Woodworker's Journal 1994-18-3, страница 22

Black & Decker 944J

Delta 28-160

The from side of the frame has a hinged or removable one-piece cover made of stamped sheet steel or high-impact plastic, which enables you to access the guts of the saw to change blades, adjust the lower guide assembly, clean out sawdust. replace internal parts, and so on. On all of the benchtop saws that I tested, the frames are mounted to a heavy cast-iron base to provide stability and minimize vibration. The bases have four mounting holes for attaching the saw to the bench.

Wheels: Two or Three?

Four of the eight units I tested—the Black & Decker. Delta 28-160. Reliant, and Sears—are three-wheel saws; the other four are two-wheelers. Three-wheelers provide a deeper throat capacity in relation to the overall size and weight the saw. On the downside, they tend to have a shorter blade life because the third wheel places additional stress on the blade, resulting in greater metal fatigue. Another point to consider: because the frames on most three-wheel

Dremel 1120

saws have a slanted back ami or column, throat capacity (defined below) decreases in proportion to the thickness of the stock. For example. The Delta 28160 three-wheeler has a throat capacity of 11 '/4 in. when cutting '/4 in. plywood, 11 in. when cutting 1 -by slock (-V4 in. thick), and 10V2 in. when culling 2-by stock (11/2 in. thick). The Sears is an exception—it's the only three-wheeler with a vertical column.

Cutting Capacity

The distance between the blade and the back arm of the saw frame determines the widest cut you can make on the saw. This distance is referred to as the saw's throat capacity, which is the yardstick manufacturers use to "size" band saws in their literature. For example. on a 10 in. saw you can theoretically rip a 20 in. wide board down the

23 The Woodw orker's Journal

Delta 28-180

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