Download: Narrow band saw video [MPEG1 36MB]
A clicking noise is indicative of a cracked blade. The flywheel cover should be locked but an interlock is not required. However, micro switches tend to be fitted on newer machines to stop them starting. To determine the minimum size of the blade required to cut a curve, draw a tangent to the curve and measure contact with the curve.
Safe use of narrow band saws - WIS 31
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