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www.mmcpublications.co.uk PRODUCT INFORMATION | 53

7000mm in size, plus special sizes for gripper with the four mounted work- demanding of industrial environments.
Foam ceramic customers’ individual needs.
pieces into the work bowl filled with “There are many industrial processes
Manual or automatic carousels can
spherical stainless steel media. The such as heat treatment that require
filters
be supplied for standalone applications, gripper vibration with 3000 RPM and precise temperatures in order to
such as very small moulds or core the movement of the steel media comply with regulations and it is
making, or integrated into semi-auto- induced by the vibratory drive of the imperative that the workpiece tem-
matic moulding plants. All plants can mass finishing machine produce an perature is kept within specific limits”

be made suitable for boxed or boxless intensive and homogeneous media he commented. “This can be difficult
moulds.
flow around the workpieces. Fur- to achieve in industrial plants where
Along with the carousel or fast loop thermore, during the finishing process, the operation of large machinery can
moulding system, Omega also offers the robot can take the workpieces cause fluctuations in the voltage supply.

automatic strickle, rollover draws, out of the work bowl to turn them at EFit overcomes these issues as the
flood coaters, drying ovens (infra-red a defined angle and dip them back into power controller contains built-in
or convection heating), auto mould the media mass. Depending on size compensation that continues to apply
closers and manipulators to suit most and shape of the respective work- ASK Chemicals offers a variety of filters with special stable power with better than ±2%
surfaces and seals, tailored to customer requirements.
sizes of moulds, including boxed and pieces, the complete operation, includ- linearity at the boundaries of the load,
boxless (or a combination of both). ing picking the parts up and placing The use of efficient filter systems to even during fluctuations in the supply.
www.ofml.net
them back on the conveyor belt, lasts remove contaminants and reduce tur- The result is a reliable, repeatable
between 180 and 300 seconds. bulence plays a defining role in the heating process and high quality end

Automatic www.rosler.com
quality of castings. Manufacturer of products compliant to demanding
foundry aids, ASK Chemicals provides heat treatment standards.”
vibratory Air-operated a comprehensive filter product range www.eurotherm.co.uk
for this purpose. The company supplies

finishing
hoists
efficient foam ceramic filters for steel Release agent
and iron foundries. These filters are
manufactured from a wide range of
ceramic materials such as pure zirconia,

aluminum oxide – also carbon-bonded
– silicon carbide and other special
materials. The UDICELL and EXACT-
FLO filter systems support quality

issues such as high metal purity as well
as economic objectives through a
reduction in additional work and a
low rejection rate.
The latest four trolley version of the J D Neuhaus EH
High-Frequency-Finishing (HFF) produces repeatable series hoist.
In particular, the fully sintered UDI-
deburring and polishing results in short cycle times.
CELL foamceramicfilters,produced
Rösler Oberflächentechnik GmbH has Hoist and crane specialist, J D Neuhaus from partially stabilised zirconium
devised an innovative, fully automatic has introduced further models to its oxide (PSZ) are the first choice for use

cleaning, deburring and polishing sys- EH range of air-operated monorail in steel and iron foundries. Thanks to
tem that allows the finishing of around hoists. Two versions, for each of the their chemical, thermal and mechanical
30 different workpieces without the 75 and 100 tonne lifting capacity prod- robustness, these filters have a high
parts ever touching each other during ucts in the EH range are now available load capacity and enhance efficiency Chem-Trend has introduced the

the process. For this challenging appli- in both double trolley as well as the during castings production.
water-based HERA die lubricant tech-
cation, the company not only devel- previously available four trolley traverse Tuned to customer-specific require- nology for high pressure aluminium
oped the material handling concept drive versions. All these models utilise ments, ASK Chemicals develops and and magnesium diecasting processes.,
but with the High-Frequency-Finishing a recently developed air motor unit, produces tailored filters with special HERA, an acronym for ‘high efficiency

(HFF) system, also devised an innov- providing a 9kW power output at a six surfaces and seals. This extends from release agent’, offers significant benefits
ative vibratory finishing method.
bar air pressure supply. This motor the smallest designs for investment compared to conventional products.
At the centre of this system is a incorporates proven technology for casting to solutions for cast parts in The proprietary ready-to-use die
robot equipped with a gripper that the lift/drive and integrated braking the multi-digit tonnage range. lubricant technology rapidly develops

vibrates at very high frequencies during operations, based on a stepped brake www.ask-chemicals.com
a highly effective release film on the
the HFF process. Different grippers piston and self-lubricating rotor unit.
die, while minimising plant effluent
are utilised to accommodate the var- These redesigned four trolley drive Power controller
for operational cost savings.
ious workpiece shapes and sizes. After version hoists are designated as EH 75 HERA provides increased produc-

the machining operation, the parts are and EH 100, offering 75 or 100 tonnes InvensysEurotherm recently launched tion efficiency through shorter cycle
placed on a conveyor belt in an lift capacities respectively. The latest the EFit SCR power controller, which times, enhanced part quality and
exactly defined position. Once they design features and advantages are lower scrap rates. Additional benefits
arrive at the finishing system, the incorporated throughout the range, is said to provide outstanding, stable are its high potential to save energy
and precise power control, meeting
robot picks up four parts at a time. In which include reductions in overall international quality, immunity and and reduce the consumption of com-
a first step – degreasing and cleaning size, as well as up to 50% energy sav- emissions standards. The EFit is an pressed air. Because HERA does not
– the robot dips the parts into a ings from reduced air consumption. significantly contribute to thermal
cleaning tank. This is followed by the Significant weight reductions for the easy-to-integrate and commission shock on the surface of a die, the
power controller, providing no com-
HFF vibratory finishing process includ- four trolley hoist units have also been promise on control for resistive and appearance of stress cracks is dra-
ing a rinsing and blow off phase. achieved, being 250kg for the EH 75 infrared heating elements.
matically reduced and tool life is
Finally, the robot places the aluminium and 600kg for the EH 100. The twin extended. In addition, notably reduced
components back on the conveyor trolley compact EH 75C and EH According to Nicolas Ebel, Power maintenance is required for the die
lubricant central systems and supply
belt for transport to the next manu- 100C models each offer a further Products Manager at Invensys
facturing operation.
weight reduction of 350kg over their Eurotherm, the device overcomes a pipes compared to conventional
During the HFF process, the robot four trolley counterpart. number of challenges and achieves release agents.
gently dips the high frequency vibratory
www.jdngroup.com
precise control even in the most
www.chemtrend.com

Cast Metal & Diecasting Times January/February 2014