Every doctoring process can be improved. The usual investments required are minimal. Optimizing your doctoring processes results in better runnability, improved quality, optimal production efficiency, reduced maintenance costs and improved safety and environmental effect.
A Valmet Doctoring Services Agreement is a partnership program between the mill and Valmet to improve overall performance of the machine, reduce downtime and maintenance costs through improved roll doctoring. The program includes doctoring audits, recommendations for improvements, blades, storage and blade handling equipment to reduce safety incidents, optimize blade performance and reduce the total cost of ownership.
The program also includes inventory managment which can be integrated with mill ERP systems. We organize the entire doctor blade program from ordering, inventory and installation. Our system provides identification of machine and position to ensure the correct blades are on hand for every position and are installed in the proper locations. The Valmet Doctoring Agreements can further include services such as:
Typical solutions achieved by mills using a doctoring agreement include:
Here are just a few of many positive results mills have achieved with a Valmet Doctoring Service Agreement:
Solution: Valmet Doctor Holder Compact upgrade with Valmet Doctor Blade Carbon VT 2 doctor blade
Solution: An improvement plan was made to cover the entire doctoring process. Our initial delivery included Valmet Doctor Blade Holder Compact holders, doctor blades, pneumatic control boxes and fixing screws, all carefully selected for each position.
Solution: Valmet conducted a doctoring audit which led to an improvement proposal. Center roll lubrication showers were modified with new nozzle models for optimized water spray. Full carbon Valmet Doctor Blade VC 10 blade was selected for use in this position.
Solution: Valmet doctoring specialist measured dryer cylinder surface roughness and blade wear. Valmet tending blades were taken into use to increase the cylinder roughness. Tending blades are used from time-to-time to maintain the correct roughness level.
Solution: Replaced air blades (2 pcs) in couch roll with Valmet Doctor Blade Dual blade.
Solution: Support for improved doctoring provided by Valmet doctoring specialist. Stock management done by Valmet local personnel. Applied new technology including Valmet Doctor Holder Compact. Cost savings through optimization of doctoring and inventory.
Valmet keeps the doctoring process of paper and board machines running efficiently all the time. To do this, it is important to use the best doctoring blade material and to correctly handle the doctor blades. Valmet looks after this for you and will supply the appropriate blades for each machine position as well as training and consulting.
Training, consulting, and service are available 24 hours every day. Valmet ensures that your doctoring process runs smoothly and efficiently.
For more information on improving doctoring performance while lowering total cost of ownership, contact your Valmet representative.