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What Causes Calibration Drift in Torque Tools?

A Cleco electric torque wrench is being tested on a specialty Cleco test stand

Calibration can change gradually over an extended period. It can also jump suddenly, often as a result of the tool being dropped. This change is called “calibration drift,” and it can quickly become a very serious problem. Calibration prevents both overtightening, which could lead to deformation and fastener failure, and under-tightening, which might cause an […]

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Product Highlight: Atlas Copco’s STB Series

Atlas Copco ETD S9 270 20 CTADS Inline Nutrunner3

When you’re searching for an electric nutrunner, you’ll find there are a lot to choose from, but at Encore Systems, we particularly like Atlas Copco’s STB series. STB nutrunners are battery-powered, provide precise and repeatable control over rundown, and are designed with extensive Industry 4.0-level data collection capabilities. What’s more, their excellent ergonomics reduce fatigue and mistakes, making […]

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Atlas Copco PF 4000 Model Comparison

Atlas Copco PF 4000

If you already use Atlas Copco’s Tensor S, ST, DX, and/or ETX nutrunners in your plant, integrating a PF 4000 controller can help you prevent under- or over-torquing. Although the 4000 series is not the newest iteration of the Power Focus controllers, they’re still an incredibly reliable, powerful, and cost-effective option, especially if you already […]

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