Woodworkers are now retrofitting spiral cutterheads to their old planers, and jointers for the following advantages.
1. Smoother Finish with no tear-out. Each knife sits at a slight angle and produces a shear-cut. Spiral cutterhead planes board in a staggered way which is much better than a single straight cut. The combined shear and staggered cut eliminates tear-out and leaves a glossy surface finish on even highly figured hardwood.
2. Noise is dramatically reduced as the spiral cutterhead allows a few knives to cut in a staggered way.
3. More than 10 times the life use of high-speed steel. The 15x15x2.5mm inserts are made of sintered tungsten carbide which is much harder than high-speed steel. Each insert has four edges.
4. Easy to change. The knives are precision ground to a tolerance of +/-0.0004" or +/-0.01mm and are interchangeable. Loosen the screw, rotate 90° for a new edge, and tighten the insert in minutes.
5. Dust extraction is easier. The spiral cutterhead produces thinner and shorter chips.
6. Low cost to use. Spiral cutterheads produce a smoother finish, reduce or eliminate sanding work, and don't require sharpening, your product will pay for itself in a very short time.
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Technical | |
Material of Cutterblock | Alloy Steel |
No. of Spirals | 6 |
No. of Carbide Inserts | 102 |
Carbide Insert Size | 15x15x2.5mm R150 30° |
Screw Size | T20 M6 |
Standard Kit | |
No. of Additional Knives | 5 |
No. of Additional Screws | 5 |
No. of Wrenches | 1 |