探花精选

探花精选., Ltd

EN

探花精选., Ltd
EN

HOT PRODUCTS

View More
探花精选., Ltd.

探花精选., Ltd., established in March 2015, is a key player in ball screw manufacturing. HOJAMA delivers expert industrial manufacturing and automation solutions, offering comprehensive R&D, production, sales, and support services. We specialize in precision position control components, including ball screws, lead screws, linear guideways, ball splines, and linear modules, with a monthly production of 30,000 sets.

VIEW MORE
WHY CHOOSE HOJAMA
Quality First / Service Always

Superior Quality

HOJAMA is dedicated to upholding the highest standards of quality and service. Our products are meticulously crafted under stringent production processes, and each item undergoes rigorous quality inspections to ensure excellence. We prioritize both precision and reliability, guaranteeing that every product meets our superior quality benchmarks.

Competitive Price

We offer a 100% guarantee of quality products at competitive prices, providing you with exceptional quality while ensuring you get your money.

Custom Service

HOJAMA provides bespoke services tailored to meet specific requirements, ensuring that every design and production detail is customized according to the unique specifications provided by our customers. This personalized approach guarantees that each project is completed to the highest standards, aiming for exceptional satisfaction and exceeding expectations.

Quick Response

Our expert marketing and after-sales service teams are available 7x24 to assist you. We are committed to delivering prompt and effective support to ensure you have a flawless and satisfying experience with our products and services. Whether you need assistance with product price, product details, or any other questions, our specialists are ready to provide professional guidance and customized solutions to address your specific needs.

