KenTIP FS is suitable for many challenging operations. Chain hole drilling in steel is one of them. While KenTIP FS has four coolant holes — two at the tip and two in the chip gullet directly behind the head — the HPG geometry comes without front coolant holes. When drilling in steel it's important to concentrate on coolant delivery to the rake and take the heat from the contact zone between chip and rake surface. The new HPG geometry is especially designed for steel, and comes in the hew, highly wear resistant grade KCP15A.
For more information please visit Kennametal at
https://www.kennametal.com/en/products/20478624/556249/3924457/kentipfs.html
Related Glossary Terms
- coolant
coolant
Fluid that reduces temperature buildup at the tool/workpiece interface during machining. Normally takes the form of a liquid such as soluble or chemical mixtures (semisynthetic, synthetic) but can be pressurized air or other gas. Because of water’s ability to absorb great quantities of heat, it is widely used as a coolant and vehicle for various cutting compounds, with the water-to-compound ratio varying with the machining task. See cutting fluid; semisynthetic cutting fluid; soluble-oil cutting fluid; synthetic cutting fluid.
- rake
rake
Angle of inclination between the face of the cutting tool and the workpiece. If the face of the tool lies in a plane through the axis of the workpiece, the tool is said to have a neutral, or zero, rake. If the inclination of the tool face makes the cutting edge more acute than when the rake angle is zero, the rake is positive. If the inclination of the tool face makes the cutting edge less acute or more blunt than when the rake angle is zero, the rake is negative.
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