TPT September 2011

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S eptember 2011 77 ›
Technology Update
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Lessmann GmbH · 86732 Oettingen/Germany · Tel. +49 9082 / 707-0 · Fax + 8 · www. l es smann . com
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THE new Xtra.tec F4338 porcupine cutter
from tooling giant Walter offers maximum
process reliability in high-volume, heavy-
duty machining applications thanks to an
additional axial fixed stop that holds the
first row of inserts.
Available in diameters from 63mm to
125mm, the F4338 features large insert
seats for type AD.T 1807 indexable
inserts, which can be sintered on
their full circumference or
circumference ground.
With helically-arranged
cutting edges, plunge
depths up to 95mm can be
achieved – and the cutter can
be applied to all steels and
cast irons (with Tiger.tec
Silver inserts) as well as
hard-to-machine materials
(with PVD-Alox coated
inserts). One-piece tool bodies
with HSK or SK fittings are available,
and the tool can also be supplied as a
Heavy-duty milling
An additional axial fixed stop
holding the first row of inserts
allows the Walter Xtra.tec
F4338 porcupine cutter to offer
maximum process reliability
shell end milling cutter and as a modular
tool unit with NCT adaptor.
Walter GB Limited – UK
Fax: +44 1527 839499
Website: