Abstract: A core disc or a laminated core having at least two core discs for a rotor of an electric motor may include an inner lateral surface and at least one radial recess for receiving adhesive arranged on the inner lateral surface.

Abstract: A camshaft arrangement includes an adjustable camshaft and an adjuster for adjusting the camshaft. The adjustable camshaft includes an outer shaft and an inner shaft arranged rotatably in the outer shaft. The adjuster includes a stator connected with the outer shaft in a rotationally fixed manner, and a rotor connected in a rotationally fixed inner with the inner shaft via an axially inserted coupling. A bush is connected with the rotor in a rotationally fixed manner and has at least one channel for supplying a lubricant. The bush has on a face side that axially faces the inner shaft a form that together with a counter-form on the inner shaft provides the axially inserted coupling.

Abstract: A method for installing an adjustable camshaft may include inserting an adjustable camshaft in an installation device. The camshaft may include an outer shaft surrounding an inner shaft. The installation device may enable alignment of at least one cam rotatably mounted on the outer shaft. The method may include aligning the at least one cam by pushing an alignment pin through a radial passthrough opening in the at least one cam and through a drillhole in the inner shaft congruent therewith. The method may include non-rotatably connecting the at least one cam to the inner shaft by pushing a connecting pin into the passthrough opening and the drillhole in a direction opposite a direction the alignment pin was pushed. Non-rotatably connecting the at least one cam to the inner shaft may include detachably coupling the connecting pin and the alignment pin in a positive locking manner.

Abstract: A device for assembling cams on a camshaft pipe of a camshaft may include a first gripper and a second gripper each configured for gripping and holding a respective cam. The first gripper and the second gripper may receive the respective cam in a common direction and may be movable in a common direction into alignment with respect to the camshaft pipe. The second gripper may be configured to grip and hold the respective cam that is pivoted by 90° with respect to an orientation of the respective cam in the first gripper.

Abstract: A method and device for assembling a composite housing fitted with a shaft and at least one associated mounted element are disclosed. The method may include the steps of: arranging the housing in a predetermined position with respect to an actuator; arranging the shaft in a predetermined position with respect to the housing and the actuator; selecting a mounting element to be mounted on the shaft; conveying the mounting element into a predetermined position within the housing; pushing the shaft via the actuator so that the shaft passes successively through an opening of the housing and an opening of the mounting element; and positioning the mounting element in a position adjacent to a heat source for a predetermined duration after the step of selecting the mounting element and prior to conveying the mounting element.

Abstract: An adjustable camshaft may have an inner shaft and an outer shaft arranged coaxially thereto, the outer shaft having a recess, and the inner shaft having a recess open towards the outer shaft. The camshaft may also include a first cam connected to the inner shaft in a torque-proof manner, and a second cam connected to the outer shaft in a torque-proof manner. The camshaft may further include at least one axial bearing element fixed in the recess of the outer shaft and that engages in the recess of the inner shaft.

Abstract: A device for mounting at least one receiving element on a shaft may include at least one holder for holding a receiving element having a cut-out for receiving a shaft. A moveable guide slide may be configured to move the shaft in a first direction through the cut-out in the receiving element. A tailstock may be configured to move counter to the first direction. The tailstock may include a tailstock tip configured to couple to an end face of the shaft. A vibration generator may be arranged in the tailstock for vibrating the shaft.

Abstract: An adjustable camshaft may include an inner shaft and an outer shaft disposed coaxial therewith. A first cam may be connected non-rotatably to the inner shaft, and a second cam may be connected non-rotatably to the outer shaft. At least two bearing elements may be connected fixedly to the outer shaft. The first cam may be disposed between the at least two bearing elements. The at least two bearing elements may fix the first cam in an axial direction relative to the outer shaft, and the at least two bearing elements via the first cam may fix the inner shaft in the axial direction relative to the outer shaft.

Abstract: A method for installing an adjustable camshaft may include inserting an adjustable camshaft in an installation device. The camshaft may include an outer shaft surrounding an inner shaft. The installation device may enable alignment of at least one cam rotatably mounted on the outer shaft. The method may include aligning the at least one cam by pushing an alignment pin through a radial passthrough opening in the at least one cam and through a drillhole in the inner shaft congruent therewith. The method may include non-rotatably connecting the at least one cam to the inner shaft by pushing a connecting pin into the passthrough opening and the drillhole in a direction opposite a direction the alignment pin was pushed. Non-rotatably connecting the at least one cam to the inner shaft may include detachably coupling the connecting pin and the alignment pin in a positive locking manner.

Abstract: A roller-bearing mounted shaft may include a shaft tube having a shaft outer face with at least one rolling body running face. The shaft tube may have at least one functional element joined thermally thereto, wherein the shaft tube is formed as a welded and drawn tube and includes a carbon content of greater than 0.45 percent by mass.

