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Baidu Baike provides an introduction to band saws.
2020-02-10
The saw wheels consist of a strip-type upper saw wheel and a plate-type lower saw wheel; the lower saw wheel is the driving wheel, and the upper saw wheel is the driven wheel, with the weight of the upper saw wheel being 2.5 to 5 times lighter than that of the lower saw wheel.Band saw bladeofCutting speedis usually 30 to 60 m/s. The lifting device of the upper saw wheel is used for loading, unloading, and adjusting the tension of the band saw blade; the tilting device of the upper saw wheel is used to prevent the band saw blade from falling off the saw wheel during cutting.CuttingThe band saw blade tensioning device can give the upper saw wheel elasticity, ensuring the stability of the band saw blade tension during operation; the old type uses springs or lever weights, while the new type uses pneumatic or hydraulic tensioning devices. The guiding device, commonly known as the saw guide, is used to prevent the band saw blade from twisting or swinging during cutting.Band saw bladeThe lower saw guide is fixed at the lower end of the bed, while the upper saw guide can be adjusted up and down along a vertical slide rail; the saw guide structure can be roller-type or slider-type, with the slider type made of hardwood or wear-resistant plastic. Band saws are widely used in the wood industry, with various models classified by their processing purposes into:
Large band saws, re-saw band saws, and finewoodworking band saws. According to the arrangement of the saw wheels, they can be divided into vertical, horizontal, and inclined types, with vertical types further divided into right and left types; according to the installation method, they can be fixed or mobile; and according to the number of combined tables, they can be ordinary band saws or multi-unit band saws.
General woodworking band saws andwoodworking cartsare used in conjunction.
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