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    CATEK CNC® Transmission System

    In CNC machines, achieving precise positioning and smooth motion is one of the core factors ensuring machining accuracy. To accomplish this goal, efficient coordination among various systems of the machine tool is required. Among them, the transmission system, as a critical component, undertakes the important functions of power transmission and motion conversion, including precise control over motion form, direction, speed, and torque. The performance of this system—such as positioning accuracy, structural rigidity, dynamic response capability, and operational stability—directly impacts the overall machining quality, production efficiency, dynamic stiffness, and long-term machining repeatability of the machine. It is one of the core determinants of the comprehensive performance of CNC equipment. Especially in applications such as woodworking, the substantial amount of machining chips and dust generated imposes stricter requirements on the sealing performance of the transmission system. Its dust-proof capability directly affects the reliability and lifespan of the transmission system.

    The transmission system of the Spire Series CNC machines incorporates globally top-tier precision transmission technologies. This series strictly selects high-quality transmission components from leading global brands, including those from Japan and Taiwan, such as ultra-high precision ball screws, heavy-duty square linear guideways, high-rigidity flange sliders, and precision helical gear racks. These key components ensure excellent dynamic response and positioning accuracy of the machine under high-speed and high-load conditions.

    Internally Circulation Ground Ball Screw

    • Low Torque and High-Efficiency Transmission: Its driving torque is significantly reduced, equivalent to only one-third of that of an ACME screw1. It efficiently and smoothly converts rotary motion into linear motion, helping to reduce motor load, lower energy consumption, and suppress creep under heavy-load conditions.

    • High-Precision Micro-Feed Control: Through single-nut or double-nut preloading, axial backlash can be effectively eliminated, enabling precision micro-feeding with accuracy up to 0.1 micron2. It also ensures smooth and seamless sliding, reducing lead error by 60% to 80% or more compared to ACME screws.

    • Manufactured by Grinding Process: The screw undergoes multiple processes such as turning, precision grinding, and superfinishing. Its manufacturing cycle is 3 to 5 times longer than that of rolled screws, with lead accuracy as high as ±0.003mm/300mm (meeting C3 grade standards3), ensuring exceptional machining precision for CNC machine tools.

    • Selected High-Wear-Resistant Materials: The screw, nut, and balls are made of high-carbon steel or chromium-molybdenum alloy steel. After heat treatment, their hardness reaches HRC 58–64, providing excellent wear resistance and fatigue life. Their relative wear resistance is over 18 times that of annealed 45 steel. Even after prolonged use, they maintain outstanding machining accuracy, with a service life more than three times longer than that of conventional rolled screws4.

    • Internally Circulation Design: The internal recirculation structure utilizes built-in reversers (such as cylindrical convex keys or oblate inserts) to achieve ball circulation within the nut, eliminating the need for external components like return tubes, end caps, or spiral grooves. This design significantly reduces the radial dimensions of the nut, saving 30% to 40% of installation space compared to external circulation structures, meeting the compact installation requirements of high-speed machine tools.

    • Multi-Layer Composite Sealing: The outer layer employs a bidirectional lip seal to block fine dust particles larger than 5μm. The middle layer features a spiral chip wiper that pushes large wood chips away from the nut area via a spiral motion. A non-contact labyrinth seal acts as the ultimate barrier, preventing ultra-fine sawdust from entering the ball tracks. This reduces wear on the ball tracks and vibration during high-speed operation, maintaining the machine tool's high precision and machining quality while significantly reducing the frequency of daily maintenance.

    Ball Square Linear Guideway

    • Efficient and Low-Friction Rolling Motion: The linear ball guideway utilizes precision steel balls to achieve rolling friction between the guideway and the slider. Compared to traditional sliding guideways, its friction coefficient can be reduced to as low as 1/50. This allows smooth operation with minimal driving force, reducing the power requirements of the drive motor and significantly lowering energy consumption. It also greatly minimizes wear, ensuring long-term machining and positioning accuracy.

