The SFU3205 heavy-duty ball screw, manufactured by Zhejiang Baili Guide Rail Co., Ltd., represents a high-performance transmission solution specifically engineered for demanding industrial environments. As a core component for large CNC equipment and heavy-load automation systems, this product innovatively combines large lead design with reinforced structure, achieving an optimal balance between high load capacity and exceptional motion accuracy. Its unique double-nut preload structure effectively eliminates axial clearance, ensuring stable positioning performance even under extreme load conditions.
Crafted from premium alloy steel and subjected to specialized heat treatment processes and precision grinding, this ball screw achieves surface hardness of HRC58-62 while maintaining excellent core toughness. The optimized raceway profile, combined with oversized precision balls, significantly enhances dynamic load capacity while delivering smoother operational characteristics. The specially designed dust-proof sealing system features a multi-layer labyrinth structure that effectively prevents contaminant ingress, extending product service life in harsh operating conditions.
In heavy-duty applications, the SFU3205 demonstrates outstanding performance capabilities. Its precision manufacturing process ensures C5 grade accuracy throughout the entire travel range, while maintaining the ability to withstand dynamic loads up to 45kN. The innovative heat dissipation design, achieved through optimized ball recirculation paths and specialized lubricating grease, effectively controls temperature rise, ensuring operational stability during prolonged continuous operation. The product also offers various end machining options for easy integration with diverse drive systems, providing reliable linear motion solutions for heavy-duty CNC machinery, automated production lines, and large industrial robots.
Core Advantages
Ultra-High Positioning Accuracy
- Lead of only 5 mm provides a small travel distance per revolution. Combined with C3/C5 accuracy grades, it achieves micron-level or even higher positioning accuracy.
- With the same motor resolution, positioning accuracy is twice as high as that of a 10 mm lead specification.
High Rigidity & Backlash-Free
- The nominal diameter of 32 mm delivers high rigidity and excellent bending resistance.
- Gothic arch groove four-point contact design eliminates axial backlash through preload adjustment, preventing slippage even in vertical installations.
High Load Capacity
- Dynamic rated load of 6,000–7,000 kgf, static rated load exceeding 14,000 kgf.
- Easily handles medium-duty cutting, large-mass load handling, moderate impact loads, and similar conditions.
High-Efficiency Transmission
- Rolling friction structure keeps driving torque below one-third of that of sliding screws.
- Energy conversion efficiency reaches over 90%, allowing pairing with servo motors to reduce energy consumption and operating costs.
Excellent Durability
- Manufactured from high-quality bearing steel (GCr15/SUJ2), carburized and hardened to a surface hardness of HRC 58–62.
- Combined with precision grinding processes, it delivers an exceptionally long service life and high reliability.
Good Installation Convenience
- Moderate dimensions with standard flange specifications (80×80 mm).
- Strong adaptability and easy integration into various medium-sized equipment.
Multiple Accuracy Grades Available
- Offers accuracy grades C3, C5, and C7.
- C7 is suitable for general machinery, while C5/C3 are suitable for high-precision positioning applications.
Stable External Circulation Structure
- External circulation tube-type ball recirculation design ensures smooth ball operation.
- Suitable for medium-load, medium-speed applications, ensuring long-term stable performance.
Specifications
Our Advantage
Innovative Load-Bearing Structure Design
The SFU3205 utilizes multi-channel force transmission technology and a unique radial load distribution system that evenly disperses force points throughout the entire transmission structure. This innovative design enhances dynamic load capacity to 1.8 times that of conventional models while maintaining standard dimensions, making it particularly suitable for heavy-duty CNC machinery and large-scale automation equipment in high-intensity operating environments.
Intelligent Temperature Control Management System
Our developed active thermal balance technology, incorporating embedded heat conduction channels and specialized thermal materials, effectively controls temperature rise during high-speed operation. Test data shows that the SFU3205 achieves 40% better temperature stability than comparable products during continuous operation, ensuring consistent accuracy in prolonged working conditions.
Precision Dynamic Compensation Mechanism
The self-adaptive preload adjustment system automatically optimizes fitting clearance according to actual working conditions. Combined with our exclusive surface optimization algorithm, it achieves micron-level positioning accuracy in high-speed reciprocating motions, fully meeting stringent requirements in aerospace and precision manufacturing industries.
Long-Term Durability Assurance
Through innovative surface strengthening processes and special material formulations, the SFU3205 achieves breakthrough improvements in wear resistance and fatigue resistance. Rigorous accelerated life testing demonstrates a service life exceeding 10,000 hours under rated load, significantly reducing equipment maintenance costs.
Comprehensive System Integration Solution
We provide complete application adaptation services, including customized end structures, specialized mounting accessories, and system debugging guidance. Our professional technical team delivers optimal integration solutions based on equipment characteristics, ensuring perfect compatibility with various drive systems and maximizing performance advantages.
Our service
Professional Heavy-Duty Condition Assessment
We provide specialized load condition analysis services for SFU3205 clients, utilizing advanced simulation systems to replicate real-world operational stress scenarios. Our technical team conducts in-depth analysis of equipment acceleration curves, peak loads, and operational cycles, delivering personalized preload adjustment solutions to ensure optimal performance in heavy-duty environments.
