Custom Metering Roller for Printing Machine Spare Part

The AstraRoll Custom Chrome Metering Roller serves as a critical fluid calibration and ink transfer component within the dampening or inking units of printing presses. Developed to eliminate the high premium costs of OEM replacements while matching precise technical tolerances, this roller ensures seamless mechanical integration without altering existing gear assemblies or housing frameworks.

The solid steel core body undergoes continuous cylindrical finish-grinding before receiving a deep industrial chromium treatment. This pore-free chrome matrix provides excellent surface release and wetting characteristics for printing inks and fountain solutions, preventing chemical glazing, ink accumulation, and friction lines caused by aggressive continuous contact with fountain doctor blades.

Technical Parameter

Dimensional Length: 1110 mm face dimension (Precise original fit)

Base Core Material: Forged High-Carbon Steel Core

Surface Armor Matrix: Electroplated Industrial Hard Chrome (Thickness ≥0.15mm)

Surface Hardness Profile: HV850 - 1050 / HRC60 - 64 (High scratch immunity)

Total Indicator Runout (TIR): ≤0.005mm (Maintained under high operating torque)

Surface Finish Roughness: Mirror Grade Finishing Ra ≤0.1μm to 0.2μm

Dynamic Balancing Level: ISO 21940 Grade G2.5 standard for vibration-free rotation

Applications

Commercial Offset Printing Lines: Dosing and calibrating fountain solution film thickness in continuous dampening configurations.

High-Speed Packaging Printing: Consistent ink film thickness control in long-run folding carton and commercial label processing.

Why Choose AstraRoll's Custom Metering Roller for Printing Machine Spare Part?

Micron-Level Concentricity Preserves Dot Sharpness (≤0.005mm Runout): Any concentricity variations provoke periodic printing pressure spikes, which cause ink film fluctuation and blurred halftone dots. AstraRoll restricts total indicator runout (TIR) to ≤0.005mm via final CNC cylindrical micro-grinding, ensuring crisp, uniform ink delivery.

Doctor-Blade Immune Chromium Shield (HV≥850): Offset printing components are subjected to constant abrasive contact from chemical solvents and cleaning blades. Our industrial-grade electroplated chromium shield limits friction scoring and micro-grooving, extending replacement intervals and protecting your production line from mid-run failures.

ISO G2.5 Dynamic Stability Eliminates Ink Misting: High press speeds can induce balance harmonics that destabilize the liquid meniscus, triggering ink misting or fluid spitting. Our rollers undergo computer-controlled balancing to meet strict ISO 21940 G2.5 parameters, securing quiet, vibration-free operation at maximum press speeds.

Q1. Are you a trader or direct factory?

We are a direct manufacturing factory with over 20 years of expertise in high-end industrial rollers, casters and material handling solutions. Our facility operates with ISO-certified quality management systems, allowing us to maintain full control over production cycles and quality standards. Throughout two decades of growth, we have established deep, long-term strategic partnerships with several listed companies and global automation leaders, proving our reliability as a high-tier industrial supplier.

Q2. What are your main products?

AstraRoll specializes in the engineering and production of three core product lines: Industrial Rollers, Heavy-Duty Wheels, and Precision Casters. We do not just sell components; we provide integrated movement and transport solutions. Our products are widely utilized across high-demand sectors, including: New Energy, Lithium Battery, Mining, Heavy Industry, Medical Institutional, Agriculture and Logistics.

Q3. What about delivery time?

We deeply understand that project timelines are critical.
Standard Products: Usually dispatched within 7–15 working days if the components are in stock.
Customized/OEM Orders: Depending on the complexity and volume, the lead time typically ranges from 20–35 days. This includes time for technical drawing confirmation, specialized tooling, and rigorous pre-shipment testing.
Shipping Methods: We offer flexible global logistics solutions, including FOB and CIF terms. We ship via Sea Freight (for bulk industrial orders), Air Freight (for urgent project needs), and International Express (DHL/FedEx/TNT) for smaller components or samples.

Q4. How can I get a quote for customized products?

Since a significant portion of our business involves specialized engineering, pricing is tailored to your specific technical requirements. To provide an accurate quote, please provide the following details: Technical Drawings or Sketches, Application Environment, Quantity, Special Requests. Our engineering team typically reviews and responds to custom inquiries with a formal quotation within 24–48 hours.

Q5. What is your payment?

TT / Paypal / Western Union / LC / Credit Card etc. are all available to us.