Straightening rotor, rotor straightener and straightening method

Abstract

A straightening rotor is provided with at least two freely positionable balancing means that are essentially arranged symmetrical to a central plane, axially relative to a rotational axis of the straightening rotor. This makes it possible to achieve higher speeds and/or a longer service life.

1 . A straightening motor, comprising at least two freely positionable balancing means, which are arranged axially in relation to a rotational axis of the straightening rotor, essentially symmetrical to a central plane. 
   
   
       2 . The straightening rotor according to  claim 1 , wherein the balancing means are essentially aligned in mirror symmetry relative to the central plane of the straightening rotor. 
   
   
       3 . The straightening rotor according to  claim 1 , wherein the balancing means are essentially aligned in point symmetry relative to a center of gravity and/or a central point of the straightening rotor. 
   
   
       4 . The straightening rotor according to  claim 1 , comprising balancing means that act on the second order. 
   
   
       5 . The straightening rotor according to  claim 4 , comprising exactly two balancing means that act on the second order. 
   
   
       6 . The straightening rotor, according to  claim 1 , comprising balancing means that can be adjusted during rotation. 
   
   
       7 . The straightening rotor according to  claim 6 , wherein the balancing means encompass balancing masses that can be adjusted during rotation 
   
   
       8 . The straightening rotor, according to  claim 1 , comprising balancing masses that can be adjusted in the circumferential direction. 
   
   
       9 . The straightening rotor, comprising balancing means encompassing at least two balancing disks. 
   
   
       10 . The straightening rotor according to  claim 1 , comprising at least one balancing means, which can be positioned relative to a straightening rotor axis by means of a balancing drive, and fixed into a position by means of a fixation device, wherein the co-rotating balancing drive and the fixation device can be linearly accessed from outside, and actuated by rotating around this path or being directed along this path. 
   
   
       11 . The straightening rotor according to  claim 1 , comprising at least one straightening element that can be radially adjustable by means of an adjustment device, wherein the adjustment device exhibits a co-rotating actuator drive and a fixation device, and the co-rotating actuator drive and fixation device can be linearly accessed from outside, and actuated by rotating around this path or being directed along this path. 
   
   
       12 . The straightening rotor according to  claim 10 , wherein the actuator drive and/or the balancing drive and the fixation device exhibit an identical connection. 
   
   
       13 . The straightening rotor according to  claim 12 , wherein the actuator drive, the balancing drive and/or the fixation device encompass a self-locking gear train. 
   
   
       14 . The straightening rotor according to  claim 10 , wherein the balancing drive and the actuator drive exhibit an identical connection. 
   
   
       15 . The straightening rotor according to  claim 1 , comprising at least one balancing mass, which can be shifted by means of an actuator drive of an adjustable straightening element. 
   
   
       16 . The straightening rotor according to  claim 15 , wherein the balancing mass can be shifted synchronously with the straightening element. 
   
   
       17 . The straightening rotor according to  claim 16 , wherein the actuator drive encompasses a threaded bolt, which shifts both the straightening element and the balancing mass. 
   
   
       18 . The straightening rotor according to  claim 17 , wherein the threaded bolt exhibits a counter-running thread with two partial threads, wherein the straightening element is linked with a first of the two partial threads, and the balancing mass is linked with a second of the two partial threads. 
   
   
       19 . The straightening rotor according to  claim 1 , wherein the straightening rotor encompasses at least one inlet-side and one outlet-side straightening element, as well as a central straightening element that can be arranged eccentrically between the two, wherein the inlet-side or outlet-side straightening element exhibits a multilateral guide, and the central straightening element exhibits a straightening die. 
   
   
       20 . The straightening rotor according to  claim 17 , wherein the inlet-side and outlet-side straightening element exhibit a multilateral guide. 
   
   
       21 . The straightening rotor according to  claim 1 , wherein the straightening rotor encompasses at least one inlet-side and one outlet-side straightening element, as well as a central straightening element that can be arranged eccentrically between the two, wherein the inlet-side and/or outlet-side straightening element exhibits a straightening die with a clearance of under 0.4 mm, preferably 0.3 mm. 
   
   
       22 . The straightening rotor according to  claim 20 , wherein the inlet-side and/or outlet-side straightening element exhibits a roll guide. 
   
   
       23 . The straightening rotor according to  claim 22 , wherein the roll guide encompasses two rolls with a toroidal shape. 
   
   
       24 . The straightening rotor according to  claim 22 , wherein the roll guide encompasses three rolls directed opposite each other. 
   
   
       25 . The straightening rotor according to  claim 22 , wherein the roll guide encompasses a rolling straightening die. 
   
   
       26 . The straightening rotor according to  claim 19 , wherein another central straightening element is provided between the central straightening element and the inlet-side straightening element or the outlet-side straightening element. 
   
   
       27 . The straightening rotor according to  claim 26 , wherein the additional central straightening element accommodates a work piece eccentrically relative to a rotational axis of the straightening rotor. 
   
   
       28 . The straightening rotor according to  claim 26 , wherein at least one central straightening element exhibits a rolling straightening die. 
   
