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Chemical Fiber Blade
PASSION specializes in blades for tough, abrasive fibers like carbon fiber and aramid. Our tungsten carbide blades ensure extreme wear resistance for clean, burr-free cuts and extended tool life. We leverage deep expertise to deliver custom solutions for your slitting needs.
The Chemical Fiber Blade PASSION Offers You
PASSION provide both industry standard chemical fiber blades and specialty fiber blades to meet specific needs. Common types of chemical fiber blade are long strip knife, slotted blade, three-hole blade, etc.
Compatible chemical fiber blade Machine Brands
We provide high-precision chemical fiber blades compatible with major machinery brands, including those listed below. If your brand is not listed, don’t worry—please provide specific blade parameters (such as dimensions, material type, or coating requirements) for a customized quote.
Explore Premium Chemical Fiber Blade
Chemical fiber blades can be manufactured in a variety of shapes, grades, and sizes.Above we have listed just a few common types of chemical fiber blades， If you have specific requirements, let’s discuss them together and we can provide you with custom drawings.
What Is A Chemical Fiber Blade?
Chemical fiber blades are specialized cutting tools used in the textile industry to slice and process synthetic fibers like polyester, nylon, and polypropylene. These blades are designed for precision and efficiency in high-speed operations, where they cut fibers into uniform lengths or shapes. They are essential for various stages of fiber production, such as spinning, weaving, or finishing.
Made from durable materials like carbon steel, stainless steel, or tungsten carbide, chemical fiber blades must withstand wear and maintain sharpness over extended periods. Depending on their application, blades come in different shapes, such as long strip blade, slotted blade, or three-hole blade, each suited to different types of fiber and cutting methods. Regular maintenance, like cleaning and sharpening, is necessary to ensure optimal performance.
What Are The Common Tungsten Carbide Grades For Chemical Fiber Blades?
YG10X
High Hardness: Features very high hardness, making it ideal for cutting tough and abrasive fibers with precision.
Superior Wear Resistance: Maintains a sharp edge for extended periods, ensuring consistent cutting quality.
Trade-off: Has lower impact resistance compared to higher cobalt grades, making it best suited for stable, vibration-free operations.
YG12X
Balanced Profile: Offers an excellent balance of hardness and toughness, providing a versatile solution for various applications.
Good Durability: Delivers strong wear resistance and edge retention while significantly improving fracture resistance under impact.
Reliability: The increased cobalt content helps resist chipping and cracking, especially under variable stress.
YG13X
Maximum Toughness: Its higher cobalt content provides superior impact resistance, preventing blade fracture in aggressive operating conditions.
Application Focus: Ideal for high-shock or intermittent cutting where blade chipping is the primary concern, rather than abrasive wear.
Trade-off: While still very hard, its edge retention is lower than YG10X and YG12X due to the increased toughness.
What Blade Material Should I Choose For Cutting Different Chemical Fibers?
Nylon (Polyamide)
Properties
Soft, flexible, low melting point, high moisture absorption.
Recommended Blade Material
Stainless Steel with Teflon Coating: Non-stick and corrosion-resistant.
Ceramic Blades: Sharp, smooth, non-reactive surface.
Polyester (PET)
Properties
Tough, thermoplastic, high melting point (~260°C), causes blade heating during high-speed cutting.
Recommended Blade Material
Tungsten Carbide: Excellent hardness and heat resistance.
HSS with TiN or DLC Coating: Reduces friction and extends edge life.
Polypropylene (PP)
Properties
Soft, waxy texture, very low melting point (~160°C).
Recommended Blade Material
Ceramic: Ultra-sharp, maintains edge with minimal friction.
DLC-Coated Steel: Low friction and good heat dissipation.
Acrylic (PAN)
Properties
Brittle, yet sticky under high temperature.
Recommended Blade Material
Carbide or TiN-coated HSS: Combines strength and heat resistance.
Teflon-coated blades: Prevents material from adhering.
Aramid (e.g. Kevlar®)
Properties
Extremely strong, high heat and cut resistance, very abrasive.
Recommended Blade Material
Tungsten Carbide or Ceramic Composite Blades.
PCD (Polycrystalline Diamond): Best for extreme abrasion resistance.
Viscose / Rayon
Properties
Soft, smooth, cellulose-based, prone to fraying.
Recommended Blade Material
Stainless Steel or Powder Metallurgy Steel (PM Steel): Strong edge retention with smooth finish.
Spandex (Elastane)
Properties
Very elastic, low melting point.
Recommended Blade Material
Ceramic Blades: Sharp, clean cuts with minimal resistance.
Non-stick Stainless Steel: For long runs with less maintenance.
Glass Fiber (GF)
Properties
Very abrasive, hard, causes severe blade wear.
Recommended Blade Material
Tungsten Carbide, Ceramic Composite, or PCD.
Carbon Fiber
Properties
Brittle, layered structure, extremely abrasive.
Recommended Blade Material
PCD (Diamond-Tipped) or Tungsten Carbide.
