Sharpening Woodworking Tools
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Pg.1-5, Pg. 6-10, Pg 11-15, Pg. 16-20, Pg. 21-25

Honing Lathe Duplicator Cutters

Warning: Lathe duplicator cutters should be honed only. To hone the solid carbide cutters (round, triangle, square or diamond), you must use a diamond hone. Warning: DO NOT attempt to grind the solid carbide cutters. The carbide dust is hazardous and may cause health problems.

Figure 24-46. Lay the flat side of the cutter on the surface of the hone and rub it across the hone.

Lay the flat side of the square or triangle cutter on the surface of the hone. Hold the edge of the cutter flat against the surface while working it up and down the hone (Figure 24-46). Count your honing strokes and hone each side of the multi-sided cutters an equal amount. This will assure equal stock removal from each side of the cutter.

Figure 24-47. To avoid honing a flat spot in the round cutter, roll it while honing.

To avoid honing a flat spot in the round cutter's profile, roll the cutter as it is honed (Figure 24-47).

To hone the cone (steel) cutter, start with a medium hone (of any type). Hone the cutter progressing from medium to ultra-fine. Use the edge of a curved slip stone to remove the burr on the inside of the cutter and produce a razor sharp edge (Figure 24-48). Each cutter can only be honed a few times before its size and profile are reduced so that it will not match the follower. When this happens, the cutter may be discarded or the follower can be sanded (by hand) with fine sandpaper to match the cutter.

Figure 24-48. Use the edge of a curved slip stone to hone the inside edge of the cone cutter.

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