QUALIFICATION CERTIFICATE

NEWS

Learning More About Technique

COMPANY NEWS INFORMATION
VIEW MORE +
What is the difference between a lead screw and a ball screw?
Ball screws and lead screws are two commonly used drive components in mechanical systems, each with its advantages and disadvantages. ? What are ball screws and lead screws? ——Ball screw assemblies consist of a screw, nut, steel balls, return mechanism, and dust protector. They can effectively transform rotational motion into linear movement, or convert torque into consistent, axial force output. ——Lead screw assemblies are made up of a screw shaft and a nut. The precision linear screw typically features a trapezoidal thread, while the nut mates with the screw shaft to achieve motion transfer. ? ? What is the difference between a lead screw and a ball screw? ? ——Efficiency: High-performance Ballscrew has a transmission efficiency between 90% and 99%, significantly higher than high-performance lead screws, which have an efficiency of 25% to 50%. Ball screw and nut achieves higher efficiency due to their use of rolling friction, while leadscrews rely on sliding friction. As a result, ball screws consume less energy, which helps lower operating costs. ? ? ——Precision and Play: Ball screws reduce friction through the use of steel balls and can eliminate play through preload, achieving nearly zero backlash. In contrast, lead screws, due to sliding friction, cannot achieve zero play, resulting in lower precision and stability. ? ——Self-locking: High-precision Lead screws feature good self-locking properties which can help them to hold their position without external force. Ball screws with low friction, however, typically lack self-locking ability, especially when the pitch is large. ? ——Heat Generation and Longevity: CNC machine ball screws generate much less heat, making them suitable for high-speed operation and offering longer service life. Lead screws, due to their sliding friction, produce more heat during extended use, requiring additional cooling, and generally have a shorter lifespan. ? ——Application: Ball screws are commonly used in high-precision applications like CNC machines and positioning tables where precision and efficiency are critical. Lead screws are more suitable for applications with lower precision requirements and smaller loads, such as simple force transfer mechanisms. ? ——Cost: Ball screws are more complex and thus more expensive. However, the price gap is narrowing as automation equipment becomes more widespread and production technology improves. Lead screws, with their simpler structure and lower cost, are ideal for budget-conscious applications. ? ? Both ball screws and lead screws come with their unique advantages and drawbacks.?Choosing between ball screws and lead screws should be based on the specific requirements of the application, budget constraints, and the needed levels of precision and efficiency.
  • 18
    2024-10
    HOJAMA Highlighted Miniature Ball Screws at Xiamen
    From May 9 to 12, 2024, the Xiamen Industrial Expo was held at the Xiamen International Exhibition Center (Xiang'an District), focusing on new low-carbon industries such as industrial automation, CNC machine tools, lasers, electronic information, optoelectronics, renewable energy, ecological environmental protection, and smart construction. This event aimed to support the digital upgrade and development of the industrial sector. ? As a comprehensive provider of precision linear motion components, HOJAMA showcased a variety of one-stop solutions at the event. We also had technical experts on-site to discuss and share insights on cutting-edge technologies, offering optimal solutions for customers' automation upgrades. Through interactions with potential clients, we gained a better understanding of their needs and product application areas, providing our product catalogs and contact information for easier product selection. During the exhibition, we showcased drive products such as ball screws, lead screws, and linear guideways. Notably, we highlighted our miniature ball screws, which can achieve a minimum diameter of 3mm. These high-accuarcy miniature ball screws are characterized by high precision, low noise, and long lifespan, playing a crucial role across various industrial sectors. They met the demands for reduced equipment size and lightweight design, providing strong technical support for the development of high-end manufacturing. The exhibition proved to be a rich and fulfilling experience. Firstly, the scale of the event was impressive, with numerous exhibitors offering us a comprehensive insight into the current state and future trends of the industry. Throughout the visit, we experienced the vitality and innovation within the sector and encountered many eye-catching new products and technologies. ? ?
  • 06
    2024-09
    What should be noted when using ball screw grease?
