A milling machine includes a spindle which is arranged to receive a tool holder and in use to cause rotation of the tool holder within the spindle. A portion of the spindle housing surrounding the tool holder is provided with at least one pair of opposing damping units.

This invention relates to a damping device for mounting two separate components for damping oscillations between the components, wherein the damping device has an axial damper that comprises a first connecting element as well as a second connecting element, wherein the first connecting element is connected to the second connecting element via a damping section by ensuring an axial relative movement of the two connecting elements with respect to one another, wherein the damping section is designed for damping the axial relative movement between the connecting elements. The damping device comprises a bending joint 1 that is fastened to one of the connecting elements, wherein the bending joint has a mounting element for mounting on one of the components, wherein the bending joint has a joint section that is designed as a continuous rigidly interconnected component and that extends axially between the connecting element fixed to the bending joint and the mounting element, wherein the bending joint can be bent, in particular resiliently bent, in its joint section about at least one axis of rotation that is perpendicular to the axial direction.

A torque fluctuation absorbing apparatus absorbs torque fluctuations occurring in a torque transmission pathway from an input side rotating member to an output side rotating member. The apparatus includes: a vibration absorbing member in which elastic members are coupled in series, and which absorbs torque fluctuations; circular outer contour plates coupled to the input side rotating member, and disposed to be spatially separated from one another in an axial direction of the output side rotating member; a hub member including a boss section coupled to the output side rotating member, and a flange section provided on the boss section and disposed between the outer contour plates; and a circular intermediate plate disposed between the flange section and the outer contour plates, coupled between the elastic members, and transmitting a torque from one elastic member to another elastic member.

There is provided a method of manufacturing a torsion spring, comprising providing a section of sheet metal, and forming the torsion spring from the section of sheet metal.

A bellows accumulator, in particular a pulsation damper, includes a bellows (3) arranged in an accumulator housing (1) and separating two media chambers (27, 28) from each other. Bellows folds (19) of the bellows can be moved at least partially along the inner wall (35) of the accumulator housing (1). The outside diameter of the bellows folds (19) is selected to be slightly smaller than the associated diameter of the inner wall (35) of the accumulator housing (1) in such a way that spaces (37, 41) are formed, which spaces together form a hydraulic damper for at least one medium.

A shock absorber includes a cylinder in which a working fluid is sealed, a piston rod movable into and out of the cylinder, the piston rod extending from the cylinder, a piston disposed inside the cylinder, the piston being configured to partition a first fluid chamber and a second fluid chamber, and a choke portion formed by penetration of a seamless choke passage, the seamless choke passage being configured to allow the first fluid chamber to communicate with the second fluid chamber.

A vibration damper for a motor vehicle may comprise a damper outer tube, a damper inner tube having a lateral surface of the damper inner tube and arranged coaxially in the damper outer tube, a separating plate arranged coaxially in a region of the lateral surface of the damper inner tube, and a sealing element arranged coaxially circumferentially on the damper inner tube on the separating plate. In a region of the separating plate arranged coaxially on the lateral surface of the damper inner tube, a groove for the separating plate may be formed on the lateral surface of the damper inner tube. The separating plate may be arranged in the groove, and the connection between the groove and the separating plate may be press fit, at least in the radial direction.

A hydraulic damper includes a hydraulic compression stop arrangement having an insert including a bottom and a fixing member including a body. The bottom is attached to the body through a locking connection preventing axial movement of the insert and transferring pressure exerted on the insert to the fixing member and allowing the cavity of the insert to receive the additional piston during the compression stroke to provide an additional damping force. The body includes a locking plate and the bottom includes a locking yoke with the locking yoke being secured to the locking plate to define the locking connection. The fixing member includes a head and the locking plate extends radially outwardly from the head defining a recess extending about the center axis. The locking yoke, having an arcuate shape and an L-shaped cross section, extends axially outwardly from the bottom to engage the recess forming the locking connection.

A torsional vibration damper in which a mass may be fitted easily into a chamber is provided. In the rotary disc, an insertion hole is formed integrally with the chamber. An opening diameter of the insertion hole is larger than an outer diameter of a flange plate of the mass, and an opening width at a boundary between the insertion hole and the chamber is larger than an outer diameter of a trunk of the mass. The retainer comprises a restricting portion that restricts an oscillating range of the mass in the chamber.

Provided are a damper configured such that the axial play between a coil case and a case member can be eliminated without increasing a size of a solenoid, and a method of assembling the damper. An O-ring (seal member) is elastically supported by a tapered hole formed in an inner peripheral surface of a case member and a tapered shaft formed in an outer peripheral surface of a coil case, and a retaining ring is configured to receive an axial force generated by the O-ring. The configuration enables the play between the coil case and the case member of the solenoid to be eliminated. A damping force regulation mechanism, and in turn the damper, may be made more compact in comparison with a case in which the O-ring is received by the opening side end face of the case member.