Abstract: A planet pin includes a center axis and an outer contour that runs at a distance r(x) from the center axis. The distance r(x) is dependent on an axial position x in at least one longitudinal portion. For at least one axial position interval [x1, x2], the distance r(x), for all x?[x1, x2], of the outer contour from the center axis is r(x)=l(x)+g(x)+o(x), where l(x) is a linear function, g is constantly zero or convex on the interval [x1, x2], and o(x0)=0 applies for at least one x0?]x1, x2[. The function o is concave on the interval [x1, x0], convex on the interval [x0, x2], and decreasing in x0.

Abstract: A planet pin includes a center axis and an outer contour that runs at a distance r(x) from the center axis. The distance r(x) is dependent on an axial position x in at least one longitudinal portion. For at least one axial position interval [x1, x2], the distance r(x), for all x ? [x1, x2], of the outer contour from the center axis is r(x)=l(x)+g(x)+o(x), where l(x) is a linear function, g is constantly zero or convex on the interval [x1, x2], and o(x0)=0 applies for at least one x0 ? ]x1, x2[. The function o is concave on the interval [x1, x0], convex on the interval [x0, x2], and decreasing in x0.

Abstract: A transmission shaft (1), designed particularly for a wind turbine, which is mounted by way of a fixed bearing (2, 3) and at least one floating bearing (4). At least one gearwheel (5) is fixed onto the transmission shaft (1) and positioned in the axial direction between the fixed bearing (2, 3) and the floating bearing (4). The fixed bearing (2, 3) is formed by at least one roller bearing and the floating bearing (4) is in the form of at least one slide bearing.

Abstract: An arrangement includes a friction-bearing supported first gear with a pitch diameter d1 and a friction-bearing supported second gear with a pitch diameter d2. The first gear and the second gear intermesh with each other, and a distance a between an axis of rotation of the first gear and an axis of rotation of the second gear increase during operation by up to ?awear. A nominal dimension Na is provided for the distance a, wherein Na=(d1+d2??awear)/2.

Abstract: The invention relates to a test bench (201, 1201) for toothings, comprising a sample receiver (209, 1211) and a first load generator (213, 1203, 1205), said first load generator (213, 1203, 1205) comprising at least one head (215, 1207). The sample receiver (209, 1211) is designed to receive at least one section (205) of a tooth sample (203) separated from the toothing of a gear wheel (101), said tooth sample (203) comprising a tooth of the gear wheel (101), and the head (215, 1207) lying against a flank (207) of the tooth and applying a load to said flank (207).

Abstract: A toothing test stand includes a sample holder and a load generator. The load generator has at least one head, and the sample holder is designed to hold at least one part of a single tooth sample separated from toothing of a gear wheel. The tooth sample comprises a tooth of the gear wheel, and the head of the load generator bears against a flank of the tooth and applies a load to the flank. The head of the load generator is rotatably mounted, and an axis of rotation of the head of the load generator, starting from a course that runs parallel to a flank line of the flank of the tooth, rotates about a surface normal of a contact surface of the head of the load generator and the flank of the tooth.

Abstract: A lubrication conducting element has first and second side parts, each of which creates a sealing lip. The first side part extends to the intermediate part and the second side part extends to the intermediate part. The first and second side parts and the intermediate part form a first cavity with a first opening. Third and fourth side parts each creates a sealing lip. The third side part extends to the intermediate part and the fourth side part extends to the intermediate part. The third and fourth side parts and the intermediate part form a second cavity with a second opening. A hole in the intermediate part facilitates lubrication flow between the first and second cavities. The side parts, the sealing lips, the intermediate part, the cavities and the openings extend rotationally symmetric around a common symmetric axis.

Abstract: A method for protecting transmissions against damage during transport, in that at least one transmission component located in the force flow is braced in itself. Thereafter, transporting the transmission to a desired site and then removing the brace to free the drive input and the drive output shafts.

Abstract: A method for producing a metallic component, The method includes the method steps of first machining (103) the component and thereafter cooling (105) the component from a first temperature down to a lower second temperature. The cooling (105) occurs after the machining (103) of the component.

Abstract: A planetary gear (101) with a first set of teeth (107) and a second set of teeth (109). The planetary gear comprises two components, namely, a first component (103) and a second component (105). The first component (103) includes the first teeth (107) and the second component (105) includes the second teeth (109). The planetary gear has a first spline connection and a second spline connection (111). The first component (103) includes the first spline connection while the second component (105) includes the second spline connection (111). The second spline connection (111) can be pushed over the first spline connection in such manner that the first spline connection and the second spline connection (111) engage with one another in an interlocking manner.

Abstract: A planetary transmission, for a wind turbine, having at least one of each of a planetary gearwheel, a shaft and a carrier. The planetary gearwheel is mounted by at least first and second bearings for rotation on the shaft. The first bearing supports the gearwheel against displacement in a first axial direction while the second bearing supports the gearwheel against displacement in a second axial direction, opposite to the first direction. The planetary transmission includes elements for supporting inner rings of the first and the second bearings against respective displacement in the first and the second directions, and an element for supporting the shaft on the carrier against displacement of the shaft in the first direction. The elements for supporting the shaft on the carrier are arranged so that the first and the second bearings cannot be in a load path between the planetary shaft and the carrier.