    Ball screws are widely used as precision transmission components due to their long service life, high rigidity, high efficiency, high sensitivity, and zero backlash characteristics. Proper lubrication is essential for ball screws, as insufficient lubrication can increase friction and wear, leading to failure or reduced lifespan. When using ball screw grease, the following points should be noted: ? Check lubrication status: Before using the well-engineered ball screw, ensure that the lubrication is in good condition. Poor lubrication can cause the ball screw to lose functionality within a short period. ? Ball screw grease application: If grease has already been applied to the reliable ball screw, it can be used directly. However, if dust or debris adheres to the surface of the grease during use, clean it off with an appropriate solvent. ? Replacing ball screw grease: After cleaning the ball screw, reapply new grease of the same type as the original. Avoid mixing different types of grease, as this can negatively affect the ball screw's performance. ? Regular ball screw grease inspection: It is recommended to inspect the grease 2 to 3 months after initial use. If the grease appears noticeably dirty, remove the old grease and apply fresh grease to ensure optimal ball screw performance and extend its lifespan.
  • 13
    2024-09
    What are the methods of ball screw mounting?
    Since ball screws operate with rolling motion, they are more efficient compared to lead screws, achieving a conversion efficiency of η = 88% -96% for rotary motion to linear motion. Additionally, precision ball screws, which are machined to a fine degree, can achieve micron-level feeding accuracy. When used in lifting mechanisms, measures such as braking must be implemented, such as using servo motors with brakes. ? Ball Screw Mounting Method? ? ? ?? ? 1. Fixed-Free ? ? This installation method has a low load capacity and low axial stiffness, making it suitable only for short screws. ? Characteristics: This method features a simple structure, with low axial stiffness and critical speed, resulting in poor stability for the screw. It is commonly used for short strokes and vertical drive systems where one end is free, typically combined with angular contact bearings. ? 2.?Fixed-Support ? ? One end is fitted with a thrust bearing, while the other end is fitted with a deep groove ball bearing. When the ball screw is relatively long, the thrust bearing is fixed at one end, and the deep groove ball bearing supports the other end. To reduce the impact of thermal deformation on the screw, the mounting position of the thrust bearing should be kept away from heat sources. ? This installation method is the most typical and commonly used for ball screw mechanisms, suitable for medium speeds with high stiffness and precision. ? Note that the supporting end has relatively low rigidity, with one end using a combined angular contact bearing and the other a deep groove ball bearing. ? 3.?Fixed-Fixed ? This method can withstand high axial loads, with the axial stiffness of the screw being approximately four times greater than that of the fixed-support mounting method. It is suitable for applications requiring high speed, high precision, and relatively long screws, particularly in high-rigidity CNC machines. ? A key feature of this support method is that the ball screw is pre-tensioned to compensate for thermal deformation caused by frictional heat during high-speed rotation, with both ends fitted with combined angular contact bearings in a DT-DB arrangement. ? However, this structure has drawbacks; adjustments can be cumbersome. If the pre-tension at both ends is too high during installation, the actual travel of the ball screw may exceed the designed travel, resulting in a larger pitch than intended. Conversely, insufficient pre-tension on the nuts can cause the opposite effect, potentially leading to machine vibration and decreased precision. ? 4.?Support-Support ? ? This method is suitable for general applications that require medium speed and do not have high demands for stiffness and precision. The structure is simple, with low rigidity and poor load-bearing conditions, leading to less frequent use. Both ends are fitted with deep groove ball bearings. ?
  • 20
    2024-09
    How to use go /no go gauge check ball screw thread?
    Thread Tolerance Standards Unified Inch Thread - External threads: classified into grades 1A, 2A, and 3A. - Internal threads: grades 1B, 2B, and 3B. Higher grade numbers mean tighter fits, which is crucial for mechanical assembly compatibility. Metric Thread - Grades like 4h, 6h, and 6g define tolerances for external threads for precise fits in various applications. ? ? Go and No-Go Gauges Importance - Essential tools in precision mechanical manufacturing and quality control. Crucial to inspect if threaded components, including those related to ball screws, conform to standards to prevent assembly issues and ensure mechanical system reliability. Manufacturing Standards - Produced according to international and national standards like ISO, ANSI, and DIN to ensure thread accuracy and compatibility, which is vital for quality control in ball screw manufacturing. Function 1) Go Gauge (“T”) - Verifies minimum tolerance limits of threads. If it can't fully screw into a threaded component (e.g., a ball screw thread), it indicates the thread is smaller than the permitted minimum size, potentially leading to fastening and mechanical failure. It must be calibrated regularly. ? 