Abstract: The present invention discloses a extrusion forming method and a forming apparatus for manufacturing a self-clinching rivet, wherein the forming method comprises: upset-extruding a first end of a wire blank to shape it into a material pushing portion and a shank portion billet, upset-extruding the shank portion billet to shape it into a shank portion and a groove portion, and upset-extruding a second end of the wire blank to create a slot portion and a slot shaft portion. The invention for manufacturing the self-clinching rivet by one-time extrusion forming does not generate waste during processing, which greatly improves a utilization rate of raw materials compared with the traditional machining method. Meanwhile, a formed piece manufactured by the present invention has complete metal streamlines, which can greatly improve its strength compared with the one manufactured by machining and avoid a risk of hydrogen embrittlement in a subsequent surface treatment.

Abstract: A method for precision machining a workpiece with gearing, wherein teeth of a gear-cutting tool rotating about a rotation axis are brought into engagement with teeth of the workpiece rotating about a workpiece rotation axis, and the gear-cutting tool and the workpiece are moved relative to each other in an axial direction parallel to the workpiece rotation axis. The thickness of the teeth of the gear-cutting tool, starting from an end face, increases in the axial direction until a thickness maximum is reached. The ratio (Bw/Bz) of the width (Bw) of the teeth of the workpiece to the width (Bz) of the teeth of the gear-cutting tool is 2-20. Before and after each pass of the teeth of the gear-cutting tool through the tooth gaps of the workpiece, the thickness maximum of each tooth of the gear-cutting tool is positioned outside the gearing of the workpiece.

Abstract: An expansion tool includes a housing, a collar rotatably coupled to the housing, a plurality of jaws coupled for co-rotation with the collar, a mandrel movable relative to the housing between a retracted position and an extended position to expand the jaws, and a drive mechanism including a rotatable cam. Rotation of the cam moves the mandrel between the retracted position and the extended position. The expansion tool further includes an indexing gear configured to incrementally receive torque from the drive mechanism such that continuous rotation of the drive mechanism incrementally rotates the indexing gear, and a clutch assembly including a clutch gear meshed with the indexing gear, a clutch cover surrounding the clutch gear, and a plurality of rolling elements disposed between the clutch gear and the clutch cover. The clutch cover is drivably coupled to the collar such that rotation of the clutch cover rotates the collar.

Abstract: An apparatus for mounting within a vehicle, an object having at least one receptacle in a first main surface. The apparatus comprises a base having a mounting surface. A latch and a frame are movable between latched and unlatched positions and are biased toward the latched position by a first biasing element. One or more push buttons are movable between extended and depressed positions and are biased toward the extended position by a second biasing element. A lower portion of the push button blocks and allows movement of the frame toward the latched position when the push button is in the extended and depressed position, respectively. The first main surface pushes the push button to the depressed position, thereby enabling the first biasing element to move the latch and the frame to the latched position, in which the latch engages with the at least one receptacle.

Abstract: The present rivet invention has a main body comprising a first end and a second end opposite to the first end, wherein the main body further comprises a lateral wall disposed at the second end and circumferentially extending around the main body; and a core part disposed at the second end of the main body and contained inside the lateral wall of the main body, wherein the core part has an end surface for pressing against at least an end surface of one of the work pieces when the rivet is being operated to rivet the work pieces, to allow materials of the work pieces flow outwardly of the core part. An accommodation space is formed between the core part and the lateral wall to receive materials of the work pieces flowing into the space and deform outwardly at least a portion of the lateral wall of the main body.

Abstract: According to a first aspect of the invention there as provided a method of forming a riveted joint comprising a UHSS layer and a non-UHSS layer using a self-piercing rivet comprising a head and a shank, an outer diameter of a top of the shank being greater than an outer diameter of a bottom of the shank before insertion of the rivet, the method comprising pushing the self-piercing rivet into the UHSS layer such that the lower portion of the shank flares outwards and cuts a slug from the UHSS, and pushing the flared shank of the self-piercing rivet and the slug into the non-UHSS layer such that the non-UHSS layer deforms into a die recess and flows around an outer surface of the flared shank.

