More than just hygienically safe Pneumatic drives DSBF, CRDSNU and DGRF with genuine added value

Three hygienically safe pneumatic drives have just been launched that offer more than just suitability for use with foods and corrosion resistance. The standard cylinder DSBF and the round cylinder CRDSNU are equipped with self-adjusting cushioning PPS, while the guided drive DGRF is designed to handle work pieces under harsh environmental conditions.

HAUPPAUGE, NY, September 26, 2011 - Self-adjusting

cushioning PPS from Festo means an end to time consuming
adjustments when setting the correct cushioning with hygienic
pneumatic cylinders. The cushioning system, available as an option
with the Clean Design cylinder DSBF and the stainless-steel round
cylinder CRDSNU, makes commissioning easier and also saves time.
The system also makes it possible to achieve dynamic yet gentle
cushioning at the end positions of a cylinder without manual
intervention.

Saving time
Previously, users had to adjust the pneumatic end-position
cushioning integrated into the cylinder manually, which had a negative
impact on cycle times and noise levels. What is more, manual adjustment
of cushioning took time, making the commissioning of installations a
lengthy process, particularly those which included a large number of
drives that required cushioning.

Festo's self-adjusting cushioning PPS now ensures that the
cushioning is always set correctly without needing any manual work on
the part of the user, even if parameters such as friction and pressure
change. It also reduces the acceleration forces acting on machine
components and work pieces. This in turn reduces wear and
minimizes time-consuming vibration. Furthermore, self-adjusting
cushioning is less expensive and more robust than shock absorbers.
Thanks to PPS, there is no need for an adjusting screw. This makes
the cylinder easier to clean.

The right seal every time
The sealing materials and lubricating grease used have FDA
approval for use with food. The modular sealing system means the
right seal for every application: FDA-compliant standard seals for a
long service life, FDA-compliant seals for grease-free operation, and
variants for high temperatures up to 248°F (120°C) and low temperatures
down to -40°F (-40°C).

Rigid and precise
The guided drive DGRF with its compact design combines
precision with torsional rigidity. Thanks to its smooth surfaces, large
radii, and unique ease of cleaning, dirt deposits and corrosion are a
thing of the past with this cylinder. Its precision guide will make it a
popular choice for many applications in the food, beverage, and
packaging industries, wherever high force and accuracy are required.
There is also an optional variant for grease-free operation in
applications subject to intensive cleaning.

Easy-to-clean accessories
Suitable proximity sensors are available that are resistant to
cleaning agents, heat, and mold. The cylinder sensor SMT-C1, for
example, can be mounted directly on both the DGRF and DSBF, using
the sensor rail.
The tubing/fitting combination PLN/NPQP can be assembled
quickly and easily and ensures long-term trouble-free operation, even
in corrosive environments subject to intensive cleaning. The fitting NPQP
is thus a practical alternative to costly stainless-steel fittings.

For sales information call Festo at 800-993-3786 and visit
www.festo.com/us.

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