2)?No-Go Gauge (“Z”) - Verifies maximum tolerance limits of threads. Should only screw into the component to a specific depth (usually one-third). If it goes deeper, the thread exceeds the standard maximum size, indicating non-compliance. Efficiency in Quality Control More efficient than individual precision instrument measurements. Provide a quick way to ensure products, including ball screw components, fall within tolerance ranges, enhancing manufacturing productivity. Practical Application For example, with ball screws, if the Go gauge passes smoothly, the thread meets the minimum size requirements. Then the No-Go gauge is used to check maximum size compliance. If it turns more than the specified limit, the thread is non-compliant and should be discarded. The Go gauge is always longer than the No-Go gauge as the Go gauge should fit while the No-Go gauge indicates non - compliance. Differences Between Go and No-Go Gauges The Go gauge ensures parts, such as those of ball screws, fit snugly within the specified tolerance range to confirm compliance. The No-Go gauge is designed to not exceed the upper tolerance limit, marking oversized components as unacceptable. ? ? ? Go and No-Go gauges are vital for ensuring threaded components adhere to standards. Their efficient use in quality control helps manufacturers maintain high-quality products, avoid costly assembly problems, and produce reliable mechanical systems, enhancing safety and operational efficiency.
Why Are Ball Screws the Backbone of Medical Robots?
{"title":"Why Are Ball Screws the Backbone of Medical Robots?","main_abstract":"","image":"//i.bosscdn.com/rsrc/2024/12/20/16/5aa77feec5ba4e5228ae5c283dbfb1b1.png","head":[{"type":"text","value":"Ball screws are essential components in medical devices, providing the precision and reliability necessary for various applications in healthcare technology. They convert rotational motion into linear motion through a cylindrical shaft with helical grooves and steel balls, allowing smooth and accurate movement while minimizing friction. This high efficiency and durability make ball screw kit ideal for critical tasks such as imaging, blood pumping, and surgical procedures, where even minor inaccuracies can have significant consequences. Their applications range from lab conveying equipment and blood pumping devices to digital scanning and radiotherapy equipment, ensuring consistent performance and enhancing the functionality of medical instruments. Designers must consider factors like lead accuracy and load conditions to meet the stringent requirements of medical applications. As the demand for advanced medical technologies grows, the role of ball screw set in ensuring precise motion control will become increasingly vital, ultimately improving patient outcomes and the safety of medical equipment."},{"type":"image","value":"//bsg-i.nbxc.com/product/31/c2/36/cc87a0979d843fd702759341ad.png"}],"content":[{"h2":"Why Ball Screws Are Essential for Medical Robots?","content":"Precision and reliability are paramount in the rapidly evolving field of medical robotics. The high-precision ball screws are not just mechanical parts; they are the backbone of many medical devices, enabling accuracy in movement that can be life-saving.\n\nThe need for seamless operation in surgical robots stands out. Surgeons require tools that respond with pinpoint accuracy, especially in delicate procedures. This is where ballscrews come into play. They convert rotational motion into linear motion, allowing smooth and precise movements. Without them, the functionality of medical robots would be severely compromised.\n\nTo illustrate this, consider a robotic surgical system. The precision ball screws within these systems ensure that instruments can be maneuvered with the utmost precision. If a ball screw assembly fails or is not properly calibrated, the consequences could be dire. The potential for human error increases, and the reliability of the entire system comes into question.\n\nThe advantages of using high-speed ball screws in medical robotics are numerous. They offer high load capacity, low friction, and exceptional durability. This means that the robots can operate effectively over extended periods, which is essential in a medical setting where time and precision are critical.\n\nIn conclusion, the ball screw and nuts are indispensable in the realm of medical robotics. Their ability to facilitate accurate and reliable movement directly impacts patient outcomes. The integration of ball screws not only enhances the functionality of medical robots but also elevates the standard of care provided to patients."},{"h2":"The Secret Sauce: How Ball Screws Power Medical Robotics","content":"I. The Importance and Key Role of Ball Screws in the Field of Medical Robotics\nIn the realm of medical robotics, precision and reliability are of paramount importance. Linear Ball screws are capable of meeting the rigorous demands of medical applications while guaranteeing accuracy. They are often overlooked yet vital components that drive these advanced machines. They can efficiently transform rotational motion into linear motion. Compared to traditional lead screws, they can achieve smoother operation and enjoy a longer lifespan thanks to their low friction.\n\nII. Advantages of Ball Screws in Medical Robotics\n\n1) Enhanced Precision\nThey are designed to offer highly accurate movement, which is crucial in surgical robots. Since even the slightest deviation can result in complications, their ability to maintain precise positioning ensures that surgical procedures can be carried out safely and effectively.