Abstract: The invention relates to a method for producing a metal base material that is provided with a sliding layer that has a thickness of more then 50 ?m, said base material being used as a sliding element. According to the invention, the base material is coated with a paste of the sliding layer material that contains at least one high-temperature polymer in addition to a fluoropolymer, and the base material so coated is subjected to a thermal treatment. The past applied to the base material contains as the fluoropolymer between 40% by volume and 75% by volume polytetrafluorethylene (PTFE) or polytetrafluorethylene (PTFE) with other fluoropolymers added and between 60% by volume and 25% by volume of the at least one high-temperature polymer, each based on the entire composition of the finished sliding layer. The high-temperature polymer used is selected from those high-temperature polymers whose melting pint is not below 327° C.

Abstract: The invention relates to a slide bearing composite material which comprises a support layer from a copper alloy and a bearing coating applied to said support layer. The copper alloy may comprise 0.5 to 5% by weight of nickel, 0.2 to 2.5% by weight of silicon, ?0.1% by weight of lead. The bearing coating can be a galvanic layer, a sputter layer or a plastic layer. The invention also relates to methods of producing such a composite material.

Abstract: A sliding bearing element is characterized in that a bearing material that is bonded to the backing is disposed at least at the edges of the backing in form of wires in the circumferential direction and that a soft material is located at least in a space between said wires. At least one intermediate wire can be disposed between the two edge wires generally running in the circumferential direction. The method comprises the following processing steps: providing a strip of steel or any other material having the required degree of strength which forms the backing of the bearing to be produced, bonding at least one wire at each of the two edges of the backing strip, whereat disposing the wires in such a manner that said wires run in circumferential direction generally, and filling out the spaces between the wires with soft material.

Abstract: The invention relates to the use of lead-free sliding layers in the laminated composite materials for slide bearings or bushes. According to the invention, the laminated composite material comprises a support layer, an antifriction layer (3) produced from a copper alloy or an aluminum alloy, an intermediate nickel layer (2) having a thickness >4 ?m and a sliding layer (1) consisting of approximately 0 to 20% by weight of copper and/or silver and the remainder tin. The sliding layer is electrodeposited from a methlysulfonic acid electrolyte.

Abstract: The invention is a method for the production of a composite multilayer material having a backing layer, a bearing metal layer of a copper alloy or an aluminum alloy, a nickel intermediate layer and an overlay consisting of about 0-20 wt. % copper and about 0-20 wt. % silver, the combined maximum wt. % of copper and silver being about 20 wt. %, the rest being bismuth, and the layer thickness of the nickel layer amounts to more than 4 ?m by electrodeposition, in which the overlay is deposited from methyl sulphonic acid-based electrolyte.

Abstract: The invention relates to a connecting rod-bearing combination comprising a bearing for a small connecting rod eye of a connecting rod which serves to receive a piston pin that supports a piston. The invention also relates to a method for producing a connecting rod-bearing combination of the aforementioned type. The aim of the invention is to be able to exert an influence on the connecting rod-piston combination whereby enabling a fine tuning of the oscillating masses. To this end, the invention provides a connecting rod-bearing combination, which is post-machined in the area of the small connecting rod eye during which material is removed form a mass that corresponds to the difference between the oscillating mass of the connecting rod-bearing combination and a stipulated oscillating mass.

Abstract: A flange sleeve comprising at lest one flange formed thereon, having no gap at the joint or having a controllably adjusted width of the gap at the joint. The flange has two crowding recesses at least in the metal coating thereof in at least two points distributed over the flange in the direction of the periphery. According to the method for producing the flange sleeves, the edge of the flange is bent. At least two crowding recesses in at least two points distributed over the flange in the direction of the periphery are made at least in the metal coating thereof, the recesses preferably being made by bending the edge of the sleeve. The invention also relates to a bending tool and a bending device.

Abstract: The invention relates to a collar bearing split shell, comprising a bearing shell and two thrust washers which are located on said bearing shell. The invention also relates to a collar bearing comprising two collar bearing split shells, each of which has a bearing shell, at least one bearing shell being provided with two thrust washers located on said bearing shell. The invention also relates to a thrust washer for a collar bearing split shell. The aim of the invention is to provide a collar bearing which ensures that the two collar bearing split shells of a collar bearing are essentially flush with each other when installed.

