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The first fact to be determined is the blade used a large difference. In our sample, a total of 638 kinds of different blade to maintain the six sets of CNC lathe operation. The good news is each blade are each category winner. However, the use of 638 kinds of blades 10 pack packaging, inventory means 6,380 blades. All these are just to maintain six lathe operation.
By the fact that a relatively small number of cutting edges of each blade. In many plants, cars still are triangular or diamond blade. The possibility of cutting the number of the best combination of (mechanical blade) edge and cutting edge strength (diamond blade) convex triangular blade apparently offered in many workshops there is not enough awareness.
Old School
In the 1970s, the best advice is to use a large, strong blade. Carbide use of that era, although hard, but the toughness is not good enough. The strength of the blade by its size (large blade = High thick blade blade = strength) to be guaranteed. A blade whose cutting edge length requirement is greater than at least three times the depth of cut. Two things have changed at the same time. On the one hand, the average depth of cut has been significantly reduced for turning. A study carried out by Seco Tools showed that the average depth of cut today turning around 2.5 ~ 3mm. On the other hand, today's fourth generation of carbide (in TP2500, for example) has good toughness, and while its hardness (wear resistance) higher. This means that for the relationship between today's blade, the cutting edge between the length and depth of cut can change drastically. The latest generation (with MF5 example) blade geometry can obviously suited to this new situation.
Damage / unused cutting edge
When you wear the basis of their way to look at the use of the blade, the situation really become clear. The correct form of mechanical blade cutting edge flank wear is safe, predictable and controllable wear. Cutting edge should not be broken. Cutting edge breakage is because of incorrect use or improper selection of cutting edge. Before being thrown into the cutting edge of the box loaded wear, cutting edge must be "worn" in. "New" cutting edge yet to be discarded for the processing is always dramatic.