\n\n2) Reduced Wear and Tear\nThanks to their low friction characteristics, they undergo less wear over time. In the medical setting where equipment must be reliable and ready for use at all times, their long lifespan means fewer replacements, lower maintenance costs, and increased uptime for medical devices.\n\n3) High Load Capacity\nMedical robots frequently need to handle substantial weights, whether it's the robotic arm itself or the instruments it manipulates. Ball screws can accommodate these loads without sacrificing performance, making them ideal for a variety of surgical applications.\n\n4) Smooth Operation\nThe smooth motion provided by ball screws contributes to the overall performance of medical robots. This is particularly significant in delicate surgical procedures where jerky movements can cause harm. Smooth operation leads to better outcomes for patients.\n\nIII. Steps for Effectively Using Ball Screws in Medical Robotics\n\n1) Select Appropriate Specifications\nEvaluate the specific requirements of the robotic application, including load capacity, speed, and precision. Choosing the right ball screw will ensure optimal performance.\n\n2) Integrate with Control Systems\nEnsure that the ball screw is compatible with the existing control systems of the robot. Proper integration is the key to achieving the desired motion and responsiveness.\n\n3) Conduct Regular Maintenance\nAlthough ball screws are durable, regular inspections and maintenance can extend their lifespan. Establish a routine to check and lubricate the screws as needed."},{"h2":"Unveiling the Role of Ball Screws in Cutting-Edge Medical Devices","content":"I. The Significance of Ball Screws in Medical Devices\n\nIn the fast-developing field of medical technology, the demand for precision and reliability in medical devices has reached an unprecedented level. While exploring the complexities of this area, I've recognized that the linear motion ball screw, which is often overlooked, plays a critical role. Comprehending its function can have a significant impact on both device performance and patient outcomes.\n\nMany medical devices, including surgical robots and imaging equipment, depend on precise linear motion. Ball screws play a key part here as they can convert rotary motion into linear motion with remarkable accuracy, guaranteeing the reliable functioning of these devices. However, different ball screws vary in quality. Users usually encounter challenges regarding wear and tear, load capacity, and maintenance, and these problems may cause device malfunctions and eventually influence patient care.\n\nII. Key Considerations for Selecting and Utilizing Ball Screws in Medical Devices\n\n1) Material Selection:\nSelecting the appropriate material is of great importance. Stainless steel and special alloys provide durability and corrosion resistance, which are indispensable in a medical environment.\n\n2) Load Capacity:\nIt's essential to understand the load requirements of the device. Ball screws need to be able to handle the specific forces they will experience during operation.\n\n3) Maintenance Practices:\nRegular maintenance can prolong the lifespan of ball screws. Establishing a routine inspection and lubrication schedule can avoid unexpected failures.\n\n4) Precision Engineering:\nOpting for high-precision ball screws can improve the accuracy of medical devices. This is especially crucial in applications that demand meticulous movements, like robotic surgeries.\n\n5) Supplier Reliability:\nCollaborating with reliable suppliers ensures access to high-quality components. An established supplier can offer valuable advice and support throughout the product life cycle.\n\nIII. The Impact of High-Quality Ball Screws on Medical Devices\n\nBy concentrating on these aspects, I've witnessed how the integration of high-quality ball screws can boost the performance of medical devices. The outcome is not only enhanced functionality but also greater safety for patients relying on these technologies.\n\nIV. Conclusion\n\nIn conclusion, the role of ball screws in medical devices is crucial. They are not just simple components but are essential to the reliability and precision of critical healthcare technologies. As we keep innovating and making improvements, understanding and optimizing the use of ball screws will be vital for providing the best possible care to patients.\n"},{"h2":"Why Every Medical Robot Needs Reliable Ball Screws to Succeed","content":"The Crucial Role and Importance of Ball Screws in Medical Robots: \n\nI. The Central Position of Component Reliability in the Field of Medical Robots\n\nIn the rapidly evolving field of medical robots, the reliability of components plays a decisive role in the overall success of these sophisticated and intricate machines. Among the numerous components, ball screws are particularly critical as they directly affect the performance and precision of medical robots.\n\nII. The Severe Impact of Component Failure on Medical Robots\n\nI have frequently witnessed situations where the malfunction of a single component leads to significant operational problems. Medical robots, which are designed to assist in delicate surgical procedures, once a failure occurs, it will not only disrupt the surgical process but also endanger patient safety. Therefore, reliable ball screws are essential for ensuring the optimal functionality of medical robots.\n\nIII. Reasons Why Ball Screws Are of Paramount Importance in Medical Robots\n\nPrecision and Accuracy\nMedical surgeries demand an extremely high degree of precision. Balls and screws can achieve smooth and precise motion control, which is crucial for minimally invasive surgeries.","image":"//i.bosscdn.com/rsrc/2024/12/20/16/ee101fb6c256b786ee20276d93953bb8.png"}],"pubdate":"2024-12-20"}
