Ceramic Cutting Tips

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Ceramic cutting tips.

Oxide ceramics are aluminium oxide based al2o3 with added zirconia zro2 for crack inhibition. For some shops the flexibility of inserted carbide cutting tools might be too much of a good thing. But the tool tip generally carries much of the stress. Create a pencil line where you want to make the cut then use the grinder to lightly score the line.

Ceramic insert cutters like the one in this application run 8 to 10 times faster than carbide. All ceramic cutting tools have excellent wear resistance at high cutting speeds. This chart shows the relative strengths of various insert shapes. Cutting with reinforced ceramic inserts put a strain on the tool holder and machine.

As an alternative use a grinder with a diamond tile cutter wheel to cut the tile. Then pass back and forth over the score mark until the tile is cut. It starts with round on the outside edge being strongest and moves to 35 which is the weakest. Carbide is safe and easy to use says steven howard engineering and marketing manager for ntk cutting tools.