Abstract: Provided is a swaging device including: an upper anvil that is disposed in a state in which the upper anvil faces an end surface of a head of a rivet; a lower anvil that is disposed in a state in which the lower anvil faces an end surface of a shaft portion of the rivet; and a pressurizing mechanism that generates a pressurizing force of causing a distance between the upper anvil and the lower anvil along an axial line to decrease and plastically deforms the rivet, in which an end surface of the upper anvil includes a bottom surface that perpendicularly intersects the axial line X and a support surface that has a projecting length in a direction of the axial line with respect to the bottom surface gradually increasing from an inner circumferential side toward an outer circumferential side in the radial direction formed therein, and an inclination angle of the support surface is smaller than an inclination angle of the inclined surface of the rivet by a predetermined angle.

Abstract: A pressure measuring device for a scale model for elastic similar structure of a wing in a large transport plane adopts a bracket for pressure measuring steel pipes formed by 3D printing, shapes of an upper surface and an lower surface of the bracket are completely the same as local airfoile profiles of a skin at required pressure measuring positions, and the upper surface and the lower surface of the bracket are bonded to the skin and wing beams; a pressure measuring hose is connected with the pressure measuring steel pipe, and the pressure measuring steel pipe is embedded into the bracket and fixed to it; the upper surface and the lower surface of the bracket are provided with semi-cylindrical convex structures; and the pressure measuring steel pipe extends out of the pressure measuring hole in the surface of the skin for pressure measuring steel pipe in the bracket.

Abstract: Systems, methods and containers for forming a beverage. A beverage container includes an enclosure arranged with a movable element that is movable to pierce a membrane and permit beverage material in the container to exit. The movable element can also be moveable to permit pressurized gas entry into the container and through the membrane. Gas can be introduced into the container to force beverage material to exit the container. A gas inlet port can be provided with the enclosure and arranged to mate with a gas source of a beverage machine.

Abstract: A joint structure installed in the physical structure is provided. The joint structure includes a first latching member and a second latching member. The first latching member includes a first main body, a head portion extending from the first main body and a first convex portion extending from the first main body. The second latching member includes a second main body, a second convex portion extending from the second main body and a third convex portion extending from the second main body. When the first latching member and the second latching member are in an assembling status, the first convex portion slides between the second convex portion and the third convex portion.

Abstract: Systems and methods for moving a vehicle component relative to the vehicle, the system including first and second upwardly-extending supports; a lift frame between the first and second supports including a crossbeam, and a pair of cambered truss assemblies secured to the crossbeam and configured to be attached to the vehicle component; movable first and second crossbeam support assemblies on the first and second supports to support the rotation of the crossbeam; a first lift mechanism configured to move the first crossbeam support assembly along the first support in response to a first control signal; a rotational drive mechanism configured to rotate the crossbeam relative to the first and second crossbeam support assemblies in response to a second control signal; and an electronic controller configured to generate the first and second control signals to change the position of the vehicle component relative to the vehicle.

Abstract: The invention relates to a device for inserting a first ram (1) or a second ram (2) in an alternating manner into a ram feeder (3) of a device for inserting stripping pins and stripping claws into a stripping tool, wherein the first ram (1) and the second ram (2) are mounted on a retaining plate (6) so as to be moveable in a first movement direction (4), wherein the ram feeder (3) can be moved in a second movement direction (5), and wherein the first movement direction (4) is orthogonal to the second movement direction (5).

Abstract: A service apparatus for use in maintaining a machine including a stator and a rotor is provided. The service apparatus includes a carriage assembly configured to couple to the rotor. The service apparatus is selectively transitionable between a stowed position in which the service apparatus is rotatable with the rotor and an extended position in which the service apparatus is extended toward the stator. The service apparatus also includes at least one maintenance device coupled to the carriage assembly. The at least one maintenance device is operable to perform a maintenance operation on a surface of the stator with the service apparatus in the extended position.