01
Dynamic Operation Monitoring Platform
We have developed an exclusive remote monitoring system that tracks SFU3205 operating parameters in real-time. Through intelligent sensors installed on equipment, the system continuously collects vibration spectra, temperature distribution, and load variation data, enabling early risk identification and providing clients with accurate preventive maintenance recommendations.
02
Rapid Response Expert Team
We have established a dedicated technical service group for heavy-duty equipment, with all members possessing extensive experience in maintaining heavy-load transmission systems. When equipment abnormalities occur, our expert team can initiate emergency response within 4 hours, deliver professional diagnostic reports within 12 hours, and complete on-site technical support within 48 hours.
03
Continuous Performance Optimization Service
We create comprehensive equipment operation profiles for clients and provide regular operational data analysis reports. Based on actual equipment performance data, our engineers deliver quarterly performance optimization solutions, including lubrication system improvements and preload value optimization as value-added services, ensuring equipment maintains peak operating condition.
04
Global Spare Parts Support Network
We have established spare parts distribution centers in major industrial regions worldwide, ensuring 24-hour rapid supply of SFU3205 related components. Additionally, we offer professional used-part inspection and refurbishment services, creating a comprehensive spare parts recycling system that significantly reduces client maintenance costs.
05
Our factory
Zhejiang Baili Guide Rail Co., Ltd., as a specialized manufacturer in the precision transmission field, remains committed to driving innovation and development in heavy-duty transmission technology. Our SFU3205 heavy-duty ball screw represents the culmination of years of dedicated research and development by our technical team, specifically engineered to meet the stringent demands for high-load, high-precision transmission systems in modern industry. This product exemplifies our profound technical expertise and innovative capabilities in the heavy-duty transmission sector.
During the development of the SFU3205, we broke through the design limitations of traditional heavy-duty ball screws. By adopting a unique "multi-objective collaborative design" approach, we successfully achieved simultaneous improvements in three key indicators: load capacity, operational accuracy, and service life. The product utilizes special alloy formulations and innovative heat treatment processes, endowing the material with excellent impact resistance and fatigue durability while maintaining high strength. This breakthrough material processing technology ensures exceptional performance under heavy-duty operating conditions.
Our manufacturing processes similarly reflect the essence of technological innovation. The SFU3205 employs advanced "intelligent grinding" technology, ensuring raceway profile accuracy and consistency through real-time monitoring and automatic compensation systems. Particularly noteworthy is our proprietary "gradual preload adjustment system" developed specifically for heavy-duty screws. This system automatically optimizes preload according to actual load conditions, ensuring transmission rigidity while avoiding excessive friction losses.
In quality control, we have established a comprehensive testing system for heavy-duty products. Each SFU3205 undergoes rigorous "extreme condition simulation tests," including impact load testing, continuous overload testing, and accelerated life testing. These tests not only verify product performance metrics but also accumulate valuable technical data, providing scientific basis for continuous product optimization.
To address the specific needs of different industries, we have established a professional application technical support system. Whether for precision transmission in large CNC machine tools or high-load applications in heavy automation equipment, the SFU3205 delivers reliable solutions. Our engineering technical team not only provides expert technical consultation but also offers customized product design and system integration solutions based on clients' specific requirements.
We firmly believe that excellent products require strong technical support and comprehensive service assurance. Zhejiang Baili will continue to uphold the philosophy of "technological innovation, quality first," providing global industrial customers with superior products and services, and jointly promoting the advancement and development of the manufacturing industry.
FAQ
Q1: How is dynamic accuracy ensured under heavy-duty conditions?
A1: We employ an innovative "dual preload compensation system" that combines mechanical preload and temperature compensation, ensuring accuracy fluctuation within ±0.015mm/m under rated load. The specially designed anti-impact structure effectively absorbs instantaneous overload shocks, maintaining transmission stability.
Q2: What is the product's service life in high-temperature, heavy-duty environments?
A2: The SFU3205 utilizes high-temperature resistant alloy materials combined with a specialized lubrication system, maintaining stable performance at ambient temperatures up to 120°C. Rigorous accelerated life testing demonstrates a service life exceeding 8,000 hours under rated load, approximately 40% longer than conventional products.
Q3: Are there any special requirements for the base structure during installation?
A3: We recommend a base structure stiffness of at least 200N/μm, with installation surface flatness controlled within 0.02mm/m. We provide professional installation assessment services, including base structure inspection and installation plan optimization, to ensure overall system performance.
Q4: What is the product's protection rating in harsh environments?
A4: The SFU3205 comes standard with IP54 protection, with IP65 protection available as an option. The unique labyrinth seal structure combined with multi-layer protective coating effectively resists contaminants such as dust and cutting fluid, ensuring reliable operation in demanding conditions.
Q5: What are the maintenance intervals and diagnostic methods?
A5: We recommend preventive maintenance every 2,000 operating hours. The included smart diagnostic tools enable real-time monitoring of operating status, providing early warning of potential failures through vibration analysis and temperature monitoring, minimizing unexpected downtime to the greatest extent.
Hot Tags: Ball Screw SFU3205, China Ball Screw SFU3205 manufacturers, suppliers, factory, 40mm ball screw, motorized ball screw, sfu1604, stainless steel ball screw, axis ball screw, jual ballscrew
