Circular Sawing Experiments on a Radial Arm Saw

The effect of net cutting power on such variables as wood species, feed rate, depth of cut, and cutting direction was measured for a combination-type sawblade. The 16-inch sawblade used is considered to be excellent commercial quality, and was used as-received. All material was conditioned for several months in a constant temperature and humidity chamber. The species were hard maple, Douglas-fir, and sugar pine. All ripsawing operations were performed by the air-hydraulic crossfeed system. Power records were obtained on an oscilloscope. For flat-sawn hard maple, one formula accurately covered effects of depth of cut, direction of cut, and feed rate.

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