LMT-Fette is pleased to announce the introduction of our
new solid carbide PL SERIES End
Mills for plastics. This line of tools is designed to cut
both hard and soft plastics leaving
superior surface finishes. The unique design allows for
high chip loads and therefore high
production rates, while leaving superior surface finishes.
The single edge PL SERIES End Mills are designed for
production roughing and finishing
of plastics. Target applications are sheet, stacked sheets,
slab cutting, slotting, and nested
parts. The series is best in smaller diameter machining
applications where good finish is
important on the work piece. Machining plastic is easy
when using the right tool with the
right geometry, applied with the right methods. As a
result of the PL SERIES geometry for
plastic, there is no melting, chipping, or burrs, keeping
And LMT-Fette’s super-fine grain grade substrate
provides unmatched, economical removal
rates on specific plastics (see materials).
PL SERIES End Mills are designed specifically for the
Hard Plastics: acrylic, nylon, PVC, polycarbonate and
Soft Plastics: HDPE, HIPS, UHMW, ABS, polycarbonate,
PE, polystyrene, polypropylene,
acetal, acrylic, PET and solid surface (Corian)
Softer plastics can be challenging materials to cut
cleanly with a smooth surface finish.
The PL SERIES will out-perform all multi-fluted tools
when cutting these softer plastics.
The primary advantage of the PL SERIES End Mills is their
ability to take higher chip loads
(faster feed rates) and deeper cuts with smaller diameters.
This means you get more work
done with smaller diameter tools in less time. Therefore,
if getting the job done faster
through less machining passes is important, the PL SERIES
is the solution.
A key feature of the PL SERIES is their extremely sharp
edge. The polished flutes and
clearance create a razor-sharp edge essential for cutting
plastics. The PL SERIES tools
start out sharper and last longer in the cut.
Another key feature is getting the heat out in the chip,
allowing the tool to run at cooler
temperatures. Plastics are very sensitive to heat. Having
only a single-flute, the PL SERIES
tools cut 180° per revolution generating less heat.
The geometry allows larger chips to
evacuate through the open flute. Most multi-fluted tools
can take large chips, but there is
no place for them to go.
Lastly, the PL SERIES exhibits low cutting forces during
the cut. The forces are half that
of a 2-flute tool and a third of a 3-flute tool. This
allows the tools to feed faster and deeper,
leading to shorter machining times.
The tools have a 20°+ helix and a wide open flute
design for chip flow, making them
excellent performers from low to extremely high (60,000+
RPM) spindle speed applications.