September, 2020

Perfectly smooth and shiny surfaces thanks to fully automated systems: the Polishing Department.

After the foundry and the basic mechanical processes, the components are sent for thorough the washing and the polishing. There are four types of processes in this area: grinding, peeling, polishing and brightening. 110 fully automated workstations use 6 types of different grain belts in a first step. Subsequently, a special abrasive paste made of pine resin and alumina oxide, an absolutely harmless mixture for workers operating close to robots, is spread on cotton wheels which, through a removal and microabrasion process, polish the piece. The machines’ programs are defined according to the type and shape of each single piece: the robots stand out for their articulated arm that allows a very wide range of movements. The processes therefore take place automatically, but the fine-tuning is carried out by highly experienced operators because the human factor is a key to exploiting the technological potential of the mechanical arm. The choice of diameter of the wheel, whether small or larger, its speed, the adoption of a soft or more rigid belt, with a fine or coarse grit size, as well as the analysis of the movements, all these are decisions made by the technicians operating at this so important phase of the Carlo Nobili Rubinetterie production process. Finally, in this area there are 4 manual workstations allowing us to adjust any possible micro-defect that may escape the robot’s "eyes".

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