Abstract: An Aluminium alloy composition for a sliding element may include: 4 wt % to 8 wt % of Tin; 4 wt % to 8 wt % of Silicon; 0.4 wt % to 1.7 wt % of Copper; and 0.1 wt % to 1 wt % of Manganese. The composition may also include at least one of: 0.4 wt % to 2.0 wt % of Nickel; 0.01 wt % to 0.3 wt % of Zirconium; 0.05 wt % to 0.3 wt % of Vanadium; 0.05 wt % to 0.5 wt % of Scandium; and 0.05 wt % to 1 wt % of Erbium. The composition may also include at least one of: 0.005 wt % to 0.2 wt % of Titanium; 0.003 wt % to 0.2 wt % of Strontium; 0.005 wt % to 0.5 wt % of Antimony; 0.005 wt % to 0.1 wt % of Europium; and 0.001 wt % to 0.02 wt % of Carbon. The balance of the composition, apart from any incidental impurities, may be Aluminium.

Abstract: This sliding bearing comprises a pair of semicircular half bearings formed into a cylindrical shape by bringing both circumferential ends thereof into contact with each other. The axial width of the half bearings is narrower in both circumferential ends and the circumferential center, and wider in the quarter parts located therebetween. During manufacturing of the half bearings, finishing by cutting processing is first performed on the parts of a flat-plate material which after formation are to become the two axial-direction end faces and the two circumferential-direction end faces of the half bearings, and thereafter, the flat-plate material is deformed into a semicircle.

Abstract: A method for manufacturing a three-dimensional shaped object wherein the warping of the base plate is suitably addressed. The method of the present invention comprises: (i) forming a solidified layer by irradiating a predetermined portion of a powder layer on a base plate with a light beam, thereby allowing sintering of the powder of the predetermined portion or melting and subsequent solidification thereof; and (ii) forming another solidified layer by newly forming a powder layer on the resulting solidified layer, and then irradiating another predetermined portion of the new powder layer with the light beam, the steps (i) and (ii) being repeatedly performed; wherein, prior to or upon the manufacturing of the three-dimensional shaped object, the base plate is subjected to a heat treatment, thereby causing the base plate to be warped, and at least a lower surface of the warped base plate is subjected to a flattening process.

Abstract: Disclosed is a sliding bearing having a cylindrical shape, including: a Fe alloy back metal layer on an outside diameter side of the cylindrical shape and a sliding layer on an inside diameter side; and a first and second circumferential direction end surfaces, the first and the second circumferential direction end surfaces facing each other, a plurality of hardened convex portions projecting toward the second circumferential direction end surface being formed on the first circumferential direction end surface, a plurality of hardened concave portions corresponding to the plurality of hardened convex portions being formed on the second circumferential direction end surface, a first hardened area being formed on each of the hardened convex portions of the first circumferential direction end surface and its vicinity, and a second hardened area being formed on each of the hardened concave portions of the second circumferential direction end surface and its vicinity.

Abstract: A solar energy collection system can include support devices made with bearings. Such bearings can include an inner partially toroidal surface for sliding contact and support of an outer surface of a torque tube. The toroidal surface can be made with a single radius of curvature or multiple radiuses of curvature and cylindrical portions. The bearings can include connectors for connecting the bearing members to a support housing. The connectors can be tool-less connectors.

Abstract: Disclosed is a bearing device including: a bearing housing made of an Al alloy and having a bearing holding hole; a sliding bearing having a cylindrical shape and forced into the bearing holding hole; and a shaft supported with an inner circumferential surface of the sliding bearing, wherein in the sliding bearing to be forced into, a plurality of hardened convex portions projecting toward the second circumferential direction end surface being formed on the first circumferential direction end surface, a plurality of hardened concave portions corresponding to the plurality of hardened convex portions being formed on the second circumferential direction end surface, a first hardened area being formed on each of the hardened convex portions of the first circumferential direction end surface and its vicinity, and a second hardened area being formed on each of the hardened concave portions of the second circumferential direction end surface and its vicinity.

Abstract: According to the manufacturing method of a bearing which is a sliding member, a bimetal sintered alloy is formed by sintering a metal powder on a surface of a back metal which is a plate shaped metal member to form a sintered layer. In addition, following this, the sintered alloy is molded as a cylindrical bush and the bush undergoes a heat treatment. Following this, the bearing is formed by press-fitting the bush into a collar which is a cylindrical metal member.

