OptiCalender Compact is designed for maximum usability with minimum operational costs. It provides quality calendering, but its structure is greatly simplified compared to your average calender. The simple, integrated structure enables extremely easy start-ups, everyday site operations as well as maintenances. Naturally, this also lowers the required initial investment and operational costs.
Lower initial investment and operational costs
Fast and smooth delivery
Compact size - everything integrated into the machine frame
Easy commissioning and start-up
When you need a new calender, the whole calender delivery project is standardized from start to finish to ensure a fast, smooth delivery. All components have been designed to function together seamlessly, which limits the amount of modifications available for this calender model. However, with a more fixed calender module it is possible to integrate all parts of the design into one single unit. This way, no additional devices need to be placed in the basement or, for example, a separate automation module.
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Below are all the connections that need to be made on site and after that the calender is fully operational. There are no separate hydraulic power units, drives or other equipment. No additional devices need to be placed in the basement or a separate automation module.
There are several structural improvements including walkways and drive foundations. The integrated drives don’t require any alignment or foundation building at customer site. All machine controls have been built into the calender control panel. All the pumps and valves required to controlthe machine’s pneumatics and hydraulics are located inside the control box.
Also the roll is heated by steam to increase cost efficiency. Similar structure is used in dryer cylinders - numerous references available. The integrated heating system uses paper making line steam supply.
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Calender roll covers
Targeting long grinding intervals and smooth surface quality? Valmet’s calender roll covers provide longer service intervals and optimum paper or board properties. Besides providing better marking resistance, our calender covers allow much higher speeds and temperatures without damage than conventional alternatives. For paper and boardmakers these factors mean quality. Let Valmet help you to run with the most suitable cover for your calender.
Five questions that will help maximize roll cover effectiveness
Roll cover decisions are complex; the prices, performance characteristics and cover lifetimes vary considerably. Answering these five questions can guide papermakers in making a better choice among today's wide range of roll cover technologies.
Doctoring affects machine runnability, paper and board quality, production costs, and production efficiency. Runnability can be improved by optimizing doctoring parameters and blade materials. Cleaner rolls result in better end-product quality. The blades can be selected to meet customers shutdown schedule which will lead to fewer blade changes resulting in lower blade costs. The reduction of unplanned shutdowns and costly downtime periods can be avoided by reliable and trouble-free doctoring.
A reliable tail threading process decreases tail threading times, minimizes waste and improves safety. This means an investment in your process is an investment that pays for itself. Whether you need improvements in paper or board machines, we have an advanced tail threading solution that clearly enhances your production efficiency. Our comprehensive range of tail threading services, from preventive maintenance to tail threading study secures optimal operation of your equipment and reduces threading times.