As the resurgence of manufacturing and processing in America continues, the requirements on all of us to do more with less will only grow more important in order to reach the needed profitability goals. Combine this downward pressure with the diversity of today’s plants and their mechanical components, and the overwhelming gap of skilled workers…
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Determining the RPM (revolutions per minute) of your machine is an important part of conscientious condition monitoring. Significant loss of time and productivity can occur if your machinery is not operating at the correct RPM. That’s why it is imperative to be able to quickly and accurately determine the RPM. In this post we…
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At the wrap up of a recent Hawk/SMC class the discussion was around what rotating assets to collect vibration data on going forward. The conversation quickly turned to a few keys assets that had the ability to impact large percentages of the downstream processes. The area technicians said that even though the machine was very…
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When using the Smart Machine Checker (SMC) or any of Acoem’s Condition Monitoring Tools, there are typically only two variables you need to know for an accurate diagnosis of your machine. You need the horsepower of the motor and the correct rotating speed. This information will usually be stamped on the motor data plate. But…
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It’s no joke that many machines operate with high levels of vibration due to soft foot. These same machines often have a decreased life span due to this condition. Soft foot is a condition that should be eliminated during the precision shaft alignment process, if you’re performing proper alignments at all. This condition can manifest…
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One of the hallmarks of a good maintenance technician is the ability to troubleshoot – not just using vibration tools, or volt meters, or laptops with Ethernet plug-ins, but the ability to troubleshoot machinery in their minds. In other words, the ability to visualize what the problem might be. “Fix the easy things first” is…
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A hype man in rap and hip hop supports the primary rappers with exclamations and interjections, and attempts to increase the audience’s excitement. Emmanuel C. M. says, “the hype man is essential to a live performance. He is an integral piece to the whole show. It’s his job to be the support for the performer, give the performer energy…
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Bearing defect factor is a culmination of two technologies used for shock detection. DEF is designed as an indicator for bearing defect detection, but can also be valuable in the detection of gear defects. Why is DEF significant? In the following data set are displayed Overall Vibration Velocity, Overall Acceleration, and Defect Factor. The Overall…
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A vibration sensor (or accelerometer) measures vibration-simple, right? But how and where you mount the sensor is CRITICAL to getting good information. Here are some good tips to keep in mind. 1. Mount the sensor as close to the bearing location as you can safely do it. These sensors can measure vibration anywhere on the…
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Fire Pumps are a critical safety item in facilities across the world. Their purpose is to make sure a building has enough water pressure in case of a fire emergency. Of course, the hope is that they are never needed but if they are they need to perform reliably. Fire Pumps are typically tested on…
Read MoreOne of the most enjoyable parts of precision shaft alignment training for me as a trainer, is the field portion. This provides the opportunity to build confidence that what the students learn in the classroom, really works in the field! In a recent Fixturlaser GO Basic class, the decision was made to align two recently…
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Most people who work on, or around pumps are familiar with the term “cavitation”. It is often used as a catch all phrase for any flow-related vibration on pumps, and is often reported by vibration analysts when: Pump noise level is high, Pump vibration is erratic, with lots of “noise” in the spectrum. But there…
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Electric motors are almost always well-balanced when they leave the motor manufacturer. But occasionally, motor unbalance problems are picked up with vibration monitoring tools, such as the OneProd Hawk. Here are some easy troubleshooting methods to determine the cause of unbalance in the motor. An electric motor’s rotor, like any rotating mass, cannot become out…
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Gearboxes are common in industry. They are used to increase or decrease speed from the driver, provide increased torque, and change direction of power transmission. There are two main types of commonly-used gearboxes: GEARBOX TYPE Parallel or Standard Gearbox-one where the input and output shafts are parallel. Bevel or Right Angle Gearbox-one where…
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Knowing the correct shaft speed of both shafts on a belt-driven machine is important when performing machinery diagnostics. Ideally you would do this by first identifying the input and output speeds using a strobe light, photo tach or laser tach. Once you know the accurate speed of both components, use this formula to determine the…
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