    • High Rigidity and Multi-Directional Load Capacity: The guideway and slider employ a four-direction equal-load design, providing excellent multi-directional load-bearing capability. They can withstand forces and moments from various directions, with a dynamic load capacity of up to 80 kN and a static load capacity of up to 100 kN. This structure also features self-aligning functionality, compensating for installation errors and reducing assembly difficulty. Preload adjustment can further enhance rigidity, increasing it by up to 30% compared to two-point contact guideways. The high-rigidity design ensures motion stability in CNC machine tools, suppresses machining chatter, and maintains stability during deep-cut and high-speed feed machining.

    • Low-Noise and High-Speed Smooth Operation: Thanks to its extremely low friction coefficient, the ball linear guideway exhibits minimal temperature rise during high-speed operation, effectively avoiding thermal deformation that could affect positioning and machining accuracy. This makes it particularly suitable for high-speed applications. Its operation is smooth, with noise levels typically below 60 dB even at high speeds.

    • Rapid Response and Tenfold Efficiency: The static and dynamic friction forces are nearly identical, almost eliminating creep phenomena and ensuring rapid response. When applied in CNC machines, the start-stop response time can be reduced to 1/10 of that of traditional sliding guideways, making it especially suitable for high-frequency reciprocating motion and high-precision positioning applications.

    • Three-Layer Protection System: A dual-scraper and labyrinth seal coordinated protection technology efficiently removes coarse contaminants such as wood chips while creating an air barrier to block fine dust. Internal grease grooves store lubricant and continuously release it to form a protective oil film, ensuring external contaminants cannot enter the ball circulation zone. This extends the average service life by more than three times compared to ordinary seals.

    • Low Maintenance Costs: The linear guideway can be directly installed on milled or ground reference surfaces. Standardized assembly steps fully replicate the factory-level machining accuracy of the guideway. The slider features a modular design, allowing it to be positioned simply by sliding into the guideway channel. No specialized tools or complex procedures are required for installation or disassembly, making maintenance extremely simple and cost-effective.

    Ground Helical Rack and Pinion

    • Helical Tooth Design: The helical tooth, designed with a specific angle, ensures a continuous and smooth transition of the contact line during the meshing process between the gear and rack. This effectively avoids the impact load sudden changes characteristic of straight-tooth structures, significantly improving transmission smoothness and load-bearing capacity. It enables the transmission of higher torque and heavier loads while reducing operational noise by approximately 15–20 dB compared to straight-tooth racks, making it more suitable for high-speed and high-precision applications.

    • Precision Ground from High-Quality Materials: The rack body is made of S45C medium-carbon steel or SCM440 chromium-molybdenum alloy steel, significantly enhancing wear resistance and fatigue strength. After quenching and tempering hardening treatment, it undergoes six-sided precision grinding and tooth fine grinding. The total cumulative pitch error (fp/1000mm) is ≤ 0.036 mm, far exceeding the accuracy of ordinary rolled racks.

    • Meticulous Attention to Every Detail: Non-working surfaces are processed with a one-time forming end-face grinding technique, ensuring flatness and parallelism of the installation reference surface with errors controlled within ±0.005 mm/1000 mm. This guarantees high-precision alignment between the rack and gear after installation, effectively eliminating offset load stress and ensuring the dynamic stability of the transmission system.

    • Easy Expandability: Featuring a modular extendable design, standard unit lengths of 1 meter are used. Precision positioning and seamless splicing of multiple rack sections are achieved through end positioning pin holes and side mounting holes, supporting unlimited travel extension to meet the long-stroke requirements of large machine tools and automation equipment.

    We have always strictly selected transmission system components from top-tier global first-line brands, and these components have been fully validated in our long-term production and operation practices. Based on this, we ensure that your CNC machine tools can achieve excellent transmission response performance and extremely high positioning accuracy, and this is also the fundamental confidence behind our courage to provide you with a warranty service of up to five years. After 19 years of accumulated production and operation experience, we have established stable cooperative relationships with the following high-quality suppliers. If you have other brand preferences or specific requirements, we also support providing you with customized solutions.

    Ball screws of TBI

    TBI

    Headquartered in Taiwan, China, TBI MOTION TECHNOLOGY CO. was founded in 1986. Initially, TBI served as the agent of THK in Taiwan. After accumulating extensive market experience and technical expertise, TBI began independent research and development (R&D) and production of linear transmission products, gradually growing into a comprehensive enterprise integrating R&D, production, and sales. Currently, in addition to its main production base in Taiwan, TBI has established factories and branches in Mainland China, and set up sales outlets in multiple countries including Germany, Japan, and the United States to serve global customers.

