C7 Grade Ball Screw Double Nut for CNC

CNC-Specific C7 Grade: Positioning & Core Value

With over 12 years of experience in precision transmission manufacturing, Maitu targets the cost-sensitive CNC market and launches the C7 Grade Ball Screw Double Nut for CNC — a cost-effective linear transmission component tailored for basic CNC processing scenarios. Unlike C3’s ultra-high precision and C5’s balanced performance, this product takes practicality and economy as the core, strictly complying with ISO3408 international C7 precision standards.

It is specially designed for basic CNC equipment that does not require high positioning accuracy, effectively balancing transmission stability and procurement cost. For CNC manufacturers and processors pursuing cost control without compromising basic processing needs, it is an irreplaceable core component, perfectly fitting the feed system of entry-level CNC lathes, simple engraving machines and ordinary processing equipment.

• Compliant with C7 precision standards: As a common ordinary precision grade in CNC fields, its 300mm lead error is strictly controlled within ≤15μm, fully meeting the precision requirements of basic CNC processing tasks such as rough turning, simple milling and ordinary engraving.
• Practical double-nut anti-backlash design: Adopting an integrated double-nut structure with fixed preload, it effectively reduces axial backlash to ≤0.015mm, avoiding transmission lag during CNC feed, and ensuring stable operation without obvious jitter, which is more in line with the use needs of basic CNC equipment.
• CNC entry-level scenario adaptation: Focusing on entry-level CNC equipment, it is perfectly matched with entry-level CNC lathes, simple CNC engraving machines and basic CNC drilling machines, filling the gap of cost-effective transmission components in the basic CNC market.
• Streamlined quality inspection for practicality: Combining the working characteristics of basic CNC processing, each product undergoes key inspections such as lead precision testing and wear resistance testing, ensuring stable performance in long-term continuous operation while controlling production costs.

Practical Performance Advantages for Basic CNC Processing

Maitu C7 Grade Ball Screw Double Nut for CNC does not pursue excessive precision, but focuses on practicality, stability and economy. Its performance indicators are all optimized for basic CNC processing scenarios, making it have obvious advantages in cost and adaptability:

• Stable C7 precision output: The screw shaft adopts high-standard rolling and grinding integrated technology, which not only meets the C7 precision requirements, but also ensures the stability of precision in long-term use, avoiding precision deviation caused by long-term CNC feed operation.
• Durable double-nut structure: The integrated double-nut design is adopted, which is simple in structure, easy to maintain and low in failure rate. The fixed preload design is suitable for the stable load of basic CNC equipment, effectively extending the service life of the product.
• Efficient transmission with low energy consumption: Equipped with a high-quality circulating ball system, the mechanical transmission efficiency is more than 90%, which is higher than traditional sliding screws. It can reduce the energy consumption of CNC drive systems while ensuring basic feed efficiency.
• Cost-effective material configuration: The screw shaft is made of high-quality carbon steel through standardized heat treatment, with surface hardness reaching HRC56-60. It has good wear resistance and impact resistance, which can adapt to the metal chip impact and long-term operation of basic CNC processing.
• CNC-friendly sealing design: Adopting a simple and effective sealing structure, it can prevent cutting fluid and metal chips from entering the internal structure, ensuring stable operation of the product in the basic CNC processing environment, and reducing maintenance frequency.
• Fast installation and strong compatibility: The standardized flange and installation dimensions are adopted, which are consistent with most entry-level CNC equipment. It can be quickly installed and commissioned without additional modification, saving installation time and labor costs.

CNC-Adapted C7 Grade Technical Parameters

CNC Application Scenarios: Focus on Basic Processing Fields

Maitu C7 Grade Ball Screw Double Nut for CNC is specially developed for basic CNC processing scenarios, focusing on entry-level CNC equipment and simple processing tasks. Its application scenarios are concentrated and targeted, perfectly meeting the transmission needs of basic CNC processing:

- Entry-level CNC lathes: Applied to the feed system of entry-level CNC lathes, it is mainly used for rough turning and ordinary precision turning of workpieces, ensuring stable feed motion and meeting the basic processing accuracy requirements of standard parts and common workpieces.

- Simple CNC engraving machines: Used for the transmission of simple CNC engraving machines, suitable for ordinary engraving tasks of wood, plastic and low-precision metal, ensuring the smoothness of engraving contours and reducing processing errors.

- Basic CNC drilling machines: Applied to the feed system of basic CNC drilling machines, it realizes precise positioning of drilling holes, meets the basic precision requirements of ordinary drilling tasks, and improves drilling efficiency and consistency.

- CNC rough processing equipment: Used in the feed system of CNC rough processing equipment, it adapts to the high-load and high-frequency feed needs of rough processing, with strong wear resistance and stable performance, ensuring the smooth progress of rough processing.

- Entry-level CNC processing lines: Applied to the transmission of entry-level CNC processing lines, it is suitable for mass production of low-precision workpieces, balancing processing efficiency and procurement cost, and reducing the overall operating cost of the production line.

Core Advantages: Cost-Effective & Practical for Basic CNC

Practical Performance Advantages

- C7 precision for basic needs: Strictly complies with ISO3408 C7 precision standards, with 300mm lead error ≤15μm, which is fully sufficient for basic CNC processing tasks, avoiding the waste of precision surplus and reducing unnecessary cost input.

- Stable and durable structure: The integrated double-nut structure with fixed preload is simple in design, low in failure rate and easy to maintain, which is suitable for the long-term continuous operation of basic CNC equipment and reduces maintenance costs.

