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Help CenterCustom Rubber Roller With Dynamic Balance G6.3 Grade and 304 Stainless Steel Core for High-speed Applications
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Welcome to Henan San Kuang Machinery Technology Co., Ltd. – a professional manufacturer located in Luoyang, Henan, China, with over 10,000 square meters of factory space and a dedicated team of 51–100 employees. Since our establishment in 2022, we have focused on producing high-precision rubber rollers for demanding industrial applications. Our custom rubber roller with dynamic balance G6.3 grade and 304 stainless steel core is engineered specifically for high-speed applications, such as printing, laminating, and converting machinery. By combining a robust 304 stainless steel core with advanced rubber compounding and precise dynamic balancing, this roller delivers exceptional stability, reduced vibration, and extended service life even at rotational speeds exceeding 3000 RPM.
Key Features & Technical Specifications
Dynamic Balance Grade G6.3 – Ensures minimal vibration and noise, ideal for high-speed operation up to 5000 RPM (depending on roller dimensions). The G6.3 grade is a widely accepted standard for precision rotating components.
304 Stainless Steel Core – Provides excellent corrosion resistance, high strength, and dimensional stability. The core is precision-machined to tight tolerances for a true running surface.
Custom Rubber Covering – Choose from a wide range of elastomers (EPDM, NBR, Silicone, or PU) with Shore A hardness from 30 to 95. Surface finish can be smooth, textured, or grooved per your application requirements.
High-Temperature & Chemical Resistance – Depending on the rubber compound, the roller can withstand temperatures up to 200°C and resist oils, solvents, and acids (optional).
Precision Machining – All rollers are manufactured using CNC lathes and grinding machines, ensuring concentricity within 0.02 mm and surface roughness as low as Ra 0.8 μm.
| Parameter | Standard Range |
|---|---|
| Outer Diameter | 50 mm – 500 mm |
| Face Length | 200 mm – 4000 mm |
| Rubber Hardness | Shore A 30–95 ±2 |
| Dynamic Balance Grade | G6.3 (G2.5 available on request) |
| Max Operating Speed | Up to 5000 RPM (dependent on size) |
| Core Material | 304 Stainless Steel (316L optional) |
Benefits for Your Application
Enhanced Productivity – The G6.3 dynamic balance reduces vibration, allowing higher speeds without compromising print quality or causing premature wear.
Longer Service Life – The 304 stainless steel core resists rust and deformation, while the custom rubber compound is designed to withstand repeated compression and shear.
Reduced Maintenance – Precision tolerances minimize runout and bearing stress, cutting downtime for adjustments or replacements.
Versatility – Suitable for wet and dry environments, including water-based inks, adhesives, and chemical treatments.
Custom Tailoring – We offer full customization: core length, rubber type, hardness, groove pattern, and end connections (shafts, keyways, etc.).
Trust & Quality Assurance
Henan San Kuang Machinery Technology Co., Ltd. operates a modern facility spanning 10,000–30,000 square meters, with annual export value reaching US$2.5–5 million. Our products are shipped to major ports including Shanghai, Qingdao, and Tianjin, serving markets across North America, Europe, Southeast Asia, and beyond. We hold a comprehensive set of quality management certifications (ISO 9001, HACCP, and others) and adhere to strict production standards. Each roller undergoes 100% dynamic balancing and concentricity testing before dispatch. Our team of experienced engineers and technicians ensures that every custom roller meets your specific requirements.
Why choose us? We combine cost-effective manufacturing with rigorous quality control, backed by a responsive after-sales service. Whether you need a single prototype or volume production, we are ready to deliver. Contact us today to discuss your roller specifications and receive a competitive quotation.
Frequently Asked Questions
Q: What is the typical lead time for a custom rubber roller?
A: Standard lead time is 15–25 working days after design confirmation, depending on complexity and quantity.Q: Can you provide a dynamic balance certificate?
A: Yes, we can issue a certificate for G6.3 grade balance, and higher grades like G2.5 are available upon request.Q: What rubber materials are compatible with high-speed printing inks?
A: We recommend NBR (nitrile) or EPDM, depending on the ink type. Our team can advise based on your specific chemistry.Q: Do you offer a warranty on the roller?
A: Yes, we provide a 12-month warranty against manufacturing defects under normal operating conditions.Q: Can the roller be re-covered after the rubber wears out?
A: Absolutely. We offer re-covering services for existing stainless steel cores, which can extend the roller life significantly.Q: What is the maximum roller length you can produce?
A: Our maximum face length is 4000 mm, but longer lengths may be possible with special arrangement.Q: Do you have a minimum order quantity (MOQ)?
A: No fixed MOQ – we accept single-piece custom orders as well as bulk production.
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