News Information_Maoming

When discussing lead screws, we can consider aspects from the brand (THK, HTPM), whether imported or domestic, to the specific model, size, and application. But what exactly defines a lead screw? Let's explore: Lead screws are transmission components that convert rotary motion into linear motion, or vice versa. Components of a Lead Screw: Screw: A slender shaft with helical grooves, forming the main part of the lead screw. Nut: Mates with the screw, containing corresponding helical grooves, allowing axial movement along the screw. Ball Bearings (in some lead screws): Located between the screw and nut, these reduce friction through rolling, improving transmission efficiency and precision. Other Components: Such as reverse mechanisms, dust covers, and lubrication systems, which ensure proper operation and longevity. Working Principle: A motor drives the lead screw to rotate. The nut on the screw shaft, driven by the rotating threads, achieves linear reciprocating motion, converting the motor's rotational torque into the linear driving force needed for equipment movement. Applications: Machine Tools: Used for workpiece feed, tool movement, etc. Automated Equipment: Such as robots and automated production lines, for precise positioning control. Aerospace: Used in aircraft attitude control, engine adjustment, etc. Automotive: Used in automotive steering systems, suspension systems, etc. Medical Devices: Such as CT scanners and MRI machines, for precise scanning and positioning.

2025

What are the differences between ball screws and ball splines?

Ball screws and splines are two common mechanical transmission components. They have some differences in structure, function, and application scenarios. Currently, there are many brands of ball screws and splines on the market, including THK, HIWIN, HTPM, and many other domestic brands. Therefore, it is necessary to confirm the relevant dimensions when selecting them. The following are their main differences: - Structural characteristics: A ball screw consists of a screw, nut, and rolling elements. The rolling elements roll between the screw and nut, achieving high-precision linear motion transmission; a spline consists of an internal spline and an external spline. Both the internal and external splines are multi-tooth parts that transmit torque and motion through the mutual engagement of the teeth. - Working principle: A ball screw converts rotary motion into linear motion, or linear motion into rotary motion; a spline is mainly used to connect two shafts and allows relative rotation between the shafts while transmitting torque. - Application scenarios: Ball screws are widely used in CNC machine tools, automated equipment, and industrial robots; splines are often used in automobiles, ships, and aerospace. - Load-carrying capacity: Ball screws have a relatively high load-carrying capacity and can withstand large axial and radial forces; splines have a relatively low load-carrying capacity and are suitable for transmitting smaller torques. - Transmission efficiency: Ball screws have relatively high transmission efficiency and can achieve high speed and accuracy; splines have relatively low transmission efficiency and are suitable for occasions with low speed and accuracy requirements. - Installation method: Ball screws usually need to be installed on special guide rails to ensure the accuracy of their linear motion; the installation method of splines is relatively simple and can usually be directly installed on the shaft.

2025

How can the precision of THK ball screws be maintained?

There are many brands and types of ball screws. Today, let's talk about THK ball screws. There are those made in Japan and those made in China, but the methods for maintaining the accuracy of THK ball screws are the same. We can start from the following aspects: 1. Correct Installation: • Ensure the surfaces of the screw and nut are clean and dust-free to prevent impurities from entering the ball circulation system. • Use high-precision measuring tools for accurate installation and positioning, ensuring the installation accuracy of the screw and nut, especially the parallelism and perpendicularity of the screw axis to the guide rail. • Apply appropriate preload to eliminate backlash, improving transmission accuracy and rigidity. • Choose an appropriate support method, using high-precision bearings and support seats to ensure the screw remains stable during movement. 2. Effective Lubrication: • Use a suitable lubricant to ensure the balls remain well-lubricated during movement, reducing wear. • Regularly check the lubrication status and lubricate according to the manufacturer's recommended maintenance cycle. 3. Protection and Sealing: • Install protective covers or sealing devices to prevent dust, chips, and other impurities from entering the ball screw. • Regularly check the sealing effect of the protective device to ensure its proper operation. 4. Precise Adjustment and Calibration: • After installation, perform adjustments and calibrations to ensure the running accuracy and stability of the ball screw. • Use high-precision measuring tools for calibration, such as laser interferometers and optical scales. 5. Professional Maintenance and Servicing: • Regularly perform maintenance and servicing, checking the running status of the ball screw and replacing worn parts in a timely manner. • Avoid overload operation to reduce deformation and damage to the ball screw. 6. Control Environmental Factors: • Temperature changes, high humidity, vibration, and other external conditions will affect the accuracy of the ball screw. • Measures should be taken to control these factors, such as a constant temperature environment and vibration reduction measures. 7. Lead Error Compensation: • For existing lead errors, lead error compensation technology can be used to optimize the positioning accuracy of the ball screw. By comprehensively applying the above measures, the accuracy of the THK ball screw can be effectively maintained, its service life can be extended, and its stable operation in high-precision and high-efficiency applications can be ensured.