  • 11
    2024-12
    How does Tesla achieve innovative breakthroughs in the application technology of linear screw products?
    一、Tesla has achieved multiple innovative breakthroughs in the application technology of lead screws in the fields of automobiles and humanoid robots. In the automotive field, the application of ball screws in cars is mainly for steering, parking brakes, service brakes, and other aspects such as seats, sliding doors, and high-end shock absorption systems. REPS uses ball screws and can output a thrust of up to 16KN. Currently, the market's EPB brake calipers mainly use two transmissions: threaded and ball screws. Ballscrews have high efficiency, long service life, and stable movement, but they are relatively high in cost. ? ? Technological breakthroughs by domestic enterprises are expected to drive an increase in the penetration rate. One box and EMB products will both use ball screws. In the future, an increase in penetration rate will promote the roller screws application. Overall, in the future, the unit value of ball screws for automobiles is expected to reach 1,000 yuan, and the market for ball screws at the vehicle end is expected to exceed 10 billion yuan. If the use in areas such as seats, sliding doors, and suspensions and safety redundancy are considered, and if spare parts also use ball screws, the unit value of ball screws will be even higher. ? In terms of humanoid robots, Tesla's humanoid robot Optimus selects a harmonic reducer solution for rotating joints, while for linear joints, it selects a planetary roller screw + trapezoidal screw solution. Among the 14 linear joints, 10 joints select the planetary roller screw solution, and 4 joints select the trapezoidal screw solution. As one of the core reduction components of humanoid robots, planetary roller screws play a crucial role in walking movements. Its structural design is reasonable and mainly consists of parts such as screws, rollers, nuts, inner gear rings, cages, and elastic retaining rings. ? Through the rolling of planetary rollers on the screw, rotational motion is converted into linear motion, thereby achieving precise displacement of the robot. It has performance characteristics such as high precision, high load-bearing capacity, long service life, and low noise. ? In addition, with the introduction of Tesla's Cybercab and Robovan, under the leadership of new models and Robotaxi, the company's innovation cycle is approaching, and the automotive sector will usher in a turning point. The new version of Tesla's dexterous hand has debuted, with a significant increase in degrees of freedom. It is expected that hollow cup motors and brushless slotted motors will become mainstream in driving devices. The transmission device is currently at a critical time point of switching from tendon ropes to lead screws. The value of both hands is 55,000 - 106,000 yuan, which is beneficial to suppliers in the screws industry chain. ? In conclusion, Tesla has achieved performance enhancements and technological breakthroughs through innovative applications of lead screws in the automotive and humanoid robot fields. ? 二、Where are the ball screws of Tesla cars applied? ? ? Ball screws of Tesla cars are widely applied in multiple aspects. In the steering system, REPS using ball screws can output a thrust of up to 16KN, which is more advantageous than the traditional DP-EPS with a maximum thrust of 12KN. In terms of parking brakes, currently, the market's EPB brake calipers mainly use two transmissions: threaded and ball screws. Ball screws have advantages such as high efficiency, long service life, and stable movement, but they are relatively high in cost. In the future, with technological breakthroughs by domestic enterprises, it is expected to drive an increase in the penetration rate. In service brakes, one box and EMB products will both use ball screws. In the future, an increase in penetration rate will promote the application of roller screws. In addition, ball screws are also expected to be used in seats, sliding doors, and high-end shock absorption systems. Overall, in the future, the unit value of ball screws for automobiles is expected to reach 1,000 yuan, and the market for ball screws at the vehicle end is expected to exceed 10 billion yuan. If the use in areas such as seats, sliding doors, and suspensions and safety redundancy are considered, and if spare parts also use ball screws, then the unit value of ball screws will be even higher. ? 三、What are the advantages of ball screws in Tesla cars? ? Ball screws in Tesla cars have multiple advantages. Firstly, their transmission efficiency is high, reaching up to 90%. They can ensure precise positioning at high speeds and have low friction. Secondly, in automotive applications, ball screws show stronger performance than traditional transmission methods in systems such as steering and braking. For example, in the steering system, the output thrust is greater; in terms of parking brakes, it has characteristics such as high efficiency, long service life, and stable movement. In addition, Tesla's ball screws are homologous with electric vehicle technology, which is beneficial for cost reduction. The mature supply chain can be directly transferred. At the same time, Tesla's humanoid robot shares data sources with electric vehicles. The release of supercomputing Dojo can conduct large-scale AI training and accelerate the iteration of FSD, which also provides support for the technological development of ball screws. ?
