China Beining Intelligent Technology (Zhejiang) Co., Ltd Company Cases

  Overview This case study highlights how we diagnosed and repaired a ball screw bearing failure in a CNC machine that was causing production downtime, loss of accuracy, and high maintenance costs. By identifying the root causes and implementing targeted solutions, we significantly improved machine performance and reduced annual maintenance expenses by over $35,000. The Problem A customer reported that their CNC machine was making grinding noises and losing cutting accuracy during operation. This led to: Unplanned downtime Lower product quality Increased repair frequency After inspection, we identified the issue as a failed ball screw bearing, a key component for smooth and precise machine movement. Root Cause Analysis We found three main reasons for the bearing failure: 1. Wrong Lubrication The grease used was too thick, which prevented proper lubrication and caused metal-to-metal contact. 2. Poor Installation Measurements showed the bearing was not aligned correctly during installation, leading to uneven wear. 3. Contamination Metal dust from machining operations entered the bearing housing, acting like sandpaper on moving parts. The Solution To fix the problem and prevent future failures, we took the following steps: ✅ Improved Lubrication: Switched to the manufacturer-recommended grease Installed automatic lubricators to ensure consistent lubrication ✅ Precision Reinstallation: Used laser alignment tools to install the bearing correctly Retrained technicians on best practices for installation ✅ Enhanced Contamination Control: Added protective covers to block dust entry Installed magnetic chip collectors to trap metal particles Set up regular cleaning and inspection checkpoints Results After Repair Improvement Area Before Fix After Fix Bearing Lifespan ~400 hours 1,500+ hours Machine Positioning Accuracy ±0.15 mm ±0.03 mm Annual Maintenance Cost $18,500 < $7,000 ✅ Total Annual Savings: Over $35,000 in downtime and replacement part costs ✅ Improved Production Efficiency and product quality restored Key Takeaways For maintenance teams and engineers, this case offers valuable lessons: Always use the correct type of grease recommended by the manufacturer. Invest in precision tools like laser alignment systems for accurate installation. Keep bearings clean — install and regularly inspect sealing components. Pay attention to unusual sounds or vibrations — they are early signs of potential failure. Why This Matters for Your Business Preventive maintenance and correct installation of ball screw bearings can help avoid costly breakdowns and extend equipment life. This real-world example proves how small changes can lead to big savings and long-term reliability. If you're experiencing similar issues with your machinery, we can help. Contact us today to learn more about our precision bearing solutions and maintenance support services.

In the world of precision machining, spindle bearings play a critical role in ensuring both machine performance and part quality. Even high-quality bearings can fail prematurely — not due to defects, but because of improper installation practices. This real-world case clearly demonstrates how a small mistake during setup — skipping the cleaning step — led to costly downtime and bearing failure. Background: Unexpected Bearing Failure A customer reported that the spindle bearings they had purchased from us failed shortly after installation. They suspected a product quality issue and requested an on-site investigation. Our technical team responded immediately and conducted a full inspection at the customer’s facility. On-site Inspection: No Manufacturing Defects Found Upon examining the failed bearings, we found: No cracks, deformation, or material issues No signs of poor heat treatment or production flaws It was clear that the problem wasn’t with the product itself. After reviewing the installation process, we identified the root cause: The bearings were installed without being cleaned. The customer applied new grease directly over the factory-applied anti-rust oil. What Went Wrong? The anti-rust oil is only meant to protect the bearing during storage and transport — it is not a lubricant. By applying grease on top of this oil, the following issues occurred: The two substances did not mix well The grease could not properly adhere to the bearing surfaces During high-speed operation, the grease was easily flung off This left the bearings running with little or no lubrication As a result, wear accelerated quickly, leading to early bearing failure.  Correct Procedure: Clean Before Installation We walked the customer through the proper installation steps for open (non-sealed) spindle bearings: Clean thoroughly – Use a suitable solvent to remove all anti-rust oil. Dry completely – Wipe dry with a lint-free cloth or use filtered compressed air. Apply the right grease – Use manufacturer-recommended spindle grease, applied evenly. Install carefully – Handle the bearings gently to avoid damaging internal components. We demonstrated each step and helped them reinstall the bearings correctly. Since then, the machine has been running smoothly with no further issues. Key Takeaway This case is a strong reminder: Even the best spindle bearings require correct handling to reach their full service life. Skipping basic steps like cleaning may seem minor, but it can have major consequences.  Need Help with Bearing Installation or Maintenance? If you're unsure about how to install, clean, or maintain your spindle bearings, don’t hesitate to contact our support team. We offer expert guidance and on-site assistance to help you get the most out of your equipment. Let’s keep your machines running efficiently — together.

