SUMITOMO`S LATEST T1000A AND T1500A INSERTS ENABLE

SUMITOMO’S LATEST T1000A AND T1500A INSERTS ENABLE COST-EFFECTIVE TURNING
USING ADVANTAGES OF CERMETS ON SMALLER BATCHWORK QUANTITIES
Sumitomo’sT1000AforhighspeedfinishingandT1500Aformoregeneralpurposemachining
Ideal to gain the advantage
normal and more expensive
materials, ferrous powdered
of
coated cermet insert.
metal, high carbon and alloy
using
the
latest
in
cermet
developments
steels.
inserts for precision turning
technology of longer tool life,
Meanwhile T1500A (P20)
excellent
incorporates a series of 3-D
wear
resistance
and superior consistency of
chipbreaker
size and surface finish when
enables a stable, quality
compared
finish to be obtained such as
with
tungsten
designs
that
carbide, has led Sumitomo
when
Electric
cycles are involved where
Hardmetal
to
introduce two new grades
T1000A
and
T1500A
of
uncoated cermet inserts. As
a result the highly flexible in
use,
create
sharp
edge
a
greater
inserts
cost-
effective source for smaller
batch
quality
turning
operations against the more
The
uncoated
Sumitomo
T1000A (P10) cermet grade
incorporates a dual structure
for excellent wear resistance
and toughness and is ideal
for applications such as fine
finish
continuous
profiling
and
high
speed
cutting of cast iron, soft
interrupted
cutting
they maintain a high order of
resistance to insert fracture
and cracking.
Recent cermet development
by Sumitomo has meant the
performance envelope of the
material
increased
has
with
dramatically
improved
toughness to bridge the gap
priced and therefore suiting
a hard phase of courser
between
smaller batch operations.
grains in the binder. Having
ceramics
and
tungsten carbide. Cermet is
both a core and outer layer,
more chemically inert and
T1000A
has a higher hot hardness
resistance to welding (built-
hance hardness and tough-
than tungsten carbide and is
up edge) even when cutting
ness for increased wear
made
softer materials as well as
resistance and suppression
material giving high wear
ferrous powder metal.
of cracking. Typical cutting
resistance while a metal
incorporates
binder is used to improve
‘Hard Phase’
toughness.
dual mix of strong but brittle
finish
from
a
ceramic
This means
turning
can
often
but
grinding.
matrix
cutting
a
a
high
It
composite
that uses a
ceramic particles in a soft,
eliminate polishing or even
Also,
has
highly
to
ductile
metal
enhance
its
speeds can be increased
toughness making it ideal for
without compromise to tool
cutting speeds between 100
life and due to the high
and 400 m/min.
stability of the material, it is
and
diameter
profiling
on
34CrMo4 steel gear shafts,
the T1500A DNMG insert
enabled
tool
life
to
be
extended from 800 parts per
cutting
edge
with
a
a feed rate of 0.15 mm/rev
and depth-of-cut of 0.25
mm.
grade, Sumitomo engineers
targeted its use on a wide
When finish turning a multi-
range of applications that
diameter 42Cr Mo4 shaft, a
are not based on more
dedicated
volume
where
Meanwhile, T1500A provi-
more
des a stable, ultra-high qua-
expensive grades having a
lity finishing operation giving
coating aid longer in-cut life.
precise dimensional ac-
However, the new uncoated
curacy in medium duty and
cermet
light interrupted cutting cyc-
supports
similar levels of performance
les. This insert optimises
but over shorter periods, but
the balance between ‘Hard
creates
Phase’ where fine TiCN
the
Recent trials involving multi-
with coolant at 140m/min at
In developing the T1000A
insert
300 m/min.
parts. The operation was run
tight
dimensional control.
production
speeds are between 50 and
competitor insert to 1,000
ideal for near net shape part
machining
these are combined to en-
economic
advantage from being lower
grains form a composite with
T1000A DNMG cermet insert increased the tool life
from four to 10 pieces per
corner. The machine was
run wet at 180 m/min with a
feed rate of 0.25 mm/rev
and depth-of-cut of 0.4 mm.
6May2016
Sumitomo’s uncoated T1000A cermet grade with sharp
edge is ideal for finish turning on smaller batch quantities.
T1500A cermet insert from Sumitomo is ideal for medium
duty and light interrupted cutting cycles with small batch
requirement.
i Headquarters
SumitomoElectricHardmetalLtd
SummerleysRoad,Princes
Risborough,BucksHP279PW
www.sumitomotool.com
Contact:
MrTrevorTolley,GeneralManager
EditorialContact:
[email protected]
Tel:01844342081