ZYS PRODUCTS

ZYS provides high quality bearing products and professional bearing solutions for users in the fields of machine tool, wind power, metallurgy, automobile and rail transportation, construction machinery, etc. ZYS can perform batch production of various bearing products with inner diameter of 0.6mm to outer diameter of 6.8m. In addition to bearings, ZYS can also offer high-speed spindles, precision bearing instruments, bearing testing machines, bearing manufacturing machines and bearing parts.

Industry Solutions

Machine Tool

ZYS precision angular contact ball bearings consist of high-precision angular contact bearings (standard series),super high-speed angular contact ball bearings,high-speed sealed angular contact ball bearings and high-speed spindle bearings.

Machine tool

Metallurgical Industry

In the metallurgical industry, the working environment of rolling mills, continuous casting machine or converters is really harsh. These conditions require bearings to withstand the harsh effects of heavy load, high temperature, dust and water. In order to meet the requirements of metallurgical industry, ZYS R & D teamhas developed bearings products with high quality, high precision and long service life and also can offer the bearing solutions for manufacturers in the metallurgical industry.

Wind power

Construction Machinery

ZYS large-size heavy duty precision bearings are manufactured in our second industry park,which covers 133,333㎡ with total investment of 438 million RMB.
The inner ring,outer ring and rolling elements of bearing under normal working conditions are made of high carbon chromium bearing steel.To meet the special requirements,such as super high speed,wear-resisting,low temperature rising,long life and high reliability etc.,it’s suggested to use hybrid ceramic ball bearings.

Construction machinery

Rail Transportation

ZYS has been committed to the research and development of bearings for rail transportation for a long time to meet the increasing requirements for rail transportation,such as higher speed,load,reliability and etc.

Rail Transportation

Aerospace

ZYS plays an leading role in aerospace bearing industry of China,We has successfully accomplished the bearing assemblies for “Dong fang hong” series man-made satellite,manned spacecraft series from “Shenzhou Ⅰ” to “Shenzhou Ⅹ”,“Chang’E” lunar exploration program,successful docking from “Shenzhou Ⅷ” and “Shenzhou Ⅸ” to Tiangong target aircraft.

Aerospace

Automobile

ZYS automobile bearings include tapered roller bearings,cylindrical roller bearings,deep groove ball bearings and angular contact ball bearings,among which clutch bearings and the hub bearings units of the first,second and third generation are mainly used to gear box,axles,transmission system and other parts of all kinds of automobiles.We have conducted thorough research on wheel hub bearings,clutch release bearing,constant velocity cardan joint,gear box bearings and etc

Automobile

Bearing Manufacturing

ZYS can supply batch production of various bearing manufacturing equipments,like CNC cutting equipments and automatic production line for bearing rings,automatic grinder,superfinishing machine,precision cold rolling machine for bearing rings,semi-automatic multi-purpose grinder for miniature ball bearing rings and other precision manufacturing equipments for bearing.

Bearing manufacturing

Bearing Measuring

Besides all kinds of bearing products,bearing measuring machines are also our main products,which have been exported to India,Iran,Romania,Brazil and many other countries.Our main measuring machines include the instruments for measuring the dimension accuracy,roundness,profile and roughness of bearing parts,the instruments for inspecting bearing performance and other instruments used to automatically inspect and control various parameters during manufacturing process.These instruments are widely used in bearing workshops,inspection stations,measuring room and assembly factories.

Bearing measuring

Bearing Testing

ZYS has conducted in-depth research on bearing testing technology and reliability theory of all kinds of bearings,engaging in the development and manufacture of bearing testing equipments and undertaking the simulation testing,life testing and other performance tests for all kinds of bearings.We can also develop and manufacture the simulation testing machines in full-automatic control for the bearings used in various machineries (aviation,spaceflight,railway,automobile,motorcycle,machine tool,motor,etc.)

Bearing testing

ZYS SERVICES

About ZYS

Since 1958, ZYS has been committed to the research and development of “high-tech, precise, cutting-edge, specialized and special” bearings, and relevant products. Our products have been used for mining, metallurgy, wind turbine generator, machine tool, machinery, medical treatment, automobile, rail transport, etc.

ZYS NEWS

The manufacturing materials of wind turbine bearing

Different materials and heat treatments are used for bearings in different parts, such as heat treatment methods to improve the mechanical properties of 40CrMo steel at low temperatures (ambient temperature -40℃∽-30℃, bearing operating temperature around -20℃) such as impact energy, and control of the hardened layer depth, surface hardness, soft zone width and surface cracks of surface induction quenching.The speed increaser bearing is made of steel equivalent to foreign STF and HTF steel and the optimal content of retained austenite is controlled; the spindle bearing is made of electroslag remelting carburizing steel ZG20Cr2Ni4A as the quality of domestic vacuum degassed steel is still far behind.

2024-07-15 17:01:05 move

The manufacturing materials of wind turbine bearing

2024-07-15 17:01:05

Different materials and heat treatments are used for bearings in different parts, such as heat treatment methods to improve the mechanical properties of 40CrMo steel at low temperatures (ambient temperature -40℃∽-30℃, bearing operating temperature around -20℃) such as impact energy, and control of the hardened layer depth, surface hardness, soft zone width and surface cracks of surface induction quenching.The speed increaser bearing is made of steel equivalent to foreign STF and HTF steel and the optimal content of retained austenite is controlled; the spindle bearing is made of electroslag remelting carburizing steel ZG20Cr2Ni4A as the quality of domestic vacuum degassed steel is still far behind.