Spindle bearings are key to the precision and performance of CNC lathes. Their accuracy depends on two main factors: Rotational accuracy: radial/axial runout of rings Dimensional accuracy: inner/outer diameter tolerances Here are the main factors that affect bearing accuracy: 1. Manufacturing Errors Raceway roundness errors cause uneven load, vibration, and wear. Surface roughness or waviness affects lubrication, wear, and stability — especially at high speeds. 2. Assembly Issues Misaligned shafts or housings deform raceways and reduce stiffness. Incorrect preload or clearance leads to instability, friction, and heat. Non-perpendicular mounting surfaces cause tilting and uneven loading. 3. Design and Material More rollers reduce runout, but with diminishing returns. Larger radial clearance increases runout. Poor heat treatment causes early wear and hardness loss. 4. Operating Conditions Heat from friction changes dimensions and affects preload. Poor lubrication increases wear and noise; too much grease causes overheating. Dynamic loads (e.g., cutting forces) increase stress and reduce life. Tips for Better Accuracy Use high-precision bearings with low roughness and waviness. Ensure correct alignment and controlled preload during installation. Choose suitable materials and lubrication for your application. Monitor temperature, vibration, and wear regularly. Summary To keep spindle bearings accurate:

At Beining Technology, we specialize in providing customized bearing solutions that meet the unique needs of industrial applications. One example is our successful customization of the 6816 deep groove ball bearing used in drive wheel reducers. The Challenge In standard configuration, the 6816 ZZ bearing was equipped with steel shields and featured 27 steel balls. However, during operation in high-temperature environments, the bearing experienced oil leakage issues, which affected performance and durability. Our Customization To address this challenge, we proposed the following improvements: Rubber Cover Replacement: Replaced the original steel shields cover (6816 ZZ) with two heat-resistant rubber seals (6816 2RS) to effectively prevent oil leakage under high temperatures. Increased Steel Ball Count: Upgraded from 27 to 30 steel balls to enhance load distribution. Raceway Curvature Optimization: Adjusted the raceway curvature to improve contact stress distribution and further increase load capacity. Results These modifications significantly improved the performance of the 6816 bearing in drive wheel reducers: Better sealing performance in high-temperature conditions Higher load-carrying capacity Extended service life and enhanced operational stability Conclusion By tailoring the design of standard bearings to specific application requirements, we help customers achieve better reliability and efficiency. Whether it's sealing, material, or structural optimization, Beining Technology delivers customized bearing solutions that make a real difference. If you're looking for customized bearings for your application, feel free to contact us and let us help you find the right solution. www.precisionball-bearing.com sherrydong1981@gmail.com

Selective Compliance Assembly Robot Arm (SCARA) robots are widely used in assembly processes. These robots feature three rotational joints with parallel axes, enabling precise positioning and orientation within a plane. This design makes them lightweight and highly responsive, operating several times faster than conventional articulated robots. Similar to a human arm, SCARA robots can reach into confined spaces for tasks such as moving and placing objects, making them ideal for industries including plastics, automotive, electronics, pharmaceuticals, and food. Their primary functions include part handling and assembly. Axis Characteristics: The first and second axes have rotational capabilities, while the third and fourth axes can be customized according to specific needs, featuring either rotational or linear movement. Operational Range: The unique shape of these robots determines their operational range, which resembles a sector-like area. Size and Capacity: SCARA robots come in various sizes, with common working radii ranging from 100 millimeters to 1000 millimeters, and payload capacities between 1 kilogram and 200 kilograms. Given the requirements for lightweight and high-speed response, the harmonic reducers used in SCARA robot joints must offer low friction torque, high precision, and long wear-resistant life. Beining Technology’s SHF series crossed roller bearings are specifically designed for use in harmonic reducers across various types of robots, including those manufactured by Harmonic Drive LLC. For example, an automation company uses SHF25 harmonic reducer bearings in the axis joints of SCARA robots, which are suitable for SHF series harmonic reducers. Key Points: Performance and Efficiency: Crossed roller bearings play a crucial role in ensuring smooth operation, high precision, and durability. Applications: They significantly enhance the functionality of SCARA robots in automated manufacturing processes. Industry Impact: These bearings contribute to the versatility and reliability of SCARA robots in diverse industrial settings, supporting tasks that require high accuracy and speed.

