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OSG Tap & Die’s Exopro-WHR-Ni spiral flute and spiral point tap series is designed to excel in nickel-based alloy applications. The nickel-based heat resistant alloys are materials with poor machinability. Short tool life, sudden tool wear, breakage and chipping at the chamfer are common problems associated with the machining of these materials.
In order to accommodate industry demand, Exopro-WHR-Ni tap series features a new point flute design to improve cutting edge rigidity, which helps prevent chipping and enables it to excel even in blind holes, the company says. The spiral point tap, designed for blind hole applications, features a rake angle to protect against sudden tool wear. With the addition of OSG’s HR coating, tool life can be substantially prolonged versus the competition.
Editor PickCan Additive Manufacturing Increase Milling Feed Rates?
With PCD tooling, yes it can. The diamond cutting edges demand a large number flutes to realize their full effectiveness. Traditional methods for making cutter bodies limit the number of flutes, but 3D printing is delivering tools with higher flute density and other enhancements as well.