    TBI boasts exceptional cost-effectiveness. Compared with Japanese brands (such as THK and NSK) and German brands, TBI offers more competitive pricing while ensuring comparably reliable product performance and stability. This makes it an ideal choice for customers with limited budgets who still require reliable quality. Moreover, TBI has a complete product lineup, including ball screws and linear guideways, enabling it to provide customers with full-series solutions.

    TBI adopts advanced precision grinding technology to ensure the lead accuracy, surface finish, and stability of its screws. Strict quality control processes are implemented throughout the entire production cycle, from material selection and heat treatment to precision machining. It is through the rigorous control of every manufacturing link that TBI can offer cost-competitive yet reliable and trustworthy linear transmission products, making it a core choice for numerous automation equipment manufacturers.

    Leveraging its high cost-effectiveness, fast delivery cycles, comprehensive product range, and reliable quality, TBI holds a strong competitive position in the mid-range market. For many equipment manufacturers seeking an alternative between expensive top-tier brands and low-cost, low-quality products, TBI provides a highly reliable and economical solution. It has become one of the indispensable key component brands driving modern automation equipment.

    Advantages and Features
    • Advanced Manufacturing Processes: High-Precision ball screws, Manufactured using CNC precision thread grinding machines, they achieve higher lead accuracy and superior surface finish, ensuring smooth machine operation and precise positioning.
    • Strict Heat Treatment Processes: The thread raceways of the screws undergo carburizing and quenching treatment, resulting in extremely high surface wear resistance and fatigue strength, while the core retains excellent toughness. Multiple stress relief treatments are applied during the manufacturing process to ensure the screws maintain stable precision and resist deformation during long-term use.
    • Optimized Structural Design: Axial backlash is eliminated through different preload levels, enhancing the rigidity of the motion system and reverse positioning accuracy. An efficient ball circulation system and optimized ball return channel design ensure smooth ball operation, low noise, and minimal heat generation.
    • Comprehensive Dust-Proof and Lubrication Solutions: A labyrinth dust-proof sealing design effectively prevents contaminants such as dust and debris from entering the interior of the screw, extending its service life. Long-lasting self-lubricators are available as an option, enabling maintenance-free lubrication and reducing maintenance costs.
    Guideways of Hiwin

    HIWIN

    Hiwin Technologies Corp., based in Taiwan, China, was founded in 1989. Initially focusing on the production of ball screws and linear guides as its core business, it has gradually developed into a world-leading manufacturer of precision transmission components. Today, it is a globally renowned manufacturer of precision machinery and automation parts, with product offerings covering linear guideways, ball screws, industrial robots, and more. These products are widely used in high-end CNC machine tools, semiconductor equipment, and the automation field.

    Hiwin’s ability to compete with top-tier German and Japanese brands stems primarily from its independent core technologies, strong R&D investment, and strict quality control. From material heat treatment, precision grinding, and optical measurement to automated assembly, Hiwin masters most of the manufacturing processes in-house, ensuring product consistency and stability. Additionally, Hiwin invests a high percentage of its annual revenue in R&D and holds over 1,000 global patents. It excels particularly in noise reduction technology, dust-proof technology, lubrication technology, as well as high-speed and high-precision performance. Coupled with its own automated production line quality management system, Hiwin ensures that products meet the highest standards from raw material procurement to factory delivery.

    Hiwin’s linear guideways feature high rigidity and high load capacity. Adopting a design with two-point contact, four-row slideways, and arc-shaped grooves, the guide system can withstand loads from four directions, delivering higher rigidity and stability. Through precision grinding technology and strict quality inspection, the guides ensure smooth movement, accurate positioning, and low friction resistance, enabling micron-level precision transmission. Moreover, Hiwin’s product series are compatible with international mainstream brands in terms of dimensions and mounting holes, offering interchangeability. This facilitates machine upgrades or part replacements for users and reduces their maintenance costs.

    Leveraging its R&D capabilities and global layout, Hiwin has successfully transformed from a component manufacturer to a global leading brand in intelligent transmission and precision control. Hiwin represents the technological strength of China Taiwan’s precision machinery industry, providing stable, efficient, and future-oriented automated transmission solutions for global machinery manufacturers and factory users. Whether pursuing equipment performance upgrades or prioritizing ROI, Hiwin is a market-proven and trustworthy choice.

