Power Saws
For many years the only way to saw off metal was to use a hand saw.The development of power driven machine for driving metal-cutting saw blades has made the task considerably easy. Power saws can do the work more rapidly and with greater accuracy. From the picture can you guess how these cutting machines are working?
Band Saw Machines In this machines a flexible saw blade driven in a continuous loop around two wheels-like a fan belt in a car - the band machine provide a continuous cutting action. Band machines could be used for different materials. Band machines are available in Horizontal models and vertical designs. Shaping slotting and cut-off operations can be performed on both types, in addition to these operations, band saw blade could be replaced with filing or abrasive band so the machine can also do filing, polishing operations. What are the advantages that you think, the band saw machine has over the other types of saw machines?
Disc Machines The cutting action of the disc machines depend or a circular disc cutter, rotating at high speed. It is used mainly for cutting parts off, in metal work and carpentry work.//azadhacksaw.com/images/hacksaw6.jpg
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Ref. Machine operations and setups - Lascoe nelson porter
