22 PRODUCTS & SERVICES


Pulp Paper & Logistics


Complete redesign for Toscotec rewinder range I


taly’s Toscotec has launched a new range of Optima rewinders following a complete redesign. The


machines are said to preserve the bulk and softness of the parent reels and increase winding performance, thereby increasing productivity. The unwinding stands feature a


compensation system for out-of- round parent reels and a Center Wind Assist (CWA) control, which consists of a combination of belt driven and centre drive system, which reduces the pressure applied on the paper by the belts of the unwinding stands. Toscotec says the system reduces the generation of dust and the installed power, which is shared between the belt and the CWA through a motor torque sharing design.


Eight of Toscotec’s updated Optima rewinders have been sold


A web tensioning system avoids elongation loss throughout the rewinder. This is achieved by continuously and precisely controlling the speed of the drive motors, also during machine acceleration and deceleration, so as to carefully guide the paper down to the rewinding station, while avoiding stretching it. The rewinding section features


an automatic nip control system, operating through the load cells installed on the rider roll and the core chucks, which send continuous feedback to the control system, so that the actual thickness and bulk of the wound reel is detected and adjusted in real time. As a result, bulk loss is


guaranteed to be less than 3 per


Analyse more health data for better paper machine performance


Detailed insights into the health of drive systems in paper making machines, enabling improvements in runnability and reliability, a reduction in sheet breaks and an improvement in paper quality is claimed for a new ABB Ability digital package. Paper Machine Drives


Performance is said to be the only continuous monitoring, drive-specific digital service that leverages a digital twin to better model and evaluate system drive control performance. Applying an advanced calculation


engine to critical system data permits near real-time performance monitoring for web tension, speed control, draw and load share. This in turn enables drive system control optimization,


September/October 2020


better ways to understand their drive system health while efficiently identifying the root cause of any issues,” said Sanath Kumar, global product manager for Paper Machine Drives at ABB. “Our new solution is the only


An understanding the health of drive systems means that the root cause of any paper machine problem is more easily resolved


faster troubleshooting and more informed asset decisions. The system also provides


advance warnings of potential failures and maintenance alerts,


which enable mills to undertake predictive maintenance, reducing unplanned downtime and higher maintenance costs. “Customers are always seeking


available offering that specifically monitors paper machine drive control performance to provide near real-time detail on performance status, plus predictive alerts and root cause insights to optimize control and leverage predictive maintenance strategies.” Removing the need for manual


data collection, Paper Machine Drives Performance uses the ABB Ability platform to collect and analyse a volume of data that would otherwise be unachievable, it is claimed.


cent and the elongation loss below 2 units. The Optima rewinder line can be


equipped with a fully automated shaft puller, featuring compact design for easy transportation and installation in limited space, and optimum alignment between the wound reel and the puller. Eight of the rewinders have


already been sold in Europe, North America and Asia, including single and double width machines. CAS Paper Mill in Thailand, Paloma in Slovenia, Cartiera Confalone in Italy and Essel in Turkey are among the paper makers that have bought the rewinders as part of turnkey projects. More information from Marco Dalle Piagge, sales director, Toscotec Tissue division, email: marco.dallepiagge@toscotec.com


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