    Advantages and Features
    • High Precision and Stability: The guide rails, processed by CNC precision grinding machines, ensure surface smoothness, straightness, and consistency. The unique double-arc contact groove design allows the balls and rails to evenly bear loads from the upper, lower, left, and right directions, while effectively absorbing errors on the mounting surface. Furthermore, the optimized return path design ensures smoother ball circulation and lower collision energy, enabling stable operation with reduced noise and vibration.
    • Excellent Dust-Proof and Sealing Technology: Both ends of the linear bearings are equipped with high-performance sealed end caps, and the interior adopts a double-layer contact-type oil scraper design. This effectively prevents dust, debris, and other contaminants from entering the bearing interior, making the product suitable for various complex production environments.
    • Innovative Lubrication Technology: Linear bearings can be integrated with automatic lubrication devices, which store lubricating oil internally. The oil is slowly and continuously supplied to the guide rails through oil holes, achieving long-term maintenance-free lubrication. This significantly extends maintenance cycles and reduces machine downtime.
    • Diverse Material and Model Options: Hiwin offers guide rails made of various materials such as stainless steel and carbon steel, suitable for different production environments. Its comprehensive product line includes standard, wide, and heavy-load series, meeting the needs of applications ranging from small machines to heavy-duty industrial CNC machinery.
    Guideways of THK

    THK

    THK Co., Ltd., headquartered in Tokyo, Japan, was established in 1971. In 1972, THK invented the world's first Linear Motion (LM) rolling guide, a revolutionary breakthrough that pioneered the entire industry and solidified THK's position as a global technological leader in the field of linear motion systems. Today, with a worldwide presence, THK has grown into a global enterprise with subsidiaries and production bases in more than 25 countries and regions, including Japan, Europe, the Americas, and Asia, supported by an extensive sales and service network.

    As the inventor of LM guides, THK possesses the most original and core patented technologies, with unparalleled expertise in theoretical research, materials science, and tribology. THK products are renowned worldwide for their exceptional reliability and stability, setting the gold standard in the industry for precision retention, service life, and performance in demanding environments. THK is the preferred high-end brand for machinery and equipment manufacturing.

    THK offers a comprehensive product line that covers almost all linear motion needs, including linear guides, ball screws, bearings, and various other linear motion systems. With a wide range of materials and models available, from small to large sizes and light to heavy loads, THK boasts the most extensive product library in the market, meeting the application requirements of all types of machinery.

    THK is not merely a supplier of linear motion products but also a definer and standard-setter in the industry. It represents the highest level of reliability, precision, and technical expertise. Choosing THK means opting for top-tier quality and credibility, ensuring the most reliable foundational components and performance guarantees for your core equipment. For applications with extreme demands on equipment performance, productivity, and reliability, THK is often the undisputed first choice. Although its initial cost may be higher, the value it delivers is reflected in the equipment's outstanding performance, extremely low failure rate, and long service life, making it the perfect choice for CNC machinery.

    Advantages and Features
    • Unique Two-Point Contact and Self-Aligning Capability: THK adopts a distinctive two-point contact arc groove design and self-aligning function. The arc groove design allows the balls to bear loads evenly, providing extremely high rigidity and stability. Meanwhile, the self-aligning function endows the guideway system with excellent error absorption capability. Even if there are slight machining or assembly errors on the guideway’s mounting base, the balls can automatically adjust to offset these errors—ensuring smooth movement and high precision, while significantly reducing installation difficulty and the strict requirements for the machine base’s accuracy.
    • High Rigidity and High Load Capacity: Thanks to the two-point contact design, a single linear bearing can withstand loads and moments from all directions. Additionally, THK uses larger-diameter balls compared to standard models, further enhancing load capacity and rigidity. This enables stable machine operation and achieves micron-level precise positioning.
    • Advanced Lubrication and Sealing Technology: THK combines special contact-type oil scrapers with a non-contact labyrinth seal design, which effectively prevents dust, debris, and other contaminants from entering the slider interior. The seal caps at both ends of the slider are also meticulously designed to provide additional protection against contaminants. Moreover, long-lasting lubrication units can be optionally installed at both ends of the slider; these units contain oil-storing foam that stably and continuously supplies lubricating oil to the guideway, extending the maintenance interval for supplementary lubrication.
    • Superior Precision Retention: THK not only ensures high precision at the time of delivery but, more importantly, maintains this ultra-high precision for years—even over a decade—under long-term harsh operating conditions (heavy loads, high speeds, and high frequencies). With minimal deformation and an extremely flat performance degradation curve, it significantly reduces downtime and production losses caused by transmission system failures. This is particularly critical for automated production lines and high-end CNC machinery.
    Guideways of PMI

