For flat-point cutting inserts (LWBF series) and round-point cutting inserts (LWBP series) , the core models and selection/application guidelines are as follows:
I. Flat-point blades (LWBF saw tooth series)
A key feature of the LWBF series blades is that the cutting edge has bidirectional serrations or a specific shearing angle (usually 2 x -12° or 12°) . Combined with the high-frequency up-and-down reciprocating motion of the vibrating head, its cutting principle is closer to high-speed "micro-sawing".
1. Core Model Parameters
• LWBF076 : 10mm depth of cut / 36mm overall length / 68° blade angle
• LWBF210 : 30mm depth of cut / 46mm overall length / 82° blade angle
• LWBF230 : 40mm depth of cut / 57mm overall length / 87° blade angle
• LWBF240 : 65mm depth of cut / 82mm overall length / 87° blade angle
• LWBF2065 : 110mm depth of cut / 135mm overall length / 90° blade angle
2. Selected Applications
Flat-tipped serrated cutters effectively prevent material from being dragged, stretched, or deformed during processing, making them ideal for single-pass cutting of high-density, high-tensile-strength, fibrous, or multi-layered tough materials .
• Sealing and industrial gaskets : graphite gaskets, asbestos and non-asbestos gaskets, rigid rubber rings .
• Dense fibers and textiles : leather, carpets, hard felt , car floor mats, thick canvas.
• Composite material prepregs : cutting carbon fiber sheets and glass fiber cloth (ensuring no burrs or frayed edges).
• Heavy-duty packaging and damping materials : high-density cork boards, thick EVA damping materials, and flexible polyvinyl chloride (Vinyl) .
II. Round-point cutting blades (LWBP series)
The LWBP series features a rounded point design . During high-speed vibration, the rounded point provides a better sliding entry trajectory, greatly reducing the risk of the tip snagging and tearing inside porous, soft, or sandwich materials.
1. Core Model Parameters
• LWBP315 : 15mm depth of cut / 36mm overall length
• LWBP320 : 20mm depth of cut / 36mm overall length
• LWBP325 : 25mm depth of cut / 46mm overall length
• LWBP370 : 70mm depth of cut / 88mm overall length
• LWBP3100 : 100mm depth of cut / 118mm overall length
2. Selected Applications
Round-tipped blades are standard equipment in the digital printing, advertising signage, packaging proofing, and building decoration industries, specifically designed for cutting various types of sandwich panels, honeycomb structure materials, and ultra-thick lightweight foams .
• Environmentally friendly and honeycomb board materials : Xanita Board (environmentally friendly honeycomb board) , cardboard, paper honeycomb board, double-layer corrugated cardboard (rounded tips keep the cuts smooth at corners).
• Visual signage display boards : Graphic Foamboard (colored KT display board) , PVC foam board, Corflute (hollow plastic board/Vanilla board) .
• Extra-thick and insulating foams : EPE pearl cotton, polystyrene foam (EPS) , closed-cell high-density foam (HD Foam) . Longer models such as LWBP3100 (100mm cutting depth) can vertically cut through extremely thick insulation layers or packaging lining materials in a single vertical stroke.
Dimension Flat-tipped serrated cutter (LWBF series) Round-pointed knife (LWBP series)
knife tip geometry Flat/flat-headed with serrated corners Arc-shaped rounded tip to prevent material from sticking
Main material resistance High tensile strength, high density, and fiber toughness structure Soft, porous, multi-layered, hollow structure
Technological advantages Suitable for strong sawing of straight lines and large curves, without fraying the edges. Corner-resistant, tear-resistant material; prevents interlayer collapse; fast chip removal.
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