Abstract: A method is described for producing composite multilayer materials which exhibit optimum properties throughout their entire service life. The composite multilayer material comprises a backing layer, a bearing metal layer, an intermediate layer and an electrodeposited overlay, which exhibits a hardness which increases continuously from its surface in the direction of the bearing metal layer. The method provides for the electrodeposition as overlay of a lead-free alloy with at least one hard and one soft component, the current density being modified within the range of from 0.3 to 20 A/dm2 during the deposition process and/or the temperature of the electroplating bath being modified within the range of from 15° C. to 80° C.

Abstract: A multilayer material for sliding elements with a metallic backing layer and a plastics overlay applied thereto achieves good adhesion to the substrate without the disadvantages of known PVDF-based bearing materials. The plastics overlay comprises a PVDF content of 60-95 vol. %, the remainder consisting of PTFE or PTFE and at least one further component with a density of <7 g/cm3. The content of this further component may amount to a maximum of 5 vol. %. The other components comprise fully or partially aromatic polymers such as PI, PAE, polyamides, PPS, PES, PEEK, PSU or polyester, carbon variants such as graphite, carbon black, C fibers or coke, as well as MoS2, BN or CaF2 or CaCo3. The production method consists in scattering a powder mixture of these components onto the metallic backing material and then heating it to above the softening point of the PVDF component to form the plastics overlay, the plastics overlay thereafter being rolled smooth.

Abstract: An overlay material is described which extends the advantages of materials containing PTFE to the extent that they may be more heavily loaded without its being necessary to resort to the use of lead or lead compounds. The overlay material, which may comprise as its matrix material PTFE or PTFE combined with other fluorothermoplastics or a matrix material not comprising PTFE, contains at least one powder-form polyaramid, the content of which, based on the total amount of PTFE or of the mixture of PTFE and the other fluorothermoplastics and the polyaramid, amounts to 10-50 vol. %. A composite multilayer material is also described which comprises an overlay consisting of an overlay material of the above type.

Abstract: A half bearing has a backing member and at least one metallic overlay, which is applied by electron beam vapour deposition and which comprises at least one finely dispersed component in a matrix material, the atomic weight of which component is greater than that of the matrix material, wherein the concentration of the finely dispersed component (7) decreases continuously from the apex area (8) of the half bearing (1) towards the area (9) of the partial surfaces. The method is characterised in that, during the coating process, an inert gas pressure of 0.1 to 5 Pa is set in the apex area of the bearing shell.

Abstract: A lead-free multilayer material for plain bearings and a process for the production of corresponding bearing shells for improved emergency running and mechanical load-carrying capacity characteristics. The multilayer bearing material comprises a lead-free copper alloy having a copper content ranging from 50 to 95 wt. %, and an overlay formed of a lead-free tin and copper having a tin content ranging from 70 to 97 wt. % and a copper content ranging from 3 to 20 wt. %.

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 composite multilayer material and a method for the production thereof are described which are suitable for bearing points subject to mixed friction, said material being corrosion-resistant and cold-formable and capable of withstanding extremely high loads. According to the method, the backing material is preheated to a temperature of 1000° C. to 1100° C., a heterogeneously developing, lead-free copper-zinc- or copper-aluminum-based bearing alloy at a temperature of from 1000° C. to 1250° C. is cast thereon, and the composite multilayer material is cooled from the casting temperature of the bearing alloy to 100° C. within 2 to 4 minutes. A metallurgical bond zone (2) is present between the bearing alloy (3) and the backing material (1), which metallurgical bond zone (2) comprises 80-95% iron and the usual impurities, the rest being copper, and is crystallised in cubic form.

Abstract: A plain bearing overlay (3) of which exhibits properties which are markedly improved with regard to wear resistance in comparison with overlays applied by electroplating and conventional electron beam vapor deposition methods. The surface of the overlay (3) comprises round raised portions (4) and depressed portions (6), wherein, in relation to the horizontal section plane (7), the raised portions (4) cover a proportion of the surface area amounting to 30% to 50%, based on the entire surface area of the plain bearing, the section plane (7) being at a height at which the total proportion of the surface area consisting of the raised portions (4), and obtained in vertical section, is equal to the total corresponding proportion consisting of the depressed portions (6). The round raised portions exhibit a diameter D of 3 to 8 &mgr;m, in plan view, wherein, in the case of raised portions (4) and depressed portions (6) which in plan view are not circular, this value relates to the maximum diameter.