The two main types of compressors are dynamic and positive displacement. The positive displacement compressor is probably the one you’re most familiar with. It traps gas in a volume and then decreases that volume. The decrease in volume causes a rise in pressure. A dynamic compressor uses a rotating element (usually called an impeller) which…
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The Fixturlaser NXA Runout Probe was introduced last year as an accessory to the Fixturlaser NXA Pro and Ultimate alignment tools. As originally envisioned, the runout probe was designed with shaft and coupling runout measurements, and direct soft foot measurements in mind. The Runout Probe provides a digital linear displacement measurement, much like a dial…
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We all have run into situations where things just aren’t working out the way we think they should. Kind of like not seeing the forest for the tree’s. Part of our profession as trainers at VibrAlign is fielding support calls when a client has questions or has reached the point of frustration where they just…
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One of the great things about being out and about with other shaft alignment professionals is seeing how they get work done. Two recent shaft alignment training classes had some great examples of how to stay organized. During an alignment on a gas compressor a few weeks ago, these guys had to manage shims at…
Read MoreWe’re going to try something different this week. We see some interesting stuff out there. We want you folks to troubleshoot this one. The OJT portion of a recent alignment training class involved checking the shaft alignment on an engine-driven reciprocating gas compressor. One of the great things about this part of the class is…
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