Do you know? sometimes inspect the abrasives wheels edge wearing shape can help you know well if the wheels do good job. Normally the shape can classify to below sharp:
A. ROUND Shape - If the wheels wearing down in this shape, that's means you using the correct cutting wheels.
B.SQUARE Shape - This shape also proved correct cutting wheels choosen and also comes from cutting works especially when cut small solids, structural shapes, pipe and tubing.
C.CONCAVE Shape - Normal when using the correct wheel to cut tubing and thin-wall sections.
D.POINTED Shape - The abrasives on two-sides wearing down so fast- this indicates the wheel is too hard and most abrasives fly away by crush with the work-piece surface.
E. CHISEL Shape - Wet cutting problem. Usually indicates wrong application of coolant. May cause breakage and crooked cuts.
F. SIDE-GLAZED Shape - Also indicates wheel is too hard or cutting too slow. Requires excessive pressure and higher power to cut.
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