- Strong adaptability to basic CNC environment: The standardized material selection and sealing design make it able to adapt to the metal chip and cutting fluid environment of basic CNC processing, ensuring stable performance and long service life.

Economic & Supply Advantages

- High cost performance: Compared with C5 and C3 grade CNC ball screws, the cost is reduced by 30%-40%, while ensuring basic transmission stability and precision, which is the most cost-effective choice for basic CNC equipment manufacturers and processors.

- Efficient mass supply: With two production bases in Suzhou and Dongguan, specialized production lines for C7 grade products are set up, with large inventory of standard models, supporting immediate delivery and meeting the mass production needs of entry-level CNC equipment.

- Simplified customization support: While providing standard products, it also supports simple customization of lead and diameter according to entry-level CNC equipment parameters, with short customization cycle and low customization cost, meeting the personalized needs of basic CNC scenarios.

Easy Maintenance Guidelines for Basic CNC Use

Aiming at the characteristics of basic CNC equipment (simple structure, high frequency of use, low maintenance cost), Maitu C7 Grade Ball Screw Double Nut for CNC is designed with easy maintenance in mind. The following maintenance guidelines are simple and easy to operate, suitable for ordinary operators:

- Regular cleaning: Clean the screw and nut every 30-45 days. Use ordinary industrial cleaning agents to remove surface metal chips and cutting fluid residues, which can avoid component wear and ensure smooth transmission. Regular lubrication with ISO VG68 level lubricating grease is also recommended to extend service life.

- Simple lubrication: Apply ordinary CNC lubricating oil every 35-50 days, evenly smearing on the screw surface and nut interface, ensuring basic lubrication effect, reducing friction and extending service life.

- Load control: Avoid overload operation of CNC equipment. Overload will not only cause precision deviation, but also damage the double-nut structure. It is necessary to strictly operate within the rated load range of the product.

- Periodic inspection: Check the transmission status and precision of the ball screw every 5 months. If obvious jitter or transmission lag is found, adjust the preload or clean the components in time, without professional calibration equipment.

- Simple storage protection: When the CNC equipment is out of service, clean the surface of the product, apply a small amount of anti-rust oil, and store it in a dry and dust-free environment to avoid moisture and corrosion.

Reasons for Basic CNC Customers to Choose Maitu C7 Grade

- Professional CNC positioning: Maitu has rich experience in basic CNC transmission components, focusing on the R&D and production of C7 grade ball screws for entry-level CNC equipment, and its products are more in line with the use needs of basic CNC processing.

- Cost control optimization: Adopting streamlined production processes and cost-effective material configuration, while ensuring basic performance, the product cost is effectively controlled, helping customers reduce procurement and operating costs.

- Simple and practical technical support: The professional technical team provides simple and easy-to-understand installation and maintenance guidance, which is suitable for ordinary operators of basic CNC equipment, solving the trouble of professional maintenance.

- Flexible and convenient cooperation: The minimum order quantity is 1 piece, supporting small-batch sampling and equipment maintenance needs; standard products are delivered in stock, and the delivery cycle is short, which can well match the production schedule of entry-level CNC equipment.

- Reliable after-sales guarantee: Provide targeted after-sales services for basic CNC scenarios, including product quality inspection and maintenance guidance, with timely response, ensuring the smooth use of customers' products.

- Proven market performance: The product has been widely used in entry-level CNC lathes, simple engraving machines and basic processing lines, with stable performance, low failure rate and high cost performance, winning recognition from global basic CNC customers.

FAQ

- Q: What is the core difference between Maitu C7 Grade Ball Screw Double Nut for CNC and C5/C3 grade CNC products? A: The core difference lies in precision and cost. C7 grade is ordinary precision (300mm lead error ≤15μm) suitable for basic CNC processing, with the lowest cost; C5 grade is universal precision with balanced performance; C3 grade is ultra-high precision for high-end CNC scenarios. C7 grade is more suitable for customers who pursue cost control and do not need high precision.

- Q: Can C7 grade products be used in high-precision CNC processing? A: It is not recommended. C7 grade precision is designed for basic CNC processing tasks such as rough turning and simple engraving. For high-precision processing tasks that require strict positioning accuracy, it is more appropriate to choose C5 or C3 grade products.

- Q: Is the installation of C7 grade products complicated? A: Not complicated. It adopts standardized flange and installation dimensions, consistent with most entry-level CNC equipment. Ordinary operators can complete installation and commissioning in a short time without professional installation skills.

- Q: Can C7 grade products be customized according to my entry-level CNC equipment parameters? A: Yes. We support simple customization of lead, diameter and installation dimensions according to your entry-level CNC equipment parameters, with short customization cycle (5-10 working days) and low customization cost.

- Q: How to solve the problem of transmission lag of C7 grade products during use? A: The main reason for transmission lag is insufficient lubrication or excessive dust accumulation. You can first clean the product and apply lubricating oil; if the problem persists, our technical team will provide simple adjustment guidance, which can be operated without professional equipment.

- Q: What is the service life of Maitu C7 Grade Ball Screw Double Nut for CNC in basic CNC scenarios? A: Under normal use and simple maintenance, the service life can reach 4-6 years. With scientific maintenance such as regular lubrication with ISO VG68级 lubricating grease, the service life can be further extended to 30000 hours or more, which is fully compatible with the service life of entry-level CNC equipment.