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Indexable Carbide Inserts
A great deal of material removal operations, both milling and turning, utilize indexable (replaceable) tungsten carbide cutting tool inserts. The sheer variety of styles and types can confuse even experienced machinists. While is not possible to describe the merits and deficiencies of all the various types, we will attempt to provide a brief overview of standard nomenclature with an emphasis on those inserts currently being used by the UAH CoE Machine Shop CNC Department. ISO (International Standards Organization)
As the name implies, inserts (and
toolholders) in this category have been standardized so that the inserts from
all manufacturers are essentially the same and are interchangeable.
The numbering system for this standard is as follows:
Proprietary
(Single source manufacturer)
Inserts
Many
of the inserts and toolholders we use have been developed by manufacturers to
meet specific needs and improve specific processes.
Since these developments are covered by patents, they are only available
through a single source. Most of
the proprietary inserts and toolholders we use are manufactured by Kennametal,
Iscar, and Circle. A partial
summary is listed below. ISCAR
APKT 1003PDR-HM 328
Helimill insert for use in
steels, corrosion resistant steels, exotics
APKR 1003PDR-HM 28 Helimill insert for use in
aluminum alloys, and machinable plastics KENNAMETAL
NT3R KC850
Topnotch insert for OD
threading
NG304 K55
Topnotch
insert for OD
grooving
A3 3.91400-010 CS5 A3 deep grooving insert CIRCLE Extremely small insert for small diameter boring
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All products and services described and / or mentioned herein are registered
trademarks, registered servicemarks, trademarks, or servicemarks of their respective companies.
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