High-Quality ETaC-3 Coated Carbide Slitting Knife for Li-ion Battery Electrodes Supplier, Suppliers

SG’s ETaC-3 slitting knife offers ultra-precise, burr-free slitting for LFP, NMC, LCO, and LMO electrodes, providing 500,000+ cuts per blade with PVD coating. It extends blade lifespan while reducing metal powder adhesion. Trusted by CATL, ATL, and Lead Intelligent.

Product Description

Detailed Description
For lithium-ion battery manufacturers demanding micron-level precision, the ETaC-3 coated slitting knife is engineered for excellence. Built to handle demanding production lines, our blade cuts battery electrodes at high speeds with near-zero burrs. We utilize ultra-fine edge grinding and durable PVD coating, backed by ISO 9001-certified quality control. Whether you're manufacturing EV batteries, 3C electronics, or energy storage systems, this blade delivers the consistent performance your operation needs.
Key Features
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Built to Last High-density tungsten carbide stands up to non-stop production, keeping blades sharper for longer.
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Smooth Operator Advanced PVD coating reduces friction and prevents metal residue from sticking to the blade.
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Surgical Precision Ultra-sharp edges leave less than 5μm of burr, ensuring cleaner cuts and superior battery performance.
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Precision Lapping Ensures flatness within ±2μm for exceptionally stable and consistent cuts.
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Anti-Stick Process Specialized grinding lowers contamination risk in NMC/LFP electrode slitting.
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OEM Customization Tailored dimensions, coatings, and edge geometries to meet your specific production requirements.
Specifications
Items Dimensions (ØD*Ød*T mm) Blade Type
1130-88-1Upper slitter
2130-70-3Bottom slitter
3130-97-1Upper slitter
4130-95-4Bottom slitter
5110-90-1Upper slitter
6110-90-3Bottom slitter
7100-65-0.7Upper slitter
8100-65-2Bottom slitter
995-65-0.5Upper slitter
1095-55-2.7Bottom slitter
Applications

EV Batteries

Perfect for fast-paced electric vehicle production lines, slicing through tough NMC and NCA cathode materials with ease, even with nickel-rich formulations or ultra-thin foils.

Energy Storage

Tungsten carbide toughness provides clean edges for thick LFP electrodes used in grid-scale batteries, delivering consistent quality batch after batch.

3C Batteries

Micron-level control offers razor-sharp precision for smartphones, tablets, and wearables, handling delicate LCO foils thinner than a human hair.

Why Choose These Solutions?
  • ✅ Trusted by industry leaders for critical electrode cutting applications.
  • ✅ ISO 9001-certified quality control ensures every blade meets high standards.
  • ✅ 24/7 engineering support available to solve complex slitting challenges.
Frequently Asked Questions
Q1: Why choose ETaC-3 over standard slitting blades?
A: The PVD-coated carbide reduces wear by 40% compared to uncoated blades, which is critical for high-volume LFP production.
Q2: Can the blade diameter and thickness be customized?
A: Yes, OEM solutions are available for unique electrode widths ranging from 90mm to 130mm and beyond.
Q3: How do these blades minimize edge chipping?
A: Our specialized micro-grinding process strengthens the edge, allowing for over 500,000 cuts under optimal conditions.
Q4: What level of burr can I expect from these knives?
A: The edges are precision-ground to leave behind less than 5μm of burr, ensuring cleaner cuts and better battery performance.
Q5: Is the blade suitable for nickel-rich cathode materials?
A: Yes, the high-density tungsten carbide and anti-stick grinding process are specifically designed to handle tough NMC and NCA materials.
Q6: How is the flatness of the blade maintained?
A: We use precision lapping technology to ensure flatness within ±2μm, which provides maximum stability during high-speed cutting.

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