This series of blades is made of high-hardness integral cemented carbide/tungsten steel**, which cuts fibers through high-speed rotation and is specifically designed to solve the problems of "snagging", "snagging" and "burring" that occur when cutting single or multiple layers of lightweight flexible materials.
1. Core physical parameters and classification
The standard physical base specifications for this series of blades are primarily: outer diameter 28mm × thickness 0.63mm/0.8mm/1.0mm × inner diameter 6mm . Based on edge geometry, they are mainly divided into two camps:
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Circular/polygonal hobs (J371 - J380 series) :
- Shape design : Includes standard circle, decagon (10-Sided) and hexagon (16-Sided) .
- Design advantages : The Decagonal structure provides tiny “shredding” shearing forces during rotary cutting, making it ideal for handling multi-layered, high-strength, or slippery knitted and woven fabrics.
-
Multi-tooth fine-tooth circular cutter (J410 - J412 series) :
- Design features : edges with ultra-fine precision serrations or a sixteen-point heavy-duty cutting edge.
- Design advantages : It uses fine teeth to forcefully hook the material fibers, and is specially designed for special industrial textiles or heavy carpets with extremely high toughness and high density.
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JWei J371 |
 |
28*8*0.63 |
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JWei J373 |
 |
28*8*.063 |
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JWei J374 |
 |
32*8*0.63 |
|
JWei J374-B |
 |
32*8*0.63 |
|
JWei J375 |
 |
25*8*.063 |
|
JWei J376 |
 |
32*8*0.63 |
|
JWei J377 |
 |
36*8*0.63 |
|
JWei J378 |
|
22*8*0.63 |
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JWei J379 decagonal Rotatary blades |
|
22*8*0.63 |
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JWei Creasing knife blade J380 |
|
20*8*0.63 |
|
JWei J410 16-Sided Rotary Blades |
|
28*8*0.63 |
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JWei J411 16-Sided Rotary Blades |
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32*8*0.63 |
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JWei J412 16-Sided Rotary Blades |
|
36*8*0.63 |
3. Production and Selection Recommendations
- J374 and J371 The choice : In the mass production of clothing and textiles J374(The decagonal shape) has multiple sharp cutting surfaces, making it more effective at preventing misalignment when cutting thick, multi-layered, or synthetic fabrics, and it also has a longer lifespan; while J371(Pure round blade) is more suitable for fine cutting of single-layer, thin, and extremely complex fashion fabrics.
- Custom Surface Coating : If your factory frequently processes high-wear materials such as fiberglass, high-adhesion adhesives, and carbon fiber, it is recommended to find a third-party supplier (such as Shenzhen Oyea ) that supports TiN (titanium nitride gold-plated film) or DLC (diamond-like carbon black-absorbing film) coatings . These coatings can significantly reduce cutting friction heat, prevent fiber melting, and extend tool life by 2-3 times
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