Abstract: A method of manufacturing a furcated composite post (1) comprising at least two strips (7, 8) that are joined together along their length in a furcated manner. The method comprises the steps of feeding one or more of the strips (7, 8) at a set rate to working rolls of a roll mill for profile rolling to a desired cross section/profile, feeding the strips (7, 8) at the same set rate to positioning rolls for holding the strips (7, 8) in a correct orientation for joining, and joining the strips together, preferably by welding the strips (7, 8) along their length.

Abstract: In a method for manufacturing internally and/or externally profiled rings from pipe material or solid material, machine-cutting processes and forming processes are combined with one another sequentially, parallel, or sequentially and parallel, wherein one of the forming processes is roll forming. During roll forming a counterforce is generated relative to a flow direction of the starting material so that a material flow in at least one of an axial direction and a radial direction of the starting material is controlled such that flowing material is integrated into a profile to be shaped on the ring.

Abstract: A method of manufacturing an outer retainer for a one-way clutch having an outward flange at one side edge thereof involves punching out a part of an annular portion having the outward flange by sliding a punch toward an axis of the outer retainer substantially in an axially inner direction from a retainer outer periphery-sided curve portion of the outward flange to a retainer inner periphery-sided curve portion thereof in a way that uses a die and the punch.

Abstract: A screw device manufacturing method ensures high productivity and adequate nut strength. The disclosed screw shaft manufacturing method includes: a groove forming step of forming a loaded ball rolling groove in a flat plate; and a nut forming step of bending the flat plate into a ring to form a nut. As the groove forming step of forming of the loaded ball rolling in the flat plate is followed by the nut forming step of bending the flat plate into a ring, sufficient strength of the nut can be easily achieved. Besides, a high compression stress is left in the loaded ball rolling groove in the inner surface of the nut.

Abstract: The invention relates to a method and a device for producing a split bearing arrangement, in which a top bearing part (6) is separated in several machining stations from a basic bearing part (5) that is monolithically joined thereto via a severing breaking process on a predefined plane of breakage (10) by applying a certain force, whereupon the two parts are joined back together by means of a screw connection comprising at least two screws. The basic bearing part (5) and the top bearing part (6) are fixed on an adapter device (1) that is conveyed from one machining station to another while the top bearing part is retained at least during some processes in the machining stations via a retractable auxiliary support (13) which is disposed on the adapter device and catches the top bearing part outside the area of the screw connection.

Abstract: A cup bearing includes a cylindrical component having first and second axial ends and defining a lumen therethrough. The cylindrical component includes first and second end portions proximal to the first and second axial ends, respectively. The cylindrical component includes a corrugated portion disposed axially between the first and second end portions. The corrugated portion includes a plurality of corrugations extending radially inwardly. A corrugation of the plurality of corrugations includes a ridge defining a first inner radius of the lumen. The cup bearing further includes a first radial stop associated with the first end portion. The first radial stop defines a second inner radius greater than the first inner radius. The cup bearing also includes an end cap coupled to the second axial end of the cylindrical component.

Abstract: A lined and flanged bush and method of manufacturing the same comprising: providing a liner having an aperture; locating the aperture in the liner around the spigot such that the liner lies on the surface; and stamping out the blank around the spigot to provide a lined and flanged bush.

Abstract: The invention relates to a method of producing a plain bearing bush or bearing shell of varying width from a flat strip material, which comprises the following steps: incorporating grooves in the flat strip material along the bush or bearing-shell contour, rolling or bending the flat strip material into a bush or bearing-shell shape, mechanical severing of the excess marginal regions along the grooves, obtaining a finished plain bearing bush or bearing shell which has the final shape. In this case, the invention is based on the idea of producing trapezoidal or stepped bushes as “shaped bushes” from strip material. The starting point in this case may be a strip of rectangular cross section, which is normally used for cylindrical bushes. The grooves can be incorporated in the flat strip material.

Abstract: The invention relates to a method for the production of a flange sleeve (10) especially for a sliding bearing. A strip of material is cut into lengths corresponding to the later periphery of the flange sleeve. The strip section (14) thus arising is rolled to form a hollow cylindrical sleeve with an open butt joint (12) and a collar (20) is placed around one or two sides. The open butt joint is expanded in the region of the collar to form a V-shaped slit. One or several recesses (18a, 18b) are made in the region of the later open butt joint (12) on one or two of the longitudinal edges (16) of the strip section.

