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Help CenterCrossed Roller Slewing Ring 0.02mm Rotational Accuracy 316L Stainless Steel Material
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As a leading manufacturer with over a decade of experience, Henan San Kuang Machinery Technology Co., Ltd. (established in 2014) proudly presents our Crossed Roller Slewing Ring with an exceptional 0.02mm rotational accuracy and construction from 316L stainless steel. Our factory, spanning 10,000–30,000 square meters, and annual export value of US$2.5–5 million, ensure that each slewing ring meets rigorous international standards. This product combines micro-precision with robust corrosion resistance, making it the ideal choice for high-end automation, medical robotics, and precision machinery.
The crossed roller design eliminates clearance and provides high rigidity while maintaining smooth rotation. The 316L stainless steel material offers excellent resistance to chloride environments and reduces maintenance frequency. With a rotational accuracy of 0.02mm, this slewing ring guarantees repeatable positioning and long-term stability even under heavy loads.
Key Features & Technical Specifications
- Crossed Roller Design: Alternating cylindrical rollers arranged at 90° allow the ring to handle axial, radial, and moment loads simultaneously with minimal deflection.
- 0.02mm Rotational Accuracy: Precision ground raceways and controlled preload ensure runout within 0.02mm, suitable for applications requiring high repeatability.
- 316L Stainless Steel: Low carbon content improves weldability and corrosion resistance; ideal for food processing, marine, and pharmaceutical equipment.
- Customizable Dimensions: Outer diameter, inner diameter, and height can be tailored to your specific mounting requirements – consult our engineering team for non-standard sizes.
- Integrated Sealing Options: Available with rubber or metal shields to protect against dust and moisture, extending service life.
- Lubrication Flexibility: Pre-lubricated with high-temperature grease or can be supplied with oil ports for centralized lubrication systems.
- Mounting Holes: Standard or custom bolt patterns can be machined for easy integration into your equipment.
| Parameter | Typical Range | Notes |
|---|---|---|
| Outer Diameter | 500 – 3000 mm | Custom sizes available |
| Inner Diameter | 300 – 2800 mm | Customizable |
| Overall Height | 50 – 150 mm | Depends on load rating |
| Rotational Accuracy | ≤ 0.02 mm | At raceway, under no load |
| Dynamic Load Capacity (Axial) | Up to 500 kN | Varies with size |
| Static Load Capacity (Axial) | Up to 800 kN | Varies with size |
| Material | 316L Stainless Steel | Also available: 304, 17-4PH |
| Weight | 20 – 200 kg | Depends on dimensions |
Advantages & Customer Benefits
- Enhanced Precision: The 0.02mm accuracy minimizes backlash and ensures consistent performance in robotic arm joints, turntables, and indexing tables.
- Corrosion Resistance: 316L stainless steel withstands harsh chemicals, saltwater, and frequent washdowns – perfect for food & beverage and marine industries.
- Long Service Life: Crossed roller design reduces contact stress, leading to lower wear and extended maintenance intervals.
- Space Saving: Compact design allows for slim rotation units without sacrificing load capacity.
- Easy Installation: Pre-drilled mounting holes and simple bolt-on integration reduce assembly time.
- Global Logistics Support: We ship from Port of Shanghai, Lianyungang, Qingdao, or Tianjin, with fast delivery to major markets worldwide.
Our Crossed Roller Slewing Ring has been adopted by clients in North America, Europe, Southeast Asia, and the Middle East for applications such as satellite antenna positioning, medical CT scanners, and heavy-duty welding positioners. The combination of stainless steel and high precision offers a distinct advantage in environments where both cleanliness and accuracy are mandatory.
Trust & Quality Assurance
Henan San Kuang Machinery Technology Co., Ltd. operates under a comprehensive quality management system certified to ISO9001, ISO14000, and OHSAS18001 (as listed in our certifications). With a dedicated team of 51–100 skilled employees, we have maintained an annual export value of US$2.5–5 million by consistently delivering precision slewing rings that meet or exceed customer expectations.
We understand that your equipment demands reliability. That is why every slewing ring is individually tested for rotational accuracy, load capacity, and leak tightness before shipment. Our engineering team offers free technical consultation to help you select the optimal configuration for your specific application. Whether you need a standard size or a fully customized design, we are ready to support your project from prototype to mass production.
Contact us today to discuss your slewing ring requirements and request a quotation. Let our precision engineering empower your next innovation.
Frequently Asked Questions
-
Q: What does 0.02mm rotational accuracy actually mean in practice?
A: It means that the radial runout of the slewing ring's raceway is within 0.02mm when measured under no load. This ensures smooth, repeatable rotation for applications like robotic arms and indexing tables. -
Q: Can you supply slewing rings with different materials, such as 304 stainless steel or carbon steel?
A: Yes, we can produce slewing rings in 304, 316L, 17-4PH stainless steel, or 42CrMo4 steel. The 316L offers superior corrosion resistance for aggressive environments. -
Q: What is the typical lead time for a custom-sized ring?
A: Lead time depends on complexity and quantity. For standard sizes, it is around 15–20 working days; for custom dimensions, please allow 25–35 working days. -
Q: Do you provide mounting instructions or engineering drawings?
A: Yes, we provide 2D/3D CAD drawings and installation guidelines upon request. Our engineers can also assist with structural calculations. -
Q: How often should the slewing ring be lubricated?
A: For standard applications, re-lubrication every 6 months is recommended. The actual interval depends on operating speed, temperature, and load. We can supply a maintenance schedule tailored to your usage. -
Q: Is this slewing ring suitable for high-speed rotation?
A: The crossed roller design is optimized for moderate speeds with high precision. For high-speed applications, we recommend consulting our engineers to evaluate heat generation and lubrication requirements. -
Q: What certifications do your products carry?
A: Our company is certified to ISO9001, ISO14000, OHSAS18001, and other management standards. We can provide a certificate of material compliance (316L) and test reports for rotational accuracy upon request. -
Q: Can you supply small quantities for prototyping?
A: Absolutely. We accept orders for 1–10 pieces for prototyping or R&D. Our flexible production line can handle both low-volume and high-volume orders.
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