US 11,851,298 B2
Machine for producing cardboard
Marco Mariani, Sesto San Giovanni (IT); and Ugo Re, Sesto San Giovanni (IT)
Assigned to Renova S.R.L., Milan (IT)
Filed by Renova s.r.l., Sesto San Giovanni (IT)
Filed on May 28, 2021, as Appl. No. 17/333,429.
Prior Publication US 2022/0380160 A1, Dec. 1, 2022
Int. Cl. B65H 23/182 (2006.01); B65H 26/08 (2006.01); B65H 16/02 (2006.01); B65H 16/10 (2006.01); B65H 16/06 (2006.01); B65H 23/185 (2006.01); B65H 23/06 (2006.01)
CPC B65H 23/1825 (2013.01) [B65H 16/02 (2013.01); B65H 16/06 (2013.01); B65H 16/103 (2013.01); B65H 23/06 (2013.01); B65H 23/066 (2013.01); B65H 23/185 (2013.01); B65H 26/08 (2013.01); B65H 2403/7253 (2013.01); B65H 2403/7254 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A braking system for a support member of a reel, wherein said braking system comprises a motor-generator device and a mechanical brake device arranged coaxially:
comprising a command and control unit configured to perform the following operations:
i) receiving the machine parameter values of line speed, paper tension, diameter of the reel and number of turns of the reel;
ii) comparing said machine parameter values with pre-set values;
iii) calculating a braking torque CL of the braking system to be supplied;
iv) calculating the splitting of the braking torque CL between a braking torque CM of the motor-generator device and a braking torque CF of the mechanical brake device;
v) commanding the motor-generator device and the mechanical brake device according to the calculation of step iv) for supplying the calculated braking torques CM and CF;
vi) managing the electricity produced by the motor-generator device (8) and sending said electricity to a power supply network (E).