Abstract: A lubrication conducting element has first and second side parts, each of which creates a sealing lip. The first side part extends to the intermediate part and the second side part extends to the intermediate part. The first and second side parts and the intermediate part form a first cavity with a first opening. Third and fourth side parts each creates a sealing lip. The third side part extends to the intermediate part and the fourth side part extends to the intermediate part. The third and fourth side parts and the intermediate part form a second cavity with a second opening. A hole in the intermediate part facilitates lubrication flow between the first and second cavities. The side parts, the sealing lips, the intermediate part, the cavities and the openings extend rotationally symmetric around a common symmetric axis.

Abstract: A transmission shaft (1), designed particularly for a wind turbine, which is mounted by way of a fixed bearing (2, 3) and at least one floating bearing (4). At least one gearwheel (5) is fixed onto the transmission shaft (1) and positioned in the axial direction between the fixed bearing (2, 3) and the floating bearing (4). The fixed bearing (2, 3) is formed by at least one roller bearing and the floating bearing (4) is in the form of at least one slide bearing.

Abstract: A method for lubricating a gearbox of a wind turbine. The gearbox comprises a plurality of gears and shafts supported by bearings of which at least one bearing is a plain bearing. The gearbox furthermore comprises a lubrication system with both a mechanical pump and an electrical pump for feeding the gears and bearings with lubricant, wherein a difference between a volume capacity of the mechanical and electrical pump is a maximum 40%. The method comprises the step of controlling at least one valve, during start-up of the gearbox, and feeding lubricant to the bearings via the electrical pump; feeding lubricant to the bearings and the gears, during normal operation of the gearbox, via the electrical pump and the mechanical pump; and feeding lubricant only the bearings, during the absence of electrical power supply, via the mechanical pump.

Abstract: A planetary gear stage for a gearbox has a ring gear, a sun gear and a planet carrier for driving planet shafts. Each planet shaft has a planet gear with radial and axial contact surfaces and which is rotatably supported by a plain bearing arrangement. The bearing arrangement has two bushings fixed to the planet shaft. Each bushing is L-shaped in cross-section and has radial and axial contact surfaces. The bushings form a cross-sectional U-shape and are axially locked by abutments. At least part of the planet gear is located within the U-shape formed by the bushings. The plain bearing arrangement has a radial sliding support arranged between the radial contact surface of the bushings and the radial contact surface of the planet gear and an axial sliding support arranged between the axial contact surface of the bushings and the axial contact surface of the planet gears.

Abstract: A rolling-element bearing for a gearing. The rolling-element bearing includes an inner bearing race (13), an outer bearing race (14), and at least one rolling element (15). The rolling-element bearing has a sensor (19) which is rigidly arranged in relation to a gearing part or a part of the rolling-element bearing. The rolling element includes a depth deviation (16), on at least one lateral surface (17), and the depth deviation is designed in such a way that the lateral surface of the rolling element has at least two different depths along a circular path about an axis of rotation of the rolling element and the sensor is positioned in order to detect the depth deviation.

Abstract: A method for protecting transmissions against damage during transport, in that at least one transmission component located in the force flow is braced in itself. Thereafter, transporting the transmission to a desired site and then removing the brace to free the drive input and the drive output shafts.

Abstract: A method for lubricating a gearbox of a wind turbine. The gearbox comprises a plurality of gears and shafts supported by bearings of which at least one bearing is a plain bearing. The gearbox furthermore comprises a lubrication system with both a mechanical pump and an electrical pump for feeding the gears and bearings with lubricant, wherein a difference between a volume capacity of the mechanical and electrical pump is a maximum 40%. The method comprises the step of controlling at least one valve, during start-up of the gearbox, and feeding lubricant to the bearings via the electrical pump; feeding lubricant to the bearings and the gears, during normal operation of the gearbox, via the electrical pump and the mechanical pump; and feeding lubricant only the bearings, during the absence of electrical power supply, via the mechanical pump.

Abstract: A planetary gear stage for a gearbox has a ring gear, a sun gear and a planet carrier for driving planet shafts. Each planet shaft has a planet gear with radial and axial contact surfaces and which is rotatably supported by a plain bearing arrangement. The bearing arrangement has two bushings fixed to the planet shaft. Each bushing is L-shaped in cross-section and has radial and axial contact surfaces. The bushings form a cross-sectional U-shape and are axially locked by abutments. At least part of the planet gear is located within the U-shape formed by the bushings. The plain bearing arrangement has a radial sliding support arranged between the radial contact surface of the bushings and the radial contact surface of the planet gear and an axial sliding support arranged between the axial contact surface of the bushings and the axial contact surface of the planet gears.

Abstract: A structural connector for providing a structural interconnection between the housing of a gear unit and the housing of an electric motor, the structural connector being of a modular type including a base member adapted for connection to at least one of the housing of an electric motor and the housing of a gear unit, and at least two side wall members, the side wall members having a motor end adapted for connection to one of an electric motor housing and the base member and a gear end adapted for connection to a gear unit housing, the side wall members lying at least in substantial part in a plane inclined at an angle of at least 60 degrees relative to a plane containing at least a part of the base member, and the side wall members being spaced apart by connection to an interposed housing.