Press rolls for the paper industry: Precision and performance from MWN
News Guide Content Texts for companies in the paper industry
The paper industry places the highest demands on its production facilities. At speeds of up to 2500 m/min and web widths of up to 12 meters, all components must function perfectly. MWN, based in Niefern near Pforzheim, has been developing and manufacturing press rolls for over 100 years that meet these extreme requirements and are used worldwide in the paper, cardboard, pulp, and film industries.
MWN Niefern: Over 100 years of roller expertise
MWN Maschinenfabrik, headquartered in Niefern near Pforzheim, is one of the world's leading specialists in the design and manufacture of functional rollers. Since its foundation in 1909, the company has continuously developed and, with 95 employees, is now one of the most competent partners in the paper industry.
The extensive know-how of MWN engineers and decades of experience in the design, conversion, and modernization of functional rolls form the basis for innovative solutions. This more than 100 years of experience is the basis for state-of-the-art high-performance rolls “Made by MWN.”
Press roll technology: shaping and compaction at the highest level
MWN offers a wide range of press rolls for dewatering and compacting materials in paper production. The technical specifications of MWN press rolls are impressive:
• Line load up to 500 kN/m for maximum dewatering
• Diameters up to 2000 mm for various applications
• Web length up to 12,000 mm for the widest paper webs
• All functional features including grooving and blind holes
Surface finishing is carried out according to the latest standards. Precise surface designs optimize paper properties and ensure consistent quality across the entire web width.
Modern production: innovation meets precision
MWN's production capacities have been continuously expanded and modernized. In 2023, a new 2800 m2 production hall was built, increasing the total production area to 10,400 m2. A state-of-the-art crane system with a 25 m span and 100 t load capacity enables the production and maintenance of rolls in completely new dimensions.
The state-of-the-art machine tool park includes:
• Gun drilling center for precise drilling
• Turning and grinding centers for exact surface finishing
• Balancing machine for perfect balance
• Computer-controlled deep hole drilling machine since the 1990s
A state-of-the-art test bench guarantees 100% quality. Here, rollers weighing up to 80 tons are tested at speeds of up to 2000 revolutions per minute. This ensures safety for the customer's production process.
Quality and reliability: The MWN promise
MWN attaches extremely high importance to quality in all areas. Certification according to DIN EN ISO 9001 confirms the highest quality standards from goods receipt to worldwide shipping.
Particularly important for customers:
• Reliability in the 24-hour production process
• Durability of products for maximum availability
To date, MWN has delivered approximately 650 complete suction rolls and more than 3000 suction roll shells worldwide. Its customers include all well-known paper mills around the world.
Customized solutions and comprehensive service
Development and design are carried out in close cooperation with the customer, precisely according to their specifications. The components are customized using state-of-the-art 3D CAD systems.
MWN offers comprehensive service for all types of rolls:
• Tests and basic repairs
• Modifications and upgrades
• Balancing and grinding
• On-site or in-house service
The realization of individual customer requirements is our top priority. Highly qualified specialists guarantee first-class service using state-of-the-art equipment.
Global presence: wherever paper is produced
MWN is active worldwide – wherever paper is produced. References from around the globe attest to the high technical standard and quality of MWN products. Customers in North and South America are served by our own sales office.
No matter where in the world you work, MWN is there for you, offering innovative, customized solutions for every task in the paper industry.