Sandvik Coromant expand gear milling family
CoroMill® 176 now accommodates applications up to module 9
The successful CoroMill® 176 range of full profile hobs for spur gear and helical gear milling has now been extended by Sandvik Coromant to incorporate larger module 9 applications.
First introduced 18 months ago, CoroMill® 176 is an indexable insert hob that can reduce cutting time by an impressive 50 percent, largely through the application of cutting speeds up to four times higher than conventional high speed steel (HSS) cutters and a large number of effective inserts. The cutter offers a full-effective design compared to the half-effective designs on multi-segment hobs with tangentially mounted inserts. Furthermore, tool life is up to six times longer, which means machine downtime is also reduced in direct proportion. Another advantage is that HSS tools necessitate the purchase of several tools, which must be monitored closely due to the need for re-sharpening and re-coating.
CoroMill 176 was initially launched in modules 4-6, however, it soon expanded to incorporate modules 4-8, and now to module 9 (module is the pitch diameter divided by the number of teeth). Available for roughing, semi-finishing and finishing operations, this innovative assortment of tools offers a solution for both hobbing machines and multi-task machines/five-axis machining centers.
Hobs can be supplied with standard carbide inserts for generating gear profiles in accordance with DIN3972-2, although Custom Made options are also available for specific profiles with, for example, addendum modification, protuberance, tip chamfer and tip relief. Insert grade GC1030 with multi-layer coating is offered for high levels of wear resistance and edge line toughness in ISO P (steel) gear milling operations.
The hob is registered in accordance with DIN3968 class B, but generates a gear quality extremely close to what can be expected from a class A hob. Insert changing is quick and easy, and yet features modern wedge-clamping technology for positional repeatability and the groundbreaking iLock interface for high precision and stability.
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About Sandvik Coromant
Sandvik Coromant is a Global leading supplier of cutting tools, tooling solutions and know-how to the metalworking industry. With extensive investments in research and development we create unique innovations and set new productivity standards together with our customers. These include the world's major automotive, aerospace and energy industries. Sandvik Coromant has 8000 employees and is represented in 130 countries. We are part of the business area Sandvik Machining Solutions within the global industrial group Sandvik.
For more information visit the website at www.sandvik.coromant.com.
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