  • 04
    2024-12
    What are the differences in the application of screw products between domestic new energy vehicles and Tesla vehicles?
    The differences in the application of screw products between domestic new energy vehicles and Tesla vehicles:   一、Application    1. Domestic new energy vehicles: 1) Battery production and assembly: The ball screw assembly is widely used in the winding and stacking processes of cell manufacturing and the module installation of battery packs to ensure the production accuracy and assembly quality of batteries.   2) Body manufacturing: During body welding, ball screws and nuts are used to drive welding equipment to position welding points accurately. In parts assembly, they help install components such as motors, reducers, and suspensions smoothly and accurately.   3) Final assembly stage: During interior installation, precision ball screws assist in accurately positioning components such as dashboards and seats. The installation and debugging of opening and closing components such as doors and trunks also use the lead screw mechanism to ensure smooth and accurate control of opening and closing actions.   2. Tesla vehicles: 1) Super factory automated production line: In chassis assembly, the ball screw set precisely drives tooling fixtures to complete the combination of chassis parts. Each part's splicing and fixation are strictly controlled during the automated assembly of the body frame.   2) Battery manufacturing and integration: In the self-developed battery production process, linear motion ball screws precisely control the actions of each process in cell production. When assembling battery modules and integrating battery packs into the vehicle body, they ensure the accuracy of each module's position and connection.   3) Intelligent driving related: When installing sensors and control units of intelligent driving systems, the precision ballscrews achieve millimeter-level accurate positioning to ensure the reliable operation of intelligent driving functions.   4) Humanoid robot field: In the research and development of the humanoid robot Optimus, planetary roller screws are used as the core driving components of robot joints, enabling it to complete complex actions and tasks.   二、Application depth and innovation   1. Domestic new energy vehicles: The application of ball screws kit is mostly concentrated in traditional automotive manufacturing links such as batteries, bodies, and final assembly. The application in some emerging technologies and special design fields is relatively less, and the overall application mode is relatively conventional. However, with technological development, continuous exploration and innovation are also underway. For example, some car companies have begun to try more advanced lead screw technology applications on high-end models or concept cars.   2. Tesla vehicles: In addition to applications in traditional manufacturing links, Tesla has also deeply expanded the application of lead screws in cutting-edge fields such as humanoid robots, demonstrating its leadership in technological innovation and cross-domain applications. In addition, Tesla's front windshield wiper of the Cybertruck adopts an electromagnetic moving block and guide rail design, abandoning traditional motors and linkage mechanisms, which is also a unique innovative application.   三、Screw production type preference   1. Domestic new energy vehicles: Ball screws are widely used. Some car companies have also begun to gradually explore the application of higher-precision and high-performance lead screws such as planetary roller screws, but the overall proportion is relatively small.   2. Tesla vehicles: In the humanoid robot Optimus, planetary roller screws are used as the joint driving components, giving full play to their advantages of high transmission efficiency, high precision, long service life, and strong load capacity. However, in its automotive products, the specific application details of different types of lead screws have not been fully disclosed.   四、Supply chain source   1. Domestic new energy vehicles: The supply sources of screw products for domestic new energy vehicles are relatively wide, including both domestic professional screw manufacturers and some internationally renowned brands. In recent years, with the development of the domestic screw industry, the application proportion of domestic screws in the field of new energy vehicles has gradually increased. Some domestic enterprises, through independent innovation and technological upgrading, have been able to provide high-quality screw products for domestic new energy vehicles. Enterprises such as Beite Technology and Best have actively laid out in related fields and have achieved a certain market share.   2. Tesla vehicles: The screw production supply chain for Tesla's automotive products is relatively more global, and it has established long-term and stable cooperative relationships with internationally renowned screw suppliers. At the same time, Tesla's own strong technological research and development and supply chain integration capabilities give it a high degree of discourse and flexibility in choosing screw suppliers, enabling it to ensure the quality and supply stability of screw products and also playing a positive role in promoting the development and innovation of screw technology.  
