1050 – 04 – Hack Sawing and Circular Sawing

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Hack sawing is a process that can be done by hand or machine. It typically uses a blade that is fastened at either end. The saw cuts in a vacillating manner.. The cut occurs as the saw spins towards the material. On the back swing, it is pulled up and then back to its original position. In some cases, this mode of operation can lend itself to being less efficient than the other operations.

Circular sawing requires a circular blade, as its name might suggest. It is used to cut off various pieces of metal. This type of saw is typically used on steel. Sometimes this blade will have notches on the blade in order to allow the metal to expand due to heat.