Su Zhou Jin Li Cutting Tools Co.,Ltd

Rubber Stripper Rings | PU Composite Return Rings

High-Precision Oil-Resistant Stripper Rings for Scratch-Free Metal Slitting.

Our PU Composite Return Rings (Stripper Rings) are engineered for high-performance slitting lines where material surface protection and precision feeding are critical. By combining a hardened alloy steel core with an imported oil-resistant polyurethane (PU) shell, our rings provide the perfect balance of structural rigidity and elastic cushioning.

Description

Unmatched Precision & Tolerances:

We set the industry standard for precision in slitting tooling. Our advanced grinding and lapping processes achieve:

Thickness Tolerance: Standard: ±0.001mm, with the capability to reach an ultra-precise:±  0.0005mm

Parallelism & Flatness: Controlled within 0.002 mm to ensure stable strip tracking and zero wobbling.

Core Features & Material Excellence:

Composite Construction: Built with a high-grade imported alloy steel core, hardened and surface-ground for maximum stability.

Premium Polyurethane (PU): The outer ring is made of high-quality, oil-resistant, and wear-resistant PU, ensuring a long service life in demanding industrial environments.

Optimized Shore Hardness: We customize the PU hardness (e.g., 70, 80, or 90 Shore A) specifically for your application—whether you are slitting soft aluminum, sensitive copper, or high-tensile steel.

Surface Finish: Mirror-polished surface treatment to prevent any marking or scratching on sensitive material surfaces.

Key Applications:

Surface-Sensitive Materials: Ideal for Stainless Steel, Aluminum Foil, and Coated Coils.

High-Speed Slitting: Prevents “strip waviness” and ensures accurate material stripping at high RPMs.

Thin Foil Processing: Essential for maintaining tension and alignment in foils down to 0.05mm.

Why Choose Our Composite Stripper Rings?

No Material Marking: Our specialized PU formula ensures that no residue or scratches are left on your high-value metal strips.

Vibration Damping: The composite design absorbs micro-vibrations during the slitting process, protecting both the blade and the material.

Expert Customization: We manufacture to your exact machine specifications, including custom inner/outer diameters and thickness requirements.

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