   
       29 . The straightening rotor according to  claim 22 , wherein at least one rolling axis of a rolling assembly exhibits a direction other than a rotational axis of the straightening rotor. 
   
   
       30 . A rotor straightener with a straightening rotor, comprising a device for measuring unbalance. 
   
   
       31 . The rotor straightener according to  claim 30 , wherein the measuring device is active during the straightening process. 
   
   
       32 . The rotor straightener according to  claim 30 , wherein the measuring device acquires unbalances of the second order. 
   
   
       33 . The rotor straightener according to  claim 30 , wherein the measuring device encompasses a decoupleable measurement evaluator. 
   
   
       34 . The rotor straightener according to  claim 30 , wherein both the straightening rotor and a stationary drive exhibit a positioning position in which the stationary drive can link with a balancing drive of a balancing element of the straightening rotor, so that the drive can position the balancing element, and the stationary drive exhibits an operating position in which the straightening rotor can freely rotate, as opposed to the balancing position. 
   
   
       35 . The rotor straightener according to  claim 34 , wherein a separation device is provided in the drive train between the stationary drive and co-rotating balancing drive. 
   
   
       36 . The straightening rotor according to  claim 34 , wherein the stationary drive exhibits several balancing positions, with which it can respectively interact with a balancing drive of a balancing element. 
   
   
       37 . The rotor straightener according to  claim 36 , wherein the stationary drive has a linear actuator device, with which a drivable connecting unit able to connect the stationary drive with the balancing drive can be shifted axially along the straightening rotor. 
   
   
       38 . The rotor straightener according to  claim 30 , comprising a straightening instrument that can be radially adjusted by means of an adjustment device, wherein the adjustment device encompasses a co-rotating actuator drive and a fixation device, as well as a stationary drive, and both the straightening rotor and the stationary drive exhibit an adjustment position, in which the stationary drive becomes linked with the actuator drive and/or fixation device, so that the stationary drive can be used to adjust the straightening drive of the straightening element, and the stationary drive has an operating position in which the straightening rotor can freely rotate, as opposed to the adjustment position. 
   
   
       39 . The rotor straightener according to  claim 30 , comprising at least one straightening element that can be radially adjusted by means of an adjustment device, wherein the adjustment device encompasses a co-rotating actuator drive and a fixation device, as well as a stationary drive, and a separation device is provided in the drive train between the stationary drive as well as co-rotating actuator drive and/or fixation device. 
   
   
       40 . The rotor straightener according to  claim 38 , wherein the stationary drive exhibits several adjustment positions, in which it can respectively interact with different actuator drives and/or fixation devices. 
   
   
       41 . The rotor straightener according to  claim 40 , wherein the stationary drive has a linear actuator device, with which a drivable connecting unit able to connect the stationary drive with the actuator drive or fixation device can be axially shifted along the straightening rotor. 
   
   
       42 . The rotor straightener according to  claim 37 , wherein the connecting unit encompasses a rotary actuator. 
   
   
       43 . The rotor straightener according to  claim 34 , wherein the stationary drive can be linked both with an actuator drive and with a balancing drive. 
   
   
       44 . A straightening method with a straightening rotor, wherein the unbalance of the straightening rotor is measured during the straightening process. 
   
   
       45 . The straightening method according to  claim 44 , wherein balancing masses are shifted based on the measurement result during the straightening process. 
   
   
       46 . The straightening method according to  claim 44 , comprising the definition of a center-of-gravity axis. 
   
   
       47 . The straightening method according to  claim 44 , wherein the center-of-gravity axis is aligned on a rotational axis of the straightening rotor. 
   
   
       48 . The straightening method according to  claim 44 , wherein with the straightening rotor shut down, a stationary drive is linked with an actuator drive and/or fixation device of the straightening element, then adjusts, detaches and/or fixes the straightening element through specific drive actuation, after which the drive and actuator drive are separated. 
   
   
       49 . The straightening method according to  claim 48 , wherein the rotational direction of the straightening rotor is retained before and after adjustment. 
   
   
       50 . The straightening method according to  claim 48 , wherein a work piece is situated in the straightening rotor during the adjustment process. 
   
   
       51 . The straightening method according to  claim 48 , wherein the straightening rotor is moved into an adjustment position before adjustment. 
   
   
       52 . The straightening method according to  claim 51 , wherein at least two adjustment positions are provided. 
   
   
       53 . The straightening method according to  claim 44 , wherein with the straightening rotor shut down, a drive is linked with a balancing drive of a balancing element, after which the balancing element is positioned through specific drive actuation, and the drive and balancing drive are finally separated. 
   
   
       54 . The straightening method according to  claim 53 , wherein the rotational direction of the straightening rotor is retained before and after positioning. 
   
   
       55 . The straightening method according to  claim 53 , wherein a work piece is situated in the straightening rotor during the positioning process. 
   
   
       56 . The straightening method according to  claim 53 , wherein the straightening rotor is moved into a balancing position before positioning. 
   
   
       57 . The straightening method according to  claim 56 , wherein at least two balancing positions are provided.