Bits of Information Task-Specific (BITS) micro-learning videos are designed for operators, maintenance personnel, and all who perform reliability tasks. Each BIT provides performance support for specific tasks. This focus on specific skills ensures that jobs get done right the first time. Every BIT is just one-to-two minutes long but provides the needed instruction, on-demand. These may be viewed right on the job site, on any connected smartphone, tablet, or mobile device, no classroom time required.Continue reading “B.I.T.S”
When Precision Maintenance® is a difficult option you need a reliable SideKickTM. You already know the value of Precision Maintenance® – the power savings, the equipment longevity, the increased productivity – but without informed maintenance technicians, this essential activity may remain just out of reach. Now, Reliability Solutions puts Precision Maintenance® literally at the fingertips of every maintenance technician with its new app, SideKickTM.Continue reading “Precision Maintenance® Sidekick”
A common cause of failure on centrifugal pumps is operating too far away from best efficiency point (BEP) during normal operation. This can lead shortened life caused by cavitation or recirculation. These problems can cause erosion and damage to impeller and casing, premature failure of the bearings (especially the thrust bearings), seal or packing failures, damage to auxiliary equipment such as instrumentation and valves, and in extreme cases shaft deflection and breakage. Here is a demonstration of BEP. https://kvgo.com/Example/Find-BEP
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Bits of Information Task-Specific (BITS) micro-learning videos are designed for operators, maintenance personnel, and all who perform reliability tasks. Each BIT provides performance support for specific tasks. This focus on specific skills ensures that jobs get done right the first time. Every BIT is just one-to-two minutes long but provides the needed instruction, on-demand. These may be viewed right on the job site, on any connected smartphone, tablet, or mobile device, no classroom time required. Reliability Solutions is committed to building a comprehensive library of BITS that will enhance productivity, provide immediate assistance, and help ensure effective and efficient operations.
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When performing a precision alignment, one step that is often overlooked is setting the coupling gap. If the coupling gap is set incorrectly it can put thrust into bearings that are not designed to take it, thereby reducing their lives. On larger sleeve bearing motors, incorrect coupling gap will cause the motor to run off magnetic center which reduces motor life. Take a look at one of our B.I.T.S that illustrates the process. https://kvgo.com/Example/coupling-gap
Implementing Reliability Initiatives is a lot about momentum. Momentum is hard gained and easily lost. What happens when carefully scheduled training, and the implementation plans that it was supporting get disrupted as in the current global pandemic? Digital training is a useful tool to keep the momentum rolling until the live training schedule can resume. Try using it to set up short, specific subject, knowledge-share sessions, using those who have already completed the live training acting as the mentors. Alternatively let us supply the mentoring remotely. www.reliabilitysolutions.online
Did you know that the key in your equipment should be sized properly to replace the mass that was removed from the shaft? Also, don’t forget to make sure the keys are rotated 180 degrees from each other. Check out this weeks video for the key length formula. https://kvgo.com/Example/key-length
This week we are going to take a dive into alignment. Precision alignment is nothing more than eliminating slope which can be expressed as rise over run. When you do an alignment there are triangles both vertically and horizontally. The goal is to take the triangle out of the alignment and turn them into straight lines. Alignment is that simple…you look at the machine with the aid of tools that allow you to measure the size of the triangles, and make a straight line. Look at the video below for a more detailed explanation of this simple technique. Also, don’t forget to include your thermal growth calculations we discussed last week. You may have to misalign the machine in order to achieve alignment in the running state. https://kvgo.com/Example/Rise_Run
How hot is hot enough to consider how thermal growth may affect machine alignment? That is a trick question, because there is more to consider than just delta t. What is the casing material and what is that coefficient of expansion? Also what is the height of the shaft? When you consider these three questions then you are able to account for thermal expansion differences that may occur between the machines and maybe “precisely misalign” the two machines so that they grow into alignment under normal operating conditions! https://kvgo.com/Example/Thermal-Growth
Since we consolidated shims on last week’s blog post, this week we will be focusing on how to check for Short Leg a.k.a Soft Foot. Some of the effects of soft foot could include: bearing failure due to loss of clearance, gear mesh alignment in a gearbox due to loss of clearance, premature motor failure due to air gaps in an electric motor being changed, pump clearances and many other problems. Also, keep in mind it is important to check not only the drive end, but also the driven equipment. Watch this quick video for a recap on checking soft foot.