  • 06
    2024-11
    How do you know if a ball screw is bad?
    Fault Diagnosis Methods and Technologies   1. Vibration Analysis Method 1) Vibration signal acquisition Collect the vibration signals of the linear motion ball screw pair through acceleration sensors or displacement sensors.   2) Signal Processing Utilize signal processing techniques such as filtering and envelope to extract information such as fault characteristic frequencies and amplitudes.   3) Fault Diagnosis Based on the characteristics of the vibration signal, determine whether there is a fault in the ball screw and ball nut assembly and its type.     2. Noise Analysis Method 1) Noise Acquisition Use noise sensors to collect noise signals when the ball screw pair is in operation.   2) Noise Analysis Perform spectral analysis and sound pressure level analysis on the collected noise signals to extract the features of the noise.   3) Fault Diagnosis Determine the fault types of the ballscrew pair, such as ball wear and screw bending, according to the noise characteristics   3. Temperature Detection Method 1) Temperature Sensor Install temperature sensors at the critical parts of the ball screw assemblies to monitor temperature changes.   2) Temperature Analysis Process and analyze the temperature data, and extract temperature characteristics such as temperature changing trends and temperature rising rate.   3) Fault Diagnosis   Determine whether there is a fault in the ball screw kit, such as poor lubrication and overload, according to the temperature characteristics.   4. Lubricating Oil Analysis Method 1) Lubricating oil collection Regularly collect lubricating oil samples of the ball screw pair.   2) Analysis of the Oil Sample Conduct physical and chemical property analysis, metal element analysis, contamination degree analysis, etc. on lubricating oil.   3) Fault Diagnosis Based on the analysis results of the lubricating oil, determine the wear condition, lubrication state, and fault type of the ball screw pair. For example, if the content of metal elements in the oil exceeds the standard, it may indicate that the balls or the screw are worn.
  • 02
    2024-11
    What is the maintenance of a ball screw?
    Failure Prevention and Maintenance of Ball Screw Sets 1. Regular inspection and maintenance   1) Check the wear condition of the ball screw pair The entire wear inspection encompasses the balls, screw shaft, and nuts. Severely worn components should be replaced promptly.   2) Check the straightness and curvature of the screw shaft Ensure that the straightness and curvature of the ballscrew shaft are within the allowable range to prevent the accuracy from being affected due to deformation.     3) Cleaning and Lubrication Regularly clean the screw shaft and nut, and apply an appropriate amount of lubricating oil to keep the ball screw assembly clean and lubricated.   2. Reasonable use and operation specification   1) Avoid overloading operation During use, avoid overloading operation to prevent damage to the ball screw pair.   2) Smooth Operation Avoid violent shaking and impact, and ensure that the ball screw pair operates in a stable state.   3) Proper installation and removal Install and disassemble according to the specified steps and requirements to avoid causing damage or affecting precision.   3. Lubrication and Sealing Management   1) Select an appropriate lubricant Based on the usage environment and requirements, select a suitable lubricant to ensure the smooth operation of the ball-screw pair.   2) Regularly inspect the lubrication Regularly check the lubrication status of the ball screw pair, and replenish the lubricant in time to prevent damage due to poor lubrication.     3) Sealing Management Strengthen the sealing management of the ball screw pair to prevent dust, foreign matters, etc. from entering the inside of the screw pair.   4. Establish a fault-warning mechanism   1) Vibration Monitoring Monitor the vibration of the CNC ball screw kit in real-time through vibration sensors and detect abnormal conditions in time.   2) Temperature Monitoring Monitor the temperature change of the ball screw pair in real-time through temperature sensors and detect abnormal conditions such as overheating in time.   3) Regular Inspection and Maintenance Establish a regular inspection and maintenance mechanism, detect and deal with potential faults in time, and ensure the stable operation of the high-speed ball screw.  

CONTACT US

No.28 Xinchang Road, Suzhou Industrial Park, Jiangsu Province, China

WhatsApp

+86 13151467999

Email

augus@hojama-tech.com

WeChat

+86 13151467999

Please Leave Us A Message

Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.

We will contact you immediately

Fill in more information so that we can get in touch with you faster

Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.

Upload Attachment
Send