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Help CenterPU Roller 10mm Shaft, 40mm OD, 80 Shore A, Smooth Surface, 2000mm Length for Printing Machine
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Henan San Kuang Machinery Technology Co., Ltd., established in 2014, is a professional manufacturer specializing in high-quality industrial rollers. Our PU Roller with a 10mm shaft, 40mm OD, 80 Shore A hardness, smooth surface, and 2000mm length is engineered specifically for printing machines, delivering consistent performance and durability. With a factory size of 10,000-30,000 square meters and over 50 skilled employees, we combine advanced production techniques with rigorous quality control to ensure every roller meets the demanding requirements of modern printing processes.
This polyurethane roller offers excellent abrasion resistance, tear strength, and dimensional stability, making it ideal for high-speed printing applications where precise ink transfer and minimal vibration are critical. The 80 Shore A durometer provides a balanced combination of flexibility and firmness, ensuring proper nip pressure without damaging delicate substrates. The smooth surface finish further enhances print quality by reducing friction and eliminating streaks.
Key Features & Technical Specifications
Precision Machined Shaft: 10mm diameter steel shaft with tight tolerance for easy installation and concentric rotation.
Optimal Outer Diameter: 40mm OD designed for standard printing machine roller positions.
Consistent Hardness: 80 Shore A ( ± 2 Shore A ) ensures uniform nip pressure across the entire length.
Ultra-Smooth Surface: Ra ≤ 0.8μm finish reduces ink splashing and improves print clarity.
Long Length Accuracy: 2000mm length with end trimming tolerance of ±1mm.
Material Durability: High-grade polyurethane with excellent resistance to oils, solvents, and wear.
Customizable Options: Color, shaft end configuration, and rubber hardness available upon request.
| Parameter | Value | Notes |
|---|---|---|
| Shaft Diameter | 10 mm | Steel, ground finish |
| Outer Diameter | 40 mm | After grinding |
| Hardness | 80 Shore A | ±2 Shore A |
| Surface Roughness | Ra ≤ 0.8 μm | Smooth finish |
| Length | 2000 mm | Custom lengths available |
| Material | Polyurethane | High abrasion resistance |
| Operating Temperature | -20°C to +80°C | Continuous use |
Benefits for Your Printing Machine
Enhanced Print Quality: The smooth surface and precise OD eliminate uneven ink transfer, resulting in sharp, consistent output.
Reduced Downtime: PU material resists swelling from solvents and oils, extending service life between replacements.
Improved Operational Efficiency: Low friction design reduces energy consumption and wear on bearings.
Easy Installation: Standard 10mm shaft fits most printing machine roller mounts without modification.
Wide Compatibility: Suitable for flexographic, gravure, and offset printing presses.
Our manufacturing process includes precision grinding and balancing to ensure concentricity within 0.05mm, minimizing vibration even at high speeds. Each roller is individually inspected for hardness, dimension, and surface finish before shipment. We also offer optional keyways, threaded ends, or special coatings to meet specific OEM requirements.
Trust & Reliability
Henan San Kuang Machinery Technology Co., Ltd. has been serving global clients since 2014, with an annual export value of US$2.5 million to US$5 million. Our factory spans 10,000-30,000 square meters, employing 51-100 experienced professionals. We hold multiple quality management certifications, including ISO9001, ISO14000, OHSAS18001, and others, demonstrating our commitment to consistent quality and environmental responsibility. Our products are shipped from major Chinese ports (Shanghai, Qingdao, Tianjin, Lianyungang) to markets across North America, South America, Europe, Asia, Africa, and Oceania.
We understand that printing machine rollers are critical components that directly affect your production efficiency and product quality. That's why we offer a 12-month warranty against manufacturing defects and provide technical support for installation and maintenance. Our team can also develop custom rollers based on your drawings or samples.
Contact us today to discuss your specific requirements or request a quotation. With our competitive pricing, reliable quality, and fast delivery, we are your ideal partner for long-lasting printing machine rollers.
Frequently Asked Questions
Q: What is the maximum operating speed for this roller?
A: The roller is balanced for speeds up to 3000 RPM. For higher speeds, please inform us so we can provide dynamic balancing.Q: Can I use this roller with UV-curable inks?
A: Yes, our standard PU material is resistant to UV inks. However, for extended exposure, we recommend our UV-resistant grade (available upon request).Q: Is the shaft keyed or keyless?
A: The standard roller comes with a smooth shaft. Keyways, flat slots, or threaded ends can be added as an option.Q: What is the tolerance on the outer diameter?
A: The OD tolerance is ±0.1mm after grinding. For tighter requirements, we can achieve ±0.05mm.Q: How do I clean the roller surface?
A: Use a soft cloth with mild detergent or isopropyl alcohol. Avoid abrasive cleaners that could damage the surface.Q: Do you offer a sample for testing?
A: Yes, we can provide a sample (length may be shorter) for evaluation. Shipping costs are negotiable.Q: What is the lead time for this roller?
A: Standard lead time is 15-20 working days after order confirmation. For large quantities, please contact us for scheduling.Q: Can I get a custom hardness other than 80 Shore A?
A: Yes, we can produce rollers from 50 to 95 Shore A. Custom hardness may require a longer lead time.
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