2025

Major News—Kate Precision Machinery and Guangzhou Jiamei Sign Strategic Cooperation Agreement

This month, Kate Precision Machinery and Guangzhou Jiamei held a signing ceremony for a strategic cooperation agreement. Su Chunguang, chairman of Kate Precision Machinery, and Luo Jingdong, chairman of Guangzhou Jiamei Machine Tool, signed the strategic cooperation agreement on behalf of both parties. Other leaders were also present and witnessed this exciting moment. In the agreement, the chairman of Kate Precision Machinery expressed gratitude for the long-term support of Guangzhou Jiamei Machine Tool and introduced Kate Precision Machinery's strategic plan, adhering to the brand concept of "high precision, high quality, high value." This concept is highly consistent with Guangzhou Jiamei's business philosophy of "quality assurance for the future." At the signing ceremony, it was hoped that both parties would take this signing as a starting point, look to the future, and work together to achieve mutual benefit and win-win results, jointly promoting the upward and positive development of the machine tool industry. Afterwards, Guangzhou Jiamei Machine Tool visited Kate Precision Machinery's exhibition hall, production workshop, and research laboratory for an in-depth understanding, further enhancing mutual understanding for cooperation.

2025

The Great Use of Clamps - Normally Closed Type

Small clamping devices (guide rail locks, clamps) have a big role and are used in many fields. They can work perfectly with linear guide sliders (THK linear guide sliders, HIWIN linear guide sliders, HTPM linear guide sliders). I. Working Principle The pneumatic normally closed clamp uses air pressure as a power source. It uses spring energy acting on a wedge block to achieve clamping, and uses air pressure to release the clamping. This design ensures that even in extreme cases of power failure or air pressure failure, the clamp can automatically lock, effectively preventing accidental movement and falling during the production process. It should be noted that the wedge block should not be removed before use, otherwise it will damage the components. II. Features and Advantages 1. Excellent Safety Performance: • Normally Closed Design: Remains closed when there is no air pressure, effectively preventing accidental release due to misoperation or air pressure failure. • Fast Response: Can complete braking action within milliseconds, ensuring rapid stop in emergencies. 2. High Precision and High Efficiency: • High Positioning Accuracy: Precise structural design and strong holding force allow the worktable to maintain high stability in a fixed state. • Adjustable Braking Torque: Flexibly adjust the braking force according to the weight, running speed, and work requirements of different equipment. 3. Wide Applicability and Environmental Adaptability: • Widely used in various stages of new energy vehicle production lines, such as battery pack assembly and precision assembly of motors. • Can work stably and reliably under harsh conditions such as high temperature, high humidity, dust, and oil stains. 4. Intelligence and Easy Maintenance: • Some high-end models incorporate intelligent technology, realizing seamless docking with the production line control system, enabling real-time monitoring and data analysis. • Has fault self-diagnosis and remote maintenance functions, reducing maintenance costs. III. Application Examples In the production process of new energy vehicles, pneumatic normally closed clamps are widely used in the assembly of key components such as battery modules and drive motors. Its precise clamping force and fast response characteristics ensure the stable fixation of these precision components, thereby improving product quality and consistency. At the same time, it also plays an important role in the fixed slide table and precision positioning device of the automated production line. In summary, pneumatic normally closed clamps are playing an increasingly important role in the field of automation of new energy vehicle production lines due to their unique design and excellent performance. With the continuous development of the new energy vehicle industry and the continuous progress of technology, it is believed that it will play an even more important role in the future.

2025

Why are THK, HIWIN, and HTPM linear guides and slides so popular?

The recently aired adaptation of "The Legend of the Condor Heroes," starring Xiao Zhan and Zhuang Dafei, has become incredibly popular. My initial reaction was, "Haven't they remade this countless times already? Why are they making another one?" However, that's not quite right. "The Legend of the Condor Heroes" is a classic work, both on television and in film, and classics are always loved by the masses. This is similar to the linear guide series I encounter in my work. There are countless brands of linear guides—German, Japanese, Taiwanese, and many from mainland China—but only a few are truly popular. Let me illustrate with a few examples: 1. THK Linear Guide THK was established in Tokyo, Japan in 1971. From the 2000s to the present, it has continued to increase its investment in the Asian market, including China. THK established a wholly-owned subsidiary in China—Tieye Jike (China) Investment Co., Ltd. (THK China)—responsible for business development and technical support in the Chinese market. It has established its headquarters and R&D center in Dalian, and multiple manufacturing plants in Wuxi, Changzhou, and other locations. Main products include linear guides, ball screws, ball splines, and linear actuators—components of linear motion systems. These products are renowned in the industry for their high precision, high rigidity, long lifespan, and low noise. THK guides have an extremely high market share and brand influence in the linear motion system field, and are one of the global leaders in the industry. 2. HIWIN Linear Guide HIWIN Technologies was founded in Taiwan in 1989 and is currently one of the largest machinery manufacturers in Taiwan. To date, HIWIN Technologies has become one of the world's leading brands in motion control and system technology. HIWIN Technologies has multiple production bases and R&D centers globally, such as its production base and R&D center in Taichung City, Taiwan, and overseas R&D centers in Germany, Japan, and other locations, forming a global R&D and production network. Main products: HIWIN Technologies' product line covers two major areas: control components and industrial safety. Specifically, this includes ball screws, linear guides, industrial robots, and other high-precision transmission and control systems. These products are widely used in various industrial fields, including precision machine tools, semiconductors, automation, and medical equipment. HIWIN Technologies has a high market share and brand influence in the global motion control and system technology field. Its products have achieved widespread application and recognition in multiple industry sectors. 3. KATE HTPM Linear Guide Founded in 1993, Kate Precision Machinery has always focused on the R&D and production of linear guide products, possessing years of production experience and technological accumulation. The company has a R&D team composed of senior engineers and technicians dedicated to technological innovation and performance improvement of guide products. Applications: KATE HTPM guide products are widely used in numerous fields, including CNC machine tools, machining centers, precision measuring instruments, and automated equipment, providing strong support for the high-precision, high-speed, and high-efficiency operation of machinery and equipment. The KATE HTPM guide brand has high brand recognition and influence in the market, with products exported to many countries and regions worldwide, receiving widespread customer recognition and praise. From the above introduction, we can see that these three brands are far ahead of other linear guide brands in terms of development history and technological level. Their application range and workmanship are excellent. That's why they've been able to thrive from the 1990s to the present and continue to grow—this is the charm of a classic, a classic brand.

