Schaeffler Technologies Ag & Co .kg

Richard Baier

Mario Kreutzer

Paul Heinz

Claus Pfeffer

Thomas Kandler

Rainer Lutz

Herbert Erhardt

Jochen Ott

Anton Erhardt

Peter Loncar

Dieter Eckert

Reinhold Nuetzel

Peter Niebling

Jens Hoppe

Rainer Ottersbach

Dieter Adler

Raphael Fischer

Norbert Radinger

Stefan Konias

Andreas Ziegler

Resat Aras

Manfred Götz

Sergej Mensch

Otmar Weber

Uwe Wunderlich

Andreas Heinz

Markus Oswald

Dirk Holweger

Markus Winkler

Thomas Überall

Harald Hofmann

Bastian Kettler

The disclosure relates to a threaded nut of a ball screw, the threaded nut having an inner sleeve made of sheet metal and an outer sleeve made of sheet metal, which are nested axially in one another to form a nut sleeve. The nut sleeve is provided with a thread, which is formed helically about a longitudinal axis of the threaded nut and which forms, on the inner circumference of the nut sleeve, a ball groove wound helically about the longitudinal axis of the threaded nut and, and on the outer circumference of the nut sleeve, a helically wound outer ridge.

Threaded nut of a ball screw and method for producing same

The disclosure relates to a method for producing a threaded nut of a threaded drive. In a forming process, a sleeve is produced from a steel sheet which is suitable for case-hardening. A flange is integrally formed on the sleeve for welding to a machine part. A welding surface of the flange has a diffusion-inhibiting layer which inhibits the penetration of carbon into the welding surface. The sleeve is case-hardened, and the welding surface is then exposed by removing the diffusion-inhibiting layer. The sleeve can be bonded to a machine part on the exposed welding surface of the sleeve.

Method for producing a threaded nut of a threaded drive, in particular a ball screw nut of a ball screw drive

The disclosure relates to a threaded nut of a ball screw drive. The threaded nut includes an inner sleeve made of sheet metal and an outer sleeve made of sheet metal. The inner and outer sleeves are nested axially in one another to form a nut sleeve. A thread of the nut sleeve is helically wound about a longitudinal axis of the threaded nut and forms a ball groove on the inner circumference of the inner sleeve. The outer sleeve is provided along the thread with at least one outer hole into which material of the inner sleeve is molded.

Threaded nut of a ball screw drive, and method for producing same

A profiled nut () of a screw drive includes a sleeve () produced from sheet steel, has a non-cuttingly formed rolling profile () on the inner circumference for rolling contact with rolling bodies and is hardened in a heat treatment method at least in the region of the rolling profile (). An inner lateral surface of the sleeve () having the rolling profile () is hardened and has a higher Rockwell hardness. An outer lateral surface of the sleeve () is designed such that it can be welded and has a lower Rockwell hardness.

Profiled nut of a screw drive, in particular a ball screw nut of a ball screw drive, and method for the production thereof

A method for producing a threaded nut of a threaded drive, includes the following steps: a sleeve is produced from a steel sheet which is suitable for case-hardening; a rolling profile for a rolling contact with rolling bodies is molded on the inner circumference of the sleeve, said rolling profile being wound in a helical manner about the longitudinal axis of the sleeve; a flange is welded to the end face of the sleeve; the flange is provided with a welding surface on the flange end face facing away from the sleeve for welding to a machine part; the welding surface initially has a diffusion-inhibiting layer which inhibits the penetration of carbon; and the welding surface is exposed by removing the diffusion-inhibiting layer after case-hardening the threaded nut. A threaded nut produced according to the method can be part of a ball screw drive, the flange of which can be welded to a provided machine part by the user.

A harmonic drive, more particularly in an electromechanical camshaft phaser, comprises a drive element (), a flexible transmission element () connected to the drive element () and having external teeth (), and an output element () that is designed as a ring gear and has internal teeth () that partially mesh with the external teeth (). The flexible transmission element () is pot-shaped, and is coupled in a torque-transmitting manner to the drive element () radially inside the outer teeth ().

