240_f_80989443_8tgtb7nlmfxxhj9nwablzweb4v7damyy

In the paper sector, the good operation of the motors of the paper machine and their synchronisation are vital. The failure of one of the motors that drives the different rollers or pumps of the process is sufficient to cause production downtime and material loss.

PULPER
Machine in which the paper’s raw material and water are mixed and crushed.
BEATER
The process whereby a mechanical friction process is used to add fibres to the paper pulp obtained in the pulper to facilitate the creation of hydrogen bonds and improve its resistance. This machine tends to be driven by motors of approximately 300 kW.
WEB
Roller-driven surface on which the refined paper pulp rests and where it stars to lose the excess water through gravity and the suction created by the vacuum cylinders, rollers driven by motors of 200 kW. The motors that make the take-up rollers turn have a power output of 250 kW.
DANDY ROLL
A large, hollow roll with an outer surface made out of plastic, which crushes the web to eliminate excess water from the pulp. From here onwards the paper acquires a certain consistency and continues the process without the physical support of the web. Driven by motors of approximately 30 kW.
PRESSING AND DRYING
A set of rollers which, using pressure and heat, eliminate the moisture from the paper. The rollers are heated by making steam circulate at a high temperature around their interior. These rollers tend to be driven by electric motors of between 30 kW and 55 kW.
PRESSES AND CALENDERS
Set of rollers that impart the final finish to the paper. POPE REEL
The manufactured paper is wound onto large reels for its subsequent use. It is a cooling cylinder with a water inlet and outlet for correct reeling.

In this industry online predictive maintenance is key to:
Predicting the faults of the motors that drive the rollers of the paper making machine.