|
Still deciding? Get samples of $ !
Request Sample
|
| Customization: | Available |
|---|---|
| Manufacturing Process: | Sintered |
| Shape: | Flat-Shaped |
| Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
|---|
Suppliers with verified business licenses
Audited by an independent third-party inspection agency

This CBN Resin Grinding Wheel is a specialized precision tool engineered for the maintenance and sharpening of large-format circular knives used in critical slitting and cutting operations within the toilet paper, tissue, and nonwoven converting industries. Designed to service the standard 610mm (24-inch) diameter circular blades common on high-speed unwind stands, slitters, and log saws, it ensures the extreme sharpness and edge integrity required for clean, burr-free cutting of paper and tissue products without generating dust or lint.
Precision for Paper Cutting:
Clean, Razor-Sharp Edge: Produces an exceptionally keen, consistent edge geometry on the circular knife. This is non-negotiable in the paper industry to achieve a perfect cut without tearing, dusting, or creating rough edges on the final product.
Material Compatibility: Circular knives in this industry are typically made from high-quality high-carbon steel, alloy tool steel, or specially hardened steel to maintain sharpness. CBN (Cubic Boron Nitride) is the ideal superabrasive for these ferrous metals, as it cuts efficiently with minimal heat, preventing loss of blade temper.
Key Technology: CBN & Resin Bond:
CBN Abrasive: Offers exceptional hardness and wear resistance, providing a long service life far exceeding conventional aluminum oxide wheels. It maintains a consistent cutting profile for uniform sharpening across the entire 610mm blade circumference.
Resin Bond: Provides the necessary flexibility and cushioning to produce a smooth, polished edge finish. It absorbs vibration during grinding, crucial for preventing micro-chipping on the delicate knife edge.
Operational & Economic Benefits:
Reduced Blade Wear & Downtime: Proper, consistent sharpening extends the service life of the expensive circular knife itself, maximizing intervals between re-grinds and reducing production stoppages.
Superior Cut Quality: Directly contributes to higher product quality by ensuring clean slitting and cutting, reducing waste from poorly cut rolls or sheets.
High Grinding Efficiency: Allows for faster sharpening cycles compared to traditional methods, getting critical equipment back into production more quickly.
| Parameter | Recommended Specification | Rationale for Application |
|---|---|---|
| Wheel Shape | Straight Wheel (Type 1A1) or Cup Wheel (Type 6A2/11V9) | Depends on machine fixture. Cup wheels often provide better access to the blade's edge. |
| Abrasive | CBN (Cubic Boron Nitride) | Mandatory for efficient grinding of hardened steel blades. |
| Bond Type | Reinforced Resin Bond | Provides the fine finish and edge control required for a sharp cutting edge. |
| Diameter (D) | 100mm - 200mm (Customizable) | Must be compatible with your sharpening machine's capacity. |
| Grit Size | #180 - #400 (FEPA) | #180/#240: For edge repair and shaping. #320/#400: For final honing and polishing to a razor edge. |
| Bore Size (H) | 31.75mm (1.25") or as per machine | Must match the grinder spindle. |
| Concentration | 75 - 100 | Standard concentration offering a good balance of cutting speed and wheel life. |
| Max. Speed | As per wheel marking (Do not exceed) | Safety is critical; follow manufacturer and machine ratings. |
Machine Compatibility: This wheel is designed for use on a precision tool and cutter grinder or a dedicated circular knife sharpening machine. DO NOT use on a standard bench grinder due to the precision required and safety considerations.
Mounting & Dressing: Ensure the wheel is mounted correctly with clean flanges and balanced. It may require occasional dressing with a diamond dresser to true the face and maintain optimal cutting performance.
Sharpening Technique: The circular knife must be securely mounted on a mandrel or in its fixture. Use a steady rest and follow the established sharpening angle for the knife. Apply light, consistent pressure.
Coolant: Highly recommended. Using a coolant (suitable for resin bonds) will significantly extend wheel life, improve the finish, and control dust.
Critical Safety:
Always wear ANSI-rated safety glasses, a face shield, and hearing protection.
Ensure all machine guards are in place.
Never exceed the maximum operating speed (RPM) marked on the wheel.
Inspect the wheel for damage before each use.
For paper converting operations, the cutting performance of the circular knife directly impacts product quality, machine speed, and operational efficiency. This specialized CBN Resin Grinding Wheel is not a generic consumable but a precision tooling investment. It enables in-house maintenance teams to professionally restore blades to factory-grade sharpness, ensuring optimal cutting performance, reducing reliance on external sharpening services, and minimizing costly production disruptions due to poor blade condition.
For a quotation or to discuss custom specifications for your specific machine and blade type, please contact us with your requirements.







Not a Generic Product: It is a precision tool engineered for your specific process, leading to optimized results.
Factory-Direct Expertise & Value: You work directly with the manufacturing engineers, ensuring optimal design and competitive pricing.
Proven Performance: Based on established technology that has revolutionized crankshaft grinding, offering unmatched consistency and productivity.
Comprehensive Support: From initial consultation and sample testing to production and after-sales technical assistance.
Consultation: Provide your machine model, crankshaft material specs, current grinding parameters, and performance goals.
Engineering Proposal: We will analyze your needs and propose a custom wheel specification (dimensions, CBN grade, bond formulation).
Sample & Testing: A trial wheel can be produced for in-house validation (lead time and MOQ apply).
Production & Delivery: Upon approval, your custom wheels are manufactured under strict quality control and shipped directly to your facility.
Contact our engineering team today to begin the process of customizing your high-performance crankshaft grinding solution.



1. Why Choose Yaxin Superhard?
With a legacy of expertise dating back to 1997, we are a certified High-Tech Enterprise trusted by industry leaders like BYD, Gree, and Midea. Our operations are fully certified under ISO 9001, ISO 14001, and ISO 45001. We don't just sell tools; we deliver proven reliability and comprehensive solutions engineered to enhance your productivity.
2. What is your Quality & Warranty Policy?
We stand firmly behind our products with a comprehensive 2-year warranty against any manufacturing defects. Our commitment to quality is absolute, ensured by a rigorous management system that guarantees every tool we produce delivers consistent, high-performance results on your production line.
3. Do you offer free samples?
Yes, we do. For new partners, we believe the best way to demonstrate our value is through a small, complimentary sample package of our standard tools. For more specialized or high-value items, we recommend starting with a small trial order. We are so confident in our technology that we are happy to credit the cost of this trial order towards your first official volume purchase.
4. What are your payment and shipping terms?
We offer flexible payment terms to support our partners, including T/T (Bank Transfer) and PayPal. For shipping, we provide a full range of global logistics solutions-Sea, Air, and Land freight-and can work with your preferred freight forwarder to ensure fast, safe, and reliable delivery to your facility.
5. How do you package the products to ensure safety?
Our packaging process is meticulous. Each tool is first placed in its own box, carefully protected with anti-collision materials like bubble wrap. These individual boxes are then secured within a larger outer container. Depending on the order's weight and value, we use either heavy-duty, multi-layered cartons or sturdy wooden cases, ensuring maximum protection during international transit. Delivery is typically 3-30 days, confirmed based on your specific order.