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Deep Groove Ball Bearing: An Essential Component for Smooth Rotational Motion

2024-07-10 17:04:34

Introduction:Deep groove ball bearings are a fundamental component in various mechanical systems, playing a crucial role in enabling smooth and efficient rotational motion. These bearings are widely used in a wide range of applications, including automotive, industrial machinery, appliances, and more. In this article, we will explore the construction, working principle, advantages, and common applications of deep groove ball bearings.Construction:Deep groove ball bearings consist of four main components: an outer ring, an inner ring, a cage, and rolling elements (balls). The outer and inner rings have raceways that form a deep groove, hence the name "deep groove ball bearing." The rolling elements are positioned within the raceways and separated by the cage, which ensures their proper alignment and distribution.Working Principle:The primary function of a deep groove ball bearing is to support radial and axial loads while enabling smooth rotational motion. When a radial load is applied, the load is distributed evenly across the balls, which roll along the raceways. This design minimizes friction and reduces energy loss, allowing the bearing to operate with high efficiency. Additionally, deep groove ball bearings can accommodate axial loads in both directions, making them versatile for various applications.Advantages:Versatility: Deep groove ball bearings are available in a wide range of sizes, designs, and materials, making them suitable for diverse applications and operating conditions.High Speed Capability: These bearings are designed for high-speed rotation with low friction and reduced heat generation. They can handle rotational speeds of several thousand revolutions per minute (RPM), enabling efficient operation in demanding applications.Low Maintenance: Deep groove ball bearings are known for their durability and long service life. They require minimal maintenance, resulting in cost savings and increased productivity.Cost-Effective: With their widespread availability and competitive pricing, deep groove ball bearings offer a cost-effective solution for many industries.Applications:Deep groove ball bearings find applications in numerous industries and equipment, including:Automotive: They are used in wheel hubs, transmissions, engines, and other automotive components.Industrial Machinery: Deep groove ball bearings are employed in various machinery, such as electric motors, pumps, conveyors, and gearboxes.Appliances: They are found in household appliances like washing machines, refrigerators, and fans, ensuring smooth and reliable operation.Power Tools: Deep groove ball bearings are essential in power tools, such as drills, grinders, and saws, delivering precision and efficiency.Agricultural Machinery: These bearings are utilized in agricultural equipment like tractors, combines, and harvesters, enduring harsh conditions and heavy loads.Conclusion:Deep groove ball bearings are indispensable components that facilitate smooth and efficient rotational motion in a wide range of applications. Their versatility, high-speed capability, low maintenance requirements, and cost-effectiveness make them a preferred choice for engineers and designers. Whether in automotive, industrial, or household applications, deep groove ball bearings continue to play a vital role in ensuring reliable and precise mechanical performance.

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How can proper maintenance practices extend the service life of spherical roller bearings?

2024-07-04 15:36:20

Proper maintenance practices play a crucial role in extending the service life of spherical roller bearings. Here are some key maintenance practices that can help maximize the lifespan of these bearings:Lubrication: Adequate lubrication is essential for the proper functioning of spherical roller bearings. Regularly lubricating the bearings with the recommended lubricant, in the right quantity and at the correct intervals, helps reduce friction, minimize wear, and prevent premature failure. It's important to follow the manufacturer's guidelines for lubrication, including the type of lubricant, viscosity, and re-greasing frequency.Contamination Control: Keeping spherical roller bearings free from contamination is vital for their longevity. Dust, dirt, moisture, and other contaminants can lead to increased wear, corrosion, and reduced performance. Implementing effective contamination control measures such as proper sealing, using protective covers, and maintaining clean operating environments can significantly extend the bearing's service life.Proper Handling and Installation: Correct handling and installation procedures are critical to prevent damage to spherical roller bearings. Care should be taken to avoid dropping or impacting the bearings during transportation or installation. Additionally, ensuring proper alignment, shaft and housing fits, and the correct tightening of fasteners can help distribute loads evenly and prevent excessive stress and premature failure.Regular Inspection and Monitoring: Regular inspection of spherical roller bearings allows for the early detection of potential issues and enables timely corrective actions. Periodic visual inspections, vibration analysis, temperature monitoring, and other condition monitoring techniques can help identify signs of wear, misalignment, lubrication issues, or other problems that may impact bearing performance. Promptly addressing any identified issues can prevent further damage and extend the bearing's service life.Replacement of Worn Bearings: When spherical roller bearings show signs of significant wear, damage, or reduced performance, they should be promptly replaced. Continuing to operate worn bearings can lead to increased friction, heat generation, and potential catastrophic failure. Regularly monitoring bearing condition and scheduling timely replacements when necessary is essential for maintaining optimal performance and preventing costly equipment downtime.Training and Knowledge: Ensuring that maintenance personnel are properly trained and have a good understanding of the specific maintenance requirements for spherical roller bearings is crucial. Training programs and access to technical resources provided by bearing manufacturers can help maintenance personnel acquire the necessary knowledge and skills to perform effective maintenance practices.By implementing these proper maintenance practices, industrial equipment owners can effectively extend the service life of spherical roller bearings, reduce downtime, and minimize overall maintenance costs. It is important to refer to the specific manufacturer's recommendations and guidelines for maintenance procedures relevant to the particular spherical roller bearings being used.

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