article includes hanging the first display article in a display area using a mounting bracket secured to a back surface of the support panel. The method further includes positioning a retail good corresponding to the clothing product depicted in the photograph in proximity to the first display article. Retail display systems and methods of construction provide additional advantages.

Abstract: The present invention relates to a shaftless hinge comprising two hinge plates where shaft bushes are disposed on confronting sides of the two hinge plates; each of the shaft bushes on one of the hinge plates is disposed with an extension section at one end thereof; the extension section inserts into and pivotally articulated with one of the shaft bushes of an other one of the hinge plates respectively.

Abstract: A method of forming integrally bladed rotors for gas turbines is described. The method includes drilling in a workpiece material recesses defining flow passages and rotor blades, performing a coarse milling step to refine surfaces of the rotor blades, and filling the recesses between the rotor blades with a damping material, thus encasing the rotor blades in the damping material. The method further includes performing a finishing milling step to remove the damping material and the workpiece material on surfaces of the rotor blades, while maximizing a damping effect of the damping material on the rotor blades. To maximize the damping effect, the finishing milling tool moves along a path that preferentially mills one surface of a blade while the other surface is in contact with the damping material.

Abstract: A honeycomb structure-forming die 1 has a die substrate 22 including a first plate-shaped member 23 having back holes 6 for introducing a raw forming material and a second plate-shaped member 24 having slits 5 for forming the material into a lattice shape. The first plate-shaped member 23 has columnar portions 8 where at least a part is zoned by a slit-shaped groove portion 7 corresponding with a shape of the slit 5 on a bonding face side 28 where the first plate-shaped member 23 is bonded with the second plate-shaped member 24. In the columnar portions 8, the ratio (L/T) of the height L of the columnar portions 8 to the minimum width T in an end face on the bonding face side 28 is within 1/3 to 3.5. Thus constituted die realizes high formability, and two plate-shaped members constituting the die substrate are hardly peeled from each other.

Abstract: The invention provides an enhanced method and system for machining an array of components. A holding mechanism is provided for holding an array of components in a machining process. The holding mechanism comprises: a rigid base plate and at least one support for holding a raw material while machining, one end of each support being coupled to the rigid base plate. The holding mechanism is further provided with a secure plate movably coupled to the rigid base plate. The secure plate is provided with one or more holding parts such as double-sided tape or guiding pins for holding the raw material. The secure plate can be elevated to hold the raw material during a machining operation such as peripheral machining.

Abstract: A bone plate including a combination locking and compression screw hole having a top opening and a bottom opening, the top opening being generally circular and including a widthwise dimension and a lengthwise dimension normal to the widthwise dimension, where an interior wall of the bone plate extends between the top opening and the bottom opening, where at least a portion of the interior wall proximate the top opening is threaded, and where at least one of the widthwise dimension and the lengthwise dimension is decreased between the top opening to the bottom opening, while the other of the widthwise dimension and the lengthwise dimension does not substantially decrease between the top opening and the bottom opening.

Abstract: The invention provides tooling and a method for hot forging pieces of sheet metal that are to form metal reinforcement mounted on the leading or trailing edge of a turbine engine blade, by means of bottom and top matrices each presenting a twisted elongate surface for use in shaping an initially plane piece of sheet metal, the shaping surface of the bottom matrix presenting a high portion, a low portion, and two end zones. The bottom matrix includes studs for positioning and guiding the piece, the studs being situated at the periphery of the corresponding shaping surface.

Abstract: A method of manufacturing a stent includes forming a stent blank including a predetermined alloy composition, the alloy composition including at least base element and at least one sacrificial element and forming a stent framework from the stent blank. The method further includes removing at least a portion of the sacrificial element and forming at least one pore based on the removal. A method of manufacturing a vascular treatment system includes forming a stent blank including a predetermined alloy composition including at least one base element and at least one sacrificial element. The method further includes forming a stent framework and removing at least a portion of the sacrificial element. The method also includes forming at least one pore based on the removal, bending the stent framework to a delivery shape, and attaching the bent stent framework including the formed pores to a catheter.

Abstract: The prosthetic temporomandibular implant (10) comprises a concave surface (16) and a convex surface (17) designed to cooperate, respectively, with the natural outer surface (9) of the condyle (5) and the natural inner surface (7) of the fossa (8) of a damaged joint (2) of a human mandible (1). It is made of a rigid biocompatible material such as ceramic, stainless steel or an aluminum/zirconium alloy. The implant is designed based on an image of the joint (2) generated by a medical imaging system and incorporating an image of a healthy joint (3); these three-dimensional images are processed by a CAD (segmentation, vectorization) system to obtain a vector representation of the implant (10) and a data file capable of controlling a digital milling machine. The invention is applicable to the restoration of a damaged TMJ (2).

Abstract: A preform includes an airfoil stub and a dovetail hub. The hub first undergoes electrochemical discharge machining to form a rough dovetail. The airfoil stub undergoes electrochemical machining to form an airfoil. The rough dovetail then undergoes electrochemical discharge machining to form a rough tang. The rough tang is finish machined to form a dovetail extending from the airfoil in a unitary rotor blade.

Abstract: There is provided a method by which a member having an undercut in the inner peripheral portion thereof can be formed readily. To form a material (1) formed with a recess (2) and the undercut (3) by using a swaging device, while the material (1) is first gripped by a clamper (11), and a mandrel (12) is inserted into the recess (2) of the material (1). The mandrel (12) used has an outside diameter equal to the inside diameter of a blind hole of an aimed product (fuel injection nozzle). Then, the material (1) is pushed in by the mandrel (12) to a position at which the material (1) abuts on a stopper (13), and the outside surface of the material (1) is struck by swaging dies (8) to perform a swaging operation. This swaging operation reduces the inside diameter of the recess (2) to the outside diameter of the mandrel (12), with the undercut (3) left.