Load up on Twin Cutters to Stabilize Applications
Some customers utilize twin cutter boring heads only as semi-finish tools. They are certainly capable in this role, but 'semi-finish' should not imply that the same stock allowance be taken with these tools as with single-point finish boring tools. Keep in mind that the nose radius of the inserts being used must be completely covered in order to make the cutting action stable.
Another common issue is feed rate. While a single point tool is typically run around .002"-.004" IPR, twin boring tools can be run at 4 to 5 times this feed rate.
By Matt Tegelman
Applications Manager & Product Manager — Kaiser
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