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A bandsaw (also written band saw) is a power saw with a long, sharp blade consisting of a continuous band of toothed metal stretched between two or more wheels to cut material. They are used principally in woodworking , metalworking , and lumbering , but may cut a variety of materials.
Resaw blades of up to 1 inch (26 mm) may be fitted to a standard band saw. Many small and medium-sized sawmills use 1- to 1 + 1 ⁄ 2-inch band saw blades. Timber mills use larger resaws to rip large planks into smaller sizes. A typical mill sized resaw blade is eight inches wide and made with 16 gauge steel.
The saw blade's teeth are tipped (via welding) with small pieces of sharp tungsten carbide block. This type of blade is also called TCT (Tungsten Carbide-Tipped) saw blade. Carbide-tipped saw blades are widely used to cut wood, plywood, laminated board, plastic, glass, aluminum and some other metals. Solid-carbide saw blades
More recently, with the invention of the Wood-Mizer in 1982, [3] portable bandsaw mills represented a dramatic shift in design. Unlike traditional mills, they used a thin-kerf blade of the type used on a band saw rather than a circular blade, which reduced weight and cost, and reduced the size and weight of the bearings and support blocks. The ...
Bandsaws in timber mills range in size from about (4" x 22ga x 10') to (16" x 11ga x 62') and can use any of the three main different saw band types: Single-cut saws have, as the name implies, teeth on one side, allowing for cutting in one direction only. Double-cut saws have teeth on both sides.
A diamond gang saw blade is a long steel plate with diamond segments welded onto it. Normally, tens or hundreds of diamond gang saw blades are used together to saw raw stone blocks. A diamond band saw blade is a flexible closed steel band with diamonds fixed (often by electroplating) on one edge of the band.