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Help CenterCarbon Steel Gear Rack and Pinion, CNC Machine Linear Transmission
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Henan San Kuang Machinery Technology Co., Ltd., established in 2014, is a professional manufacturer of precision transmission components with a factory area of 10,000–30,000 square meters. Our Carbon Steel Gear Rack and Pinion sets are specifically designed for CNC machine linear transmission applications, delivering high rigidity, excellent wear resistance, and reliable positioning accuracy. With over 8 years of experience and annual export value exceeding US$2.5 million, we provide customized solutions to meet the exact requirements of your CNC equipment.
This rack and pinion system is manufactured from premium carbon steel grades (such as C45, 40Cr, or 42CrMo) and undergoes precise tooth cutting and heat treatment processes to ensure long service life and stable operation under heavy loads. Whether you need a standard module or a specific tooth profile, our engineering team can tailor the product to your machine's specifications.
Key Features & Benefits
High Strength Carbon Steel Material – Offers superior toughness and resistance to deformation, ideal for continuous heavy-duty CNC operations.
Precision Ground Tooth Profile – Achieves DIN 6 or higher accuracy, minimizing backlash and ensuring smooth linear motion.
Customizable Module & Length – Available from M1 to M12, with single-piece lengths up to 6000 mm; multiple sections can be joined for longer travel.
Durable Surface Hardening – Induction hardening or nitriding options provide surface hardness of HRC 45–60, greatly extending wear life.
Low Noise & Vibration – Optimized tooth geometry and matched pinion design reduce operational noise and enhance machine stability.
Wide Application Compatibility – Suitable for CNC lathes, milling machines, routers, gantry robots, and other linear motion systems.
Technical Specifications
| Parameter | Available Range / Value |
| Material | C45, 40Cr, 42CrMo (carbon steel), or as required |
| Module (M) | 1 – 12 (other modules available upon request) |
| Single Section Length | 500 – 6000 mm |
| Precision Grade | DIN 6 – DIN 10 (customizable) |
| Surface Hardness | HRC 45–60 (after heat treatment) |
| Tooth Profile | Involute (straight or helical, optional) |
| Matching Pinion | Available in various tooth counts and bore sizes |
The rack is typically supplied with mounting holes or can be machined according to your fixture design. Each piece is individually inspected for tooth spacing, parallelism, and surface finish before shipment. Our quality control system follows ISO 9001 standards, ensuring consistent product performance.
Why Choose Our Rack and Pinion for CNC Linear Transmission?
Customized Solutions – We offer bespoke designs for special modules, lengths, and materials to match your exact machine specifications.
Competitive Pricing – Direct factory supply with strict cost control, providing high-quality products at factory-direct prices.
Reliable Lead Times – With a skilled workforce of 51–100 employees and modern production facilities, we ensure timely delivery.
Global Logistics – Shipments from major Chinese ports (Shanghai, Qingdao, Tianjin, Lianyungang) to North America, Europe, Southeast Asia, and beyond.
Our products have been exported to over 20 countries and regions, serving industries such as machine tool manufacturing, automation, and heavy equipment. We continuously invest in R&D to improve product performance and meet evolving market demands.
Frequently Asked Questions (FAQ)
Q1: What is the maximum single-piece length you can produce?
A: Our standard maximum length is 6000 mm per piece. Longer travel distances can be achieved by joining multiple sections with precision alignment pins.
Q2: Can you provide a complete set including pinion and rack?
A: Yes, we supply matched rack and pinion sets. The pinion can be customized in tooth count, bore diameter, and keyway dimensions.
Q3: What is the typical lead time for a custom order?
A: Lead time depends on quantity and customization level. For standard modules and lengths, it is usually 15–25 working days after confirmation.
Q4: Do you offer surface treatment options like black oxide or phosphating?
A: Yes, besides induction hardening and nitriding, we can apply anti-corrosion coatings such as black oxide, phosphating, or zinc plating upon request.
Q5: How do you ensure the accuracy of the rack?
A: Each rack is inspected using precision measuring instruments (e.g., gear tester, CMM). We provide a test report for every lot, and samples can be sent for third-party verification.
Q6: Can I order a small quantity for trial?
A: Absolutely. We accept trial orders for as few as 1–2 pieces to evaluate the quality and fit before bulk procurement.
Q7: What is the packaging method for export?
A: Racks are packed in wooden cases or plywood pallets with protective oil coating and rust-proof paper. Pinions are individually packed in boxes. All packaging meets international export standards.
Q8: Do you have any specific certifications for this product?
A: Our factory is ISO 9001 certified, and our manufacturing processes comply with international quality management standards. Specific product certifications can be provided upon request if required by your market.
Trust Henan San Kuang Machinery Technology Co., Ltd. – a reliable partner with over 8 years of export experience, serving global markets across North America, Europe, Asia, Africa, and Oceania. With a factory size of 10,000+ m² and annual export value of US$2.5–5 million, we have the capacity and expertise to meet your CNC linear transmission needs. Contact us today for a quote or technical consultation!
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