Abstract: A camshaft for an internal combustion engine may include a shaft and at least one component that is joined to said shaft. The component may be connected via a joint surface of the component to a joint surface of the shaft. At least one of the joint surface of the component and the joint surface of the shaft may have a predefined roughness only partially on load-critical regions.

Abstract: An adjustable camshaft may include an inner shaft and an outer shaft arranged coaxially thereto. The camshaft may also include a camshaft adjuster having a stator connected to the outer shaft in a torque-proof manner, and a rotor connected to the inner shaft. The camshaft may further include an integral first connection contour provided at an end of the inner shaft, and an integral second connection contour complementary to the integral first connection contour and provided on the rotor. The connection contours may directly or indirectly enable an interlocking connection between the inner shaft and the rotor.

Abstract: An adjustable camshaft may have an inner shaft and an outer shaft arranged coaxially thereto, the outer shaft having a recess, and the inner shaft having a recess open towards the outer shaft. The camshaft may also include a first cam connected to the inner shaft in a torque-proof manner, and a second cam connected to the outer shaft in a torque-proof manner. The camshaft may further include at least one axial bearing element fixed in the recess of the outer shaft and that engages in the recess of the inner shaft.

Abstract: An adjustable camshaft may include an inner shaft and an outer shaft disposed coaxial therewith. A first cam may be connected non-rotatably to the inner shaft, and a second cam may be connected non-rotatably to the outer shaft. At least two bearing elements may be connected fixedly to the outer shaft. The first cam may be disposed between the at least two bearing elements. The at least two bearing elements may fix the first cam in an axial direction relative to the outer shaft, and the at least two bearing elements via the first cam may fix the inner shaft in the axial direction relative to the outer shaft.

Abstract: An adjustable camshaft may include an inner shaft and an outer shaft arranged coaxially thereto. The camshaft may also include a camshaft adjuster having a stator connected to the outer shaft in a torque-proof manner, and a rotor connected to the inner shaft. The camshaft may further include an integral first connection contour provided at an end of the inner shaft, and an integral second connection contour complementary to the integral first connection contour and provided on the rotor. The connection contours may directly or indirectly enable an interlocking connection between the inner shaft and the rotor.

Abstract: A bearing frame or cylinder head cover of an internal combustion engine may include at least one camshaft mounted therein. The camshaft may be tunnel-mounted in at least two bearing openings arranged along a bearing channel. The bearing openings may enclose the camshaft. At least one axial bearing disc may be arranged on the camshaft. The bearing frame or cylinder head cover may have at least one recess which is open towards the camshaft. The at least one recess may be configured to circumferentially guide the axial bearing disc via two opposing axial bearing end faces of the axial bearing disc interacting with a side wall region of at least one side wall of the at least one recess, thereby forming an axial bearing for the camshaft.

Abstract: A device for assembling cams on a camshaft pipe of a camshaft may include a first gripper and a second gripper each configured for gripping and holding a respective cam. The first gripper and the second gripper may receive the respective cam in a common direction and may be movable in a common direction into alignment with respect to the camshaft pipe. The second gripper may be configured to grip and hold the respective cam that is pivoted by 90° with respect to an orientation of the respective cam in the first gripper.

Abstract: A bearing frame or cylinder head cover of an internal combustion engine may include at least one camshaft mounted therein. The camshaft may be tunnel-mounted in at least two bearing openings arranged along a bearing channel. At least two radial bearings may be arranged on the camshaft, each of the radial bearings having an outer bearing shell. The outer bearing shells of the at least two radial bearings may include different outer diameters, each of the respective outer diameters adapted to be complementary to an inner diameter of the associated bearing opening. The inner diameters of the bearing openings may decrease in a direction of assembly of the camshaft along the bearing channel.

Abstract: A bearing block comprises a camshaft in an internal combustion engine and a valve drive. The valve drive may include at least one rocker arm mounted on a rocker arm shaft, wherein the bearing block is formed concurrently with the mounting of the at least one rocker arm.

Abstract: A method and device for assembling a composite housing fitted with a shaft and at least one associated mounted element are disclosed. The method may include the steps of: arranging the housing in a predetermined position with respect to an actuator; arranging the shaft in a predetermined position with respect to the housing and the actuator; selecting a mounting element to be mounted on the shaft; conveying the mounting element into a predetermined position within the housing; pushing the shaft via the actuator so that the shaft passes successively through an opening of the housing and an opening of the mounting element; and positioning the mounting element in a position adjacent to a heat source for a predetermined duration after the step of selecting the mounting element and prior to conveying the mounting element.