Finishing - September-October 2023

54 POLISHING
the electrolyte. It also helps minimize the costs
for labor and waste disposal. Finally, because
of the efficient resource utilization the CO2
footprint is reduced..
A precise and gentle finishing
process that maintains the
geometrical integrity of the
work pieces
During the dry electropolishing process the
work pieces, mounted to a fixture, are slowly
moving through the dry electrolyte. This
ensures complete coverage of the entire
surface. If required, internal surface areas can
also be finished by using special electrodes.
The DryLyte method removes primarily the
roughness peaks from the surface. Therefore,
the metal removal rate is minimal, and the
overall process is very gentle. The finished
work pieces have a highly homogeneous
surface with no pressure points or an orange
peel effect. Even in the case of delicate work
pieces with complex shapes no damage in the
form of scratches or breakage occurs.
The targeted and “controlled” processing
ensures that in case of precision components
like machining tools or tools for the
pharmaceutical industry their geometrical
integrity is not affected, and their edges are
not radiused. In addition, the highly effective
smoothing effect on the surface prevents
micro cracks and pitting. This improves the
corrosion resistance and “fatigue”
characteristics and, thus, extends the usable
life of the components. Compared to
components treated with traditional
electropolishing, dry- electropolished
components corrode 4 to 15 times slower as
proven in corrosion tests in a saltwater solution
containing 30 grams/liter NaCL. In the case of
gear components used in mechanical systems,
dry electropolishing increases the material load
ratio, reduces friction and guarantees the
optimal distribution of lubricants on the work
piece surface. The improved surface conditions
result in a lower wear rate and, at the same
time, reduce the noise level.
Another significant benefit of the DryLyte
technology are the relatively short cycle times.
Depending on the finishing application, initial
surface roughness and required results, they
can vary between a few minutes and 1.5
hours. The process creates not only a
smoother surface but, if needed it can also
produce a high gloss polish in one single
process. For post processing of 3D printed
components with their typically very high
surface roughness, the electropolishing
operation is preceded by a mass finishing
process utilizing abrasive grinding media.
Easy adaptation to many
finishing applications
The unique, patented dry electropolishing
technology was initially developed for finishing
prototype castings and dental crowns made
from cobalt chrome and titanium. In the
meantime the dry electropolishing method
from GPA Innova is used for finishing stainless
steel, steel, hard metals as well as nickel,
aluminum and copper alloys along with other
conductive metals. Today the process is used
whenever high finishing qualities are required
in industries such as aerospace,
pharmaceutical, machine building as well as
luxury and consumer goods. Because of the
proven biocompatibility of the finished
components dry electropolishing is also used
in medial engineering for the production of
implants and instruments.
Process development and definition of the
process parameters for the respective finishing
application takes place in the customer
experience center at Rösler. For this purpose,
the CEC is equipped with different machine
types allowing fully automatic operation. This
approach guarantees that the finishing
processes for the customer components are
always based on precisely defined and
validated parameters.
Gas Process Burners
Lanemark gas burner systems offer users reliable, high efficiency,
process heating solutions.
FD-C high turndown oven/
dryer air heating burners.
Midco HMA high efficiency,
high turndown, air replacement
or “make-up” air heating burners.
FD-GA modulating gas + air
process air heating burners.
FD-E low cost high turndown
oven/dryer air heating burners.
TX high efficiency small diameter
immersion tube tank heating
systems.
FD Series Packaged Oven/Dryer Burners
• Specifi cally designed for process air heating applications in convection
ovens and dryers
• High turndown/short flame lengths providing accurate process
temperature control
• High effi ciency gas + air modulation, gas only modulation and simple
high/low control options
• Heat Input Range: 9 kW – 1550 kW
TX Series Gas Fired Process Tank Heating Systems
• High effi ciency (80%+) heating of all types of spray and dip process tanks
• Compact high effi ciency small diameter immersion tube heat exchangers
occupying minimum tank space
• Accurate performance modelling using Lanemark TxCalc design software
• Heat Input Range: 15 kW (1½") – 1150 kW (8")
Midco HMA Series Air Replacement or “Make-Up” Air Heating Burners
• Direct fired, high effi ciency burner systems, for high volume air heating
applications such as paint spray booths, ovens and dryers.
• Supplied either as Midco burner heads for OEM system integration or
as Lanemark DB or FDB complete packaged systems including modulating
gas valve trains and controls
• Wide range of firing rates to suit alternative temperature rise and air
velocity system requirements
• DbCalc system design software
Lanemark Combustion Engineering Limited
Lanemark House, Whitacre Road, Nuneaton, Warwickshire CV11 6BW United Kingdom
Tel: +44 (0) 24 7635 2000 Fax: +44 (0) 24 7634 1166 E-mail: info@lanemark.com
www.lanemark.com
COMBUSTION ENGINEERING
Finishing - September/October 2023
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