Chemical Fiber Blade Types And Their Functions
Chemical fiber blades are engineered in various types to meet specific challenges in the textile and synthetic fiber industries. The blade’s design is critical for achieving optimal cutting performance, efficiency, and product quality. Here are the most common types and their functions.
Long Strip Blade
Long strip blades are typically used for cutting long and continuous synthetic fibers or yarns. Their elongated design allows for precise, smooth cuts over extended lengths of material, making them ideal for high-volume production in the textile industry. These blades are often used in processes like filament cutting, where consistent, uniform cuts are essential for producing quality products.
Slotted Blade
Slotted blades feature one or more grooves or slots along the cutting edge. These slots help reduce friction and prevent the blade from clogging with fiber debris during operation. Slotted blades are commonly used for cutting synthetic fibers into smaller, more manageable pieces, or when fibers need to be processed in a way that requires less resistance. The slots provide a clean cut and enhance the blade’s efficiency, especially when cutting finer fibers.
Three-hole Blade
A three-hole blade has three strategically placed holes in its structure, often designed for specific mounting or alignment needs in machinery. These blades are typically used in more specialized cutting applications, where precise control over the cutting angle or fiber tension is needed. The holes allow for better integration with equipment, ensuring accurate fiber processing without compromising performance.
Key Parameters In Chemical Fiber Blade Drawings?
The parameters on a chemical fiber blade drawing define its geometry, material properties, and ultimately, its cutting performance. Understanding these specifications is critical for selecting the right blade to ensure optimal efficiency, quality, and durability in your specific application.
Blade Material
This specifies the compound used, such as Tungsten Carbide (WC-Co), HSS, or Ceramic. The material choice dictates wear resistance, toughness, and heat tolerance. This directly impacts blade lifespan and its suitability for specific fibers, whether they are abrasive or sticky.
Blade Hardness
Hardness is the material’s resistance to wear, measured in HRA or HV. A higher value means a longer-lasting edge but also higher brittleness. The optimal choice is a precise balance between wear resistance and toughness to prevent premature failure from either dulling or chipping.
Blade Thickness
This parameter defines the thickness of the blade’s body, which directly determines its rigidity and strength. A thicker blade offers greater stability for heavy-duty cutting. A thinner blade is less rigid but better suited for delicate, high-precision tasks requiring lower cutting force.
Edge Angle
This is the angle of the cutting edge. A smaller angle creates a sharper edge, requiring less force for clean cuts on fine fibers. A larger angle results in a stronger, more durable edge that better withstands the impact of cutting tough materials, though at the cost of some sharpness.
Blade Width
This dimension is primarily determined by the machine’s blade holder to ensure a secure fit and operational stability. A wider blade also provides greater rigidity against lateral forces during cutting, which contributes to consistent cutting accuracy and overall product quality.
Cutting Length
This refers to the length of the blade’s effective cutting edge. In staple fiber production, this parameter dictates the width of the filament tow that can be processed at once. A longer cutting length directly translates into higher material throughput and production line efficiency.
Number Of Holes
This denotes the pattern of mounting holes used to fasten the blade. Their precise position and tolerance are critical for ensuring perfect alignment and stability in the cutting machine. This precise mounting is fundamental for achieving high-speed and high-precision cutting.
Blade Radius (Or Curvature)
This describes a curved cutting edge. This design enables a progressive “slicing” or “shearing” action, which reduces peak cutting force and minimizes vibration. It often results in a cleaner cut with less material deformation, especially when processing tough materials.
Required Maintenance For Chemical Fiber Blades?
Proper maintenance is essential to ensure the longevity and optimal performance of chemical fiber blades. Here are the key maintenance tasks required:
Chemical fiber blades should be cleaned regularly to remove fiber residues, dust, and other contaminants that can accumulate during use. This prevents buildup that can lead to dullness, inefficiency, or malfunction. Cleaning can be done using brushes or cloths, and sometimes a mild solvent to dissolve sticky fibers.
Over time, blades lose their sharpness, which degrades cutting performance. For high-precision blades, this process is not simple sharpening but precision re-grinding to restore the original edge geometry and surface finish. This must be done with specialized equipment to maintain the correct angles. Improper sharpening can permanently damage the blade.
While many modern blades (like Tungsten Carbide) are highly corrosion-resistant, the moving parts of the cutting machinery, such as blade holders and sliding mechanisms, require proper lubrication. This ensures smooth operation, reduces friction, and prevents wear on the equipment. Always use the lubricant recommended by the machine manufacturer.
Regularly inspecting blades for signs of wear, cracks, or damage is crucial. This helps identify issues early and prevents the use of a damaged blade that could lead to poor cutting quality or even equipment failure. If a blade shows significant signs of wear or has become dull beyond sharpening, it may need to be replaced.
Over time, the machine's alignment may shift, especially in high-speed operations. It is crucial to regularly verify and calibrate the alignment of the blade holder and cutting equipment. This ensures the blade is perfectly parallel and positioned relative to the fiber tow, which is critical for maintaining cutting precision and consistent performance.
When not in use, blades should be stored properly in a dry, clean environment. This prevents rusting and damage due to exposure to moisture or harsh conditions. Blades should be stored in a way that prevents accidental impact or dulling of the edges.
