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CRC

Independent cell system
Play video CRC

New generation automated drying system

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Independent cells

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Air flow distribution

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Distance optimization between skins

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Adjustable skin tension

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Automation in workstations

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Drying has a new standard

Fratelli Carlessi has developed a new generation drying and conditioning system in order to meet the needs related to new leather processing technologies, in terms of quality of the finished product , productivity , flexibility of use and reduction of energy consumption. .


These new technologies require better control of the parameters of the drying process, such as humidity, temperature, air distribution and above all an accurate control of the tension of the fibers in the expansion process, in order to avoid damage such as flower blowing. and losses of useful surface.

The new CRC dryer is an evolution of the traditional drying and conditioning system, with the introduction of numerous new solutions covered by international patents.

Independent cells

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The drying tunnel is divided into independent cells with a physical separation between each single cell; in this configuration each module works as a single oven in which it is possible to set a specific temperature, humidity and ventilation, totally independent from the other modules.

Each cell also has a leather tension / detension unit, in this way it is possible to avoid differences in quality between different lots of leathers and contamination between lots of different types of leather.

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Redesigned airflow distribution

The heated air flow passes through the hides from the bottom upwards, therefore it is possible to obtain uniform drying of the leather, as humidity tends to accumulate in the lower part due to the effect of gravity.

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Optimization of the distance between the skins

The optimized distance between the individual frames reduces the drying time.

With a cross-flow system, the air reaches the central area of ​​the hides more easily than with a traditional ventilation system, allowing you to avoid the formation of darker areas along the edges of the skin or changes in color.

Better drying efficiency

The adoption of heat pumps helps to accelerate drying considerably thanks to the use of air with low humidity content, with further benefits such as low drying temperatures and lower consumption.

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Adjustable skin tension

Through a patented system, the expansion units in each cell can adjust both extension and relaxation of the leather, allowing to obtain a much more accurate control fibres sress, avoiding damages such as grain blowing.
The frames, thanks to the special construction, allow to obtain differentiated degrees of extension between head and butt of the leather.

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Automation in workstations

The automatic rotation system of the looms can further accelerate the work of the operators in the phases of stapling and removing the hides from the looms.

industry

4.0

Work cycles managed by color panel

It is possible to automatically set and recall recipes and drying cycles, as well as having complete management of the individual cells, frame by frame, for the entire duration of the cycle. Ability to manage anomalies and remote control.

Automation

Supervision system with PLC integrated with 21 "color industrial computer connectable to a local LAN network via ethernet connection for remote assistance (Industry 4.0)

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