C5 Grade High Precision CNC Ball Screw Double Nut

Product Introduction & Core Value

Maitu, a professional China-based manufacturer and reliable supplier with over 12 years of precision transmission expertise, is dedicated to R&D and production of C5 Grade High Precision CNC Ball Screw Double Nut, a high-end precision transmission component customized for mid-to-high-end CNC machine tools. As an experienced factory, we integrate advanced ultra-precision grinding technology and CNC high-precision processing scenario optimization, making this product a core choice for CNC processing that requires enhanced precision, stable high-speed operation and reliable performance, perfectly matching the feed system needs of precision CNC lathes, milling machines and machining centers that pursue higher precision than ordinary C5 grade products.

• Enhanced C5 high precision: Strictly complies with international C5 precision grade standards, and further optimizes the grinding process to control single lead error ≤4μm and arbitrary 300mm lead error ≤12μm, exceeding the basic C5 precision index, fully meeting the high-precision positioning needs of mid-to-high-end CNC processing tasks.
• High-rigidity double-nut anti-backlash design: Targeted optimization for CNC high-speed feed and frequent reversing motion, adopting integrated double-nut structure with adjustable medium preload, effectively controlling axial backlash (≤8μm), eliminating feed lag and jitter, ensuring high-precision CNC transmission stability.
• High-precision oriented quality control: Combined with the working characteristics of high-precision CNC equipment, each product undergoes dynamic load testing, high-precision calibration, vibration analysis and wear resistance testing, ensuring stable operation under long-term high-frequency, high-precision CNC processing conditions, and minimizing transmission error.
• High-precision scenario customization: Supports personalized customization of lead, diameter, preload and installation dimensions according to mid-to-high-end CNC machine tool models and high-precision processing needs, perfectly adapting to the feed system of precision CNC equipment and ensuring consistent precision performance.

High-Precision Enhanced Performance for CNC

Maitu C5 Grade High Precision CNC Ball Screw Double Nut is engineered for the high-precision working characteristics of mid-to-high-end CNC machine tools, integrating enhanced C5 precision, high-speed stability, high rigidity and long durability, with performance fully tailored to high-precision CNC processing scenarios:

• Enhanced C5 precision grinding: Screw shafts adopt advanced ultra-precision grinding technology, combined with multi-stage precision correction, lead accuracy strictly exceeds the basic C5 grade standards, positioning error is controlled within a smaller range, fully meeting the precision requirements of high-precision CNC turning, milling and mold processing tasks.
• High-rigidity double-nut structure: Integrated double-nut design with adjustable medium preload, which can be flexibly adjusted according to CNC high-speed feed load and precision requirements, reducing axial backlash to the minimum, enhancing transmission rigidity, and adapting to the high-frequency reversing motion of CNC feed axes, which is the core advantage of C5 Grade High Precision CNC Ball Screw Double Nut in high-precision CNC transmission.
• High-speed and smooth transmission: Equipped with high-precision circulating ball system, optimized ball path design, mechanical transmission efficiency exceeds 92%, ensuring smooth and jitter-free CNC feed motion at high speeds, improving processing efficiency while ensuring the surface finish of high-precision workpieces, reducing thermal deformation impact through optimized structure design.
• High-strength precision material processing: Screw shafts are made of high-carbon chromium steel (SUJ2) with professional heat treatment and precision grinding, surface hardness reaches HRC60-62, wear resistance and impact resistance are significantly improved, adapting to long-term high-frequency, high-precision CNC cutting and metal chip impact, ensuring long-term precision stability.
• High-precision sealing protection: Adopts CNC high-precision specialized sealing structure, equipped with metal scraper and labyrinth seal, effectively preventing cutting fluid, metal chips and dust from entering the internal structure, avoiding precision loss caused by contamination, ensuring long-term stable operation in harsh high-precision CNC processing environments.
• Precision-compatible installation: Adopts precision flange design consistent with mid-to-high-end CNC machine tool models, with high coaxiality and positioning accuracy, easy to install and commission, compatible with precision CNC lathes, milling machines and machining centers, ensuring that the installation process does not affect the precision performance of the product.

High-Precision C5 Grade Technical Specifications (CNC-Specific)

High-Precision CNC Machine Tool Application Fields

Maitu C5 Grade High Precision CNC Ball Screw Double Nut is specially designed for mid-to-high-end high-precision CNC machine tools, focusing on high-precision CNC processing scenarios, and is widely used in the feed system of precision CNC equipment:

- Precision CNC lathes: Applied to the transmission of spindle feed and tool rest, realizing high-precision turning of small and medium-sized precision workpieces, such as precision shafts, sleeves and other parts, ensuring extremely low processing size error, suitable for aerospace and auto parts precision processing.

- Precision CNC milling machines: Used for feed motion of worktable and spindle, adapting to high-precision contour processing, complex surface processing and mold core processing, ensuring the precision of processing contours and improving the qualification rate of high-precision products, meeting the strict tolerance requirements of complex parts processing.

- CNC precision engraving machines: Providing high-precision transmission support for fine engraving of precision parts, such as precision molds, electronic components and precision hardware, ensuring the accuracy of engraving contours and surface finish, suitable for high-precision engraving of metal and non-metal materials.

- CNC precision grinding machines: Used in the feed system of precision CNC grinding machines, ensuring the flatness, parallelism and precision of the ground surface of workpieces, where C5 Grade High Precision CNC Ball Screw Double Nut plays a key role in high-precision transmission, meeting the high-precision grinding needs of precision parts.

