+86-411-85518978
zwa@zwa.cc
The shoe press roller is the core and key component of the paper making equipment press section, which directly determines the paper dewatering efficiency, finished product flatness, and equipment operation stability. Its operating conditions are characterized by heavy load, continuous operation, wet and hot corrosion, and slight centering deviation, which require extremely high load-bearing performance, sealing, wear resistance, and service life of the supporting bearings. Our company has customized and developed specialized bearings for the pressure roller working conditions of papermaking machinery boots, which are suitable for various medium and high-speed papermaking production lines. The core parameters and application advantages are as follows:
Heavy load and pressure bearing conditions: The maximum pressure on the shoe pressure roller operating line can reach 1400kN/m. During equipment operation, the bearings need to continuously withstand stable radial heavy loads while also considering dynamic load impacts to prevent pressure deformation and raceway wear problems.
Continuous operation condition: Suitable for 24-hour uninterrupted continuous operation mode of papermaking equipment, able to withstand high-frequency start stop and continuous high-speed operation conditions, without high temperature jamming or fatigue failure hazards.
Complex environmental conditions: Suitable for harsh environments with high humidity, diffuse water vapor, and a small amount of pulp dust adhesion in the pressing section, can resist water vapor erosion and medium pollution, and is compatible with static pressure lubrication working mode.
Deviation adaptation working conditions: It is compatible with trace alignment deviation and shaft deformation during the operation of the shoe pressure roller, effectively compensating for equipment assembly errors and reducing operational friction losses.
Special material configuration: ZWA adopts high-purity carburizing bearing steel material, which has undergone multiple quenching and tempering heat treatments to improve the hardness, toughness, and fatigue strength of the bearing, effectively resisting heavy load wear and stress cracking, and suitable for long-term high-intensity operations.
Optimized structural design: Adopting the classic structure of spherical roller bearings, matched with the working principle of shoe pressure roller static pressure support, it has excellent radial bearing capacity and self-aligning performance, and can adapt to the dynamic deformation of the roller shell during rotation.
Enhanced sealing configuration: Equipped with a double-layer contact sealing structure and a moisture resistant sealing rubber ring, it can effectively block water vapor and pulp dust from entering the bearing interior, avoiding grease failure and raceway corrosion, and is suitable for humid working conditions in paper workshops.
High precision machining technology: The inner and outer raceway of the bearing adopts ultra precision grinding technology, with high surface smoothness and low operating friction coefficient, which can effectively reduce equipment operating temperature rise, reduce energy consumption and improve the smoothness of roller operation.
High load-bearing performance: Optimized dynamic and static load coefficients, able to withstand continuous heavy loads and intermittent impact loads, meeting the high-strength operation requirements of shoe rollers in medium and large paper machines.
Low temperature rise stability: Suitable for thin oil lubrication conditions, with low friction resistance and controllable temperature rise during continuous high-speed operation, eliminating bearing jamming and aging acceleration caused by high temperature.
Strong corrosion resistance: The surface has undergone rust and corrosion prevention strengthening treatment, and can withstand the corrosion of wet and hot media, weak acid and weak alkali media in the paper workshop, extending the equipment operation and maintenance cycle.
Low failure rate performance: Standardized precision assembly, matched with anti loosening and adaptive structure, adapted to high-frequency pressure operation mode of shoe pressure roller, stable operation accuracy, low vibration and noise values.
Shoe press equipment suitable for various cultural paper, packaging paper, and household paper production lines, covering low-speed, medium to high-speed full specification paper mills.
Compatible with controllable medium and high shoe pressure roller equipment, matched with hydraulic pressure and static pressure lubrication working system, can accurately match the operation logic of roller shell rotation and center beam stress.
Can replace imported bearings of the same model, compatible with mainstream shoe pressure roller bearing models such as 241/670CCK/W33, with strong compatibility, no need to modify equipment structure, and easy replacement.
Suitable for conventional thin oil lubrication systems, without the need for special modification of lubrication equipment, with simple operation and maintenance, reducing the maintenance cost of enterprise equipment.
Long service life, excellent fatigue and wear resistance, can effectively reduce the frequency of bearing replacement, reduce equipment downtime for maintenance, and improve the overall operational efficiency of the production line.
High operational stability, ensuring even pressure and smooth operation of the shoe roller, effectively improving the uniformity of paper dehydration, and enhancing the flatness and production yield of finished paper.
Our company's specialized spherical roller bearings for shoe pressing rollers rely on mature production processes and optimized design for working conditions, balancing high stability, durability, and cost-effectiveness. They can fully meet the long-term continuous operation needs of the paper industry's pressing equipment and provide core component guarantees for stable production, cost reduction, and efficiency improvement of paper enterprises.