    PMI

    Headquartered in Taiwan, China, PMI Group, and was founded in 1990. Since its establishment, PMI has remained focused on the R&D and manufacturing of precision transmission components. Through years of technical accumulation and market expansion, it has grown into one of the world’s leading manufacturers of ball screws and linear guides, and a key player in Taiwan’s precision machinery industry chain. Today, PMI has established multiple branches worldwide, with a strong global sales and technical support network that enables rapid service response.

    PMI has secured a foothold in the fiercely competitive market thanks to its excellent cost-effectiveness. Its products perform exceptionally well in terms of precision, rigidity, and service life—on par with top international brands—while offering more competitive pricing. This makes PMI an ideal choice for customers with limited budgets who still pursue high quality. Additionally, PMI products are renowned for their robustness and high reliability, high-quality materials and robust design ensure they deliver stable performance and a long service life in both general industrial environments and moderately challenging operating conditions.

    PMI enables equipment manufacturers and users to achieve performance close to that of high-end brands at a reasonable price, helping them effectively control costs while guaranteeing quality. Moreover, its product series are interchangeable with mainstream brands in terms of mounting dimensions, facilitating machine maintenance and upgrades.

    PMI is a strong brand in the precision transmission field, characterized by solid technology, reliable quality, and exceptional cost-effectiveness. It provides customers with an excellent option that strikes a perfect balance between performance, price, and service. Choosing PMI means you do not have to pay the premium for top-tier brands, yet you can obtain performance and reliability far exceeding those of ordinary brands. Furthermore, you gain a stable, reliable, and trustworthy supply chain partner—providing strong guarantees for your equipment in terms of precision, speed, and load capacity, enabling it to meet the needs of various industrial applications. PMI is an outstanding brand that must be carefully considered during project selection, and one of the ideal choices for driving the efficient operation of modern manufacturing.

    Advantages and Features
    • Excellent Cost-Effectiveness: PMI’s products are on par with top international brands in key performance indicators such as precision, rigidity, and service life, while offering more competitive pricing. This provides equipment manufacturers and users with a high-quality option to effectively control costs without sacrificing machine performance.
    • Robustness and High Reliability: PMI products are famous for their robustness. Premium-grade ball screws and linear guides are all processed using CNC precision grinding machines, ensuring high consistency in lead accuracy and excellent surface finish. Through advanced heat treatment technology, the product surface achieves extremely high hardness, resulting in superior impact resistance and fatigue resistance.
    • Comprehensive Sealing and Lubrication Solutions: Both ends of the slider are equipped with high-performance sealed end caps. Combined with scrapers and labyrinth seals, this design effectively prevents dust, debris, and other contaminants from entering the slider interior, extending the slider’s service life. Additionally, PMI’s patented SL lubrication device is available as an option—it can automatically and continuously supply lubricating grease to the guideway, enabling long-term maintenance-free operation, significantly extending maintenance intervals, and reducing maintenance costs.
    • Optimized Product Design: PMI guides feature an optimized geometric and mechanical structure design, allowing them to withstand radial, reverse radial, and lateral loads while maintaining operational precision. Moreover, PMI products have low friction resistance and require low driving torque for equipment, which can greatly save energy. In particular, they exhibit low movement wear and minimal temperature rise, meeting the needs of high-speed operation of large machinery.
    Racks and pinions of YYC

    YYC

    Headquartered in Taiwan, China, YYC (Yuan Yi Chang Machinery Co., Ltd.) was established in 1980. Since its inception, YYC has remained focused on the R&D and manufacturing of gears and racks. Driven by its commitment to quality and unremitting pursuit of technology, YYC has rapidly grown from a local Taiwanese enterprise to the No.1 in Asia and a global leader in the gear and rack industry. Its products are widely used in various high-precision, cutting-edge automation fields. Currently, YYC has established branches or offices worldwide, including in Mainland China, Germany, the United States, Japan, and South Korea, with a comprehensive sales and technical support network to serve global customers.