Abstract: A lined and flanged bush and method of manufacturing the same comprising: providing a liner having an aperture; locating the aperture in the liner around the spigot such that the liner lies on the surface; and stamping out the blank around the spigot to provide a lined and flanged bush.

Abstract: A bushing utilizes a fabric reinforced thermoset composite sleeve incorporated within an outer shell in a construction enabling the sleeve to be press-fitted within the shell and held therein by a constriction in the shell bore which is embraced by the bearing liner. Following installation of the bearing sleeve, the sleeve bore may be reamed to provide a uniform inside diameter.

Abstract: A lead-free bearing includes a bronze matrix powder metal bearing layer bonded to a steel backing a fully densified. The bearing material has about 8 to 12% by weight tin, about 1 to less than 5% by weight bismuth, and about 0.03 to 0.08% by weight phosphorus, with the balance being copper. The tin is soluable in the copper to yield the bronze matrix, and the bismuth exists as finely dispersed, undissolved islands through the matrix. Such bearings exhibit physical properties comparable to or better than those of traditional bronze-lead bearings and improved wear in seizure properties.

Abstract: By press-fitting a cylindrical blank into a die with one of a pair of punches, and at the same time press-fitting small diameter end portions and tapered portions of the pair of punches into both ends of the cylindrical blank while restraining both end surfaces of the blank with cylindrical members movable on the outsides of the punches, the external circumferential surface of the blank is finish molded to the required diameter by the internal circumferential surface of the die and, at the same time, tapered surfaces are formed on the inner circumferential surface in both ends of the blank. The process produces a bushing with its internal surfaces accurately coaxial, and with the external surface accurately formed to the required diameter.

Abstract: A compression limiter formed by a roll forming process includes a substantially cylindrical body portion and a plurality of feet. A plurality of notches are stamped along a lower edge of a flat sheet of stock and bent to form the plurality of feet. The flat sheet of stock is then rolled to form the compression limiter. In the preferred embodiment, the compression limiter is formed of a high carbon steel. The plurality of feet of the compression limiter transmit the bolt load of a fastener attaching a plastic intake manifold to a component. In an alternative embodiment, an angled portion attaches each foot to the body of the compression limiter which accommodates for variations in the height of the plastic intake manifold.

Abstract: There is provided a method of working a plain bearing and a working apparatus of the plain bearing, which make it easy to perform working by forming a plurality of inclined surfaces of different angles in portions on both sides of the inner peripheral surface of the bearing alloy metal of the plain bearing in the axial direction thereof. In the working method and apparatus, a working holder 18 is provided which has a groove 20 extending on the inner peripheral surface in the peripheral direction and portions on both sides of the groove in the transverse direction formed in step-like shape, a half bearing 11 is housed in the working holder 18, and both ends of the half bearing 11 in the peripheral direction are pressed by use of pressing means 24. Then, the half bearing undergoes plastic deformation so as to be fitted into the groove and both sides of the half bearing in the axial direction thereof come into abutment with the edges 22, 23 of the step-like portions and are deformed in a polygonal line form.

Abstract: The hydrostatic fluid bearing comprises a cylindrical stator having orifices for introducing a fluid under pressure, on its inside surface the stator has a split ring constituted by an assembly comprising a plane metal plate and a layer of self-lubricating composite material. The layer of composite material has cells for surrounding orifices for introducing fluid under pressure, once the assembly has been put into place inside the stator.

Abstract: A method for producing flanged bearings is described in which the blank (10) is punched out, forming at least two extension and holding portions (9, 9′), by means of which the blank (10) remains connected with the strip or the neighbouring blank during shaping. The flanged bearing is separated from the extension and holding portions (9, 9′) once shaping is complete. A device for shaping blanks is also described, which comprises a die and a die barrel, as well as on each side a slide displaceable for the purpose of forming the flange.

Abstract: A method of making a spherical bearing including the steps of forming an outer bearing member with an inner concave spherical bearing surface, forming a second member with an outer convex spherical bearing surface, cutting the second member along a diametric plane to provide first and second inner bearing segments respectively including first and second outer spherical bearing surface segments, inserting the first inner bearing segment within the outer bearing member so as to fully engage the first outer spherical bearing surface segment with the inner concave spherical bearing surface, and inserting the second inner bearing segment within the outer bearing member so as to fully engage the second outer spherical bearing surface segment with the inner concave spherical bearing surface.