The most popular modular connection’s benefit is improving spindle drawbacks such as run out and alignment but from my point of view, the other important point which we would consider is longer tool life. If you are working with a professional supplier, a modular connection allows a supplier to grind the reamer diameter at the [...]
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It's a PCD head drill, the only solution for grinding a PCD tool in such a small diameter is something like EDG or electro discharge grinding - less mechanical forces - more control on final dimensions - better surface quality - bigger MRR - less heat
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