    YYC focuses exclusively on gears and racks—unlike other integrated transmission manufacturers with broad product lines. This allows YYC to concentrate all its R&D resources and technical know-how on rack products. In the Asian market, YYC is the absolute leader in gears and racks, commanding an extremely high market share and serving as the preferred brand for many CNC machinery manufacturers when it comes to racks. Compared with top-tier German rack brands, YYC delivers performance close to theirs while offering more competitive pricing, resulting in greater cost-effectiveness.

    YYC is a globally renowned brand in the gear and rack sector, recognized for its specialization, high performance, and excellent cost-effectiveness. It perfectly fills the market gap between top European brands and ordinary low-end brands. Choosing YYC racks means selecting an expert deeply dedicated to the rack field—equipping your machinery with a reliable and robust power transmission solution for long-stroke, high-speed, and heavy-load applications. For any CNC machinery involving precision long-stroke transmission, YYC is an outstanding option worthy of serious consideration and evaluation.

    Advantages and Features
    • Exceptional Precision Grade: YYC racks are manufactured using the process of precision hobbing + precision grinding. When matched with precision gears, they achieve backlash-free transmission. With ultra-high tooth profile accuracy and minimal cumulative pitch error, YYC racks ensure smooth transmission, extremely low noise, and no reverse backlash during gear meshing. They can achieve ultra-high precision positioning (with repeat positioning accuracy up to ±0.05mm or higher), meeting the strict requirements of high-end CNC machinery and similar applications.
    • Outstanding Durability and Reliability: YYC uses high-quality raw materials and advanced heat treatment technology, resulting in extremely high surface hardness for racks (ensuring excellent wear resistance) while maintaining good toughness at the tooth root (providing strong impact resistance and fracture resistance). Unlike racks that only undergo surface quenching, YYC’s racks feature full tooth depth quenching (via carburizing and quenching). This means even if tooth repair is needed in the future, the internal structure of the rack remains highly hard, ensuring long service life and reliability.
    • High Rigidity and High Load Capacity: YYC racks adopt a multi-hole mounting structure design, enabling them to easily withstand large torque, radial forces, and axial forces. Under heavy-load conditions, deformation is minimal, guaranteeing the rigidity and stability of the transmission system—making them more suitable for industrial-grade CNC machinery applications.
    • Flexible Design and Easy Installation: YYC offers a wide range of standard specifications with various modules and supports customizable lengths. Infinite long strokes can be achieved by splicing multiple racks. The racks provide side and bottom mounting datums, which undergo precision grinding to ensure easy and accurate installation—facilitating the integration and leveling of racks with machine beds.
    Guideways of NSK

    NSK

    Headquartered in Tokyo, Japan, NSK Ltd. (Nippon Seikō Kabushiki-gaisha) was founded in 1916, making it a century-old enterprise. NSK has established sales networks in over 30 countries and regions worldwide, with more than 50 factories. Its global business operations are widely distributed across Japan, the Americas, Europe, Asia, and beyond. As a global leader in the precision mechanical components sector, NSK linear guides—backed by technological innovation and outstanding performance—are widely used in semiconductor manufacturing, the automotive industry, high-end CNC machinery, and other fields.

    With the high quality of Japanese precision engineering, a long history of accumulation, continuous technological innovation, and a comprehensive, refined product lineup, NSK linear guides hold an important position in the global precision mechanical transmission field. Whether pursuing ultimate service life or balancing performance and cost-effectiveness, NSK can provide reliable solutions—helping machinery achieve operational goals of high precision, high reliability, long service life, and low maintenance costs.

