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Vibration damper and arrangement in fiber web machine

A fiber web machine and shock absorber technology, which is applied to shock absorbers, friction shock absorbers, shock absorbers, etc. The effect of vibration

Active Publication Date: 2021-05-14
VALMET TECH OY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But the problem with this kind of shock absorber is that the structure is complicated and it is not easy to manufacture
The second problem is the weak damping ability of this shock absorber

Method used

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  • Vibration damper and arrangement in fiber web machine
  • Vibration damper and arrangement in fiber web machine
  • Vibration damper and arrangement in fiber web machine

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0042]Figure 1 - Figure 6A first preferred embodiment of the arrangement and damper according to the present invention is shown. The second possible implementation is explained in the final explanation of the specification.

[0043]According to the arrangement 1 of the present invention, it is advantageously adapted to the fiber web machine, in which the compression zone 102 formed by the two roller 11 is preferably a press-press according to the pressing portion of the press or the most preferred. It is the pressure zone of the concurrent machine. The control of the vibration of the roller to form the pressure zone is particularly important, since there is no modified device phase for the non-uniform fiber web after the concurrent machine. Further, the deflection compensation roller on the capping machine is coated with a soft cover for optimizing the surface characteristics of the paper, where the deflection compensation roller is particularly sensitive to the vibration due to the co...

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Abstract

The invention relates to a vibration damper (10) for forming a deflection-compensating roll of a fiber web machine nip (102), the vibration damper (10) being associated with a frame (14) for mounting the vibration damper (10) fastened on the stationary shaft (16) of the deflection compensation roller (12) assigned to the deflection compensation roller (12); the flexible element (18) fastened on the frame (14), the flexible element ( 18) is the guide shaft (20), which is assigned a flexible area (30), the guide shaft is fastened on the frame (14) outside the flexible area (30); the mass (22), adapted to the flexible element (18) In the flexible area (30); the moving element (24) is used to move the mass (22) along the longitudinal direction of the guide shaft (20); and the locking element (26) is used to move the mass (22) along the guide shaft (20) The mass (22) is locked at a distance (d) relative to the frame (14). The invention also relates to an arrangement on a fiber web machine.

Description

Technical field[0001]The present invention relates to a damper of a deflection compensation roller for a variable region forming a fibrous web machine, which has the following components:[0002]- Frame, is used to fasten the damper in an stationary shaft that belongs to the deflection compensation roller inside the deflection compensation roller.[0003]- Flexible components fastened to the frame.[0004]- The mass block adapted to the flexible element.[0005]The invention also relates to an arrangement on a fiber web machine.Background technique[0006]In the fiber web machine, the fibers are introduced into the pressure zone formed between the two rollers, and the fibrous web is passed through the pressure zone and is compatible with the roller. The unevenness of the fibrous web in the pressure zone causes harmful vibration on the roll of the pressure zone, which in turn causes a change in the final finished thickness. In addition, the vibration of the roller can cause uneven deformation ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D21G1/00D21G1/02
CPCD21G1/008D21G1/00D21G1/0206D21F3/08F16F7/1005F16F7/116F16C13/003F16F7/09F16F15/06F16F15/10F16F15/32F16F15/322
Inventor 尤卡-佩卡·莱皮斯特
Owner VALMET TECH OY
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