New, Lighter Cutting Insert for Gear Milling

New, Lighter Cutting Insert for Gear Milling

Sandvik Coromant model now wider for lower-powered machines

Cutting tool developer Sandvik Coromant introduced a light cutting insert for its CoroMill 170 precision gear-milling cutter. The new -PL geometry flank insert reduces cutting forces, it reported, making it the best option for smaller gear milling machines and giving users the option to reduce power consumption, or run the machine faster and longer.

CoroMill 170 insert
The CoroMill 170 insert has a positive chip breaker that minimizes unwanted cutting forces and vibration.

Sandvik Coromant is a unit of the Sandvik industrial group that supplies cutting tools and tooling technologies to machine shops and OEMs, including automotive, aerospace, and energy industry manufacturers. Sandvik Coromant has 8,000 employees and is represented in 130 countries. We are part of the business area Sandvik Machining Solutions within the global industrial group Sandvik.

The CoroMill 170 insert is designed with a positive chip breaker that the developer reported would minimize unwanted cutting forces and vibration. It said this detail helps to produce less heat generation in the cutting zone and prolongs insert life. In tests, Sandvik Coromant found the new -PL geometry has a power requirement that is 20% lower when the maximum chip thickness is less than 0.004 inch.

Taking advantage of the proprietary grade GC1030 material, Sandvik Coromant said the technical details of its new insert design supports greater cutting stability, and in turn allows higher cutting speeds. Working in steel applications, typical operations include rough milling of internal and external gears and machining of large gear wheels in the 12-22-module range.

Sandvik Coromant recommended a lower feed rate than used for existing CoroMill 170 insert geometries, such as -PM (medium) and -PH (heavy)

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