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Precision Sharpening Devices, Inc.

Back grind material removal angle

KNIFE ANGLE

23° knife ground with a cone abrasive = 10° back grind
24° knife ground with a cone abrasive = 9° back grind
25° knife ground with a cone abrasive = 8° back grind
26° knife ground with a cone abrasive = 7° back grind
27° knife ground with a cone abrasive = 6° back grind
28° knife ground with a cone abrasive = 5° back grind
29° knife ground with a cone abrasive = 4° back grind or 13° with a drum abrasive
30° knife ground with a drum abrasive = 12° back grind
31° knife ground with a drum abrasive = 11° back grind
32° knife ground with a drum abrasive = 10° back grind
33° knife ground with a drum abrasive = 9° back grind
34° knife ground with a drum abrasive = 8° back grind
35° knife ground with a drum abrasive = 7° back grind
36° knife ground with a drum abrasive = 6° back grind
37° knife ground with a drum abrasive = 5° back grind
38° knife ground with a cone abrasive = 13° back grind or 4° with a drum abrasive
39° knife ground with a cone abrasive = 12° back grind
40° knife ground with a cone abrasive = 11° back grind
41° knife ground with a cone abrasive = 10° back grind
42° knife ground with a cone abrasive = 9° back grind
43° knife ground with a cone abrasive = 8° back grind
44° knife ground with a cone abrasive = 7° back grind
45° knife ground with a cone abrasive = 6° back grind


 
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