Safety device for a roll space of a calender or similar roll...

Details Safety device for a roll space of a calender or similar roll... Safety device for a roll space of a calender or similar roll...

D - Textiles, Paper

21

G

D21G 5/00 (2006.01) B01F 13/04 (2006.01) B29B 7/72 (2006.01) B29C 43/24 (2006.01) F16P 1/00 (2006.01)

Patent

CA 2107861

A safety device for the roll space within a calender or other roll machine is disclosed. The rolls when rotating, excite oscillations in the beam at the resonant frequency of the beam. This can occur during start-up or during normal operation. The safety device of the present invention comprises a beam and additional mass that is oscillatorily suspended from the beam in order to reduce the amplitude of the beam oscillations at the beam resonant frequency. In addition, a damping element between the additional mass and the beam is used to reduce any undesired oscillations due to newly created resonant frequencies introduced into the system.

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