In the rapidly advancing world of humanoid robotics, where agility and precision are paramount, Beining Intelligent Technology (Zhejiang) Co., Ltd. stands as a leader in providing high-quality, specialized bearings that ensure superior performance. Our range includes: 617, 618, 619, and 1600 Series Deep Groove Ball Bearings: Designed for the core movements of robots, these bearings offer exceptional durability, low noise, and high-speed capabilities. Ideal for applications requiring smooth operation and long service life. Crossed Roller Bearings for Harmonic Reducers: Engineered to deliver unparalleled precision and stability, our crossed roller bearings are essential for harmonic reducers, ensuring accurate and reliable motion control. High-Speed Cylindrical Roller Bearings: Perfect for high-load and high-speed operations, these bearings provide robust support and extended operational lifespan, making them ideal for critical robotic components. Precision Miniature Angular Contact Ball Bearings for Robotic Finger Joints: Specifically designed for the delicate and precise movements required in robotic fingers, these bearings enable fine motor skills such as gripping and manipulating objects with utmost accuracy. At Beining Intelligent Technology (Zhejiang) Co., Ltd., we understand that the future of robotics hinges on the reliability and performance of its components. That's why we focus on delivering cutting-edge solutions tailored to meet the unique demands of the industry. Whether it's enhancing the flexibility of joints, ensuring the longevity of moving parts, or improving overall system efficiency, our bearings are crafted to exceed expectations. Join us in shaping the future of robotics. Partner with Beining Intelligent Technology (Zhejiang) Co., Ltd. today for bearings that make every movement count.

In the HVAC industry, where reliability and energy efficiency are crucial, selecting the right components is essential. Our recent collaboration with a leading air conditioner manufacturer highlights the significant impact of using high-quality motor bearings, specifically the 608 ZZ bearing, to enhance product performance. Background The 608 ZZ bearing is a miniature deep groove ball bearing featuring an inner diameter of 8mm, outer diameter of 22mm, and width of 7mm. With its double-sided metal shields (ZZ), it offers superior dust protection and stability at high speeds, making it ideal for applications requiring precision and durability. Application Example: High-Performance Air Conditioner Motors A top-tier air conditioner manufacturer aimed to improve the efficiency and longevity of their products by upgrading the motor bearings. By integrating our 608 ZZ bearings, they achieved notable advancements: Increased Efficiency: The low-friction design of the 608 ZZ bearing minimizes energy consumption, thereby enhancing the overall efficiency of the air conditioning units. Longer Lifespan: Despite continuous operation and exposure to varying environmental conditions, these bearings demonstrated outstanding durability, extending the service life of the motors. Reliable Performance: Regardless of seasonal temperature fluctuations, the 608 ZZ bearings maintained consistent performance, ensuring reliable cooling and heating for users. Technical Specifications Dimensions: Inner diameter 8mm, outer diameter 22mm, width 7mm Material: Constructed from high-grade steel for enhanced wear resistance and prolonged use Performance Features: Low noise levels, minimal vibration, and excellent load capacity Customer Testimonial "Our partnership with [Your Company Name] and the integration of their 608 ZZ bearings have dramatically improved the reliability and efficiency of our air conditioners," stated the Chief Engineer of our client. "We've seen fewer maintenance issues and higher customer satisfaction due to the dependable performance of these bearings." Conclusion This case study illustrates the critical role that high-quality components play in achieving optimal system performance. The robust design and exceptional performance of the 608 ZZ bearing make it an excellent choice for HVAC systems, enabling manufacturers to deliver reliable and efficient products to their customers.