Abstract: A method for manufacturing furniture using extruded polymeric honeycomb profiles, capable of providing the market with a sustainable product which can be exposed to moisture. The method includes three polymeric extruded honeycomb profiles, the extruded profile being fitted to the profile by inserting the flanges into the angled conformation, being anchored by the contact of the external flexible flaps with the flexible flaps. The union of profiles and provides an intermediate fitting allowing fixating the shelves, for example, being anchored by inserting the appendage into the angled conformations, fixating them through contact of the flexible external flanges with the external flexible flaps, allowing the formation of a three-part conjugation, being one profile and two profiles. The method allows the union of two profiles through the union of the external flexible flaps of the appendage, anchored to the internal flexible flaps of the flanges.

Abstract: Methods involving adding a removable fixating material to a partially manufactured workpiece to stabilize a plurality of partially formed objects therein for subsequent manufacturing. In one example, a workpiece of interconnected structures is manufactured comprising precursors to the discrete objects as a function of a workpiece computer model. Manufacturing the workpiece further includes forming valleys between adjacent partially formed objects so that interconnecting portions remain to interconnect the partially formed objects. Further, the methods include removing the interconnecting portions so as to liberate the plurality of objects from one another. In some embodiments, a temporary frame is formed from the workpiece along with the plurality of objects during manufacturing.

Abstract: A toe link support is disclosed. In a first aspect, the toe link aperture of a hub has been bored out to receive inner and outer spacers. The spacers have bolt holes through which a toe link bolt is inserted to secure a toe link to the hub. The bolt is secured by a nut. The spacers protect the hub from damage by the bolt, and vice versa, resulting from motion of the toe link. In a second aspect, the outer spacer is further configured to be inserted into the bolt hole of the toe link, further protecting the bolt from damage. A method of supporting a toe link is also disclosed.

Abstract: Positioning system and method for positioning engine components on an aircraft, the system including a moveable support for the engine component, a laser assembly, and a system controller. First and second lasers of the laser assembly align their respective beams with an engine target position on the aircraft and provide an indication of a first angle of the first laser beam to a reference line, and an indication of a second angle of the second laser beam to the reference line; and the system controller is configured to rotate the moveable support to rotationally position the engine component, determine the vertical distance between the engine component and the target position based at least in part on the first and second angles, and to control a lift mechanism to reduce the vertical distance between the engine component and the engine.

Abstract: A preparation method of a uniform low stress cone shaped charge liner includes the steps of multi-pass extrusion forming, vibration aging treatment, and cryogenic treatment. The step of multi-pass extrusion forming refers to 4 to 8 passes of extrusion deformation under the actions of a three-dimensional compressive stress and a deformation rate of 5 to 10 mm/s, having a deformation amount of 5 to 50% for each pass. The shaped charge liner prepared by the present invention has high dimensional accuracy, good geometric symmetry, low stress value, and excellent stability in the precise machining process and in use, which may significantly improve the penetration capability and stability of the shaped charge liner of high-explosive anti-tank warheads.

Abstract: A machining method for forming an opening through a workpiece, serving as a green compact, by moving a milling tool in a radial direction relative to the workpiece is provided. The milling tool includes a first milling tool and a second milling tool. The method includes a pre-machining step of using the first milling tool, and forming the first sidewall surface by rotating the first milling tool so as to cause cutting edges of the first milling tool to cut the workpiece from the acute angle corner to the obtuse angle corner, while leaving a cutting allowance on the second sidewall surface; and a post-machining step of using the second milling tool whose cutting edges are reversed from the cutting edges of the first milling tool, and forming the second sidewall surface by rotating the second milling tool so as to cause the cutting edges of the second milling tool to cut the cutting allowance from the acute angle corner to the obtuse angle corner.

Abstract: A method for continuous generating grinding of at least two gear workpieces with a topologically modified grinding worm comprising a topologically modified worm region to grind tooth flanks which are topologically modified on the gear workpieces, wherein the method comprises at least the following steps: a) providing a first gear workpiece, b) performing a topological generating grinding operation by carrying out relative movements between the first gear workpiece and the grinding worm, which comprises a relative feed movement, a relative axial feed which occurs parallel or obliquely to the tool rotation axis, and a relative shift movement, c) providing the second gear workpiece, d) performing a relative jumping motion extending substantially parallel or obliquely to the tool rotation axis between the second gear workpiece and the grinding worm, e) repeating step b) for the second gear workpiece.