Application Areas
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Explore the fundamentals of why Machine Monitoring is important for increasing the life of your machinery and efficiency of your plant.
Featured Resource: Machine Condition Monitoring Resources
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Machine condition monitoring is important because it provides information about the health of a machine. This information can be used to detect warning signs early and can help your organization stop unscheduled outages, optimize machine performance, and reduce repair time and maintenance costs. The following diagram shows a typical machine failure example and the warning signs.
As shown in the above diagram, vibrations are the first warning sign that a machine is prone to failure. This warning signs can provide 3 months of lead time before the actual failure date. Monitoring this data with vibration analysis hardware and software allows users to predict this failure early and schedule proper maintenance.
There are four different types of Machine Monitoring:
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Industrial Machinery Test
Industrial Machinery Test is the process of using vibration monitoring equipment to aid in the design and testing phase of equipment.
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Portable Machine Diagnostics
Portable Machine Diagnostics is the process of using portable equipment to monitor the health of machinery. Sensors are typically permanently attached to a machine and portable data acquisition equipment is used to read the data.
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On-line Machine Monitoring
On-line Machine Monitoring is the process of monitoring equipment as it runs. Data is acquired by an embedded device and transmitted to a main server for data analysis and maintenance scheduling.
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On-line Machine Protection
On-line Machine Protection is the process of actively monitoring equipment as it runs. Data is acquired and analyzed by an embedded device. Limit settings can then be used to control turning on and off machinery.
To read Machine Condition Monitoring technical papers, please visit SpectraQuest Tech Notes.
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Sensors
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Learn about the different sensors used in Machine Monitoring.
Featured Resource: Sensor Fundamentals
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Machine condition monitoring is mostly dominated by three different types of sensors: accelerometers, tachometers, and proximity probes. Accelerometers are used to monitor the vibrations of a machine. Tachometers are used to determine the rotational speed of a shaft to provide phase information for the vibration data. Proximity Probes are used to monitor the movement of a shaft.
Accelerometers
A transducer for measuring the dynamic acceleration of a physical device. Accelerometers are important to machine monitoring by allowing users to monitor the vibrations of a system. These vibrations can be used to predict life cycles of parts and to detect faults in machinery. Piezoelectric accelerometers are the most common.
Proximity Probes
A transducer for measuring the displacement of a physical device. Proximity probes are important to machine monitoring because they allow users to monitor the movement of a rotating shaft. Proximity probes are usually found in 90 degree offset pairs to map an XY Plot of the shaft movement. This allows users to then detect imperfections such as mis-alignment of the shaft, faulty bearings, or other external factors preventing perfect rotation.
Tachometers
A transducer for measuring the rotational speed of a physical device. Tachometers are improtant to machine monitoring because they provide rotational speed as well as phase information. This allows users to match frequency components to shaft speed and position.
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Machine Condition Monitoring Software
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Discover how Orbit Plots, Waterfall Plots, and Order Analysis can help you effectively monitor your machine
Featured Resource: Sound and Vibration Measurement Suite
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The Sound and Vibration Measurement Suite contains general-purpose LabVIEW measurement analysis and determinism functions with analysis and displays for applications involving vibration analysis and rotating machinery. With this software, you can calculate overall vibration level (RMS, peak, crest factor); integrate from acceleration to velocity or displacement; operate online order analysis such as order tracking, order extraction, and order spectra computation; process digital and analog tachometer signals; apply limit testing on time data or power spectra; and draw spectral maps, color maps, waterfall plots, cascade plots, bode plots, polar plots, orbit plots, timebase plots, shaft centerline plots, and Campbell (intensity) plots.
Application Notes
Webcasts
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Machine Condition Monitoring Hardware
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Understand the different platforms and hardware I/O available for Machine Monitoring.
Featured Resource: Evaluating Platforms for Machine Condition Monitoring
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Webcasts
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Turnkey Solutions
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Learn about Ready-to-Run Machine Monitoring systems.
Featured Resource: National Instruments Alliance Partner Program
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Speed your time-to-market by purchasing a complete, pre-built system from a National Instruments partner.
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FAG Industrial Systems
FAG ProCheck is an intelligent online monitoring system of the latest generation that can measure, record and analyze data independently from other systems. Thanks to its very flexible configuration options, it can be used to monitor machines and components in nearly all industry sectors.
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VibDAQ
Vibration Diagnostic Systems in a variety of configurations from 4 to 56 channels. Standard machine vibration diagnostic tools including order tracking, plots, transients, and balancing applications are available.
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Cal-Bay Systems
REMS-100 Rotating Equipment Monitoring Systems. Built on National Instruments PXI hardware platform with LabVIEW RT and Order Analysis and tracking tools for the host engineering workstation.
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Dynalco
RTonline LabVIEW based system for reciprocating compressor monitoring.
If you have time constraints and limited internal resources, we have the answer for you! Our chosen machine conditioning partners have the consulting expertise and ability to provide the ideal solution for your application.
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For more information, please visit the National Instruments Alliance Partner Program.
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Case Studies
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Learn about custom Machine Monitoring systems.
Featured Resource:
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User solutions for customers with a successfully implemented National Instruments machine monitoring system:
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