Customer Background Our client is a leading Chinese manufacturer of industrial robots, specializing in providing high-precision, high-performance robotic solutions for sectors such as automotive manufacturing, electronic product assembly, and medical device production. With the growth in market demand, the client required high-performance bearings that could meet their stringent requirements to enhance the precision and reliability of their robots. Challenges During our collaboration, we identified several key challenges faced by the client: The need for high-precision bearings to ensure smoother and more accurate joint movements in robots. Bearings must be capable of long-term stable operation under high speed and heavy load conditions. Due to space constraints, the bearings needed to have a compact design without compromising performance. The client desired to reduce maintenance frequency and improve production efficiency. Solution Based on the specific needs of the client, we recommended our 673 miniature deep groove ball bearings and full complement cylindrical roller bearings without outer rings. These bearings feature: High Precision: Manufactured to P4 precision standards, ensuring extremely low noise and vibration, meeting the precision demands of robotics. High Load Capacity: Full complement roller design significantly enhances radial load capacity, offering 15%-20% higher effective load compared to traditional bearings, suitable for heavy-duty applications. Compact Structure: The design without an outer ring saves installation space, making it especially suitable for space-constrained applications. Ease of Maintenance: No need for outer ring fitting during installation reduces the risk of sliding failure due to clearance fit, lowering maintenance costs and frequency. Results By implementing our customized bearing solutions, the client achieved the following improvements: Enhanced Product Quality: More precise and smoother robot movements improved product assembly quality and consistency. Increased System Stability: Ensured long-term stable operation even under high speed and heavy load conditions, reducing downtime. Optimized Space Utilization: Compact design allowed robots to perform more tasks within smaller spaces, increasing layout flexibility. Reduced Operating Costs: Decreased maintenance frequency and extended equipment lifespan lowered overall operating costs. Conclusion This collaboration not only strengthened our mutual trust but also showcased our expertise in providing high-performance bearing solutions. Moving forward, we will continue to focus on technological innovation to offer superior products and services, helping clients achieve greater success in their respective fields.

A spindle manufacturing company reached out to us through a friend's recommendation and initially ordered a batch of universal matched angular contact bearings, model H7008C-2RZ. To ensure the suitability of our solution, our technical team visited their workshop to understand their specific application scenarios. Upon inspection, we discovered that the universal matched angular contact bearings were not ideal for their needs. Returning to our company, our technical team developed a custom pairing solution tailored to their specific requirements. After thorough calculations and research, we finalized a directional matching solution that ultimately reduced their costs by 30%. Upon successful testing of the samples, a new contract was signed, revising the original order from universal matched to directional matched angular contact bearings. This collaboration not only optimized their bearing performance but also significantly cut down their expenses. This case exemplifies our commitment to providing customized solutions that enhance efficiency and reduce costs for our clients. We look forward to continuing such fruitful partnerships in the future.

Background Introduction With the advancement of technology, there is an increasing demand for motor performance, especially in high-speed and high-precision applications. Traditional mechanical bearings struggle to meet these needs due to issues like friction loss, wear, and high maintenance costs. To address this, we have focused on developing high-performance bearing solutions specifically for maglev motors. Our goal is to significantly enhance motor efficiency, stability, and lifespan through innovative design and technological improvements. Product Features We have specially developed two types of bearings for maglev motors: angular contact bearings and deep groove ball bearings, both featuring a full-ball structure with black oxide treatment. These designs and treatments offer the following advantages: High Efficiency: The full-ball structure increases the number of balls, enhancing load capacity and rigidity, making it ideal for applications requiring high precision positioning and rapid response. Extended Lifespan: The black oxide treatment not only enhances surface wear resistance but also improves corrosion resistance, thereby extending the service life. Low Noise and Vibration: Optimized design reduces noise and vibration during operation, ensuring smooth motor running, particularly notable in precision equipment. Application Case In a high-end CNC machine tool project, the client faced frequent bearing replacements, leading to low production efficiency and high maintenance costs. We recommended our customized angular contact bearings and deep groove ball bearings solution. Post-installation, the machine's operational stability was significantly improved, noise levels were greatly reduced, and overall operating costs decreased due to extended maintenance intervals. Additionally, in another wind turbine component upgrade project, aiming to adapt to harsher working environments and improve power generation efficiency, our provided maglev motor-specific bearings showcased excellent performance. They helped the client achieve higher energy conversion efficiency and effectively lowered equipment failure rates. Conclusion By combining advanced design concepts with professional manufacturing techniques, we have successfully provided high-quality, high-performance bearing solutions for the maglev motor industry. This not only solves users' practical problems but also contributes to the advancement of the entire industry. Looking forward, we will continue to dedicate ourselves to technological innovation to meet the ever-changing market demands.