- CNC machining centers: Applied to the feed system of mid-to-high-end CNC machining centers, supporting high-precision multi-process processing, ensuring stable and accurate feed motion in each processing link, adapting to the high-precision processing needs of aerospace, mold and other high-end fields, as well as semiconductor equipment auxiliary transmission needs.

High-Precision Oriented Competitive Edges

Enhanced Precision & Performance Edges

- Enhanced C5 high precision: On the basis of meeting C5 grade standards, further optimize the grinding and calibration process, with lead error and axial backlash lower than basic C5 grade products, fully meeting the high-precision positioning requirements of mid-to-high-end CNC processing, filling the gap between ordinary C5 and C3 grade products in precision and cost.

- High-rigidity anti-backlash performance: Integrated double-nut structure with adjustable medium preload, effectively controlling axial backlash to ≤8μm, avoiding feed lag and jitter during CNC high-speed, frequent reversing motion, ensuring high-precision transmission stability and reducing processing errors, which is critical for high-precision CNC processing.

- High-speed precision adaptability: Optimized ball path and material processing, adapting to the high-speed feed needs of mid-to-high-end CNC machine tools, transmission is smooth without jitter, ensuring the surface finish of high-precision workpieces, and reducing thermal deformation during high-speed operation to maintain precision stability.

Customization & Supply Edges

- High-precision CNC customization: Rich experience in matching various mid-to-high-end CNC machine tool models, supporting customization of lead, diameter, preload and installation dimensions according to CNC high-precision processing parameters, perfectly adapting to the feed system of different high-precision CNC equipment, ensuring that the product matches the equipment's precision requirements.

- High-precision supply guarantee: Two production bases in Suzhou and Dongguan, with specialized production lines for high-precision ball screws, strict quality control in each production link, stable inventory of standard high-precision C5 grade products, supporting fast delivery for high-precision CNC equipment production and maintenance needs.

- High-precision technical support: Professional technical team with rich experience in high-precision CNC transmission, providing high-precision-oriented installation guidance, precision calibration and technical solutions, solving the pain points of high-precision CNC transmission and ensuring the full play of product precision performance.

High-Precision CNC Maintenance Guidelines

Aiming at the high-precision working characteristics of mid-to-high-end CNC machine tools, scientific and refined maintenance can effectively maintain the enhanced precision performance of C5 Grade High Precision CNC Ball Screw Double Nut and extend its service life. The key maintenance guidelines are as follows:

- High-precision cleaning: Clean the screw and nut with high-purity, low-residue industrial cleaning agents every 15-25 days, carefully removing metal chips and cutting fluid residues generated during high-precision CNC processing, avoiding precision loss and component wear caused by contamination, and ensuring the cleanliness of the ball path and raceway.

- High-precision lubrication: Apply high-precision CNC feed system special lubricating grease every 20-35 days, ensuring uniform lubrication of the circulating ball system, reducing friction between balls and raceways, adapting to high-frequency, high-speed CNC operation, and avoiding lubrication failure affecting precision, with lubrication specifications matching the high-precision transmission needs of the product.

- Precision load control: Strictly operate within the rated load range of the product, avoid overload cutting of high-precision CNC machine tools, prevent structural deformation of the double-nut and screw, and ensure long-term stable precision performance, avoiding precision deviation caused by overload.

- High-precision inspection & calibration: Check the transmission precision and preload status of the ball screw every 2-3 months, combined with high-precision CNC machine tool positioning accuracy testing, conduct professional calibration in time if any deviation is found, ensuring that the product always maintains enhanced C5 precision performance, and matching the precision detection standards of high-precision CNC equipment.

- High-precision storage protection: When the high-precision CNC machine tool is out of service, clean the ball screw thoroughly, apply high-precision anti-rust oil, store in a dry, dust-free and constant-temperature environment, avoid collision, moisture and corrosion, and protect the precision of the product and the integrity of the ball path.

Reasons Why High-Precision CNC Customers Choose Maitu

- High-precision professional experience: Over 12 years of precision transmission experience, focusing on the R&D and production of high-precision CNC ball screws, accumulating rich experience in matching mid-to-high-end CNC machine tools, and having mature production capabilities for enhanced C5 grade high-precision products, mastering advanced ultra-precision grinding technology.

- High-precision quality control: Adopts advanced ultra-precision manufacturing technology and strict quality control system, each product undergoes multiple high-precision tests before leaving the factory, ensuring that the precision performance exceeds the basic C5 grade standards, meeting the high-precision requirements of mid-to-high-end CNC processing, with stable and reliable performance.

- High-precision technical team: Senior technical engineers with rich experience in high-precision CNC transmission, can provide professional customization and technical solutions according to mid-to-high-end CNC machine tool models and high-precision processing requirements, solving the core pain points of high-precision transmission.

- Flexible high-precision cooperation: MOQ is 1 PCS, supporting small-batch sampling and high-precision CNC equipment prototype testing needs; standard high-precision products are delivered in stock, customized products have efficient production cycles, matching the production schedule of high-precision CNC equipment.

- Comprehensive high-precision after-sales support: Provide high-precision-specific installation guidance, maintenance training and precision calibration services, with professional and timely technical response, solving the worries of high-precision CNC customers in product use and maintenance, ensuring the long-term stable operation of the product.

- Proven high-precision performance: The C5 Grade High Precision CNC Ball Screw Double Nut has been widely used in mid-to-high-end precision CNC lathes, milling machines and machining centers, with stable enhanced C5 precision performance, high reliability, and winning recognition from global high-precision CNC equipment manufacturers and processors, and has been applied in aerospace, mold and other high-end fields