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vibration analysis

New CoCo Software

CoCo Application: Acoustic Testing (PDF)
Our partner Wyle Labs uses the CoCo Signal Analyzer for acoustic noise and acoustic emission tests. Acoustic Noise tests use high-intensity acoustic energy to stimulate a test specimen. Microphones connected to a CoCO-80 are used to monitor the acoustic spectrum and intensity.

Integrating Vibration and Temperature Measurements in Condition Monitoring

Jack D. Peters, Sudipta S. Das, Joseph L. Sklepik III

Many industries have adopted permanent vibration monitoring as a predictive diagnostic tool and significantly improved the reliability of their machines, including motors, pumps, fans, gearboxes, conveyors and multiple pieces of equipment too numerous to mention. Identifying or predicting a failure before it happens provides opportunities for lower costs, planned repairs and minimal loss of production or output.

Asset Condition Management

The Absolute Basics of Orbit Plots and Centerline Plots

An hour long presentation by Jason Tranter, Managing Director, Mobius Institute

Have you ever wondered where orbit plots and centerline plots come from? Have you wondered what they mean and how they provide diagnostic information about the bearing and rotor? In this highly visual presentation we will provide an introduction to the proximity probe measurements and then use a software simulator to demonstrate exactly where the orbit and centerline plot comes from. If you have any involvement with sleeve bearing machines (e.g. steam and gas turbines), then this Webinar should be a real eye-opener.

New Mexican Reseller for Meggitt’s Wilcoxon Research Product Line

Germantown, MD—Meggitt, a leading supplier of quality vibration sensors and sensor networks, has added sales channels to Latin America with the addition of a new partner, Grupo Industrial Rubalcava, S.A. de C.V. Also known as GIRSA, the authorized Wilcoxon reseller will provide vibration monitoring products to industries in Mexico.

Meggitt Sensing Systems Announces New Endevco “All in One” Portable Accelerometer Shaker

San Juan Capistrano, California, USA - Meggitt Sensing Systems, a Meggitt group division, has introduced the Endevco® model 28959F/28959FV, a portable accelerometer shaker and calibration system with integral signal conditioning, designed to provide both excitation and high-precision NIST-traceable calibrations of charge mode piezoelectric, voltage mode piezoelectric (ISOTRON®), piezoresistive, and variable capacitance accelerometers within a convenient “all-in-one” unit, facilitating compliance with ISO 17025 and A2LA requirements.

Mobius Institute Provides Machine Vibration Diagnostic Resource to Apple iPhone

Vibration Analysts and Maintenance Managers Benefit from the Mobius iVibe^TM Application with its Comprehensive Database of Machine Fault Profiles and Intuitive User Interface Allowing Impending Machine Problems to be Easily Identified.

Temporary Mounting of Proximity Probes

By Ken Singleton and Barry Cease

Measuring the shaft vibration of machines with fluid film bearings is a well documented best practice in industry. But, what to do when there are no permanently installed proximity probes in the machine exhibiting symptoms of a problem? For many years, practitioners have used dial indicator magnetic bases or brackets bolted to bearing housings to temporarily support proximity probes. Wooden sticks with a V notch were also used to measure shaft vibration. Now, a unique magnetic mounting device has been developed to address this problem of temporary proximity probe mounting.

Kistler Introduces Miniature PiezoBeam® TEDS Accelerometers for Multi-Channel Modal Testing

Novi, Michigan, USA - Kistler North America (www.kistler.com), a worldwide supplier of precision sensors, systems and instrumentation for the dynamic measurement of pressure, force, torque and acceleration, has introduced a new family of single axis and triaxial lightweight, miniature PiezoBeam® IEPE accelerometers with optional TEDS, designed for the multi-channel modal and structural analysis of small or thin-walled structures, components and subsystems, as well as full vehicle testing within automotive, aerospace, commercial aviation and general laboratory testing environments.

New Certified 786-500-D2 High Output Accelerometer for High Speed/Low Frequency Vibration Monitoring

Germantown, MD—Meggitt, a leading supplier of quality vibration sensors and hardware, introduces a new high output accelerometer for machinery health monitoring. The 786-500-D2 accelerometer carries CSA approvals for Class I Div 2/Zone 2 areas and has a high 500 mV/g output sensitivity and a broadband frequency response for multi-use applications.