Harmonic drive and method for producing harmonic drive

A flexible transmission element is disclosed which can be used, in particular in a harmonic drive and which includes a sleeve-shaped, outer toothed section and a flange connected to this section, the outer toothing of the sleeve-shaped section is sheet metal toothing formed in a die.

Flexible transmission element

A ball screw nut for a ball screw drive includes a sleeve element which is formed as a sheet metal part and has a thread which is formed for the largest part as a load channel, wherein a relief section formed within the thread extends from the load channel at least slightly radially outwards and adjoins a deflection channel.

Ball screw nut and method for producing a ball screw nut

A flexible transmission element () which can be used, in particular in a harmonic drive () and which includes a sleeve-shaped, outer toothed section () and a flange () connected to this section (), the outer toothing () of the sleeve-shaped section () is sheet metal toothing formed in a die.

Oldham couplings are disclosed, for example, for use in electric camshaft adjusters. The Oldham coupling may include a first outer connecting disk and a second outer connecting disk having axes of rotation extending parallel to each other and a central connecting disk including one or more through-bores. One or more connecting elements may couple the first outer connecting disk to the central connecting disk via the through-bore(s). A sleeve may be arranged in the through-bore(s) such that the connecting element(s) contacts the sleeve and wear of the central connecting disk is reduced. For example, the sleeve may prevent direct contact of the connecting element(s) with the central connecting disk, such as by a spacer or flange. The sleeve may be made of metal, while the central connecting disk may be plastic or metal.

Oldham coupling

The invention relates to a ball screw including a spindle nut arranged on a lead screw, and balls, which roll on ball grooves of the spindle nut and of the lead screw, and a circumferential stop on the screw side and a circumferential stop on the nut side, the spindle nut being arranged in a sleeve surrounding the ball nut, the sleeve is formed from sheet metal by shaping and the nut-side circumferential stop is formed integrally on the sleeve.

Ball screw

Sensor devices for a rolling bearing and roller bearings including said sensors are disclosed. The sensor device may include at least one sensor configured to connect to one bearing race in a manner fixed against relative rotation. At least one signal transmitter may be configured to connect to the other of the bearing races in a manner fixed against relative rotation. The sensor device may further include an outer ring configured to be fastened on an end face of the outer race of the rolling bearing and an inner ring configured to be fastened on an end face of the inner race of the rolling bearing. The sensor and the signal transmitter may be arranged on mutually opposite lateral surfaces of the outer and inner rings.

Sensor device for a rolling bearing and rolling bearing arrangement comprising such a sensor device

A press connection which includes a carrier and at least one sleeve-shaped structural component of sheet metal seated at least with a press seat on the carrier. At least one indentation is formed on the surface of the carrier and the indentation is at least covered by at least one wall section of the sleeve-shaped structural component.

Press connection with a sleeve-like component of sheet metal

A coil () for a solenoid valve () in particular for actuating a camshaft adjuster, including a coil carrier () with an underside, a pot () with a base on which the underside of the coil carrier () is placed and with a wall which forms an intermediate space () with respect to the coil carrier (), and a yoke disk () which is placed on the pot () with coil carrier () and which covers the intermediate space (), wherein the intermediate space () is open via a flow gap () between the yoke disk () and the coil carrier () and/or between the yoke disk () and the pot () and is provided for receiving a filler (). The flow gap () is formed for the hardening of the filler ().

Coil and solenoid valve

A securing element () made of sheet metal with an annular body () and with holding tongues () which emerge from the annular body () and end at a hole () in the securing element (), which hole is centered with respect to the center axis () of the securing element (), wherein the hole () leads axially in the same direction as the center axis () through the securing element () and, at radial narrowest hole cross sections of the hole (), is bounded at least by end edges () formed on the end sides of the holding tongues ().

Growing community of inventors

Aurachtal, Germany

Richard Baier