Performance of a Thin Circular Headsaw Cutting Hardwoods

Past research indicated that a 9/10 gage, 1/4-inch-tooth saw used about 15 percent less power and yielded 8 percent more product than a 7/8 gage, 9/32-inch-tooth saw cutting hardwood bolts into pallet parts. But, the experimental sawing time was too short to determine whether the thinner saw would perform equally well under sustained production. In a longer term followup study, the 9/10 gage saw performed as well as the 7/8 gage saw in processing 6- to 13-inch-diameter hardwood bolts at production rates. The thinner saw also performed satisfactorily in sawing black cherry sawlogs up to 15 inches scaling diameter, except for logs that would spring or bend substantially during the sawing.

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