What is the difference between a single-edged spiral milling cutter and a double-edged spiral milling cutter?

Single-edged milling cutters have low cutting efficiency because one blade is less at the same speedBut the surface finish is good, because a blade is definitely not pitted.Double-edged milling cutters have high cutting efficiency, but the machining surface may be slightly worse due to the difference in cutting angle and cutting height between the two … Read more