2025

The Great Use of Clamps—Normally Open Type

Normally open clamps, also known as rail locks and clamps, especially pneumatic normally open clamps, are advanced safety devices. The following is a detailed introduction: I. Working Principle Pneumatic normally open clamps rely on pneumatic pressure as a power source and remain open in the absence of air pressure. Once a pneumatic signal is received, the clamp quickly closes, achieving precise braking. It's important to emphasize that the clamp's response is very fast. II. Application Scenarios Pneumatic normally open clamps are widely used in new energy vehicle production lines. The production of new energy vehicles involves a large number of precision components and complex processes, requiring a high degree of automation and safety in the production line. This clamp can quickly adapt to workpieces of different shapes and sizes, ensuring excellent performance in various application scenarios on the production line. It is commonly used in the following stages: • Precision component processing: The clamp can quickly respond and apply sufficient braking force, precisely positioning and fixing the workpiece and equipment to prevent accidental movement, thus ensuring the accuracy and consistency of the production process. • Assembly line: During assembly, the clamp ensures that the components remain stable during assembly, improving assembly accuracy and efficiency. • Transportation stage: When workpieces or equipment need to be moved on the production line, the clamp can be quickly activated when needed to secure the workpiece or equipment, preventing it from sliding or falling. III. Core Advantages • High safety: The normally open characteristic of the clamp ensures the smooth operation of the production line, while being able to respond quickly when needed to achieve precise braking, effectively preventing accidental movement due to equipment failure or operational errors, greatly reducing the risk of production accidents. • Fast response speed: The clamp can complete the braking action within milliseconds, buying valuable time for the safety of the production line. • Strong adaptability: It can quickly adapt to workpieces of different shapes and sizes, ensuring excellent performance in various application scenarios on the production line. • Easy maintenance: Its compact structure and ingenious design make it easy to install, debug, and maintain, reducing production costs. • Long service life: It can operate stably for a long time in harsh working environments, reducing maintenance costs and downtime. • Good compatibility: It is highly compatible with modern automated control systems, enabling remote monitoring and intelligent control, further improving the automation level and safety management capabilities of the production line. In summary, pneumatic normally open clamps, with their unique design concept and excellent performance, provide strong support for the safety and efficiency of new energy vehicle production lines. However, when selecting a clamp, it is essential to confirm the compatibility of the rail brand, such as THL linear guides, HIWIN linear guides, and THK linear guides, to avoid any impact during use.

2025

Advantages of THK guide rails

With social development, THK guides are suitable for various types of machines and equipment, including CNC machine tools, automated production lines, and robots. Their diverse models and specifications can meet the needs of different applications. In addition, THK guides also have advantages such as automatic centering and interchangeability. These features have led to the widespread application and recognition of THK guides in the industrial field. The advantages of THK guides are summarized below: 1. High-precision positioning: THK guides adopt advanced manufacturing technologies and materials, with extremely high positioning accuracy, helping to achieve precise motion control and processing, and improving the performance of machinery and equipment. 2. High rigidity: Its structural design enables it to withstand large loads and impact forces, performing excellently in applications with high loads or high-frequency movement. 3. Low friction and low energy consumption: Through optimized design and material selection, THK guides achieve a low coefficient of friction, thereby reducing energy consumption during movement, helping to save energy and reduce operating costs. 4. Long lifespan and maintenance-free: High-quality materials and precise manufacturing processes ensure that THK guides have a long service life. At the same time, their design also considers maintenance-free needs, reducing maintenance costs and downtime. 5. Good stability: THK guides exhibit good stability during movement, reducing vibration and noise, suitable for applications requiring high precision and high stability.

2025

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