    Advantages and Features
    • High Reliability and Impact Resistance: NSK guides adopt Gothic grooves, achieving four-point contact between balls and grooves via a 45° contact angle. This design evenly distributes loads in four directions (up, down, left, and right). Beyond imparting high rigidity to the guides, this structure further enhances deformation resistance through preload application. Even under ultra-high loads, it can transfer loads to non-contact surfaces, significantly improving the product’s own impact resistance.
    • Material and Surface Treatment Technology: The main body of NSK guides is made of high-hardness alloy steel, processed through carburizing and quenching + cryogenic treatment—resulting in a surface hardness of HRC 60 or higher, and extending wear life by 3 times compared with ordinary guides. For special environments, NSK has also developed fluorinated low-temperature chrome plating technology: a surface anti-rust treatment that adds a fluororesin coating on top of an electrolytic anti-rust black protective film. This improves corrosion resistance by 5 times, making the guides suitable for various complex production environments.
    • Comprehensive Product Line and Accessories: NSK offers a wide range of product series, including numerous slider and dimension options, to meet diverse application needs. It also provides various accessories such as self-lubrication units and high-performance dust-proof seals. Users can select the most suitable products based on their machinery installation requirements, facilitating selection and replacement.
    • Technological and Performance Breakthroughs: To meet high-precision demands, NSK has developed Elastic Ball Technology. By optimizing the ball circulation path and integrating elastic balls, this technology effectively suppresses stuck. The standard-equipped self-lubrication units use porous resin materials with built-in long-lasting grease, enabling maintenance-free operation.
    Guideways of Rexroth

    Rexroth

    Bosch is a globally leading supplier of industrial drive and control solutions, the company traces its roots back to 1795, while the modern-day Bosch Rexroth was established in 2001 through the merger of Mannesmann Rexroth and the Automation Technology Division of Bosch. It has integrated end-to-end technical capabilities covering hydraulics, electric drives, and industrial automation. As a wholly owned subsidiary of the Bosch Group, it has production bases in more than 80 countries and regions around the world, and offers a comprehensive range of linear motion products to meet diverse application needs.

    Rexroth’s guide rails and screw products embody the top-tier technology of German precision manufacturing, and are renowned worldwide for their unparalleled reliability and ultra-long service life. Its guide rail systems feature extremely high rigidity and outstanding load-bearing capacity in all four main directions, easily coping with heavy-load and high-frequency impact working conditions to ensure the long-term stable operation of equipment. Meanwhile, the product design is highly forward-looking: the extended lubrication intervals and excellent sealing and dust-proof performance significantly reduce users’ maintenance costs and downtime risks.

    Backed by its heritage of German precision engineering, profound technical accumulation, continuous technological innovation, and an extremely extensive and comprehensive product portfolio, Rexroth holds a leading position in the global drive sector. Whether pursuing ultimate performance and reliability, requiring high precision and high response speed, or seeking efficient machine motion solutions, Rexroth can provide robust product and technical support—helping equipment achieve efficient, accurate, reliable, and long-term maintenance-free operation.

    Advantages and Features
    • High Reliability and Long Service Life: Rexroth products are famous for their high reliability and long service life. Its linear guide systems have extended lubrication intervals of up to 5 years or more. Under normal operating conditions, the front-end lubrication device of the ball screws can achieve a lubrication effect of up to 300 million rotations or as long as 5 years. This prolongs the service life of equipment, reduces equipment maintenance needs and downtime, and lowers long-term operating costs.
    • High Rigidity and High Load-Bearing Capacity: The linear guides deliver high load-bearing capacity in all 4 main load directions. The main body is made of high-carbon chromium bearing steel, which undergoes carburizing and quenching + cryogenic treatment, resulting in a surface hardness of over HRC 60. Combined with a silicon nitride nano-coating, the wear life is extended by 3 times compared to ordinary guide rails.
    • Patented Thermal Compensation Rail System (TCRS): With the patented TCRS (Thermal Compensation Rail System), heat can be directly dissipated from the linear rails or supplied at the start of production. Excellent thermal stability minimizes waste and greatly improves productivity, enabling machines to achieve better precision, dynamic performance, and output performance under constant process conditions. After adopting TCRS, the accuracy of ball and roller guides is improved by 75%, effectively enhancing precision, dynamic performance, and production volume.
    • Innovative Linear Drive Technology: The ball carriages adopt an optimized inlet area geometry, enabling quiet rolling operation. This ensures the equipment transitions smoothly to maximum power and allows low-vibration machining. Moreover, the guide rail system incorporates a flexible interchangeability concept: under this concept, ball carriages and rails of the same size can be combined in any way regardless of accuracy class. Specialized lubrication and sealing designs maximize the lubrication interval and reduce maintenance costs.
    Guideways of Schneeberger

