Printing Press Ink Roller Core

Name: Ink Roller Transfer Core for Robust Printing Machinery – Frigate
Price: 249.00 USD
Availability: InStock

Printing Press Ink Roller Core must retain concentricity at operational speeds exceeding 10,000 RPM. Shaft deflection and core wall deformation can lead to ink banding, gear wear, and tonal variation. Frigate fabricates cores with controlled runout (<0.01 mm TIR) and balanced inertial mass distribution to ensure mechanical symmetry under thermal and rotational stresses.

Overall Plate Dimensions

500–3000 mm (±0.5 mm/m), Custom lengths up to 5000 mm (±1 mm/m)

Nominal Diameter

50–200 mm (±0.05 mm), Larger sizes up to 300 mm (±0.1 mm)

Material Specification

Steel (AISI 1018/1045), Aluminum 6061-T6 (for lightweight), or Stainless Steel 304 (corrosion-resistant)

Concentricity Tolerance (TIR)

≤0.03 mm (for cores <1000 mm), ≤0.05 mm (for cores ≥1000 mm)

Runout Tolerance (TIR)

≤0.02 mm (Static), ≤0.04 mm (Dynamic at max RPM)

Product Description

Printing Press Ink Roller Core requires exact alignment with bearing bores and journal ends. Any deviation in shaft concentricity or diameter tolerance accelerates inner ring creep and leads to radial clearance failure. Machined bearing shoulders and surface-ground journals on our cores maintain H7/h6 fits for consistent assembly across high-speed units.

Shaft End Details

Keyway (DIN 6885, h9 fit), Spline (DIN 5480, H7/h6), or Bearing Journal (h6 tolerance)

Surface Finish

Coating Adhesion Areas – Ra 1.6–3.2 µm, Shaft Ends – Ra ≤0.8 µm, Non-Critical – Ra ≤3.2 µm

Dynamic Balance

G2.5 (ISO 1940-1), ≤1 g·cm residual unbalance (for high-speed rollers >1000 RPM)

Wall Thickness

5–15 mm (±0.2 mm for steel, ±0.3 mm for aluminum), Uniformity – ±0.1 mm

Certification Standard

ISO 9001, ASTM A519 (Steel), ASTM B221 (Aluminum), RoHS Compliance

Technical Advantages

Printing Press Ink Roller Core operates under constant shear with ink viscosities ranging from 20 to 300 Pa·s. Core materials must resist torsional fatigue and surface microfracturing. Frigate selects low-carbon alloy steels with hardened outer diameters or chemically resistant composites rated for dynamic torque transfer in excess of 120 Nm.

Printing Press Ink Roller Core remains exposed to aggressive cleaning agents, press solvents, and elevated ambient temperatures. Corrosion pitting and thermal warpage are frequent issues. All metal cores are surface-treated via plasma nitriding or hard-chrome plating, achieving a minimum surface hardness of 60 HRC and corrosion protection compliant with ASTM B117.

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Industry Applications

Flexographic Printing Machines

Enables controlled ink delivery to anilox rolls, maintaining consistent film thickness during high-speed substrate contact.

Gravure Printing Systems

Facilitates uniform ink pickup from etched cells and consistent transfer to substrate via doctor blade-controlled operation.

Digital Web Presses

Maintains ink roller alignment in hybrid systems combining digital imaging with mechanical ink delivery components.

Security and Banknote Printing

Used in intaglio and offset systems where ink viscosity and registration must remain stable over prolonged print cycles.

Packaging and Label Printing

Handles variable viscosity inks in multi-layer and multi-color jobs requiring precise transfer to flexible packaging substrates.

Newspaper Printing Presses

Manages ink uniformity across wide-format cylinders under continuous duty cycles with minimal thermal expansion impact.

Custom End Geometry and Shaft Integration

Printing Press Ink Roller Core often interfaces with unique OEM couplings, drive systems, or locking sleeves. Dimensional mismatches lead to axial misalignment and rotational slip. Frigate provides cores with custom-machined keyways, tapers, or drive flats with precision tolerances for seamless integration into specific press assemblies.

Printing Press Ink Roller Core contributes significantly to vibrational loading if not precisely balanced. Unbalance causes ink foaming, roller bounce, and bearing heating. Each core undergoes ISO 1940 G2.5 balancing criteria with dynamic correction across multiple planes, ensuring mass asymmetry remains within permissible limits for high-speed applications.

Having Doubts? Our FAQ

Check all our Frequently Asked Question

How does Frigate ensure consistent concentricity in Printing Press Ink Roller Core for high-speed operations?

Frigate machines each core with a runout tolerance below 0.01 mm using CNC turning and precision grinding. This ensures the core remains concentric during rotation, preventing ink banding and roller bounce. Each unit undergoes dynamic balancing to ISO G2.5 standards. This makes Frigate cores reliable for high-RPM printing environments.

What surface treatments does Frigate apply to prevent corrosion in Printing Press Ink Roller Core?

Frigate applies hard chrome plating or plasma nitriding based on press environment and ink chemistry. These treatments offer corrosion resistance per ASTM B117 and enhance surface hardness beyond 60 HRC. This prevents pitting and dimensional changes over time. Cores retain surface integrity even after repeated solvent exposure and cleaning cycles.

How does Frigate control shaft fit accuracy in Printing Press Ink Roller Core?

Frigate grinds journal ends to meet H7/h6 tolerances for precision bearing fit. Each core is inspected with certified metrology tools to eliminate axial misalignment. This reduces bearing wear and vibration during press operation. The tight fit ensures long-term mechanical reliability in both OEM and retrofitted presses.

Can Frigate customize end geometry for different press models in Printing Press Ink Roller Core?

Frigate provides full customization for shaft ends, including keyways, tapers, threads, and locking profiles. End geometries are reverse-engineered or built to OEM specs using 3D scanning and CAD modeling. This ensures drop-in compatibility with any press configuration. No additional machining or alignment adjustments are needed during installation.

How does Frigate manage thermal stability in Printing Press Ink Roller Core used in long-run printing?

Frigate selects low-CTE materials and applies stress-relieving heat treatment after machining. This prevents thermal warping and dimensional drift during extended press runs. Core materials maintain uniformity even under continuous ink flow and temperature cycling. This keeps print registration and ink film thickness within tight process tolerances.

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LOCATIONS

Registered Office

10-A, First Floor, V.V Complex, Prakash Nagar, Thiruverumbur, Trichy-620013, Tamil Nadu, India.

Operations Office

9/1, Poonthottam Nagar, Ramanandha Nagar, Saravanampatti, Coimbatore-641035, Tamil Nadu, India. ㅤ

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