Tech Briefs Magazine - April 2022 - MD-13

tial filling volume into the pipe, we
could ensure that the pipe inlet was full
upon start-up or under minimal flow
conditions, " Kramer said.
The drop-in upgrade incorporated a
custom manifold circuit that replicates the
older two-way function with two pressure
ports in the exact same location as the
legacy pump. Two-way cartridge valves direct
the oil to the correct port; this design
preserved much of the existing hydraulics
piping and enabled easier installation.
To control flow through the pressure
ports, an HACD digital electronic control
was configured to take the existing analog
signals that previously controlled the legacy
pumps and use those outputs to control
both the A4VSO pump and the control
valves. This simplified the controls
challenge of installing a new generation
of hydraulics with the existing systems.
The result was a drop-in solution that
would modernize the press without the
significant downtime or cost associated
with a complete upgrade or replacement.
Measurable Results Beyond
Reducing Downtime
The hydraulic pump retrofit produced
measurable results almost immediately,
with significant increases in press speed.
" Prior to the upgrade, the press ran
around 2,000 pounds per hour, " Couture
said. " Now it runs around 2,400 pounds
per hour, about a 14 percent increase. "
The speed of the press increased so
much that when one particular die ran
at 2,800 pounds per hour, Superior's
oven could not keep up with the production
run. Superior found the new
retrofit operated so much more efficiently
that they could replace 200
horsepower motors with more energy-efficient
150-horsepower motors. The oil
temperature also decreased, helping reduce
environmental and cooling costs.
According to Superior's CEO, the retrofit
provided an easy-to-install, smart
solution to a persistent problem hampering
the company's productivity and
operational efficiency. By having a predesigned
Rexroth replacement for the
hydraulic pump, Superior was able to
extend the press's operational lifetime
with a cost-effective solution that quickly
delivered measurable return on their
investment.
This article was contributed by Bosch
Rexroth (Bethlehem, PA). For more information,
visit http://info.hotims.com/82320-282.
Motion Design, April 2022
Free Info at http://info.hotims.com/82320-706
13
The drop-in solution increased the output of Superior Extrusion's press from 2,000 to 2,400 pounds per hour
after only a weekend shutdown.
MD Fluid Power Application 0422_1.indd 13
Cov
ToC
3/14/22 2:43 PM

http://info.hotims.com/82320-706 http://info.hotims.com/82320-282 http://info.hotims.com/82320-844 http://info.hotims.com/82320-844

Tech Briefs Magazine - April 2022

Table of Contents for the Digital Edition of Tech Briefs Magazine - April 2022

Tech Briefs Magazine - April 2022 - Intro
Tech Briefs Magazine - April 2022 - Sponsor
Tech Briefs Magazine - April 2022 - Cov1
Tech Briefs Magazine - April 2022 - Cov2
Tech Briefs Magazine - April 2022 - 1
Tech Briefs Magazine - April 2022 - 2
Tech Briefs Magazine - April 2022 - 3
Tech Briefs Magazine - April 2022 - 4
Tech Briefs Magazine - April 2022 - 5
Tech Briefs Magazine - April 2022 - 6
Tech Briefs Magazine - April 2022 - 7
Tech Briefs Magazine - April 2022 - 8
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Tech Briefs Magazine - April 2022 - 11
Tech Briefs Magazine - April 2022 - 12
Tech Briefs Magazine - April 2022 - 12A
Tech Briefs Magazine - April 2022 - 12B
Tech Briefs Magazine - April 2022 - 12C
Tech Briefs Magazine - April 2022 - 12D
Tech Briefs Magazine - April 2022 - 13
Tech Briefs Magazine - April 2022 - 14
Tech Briefs Magazine - April 2022 - 15
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Tech Briefs Magazine - April 2022 - 24
Tech Briefs Magazine - April 2022 - 25
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Tech Briefs Magazine - April 2022 - 41
Tech Briefs Magazine - April 2022 - 42
Tech Briefs Magazine - April 2022 - 43
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Tech Briefs Magazine - April 2022 - 45
Tech Briefs Magazine - April 2022 - 46
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Tech Briefs Magazine - April 2022 - 55
Tech Briefs Magazine - April 2022 - 56
Tech Briefs Magazine - April 2022 - Cov3
Tech Briefs Magazine - April 2022 - Cov4
Tech Briefs Magazine - April 2022 - MD-Cov1
Tech Briefs Magazine - April 2022 - MD-Cov2
Tech Briefs Magazine - April 2022 - MD-1
Tech Briefs Magazine - April 2022 - MD-2
Tech Briefs Magazine - April 2022 - MD-3
Tech Briefs Magazine - April 2022 - MD-4
Tech Briefs Magazine - April 2022 - MD-5
Tech Briefs Magazine - April 2022 - MD-6
Tech Briefs Magazine - April 2022 - MD-6A
Tech Briefs Magazine - April 2022 - MD-6B
Tech Briefs Magazine - April 2022 - MD-6C
Tech Briefs Magazine - April 2022 - MD-6D
Tech Briefs Magazine - April 2022 - MD-7
Tech Briefs Magazine - April 2022 - MD-8
Tech Briefs Magazine - April 2022 - MD-9
Tech Briefs Magazine - April 2022 - MD-10
Tech Briefs Magazine - April 2022 - MD-11
Tech Briefs Magazine - April 2022 - MD-12
Tech Briefs Magazine - April 2022 - MD-13
Tech Briefs Magazine - April 2022 - MD-14
Tech Briefs Magazine - April 2022 - MD-15
Tech Briefs Magazine - April 2022 - MD-16
Tech Briefs Magazine - April 2022 - MD-17
Tech Briefs Magazine - April 2022 - MD-18
Tech Briefs Magazine - April 2022 - MD-19
Tech Briefs Magazine - April 2022 - MD-20
Tech Briefs Magazine - April 2022 - MD-Cov3
Tech Briefs Magazine - April 2022 - MD-Cov4
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