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Silicon steel (especially grain-oriented silicon steel/cold-rolled transformer steel) is widely recognized as one of the most difficult materials to cut in the industry. With decades of professional experience, we offer a full range of carbide slitting circular knives and specialized solutions designed to improve the cutting quality of silicon steel sheets, reduce burrs and stress deformation, and ensure the magnetic properties and production efficiency of transformer and motor cores.
Product Series | Key Features: | Key Technical Specifications: |
|---|---|---|
Solid Carbide Slitting Knives | Made entirely of tungsten carbide, offering ultra-high hardness and wear resistance. | Parallelism ≤ 0.002mm, flatness ≤ 0.002mm, thickness tolerance +0.001mm |
Special Knives for Three-Point Slitting Lines | Unique blade design extends sharpening intervals and provides stable burr control. | Can cut 100,000-300,000 meters per sharpening, burr < 0.02mm |
Carbide-Tipped Slitting Knives | Tungsten carbide cutting edge is embedded in a low-carbon steel body, balancing performance and cost. | Hardness HRA 88-90, lifespan is 5-10 times that of ordinary high-speed steel tools |
Fixed-Length Shearing Knives | Compatible with mainstream cut-to-length shear lines from manufacturers such as George, Sener, and Aston. | Can perform 2.5 million to 3 million cuts per sharpening, burr < 0.02mm |
Outer diameter (mm) | Inner diameter (mm) | Thickness (mm) |
|---|---|---|
160.5 | 90 / 100 / 110 | 52 |
175.5 | 110 | 60 |
198.5 / 200.5 | 120 / 128 | 66 / 75 |
208.5 | 120 | 75 |
230 / 250 | 125 | 85 |
270 | 140 | 90 |
1. Material Advantage: We use high-grade cemented carbide, which maintains high hardness and wear resistance even at 500°C.
2. Precision Guarantee: Equipped with CMM coordinate measuring machines, 2D image measuring instruments, imported height gauges, and other testing equipment for precise control throughout the entire process.
3. Expertise in Manufacturing: We have more than 6 grinding machines, capable of ultra-precision machining of tools with outer diameters ≤400mm and thicknesses ≤50mm.
4. Extensive Experience: With decades of experience in the industry, we deeply understand the pain points of silicon steel cutting and provide targeted solutions.
5. Cost Optimization: Innovative designs such as inlaid tools significantly reduce usage costs while ensuring performance.
• Improved magnetic performance: High-quality cuts reduce damage to the silicon steel sheet's crystal structure, ensuring the electromagnetic efficiency of the iron core.
• Reduced losses: Minimizing burrs effectively reduces eddy current losses and noise in the transformer core.
• Increased efficiency: Ultra-long tool life and stable performance reduce downtime for tool changes and regrinding.
• Guaranteed flatness: Precision shearing helps maintain the flatness of the silicon steel sheets, facilitating subsequent stacking and assembly.
Please provide the following information, and our technical team will tailor a solution for you:
1. Silicon steel type (oriented/non-oriented), silicon content, and thickness
2. Brand and model of existing slitting or cut-to-length equipment
3. Current cutting problems (burrs, tool wear, sheet shape, etc.)
4. Production capacity requirements and quality indicators (burr height, length tolerance, etc.)
Submit parameters to get a solution | Contact silicon steel cutting experts | Send samples for free cutting testing