    Schneeberger

    SCHNEEBERGER brand linear guides are developed and manufactured by Schneeberger AG, a century-old enterprise in the Swiss precision transmission sector. Headquartered in Switzerland and founded in 1923, Schneeberger is a renowned brand in the field of precision linear motion technology, famous for its high precision, high rigidity, and outstanding reliability. A pioneer in linear motion technology, Schneeberger designed and produced the world’s first linear guide—laying the foundation for modern linear motion technology. It officially began mass-producing linear guides in 1948, and has since evolved into a supplier of comprehensive precision transmission solutions covering precision guides, ball screws, and more. Its technical accumulation and market position serve as a benchmark in the global precision machinery industry.

    SCHNEEBERGER guideway technology has been incorporated into the Standards of the Swiss Society of Mechanical Engineers (SME), and the company has participated in formulating multiple ISO international standards. The geometric accuracy testing method for its MONORAIL series guides has become a reference benchmark for global precision machine tool manufacturers. SCHNEEBERGER has established production bases and technology centers in 20 countries, including Germany, China, Japan, and the United States, and holds a market share of over 35% in the high-end segment.

    Backed by its Swiss precision engineering heritage, a century of technical expertise, continuous innovation in materials and structures, and a comprehensive, refined product lineup, SCHNEEBERGER leads the global high-end precision linear transmission field. Whether pursuing extreme rigidity and load capacity, balancing compact structure with high performance, or seeking customized solutions for special working conditions, SCHNEEBERGER delivers reliable options—helping machinery achieve operational goals of ultra-high precision, ultra-high reliability, long service life, and low maintenance costs.

    Advantages and Features
    • Ultra-High Precision and High Rigidity: SCHNEEBERGER guides are manufactured using premium-grade materials, with a hardness of up to 64 HRC. This ensures extremely high rigidity and wear resistance, as well as substantial dynamic and static load capacities—effectively enhancing machining speed, workpiece geometric accuracy, and surface quality.
    • Exceptional Durability and Long Service Life: Through sophisticated manufacturing processes and heat treatment technology, SCHNEEBERGER guides maintain precision and performance over an extended period, enabling long service life and nearly maintenance-free operation. With unchanged installation dimensions, their load capacity is 3 times that of traditional guides—significantly improving machinery service life and reliability.
    • Gothic Groove Design: The square guide grooves feature a four-point contact structure with a 45° contact angle, which evenly distributes loads from four directions (up, down, left, and right). The guides boast a dynamic load capacity of 120kN and a static load capacity of 180kN, with rigidity 30% higher than that of traditional two-point contact structures.
    • Smooth Operation and Maintenance-Free Performance: SCHNEEBERGER guides ensure smooth operation, which not only guarantees workpiece dimensional accuracy and surface finish but also extends service life. The sliders are equipped with long-lasting lubrication units: porous resin materials inside store lubricating grease, enabling automatic lubrication of the guides without manual intervention—reducing maintenance time.

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    • Product images, features, parameters, and specifications are for reference only. The actual installed model shall prevail.

    1. ACME Screw: A linear transmission component designed based on the ACME thread standard, which converts rotational motion into linear motion. Its core feature is the use of a trapezoidal thread structure with a 29° thread angle (some linear transmission screws adopt a 40° thread angle), achieving motion guidance through sliding contact.

    2. Refers to the minimum controllable displacement of the screw’s linear motion, which requires support from a high-precision servo system.

    3. The C3 grade standard is a high-precision class specified in ISO 3408-1 and is equivalently adopted by various national standards (e.g., China’s GB/T 17587.1, Germany’s DIN 69051). It serves as one of the core indicators for evaluating the geometric accuracy of ball screws, primarily defining the upper error limits in key dimensions such as "travel accuracy," "axial clearance," and "radial runout."

    4. Rolled screws are formed in a single process using cold rolling technology, typically achieving a travel accuracy of ±0.05mm/300mm. Their wear resistance and fatigue life are lower than those of ground screws.

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