Asset Condition Management

Back to Basics ... Time Waveform in PdM

An hour long presentation by Dennis H. Shreve, Senior Staff Engineer, GE Bently Commtest

As frequency data are derived from a transducer providing a raw time waveform electrical signal of the vibration measurement, whether it be a displacement probe, velocity pickup, or an accelerometer, it is worth going back to basics for a moment to see how this raw data can be a big help in analyzing and pinpointing some fundamental vibration issues. This presentation is intended to show the value of retaining a sample of the collected time waveform and to describe how the raw data should be properly collected and analyzed. This additional information will help one to arrive at a solid PdM strategy for pinpointing and confirming complex vibration problems with a high degree of confidence.

Meggitt Sensing Systems Now Offering Lifetime Warranty on Wide Range of Wilcoxon Research Products

Germantown, MD—Meggitt, a leading supplier of quality vibration sensors and sensor networks, has announced the offering of LifeTime Warranty (LTW) on Wilcoxon Research sensors and accessories. By launching one of the best warranties in the industry, Meggitt is providing a statement of trust and reliability to strengthen its customer relationships.

New CMPT CTU System From SKF Measures Vibration and Temperatures for Machinery Fault Detection

SKF’s CMPT Copperhead Transmitter Unit (CTU) is a new 24/7 digital vibration and temperature measurement and transmission tool that can work with machinery fault detection systems for fans, pumps, gearboxes, and electric motors.

Datastick Systems: New VMM Vibration Multifunction Meter with PC Software for Trending and Reports

SAN JOSE, CA, - Datastick Systems, Inc. today announced the affordable VMM Vibration Multifunction Meter with Datastick InSpect software that enables users to start monitoring vibration for machine health, and upgrade later - in the field - to a full-featured VSA Vibration Spectrum Analyzer by adding software. Models are available in two form factors - regular and rugged - using two different handheld computers, said Penny Melrose, Datastick CEO.

Datastick Announces New Rugged Handheld VSA Vibration Analyzers and v. 2.0 Spectrum Software

SAN JOSE, CA,- Datastick Systems, Inc. today announced four new rugged VSA-3300 models in its line of affordable, handheld VSA Vibration Spectrum Analyzers, which are used to detect and diagnose problems in rotating and reciprocating machinery before unpredicted breakdowns occur, thus saving money and downtime. New version 2.0 of Datastick Spectrum software for the handheld computer was also announced.

VibrAlign Shares Free Laser Shaft Alignment Expertise in New Blog

VibrAlign, Inc. announces http://www.TheAlignmentBlog.com, a source of free expertise for maintenance professionals responsible for precision shaft alignment of rotating equipment. The new blog is written by VibrAlign’s trainers and engineers who have decades of alignment experience.

Meggitt Releases Wilcoxon Research Triaxial Vibration Accelerometer with Removable Cable

Germantown, MD—Meggitt, a leading supplier of quality vibration sensors and hardware, introduces a new triaxial vibration sensor with removable cable. The 993B-7-M12 boasts improved in-band signal fidelity and a 50% increase in dynamic range.

IMI Sensors Receives GOST-R Certification For Accelerometers

Predictive Maintenance Line Qualified for Hazardous Use
Depew, NY - IMI Sensors, the industrial monitoring division of PCB Piezotronics, announced today that GOST-R certification has been obtained for its predictive maintenance line of ICP® accelerometers as well as 4-20 mA vibration transmitters and vibration switches. GOST-R certification is required of instrumentation that will be used in Russia in potentially hazardous or explosive areas.

Vibration Analysts Save the Planet

by Jason Tranter

If you look under the shirt of the average vibration analyst, you might just see a blue, skin-tight bodysuit with a large red "S." You already know that vibration analysts are heroic in their responsibility of avoiding catastrophic machine failures and the downtime and safety risks that follow. But did you know that vibration analysts are saving the planet, too?

Asset Condition Management

Bearing frequencies: What you should know and why you should not rely on them

An hour long presentation by Jason Tranter, Managing Director, Mobius Institute

Detecting rolling element bearing faults is key to success in vibration analysis, and most analysts utilize a database of bearings to know where to look in the spectrum. But did you know that those frequencies may be incorrect? The peaks don't always appear where you expect. In this Webinar we will review the four key frequencies, learn why the peaks will not appear at the calculated frequencies, and learn why the information from your database may be incorrect. We will also explain how to detect bearing faults without these bearing frequencies.