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Automotive Industry

One insert: Gray & Ductile iron - WIP - Allegheny Technologies Co product introduction - Brief Article - Product Announcement

Automotive Design & Production, Sept, 2001

One of the things that is good to have in operations is a minimization of the number of tools that are necessary to perform production. But in the age of specialization, it seems that an increasing number of products are good for one thing only.

Which brings us to a new cutting tool insert that is said to be able to machine both gray and ductile iron--and to machine these materials in a way that is said to be significantly better than competitive tools: the claim that is made for the SC1519 insert with 4U geometry from Stellram, an Allegheny Technologies Co. (LaVergne, TN). which can be used for roughing, semi-finishing, and finishing cuts, can actually be used for twice as many parts per edge as competitive tools.

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We were told (but sworn to secrecy regarding the specific company in question) that in tests at one auto manufacturer on machining ductile iron camshafts, the competitive product was able to machine 250 parts per edge while the SC1519 could produce 743 parts per edge, which is a 197% increase. Apparently, given this disparity, the people at the auto company sent the shafts in question set to their metallurgical lab to determine whether the ductile iron had softened, thereby accounting for the boost in cutting performance. No. Both inserts cut the same material. The SCi 519 was simply able to cut a whole lot more of it.

The insert features a multiplayer coating that's applied to the new, hard substrate with chemical vapor deposition (CvD). TiN/TiCN/A1203/TiN. This combination is said to improve wear and to provide deformation resistance, which contributes to the long life of the inserts.

Automotive Industry

One insert: Gray & Ductile iron - WIP - Allegheny Technologies Co product introduction - Brief Article - Product Announcement

Automotive Design & Production, Sept, 2001

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