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Cost-effective Vibration Measurement for Slide and Roller
Bearings |
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VCS - Vibro
Control Solutions™ replaces nonexisting monitoring staff on-site.
All impressions this skilled operator heard and felt, VCS
provides as a processable 4...20mA signal. |
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VCS ist a universally applicable measuring
system for machine vibrations by kmo turbo. It consists of
a robust, easy-to-install accelerometer (M12-thread) and a
transducer in a DIN rail housing. VCS can be used for high-speed
units (e.g. turbines) as well as for low-speed units (e.g.
fans for cooling towers). Different evaluation modes of the
transducer (average or envelope) allow the use for both roller
and slide bearings. VCS offers the option of a self-test for
sensor and transducer. The range of applications is not limited
to new plants. VCS is predestined for the retrofit of existing
machines. |
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"Flight Recorder" for Industrial Machines |
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The perfect
add-on for machine diagnosis and vibration analysis |
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Causes of malfunction can be detected
extra reliably by comparative measurements. kmo turbo offers
a "flight recorder" for industrial use which next to conventional
machine protection monitors particular faults and damage causes
individually. By this, the safety degree of monitoring increases.
Simultaneously all relevant data of the actual machine condition
are available. Preventive countermeasures can be planned and
carried out in time. Besides vibration signals any expressive
indication concerning the machine condition as speed, efficiency,
temperatures and process values are continuously recorded
and stored. So after each trouble the reason and the progress
can be easily detected. Permanently calculated FFT- spectra
of up to 8 measuring points enable helpful information to
find out the cause of vibration troubles. With a visualising
software the process data can be shown in informative graphics.
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Detect "water in oil" and leakages without delay! |
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The qualified
operator used to control his machine regularly. Checking the
oil system hourly he was able to detect even the smallest
leckage and fixed it immediately. In times of drastic staff
reduction due to automation, the disappearance of the human
operator has adversely affected the quality of monitoring.
In order to compensate for this, appropriate sensors and automatic
monitoring must be provided. |
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In terms of controlling a lube oil
system SLM - Smart Level Monitoring® by kmo turbo can meet
this task. The basic principle of this automatic and stand-alone
control is the monitoring of comparative dynamic limits (=
limits which are adapted to the normal change of level according
to the current operating condition of the machine and its
oil system). The advantage is that troubles are detected without
delay and not only after exceeding permanently fixed limits.
Many times a trouble can only be connected with the cause
usefully and instructively if it is signalled immediately.
Each customary level transmitter can be connected to SLM. |
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Retrofit of Hydraulic Actuators to 4...20mA Control |
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In the cause
of upgrading measures (e.g. the implementing of a process
control system) it is necessary to control hydraulic actuators
via a mA signal. kmo turbo solves this task with an approved
concept based on standard components. |
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At conventional constructions the
control oil pressure is between 5 and 15 bar. For exact positioning
a pilot actuation with a mechanical position feedback is required.
Additionaly a diaphragm pressure transducer is needed for
the conversion from pneumatic to hydraulic and an I/P-converter
for the conversion from electric to pneumatic. All those components
are maintenance and fault sensitive. It is getting more and
more difficult to get skilled personnel for maintenance even
from the manufacturer. The concept by kmo turbo gets rid of
the said components and allows direct electronic control after
short retrofitting and commissioning time. |
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Anti-Surge Control and Surge Protector |
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Persistent
surging of a turbo compressor will lead to massive damages.
The breakdown of flow can have disastrous effects on the following
process. Therefore compressors should be equipped with two
independent systems, an anti-surge control and surge protection.
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The anti-surge control holds up stable
operation. While approaching the surge line, the flow of the
compressor is kept at the lowest possible value by opening
a by-pass valve. If the controller failes due to external
circumstances the compressor surges. Only in this case the
surge protection is activated. It is supposed to prevent persistent
surging by a suitable control intervention. The Anti-Surge
Control and Surge Protector by kmo turbo stand out from conventional
control concepts by numerous practical functions. In particular
they are predestined for the retrofit of existing machines. |
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Wear Indicator for Wet Seals |
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Frequently there is a direct connection
between seal damage and a change of operating parameters.
By monitoring the gradient a failure is signalled immediately.
This allows to draw direct conclusions regarding the cause
of the trouble. |
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The leakage fluid under pressure is
usually seperated by condensate drains and led into a collecting
tank. Condensate drains are fault-sensitive. Malfunction can
lead to damming of the liquid. Thus dirt from the tank pollutes
the seal and accelerates the wearing process considerably.
A faulty drain can also lead to dangerous gas blow-off. kmo
turbo has developed a control unit for optimized draining
with intelligent monitoring functions. For the first time
malfunction and its negative side effects can be detected
right in time. |
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